KN Cassette R410A Series Indoor Units Outdoor Units Indoor Units Outdoor Units KN 24 ST OU7-24 ST KN 30 RC 3PH OU8-30T RC KN 24 ST 3PH OU7-24T ST KN 36 ST OU10-36 ST KN 24 RC OU7-24 RC KN 36 ST 3PH OU10-36T ST KN 24 RC 3PH OU7-24T RC KN 36 RC OU10-36 RC KN 30 ST OU8-30 ST KN 36 RC 3PH OU10-36T RC KN 30 ST 3PH OU8-30T ST KN 45 ST 3PH OU10-47T ST KN 30 RC OU8-30 RC KN 45 RC 3PH OU10-47T RC REFRIGERANT R410A COOLING ONLY HEAT PUMP MAY - 2006 CONTENT
LIST OF EFFECTIVE PAGES LIST OF EFFECTIVE PAGES Note: Changes in the pages are indicated by a “Revision#” in the footer of each effected page (when none indicates no changes in the relevant page). All pages in the following list represent effected/ non effected pages divided by chapters. Dates of issue for original and changed pages are: Original ....... 0 ........ September 2005 Total number of pages in this publication is 136 consisting of the following: Page No. Revision No. # Page No. Revision No.
TABLE OF CONTENTS Table of Contents 1. INTRODUCTION ...................................................................................................1-1 2. PRODUCT DATA SHEET ......................................................................................2-1 3. RATING CONDITIONS ..........................................................................................3-1 4. OUTLINE DIMENSIONS .......................................................................................4-1 5.
INTRODUCTION 1. INTRODUCTION 1.1 General The cassette (900X900) split ceiling mounted range comprise the ST (cooling only) and RC (heat pump) models, as follows: 1.2 • Cooling Only KN24ST, KN30ST, KN36ST 1PH & 3PH; KN45ST 3PH units • Heat Pump KN24RC, KN30RC, KN36RC 1PH & 3PH; KN45RC 3PH units Main Features The (900X900) Cassette series benefits from the most advanced technological innovations, namely: 1.3 • R410A units • Microprocessor control.
INTRODUCTION 1.6 Outdoor Unit The Cassette outdoor units can be installed as floor or wall mounted units by using a wall supporting bracket. The metal sheets are protected by anti- corrosion paint work allowing long life resistance. All outdoor units are pre-charged. For further information please refer to the Product Data Sheet, Chapter 2. It includes : 1.7 • A Rotary Compressor mounted in a soundproofed compartment • Axial fan. • Outdoor coil with hydrophilic louver fins for RC units.
INTRODUCTION 1.10 Matching Table 1.10.
PRODUCT DATA SHEET 2. PRODUCT DATA SHEET 2.1 KN 24 / OU7-24 R410A Model Indoor Unit Model Outdoor Unit Installation Method of Pipe Characteristics Capacity (1) INDOOR OUTDOOR Operation control type Heating elements Others (1) (2) (3) (4) g/m 25 In.(mm) In.(mm) m. 3/8"(9.53) 5/8"(15.88) Max.30 m. Max.
PRODUCT DATA SHEET 2.2 KN 24 / OU7-24T R410A Model Indoor Unit Model Outdoor Unit Installation Method of Pipe Characteristics Capacity (1) INDOOR OUTDOOR Operation control type Heating elements Others (1) (2) (3) (4) g/m 25 In.(mm) In.(mm) m. 3/8"(9.53) 5/8"(15.88) Max.30 m. Max.
PRODUCT DATA SHEET 2.3 KN 30 / OU8-30 R410A Model Indoor Unit Model Outdoor Unit Installation Method of Pipe Characteristics Capacity Units Btu/hr kW kW W/W (1) (1) OUTDOOR INDOOR Power input (1) EER (Cooling) or COP(Heating) Energy efficiency class Power supply Rated current Starting current Circuit breaker rating Fan type & quantity Fan speeds (2) Air flow External static pressure (3) Sound power level (4) Sound pressure level Moisture removal Condensate drain tube I.
PRODUCT DATA SHEET 2.4 KN 30 / OU8-30T R410A Model Indoor Unit Model Outdoor Unit Installation Method of Pipe Characteristics Capacity Units Btu/hr kW kW W/W (1) (1) OUTDOOR INDOOR Power input (1) EER (Cooling) or COP(Heating) Energy efficiency class Power supply Rated current Starting current Circuit breaker rating Fan type & quantity Fan speeds (2) Air flow External static pressure (3) Sound power level (4) Sound pressure level Moisture removal Condensate drain tube I.
PRODUCT DATA SHEET 2.5 KN 36 / OU10-36 R410A Model Indoor Unit Model Outdoor Unit Installation method Characteristics Capacity (1) OUTDOOR INDOOR Power input (1) COP (1) Energy efficiency class Power supply Rated current Starting current Circuit breaker rating Fan type & quantity Fan speeds H/ M/ L Air flow (2) H/ M/ L External static pressure Min-Max Sound power level (3) H/ M/ L Sound pressure level (4) H/ M/ L Moisture removal Condensate drain tube I.
PRODUCT DATA SHEET 2.6 KN 36 / OU10-36T R410A Model Indoor Unit Model Outdoor Unit Installation method Characteristics Capacity (1) OUTDOOR INDOOR Power input (1) COP (1) Energy efficiency class Power supply Rated current Starting current Circuit breaker rating Fan type & quantity Fan speeds H/ M/ L Air flow (2) H/ M/ L External static pressure Min-Max Sound power level (3) H/ M/ L Sound pressure level (4) H/ M/ L Moisture removal Condensate drain tube I.
PRODUCT DATA SHEET 2.7 KN 45 / OU10-47 R410A Model Indoor Unit Model Outdoor Unit Installation method Characteristics Capacity (1) OUTDOOR INDOOR Power input (1) COP (1) Energy efficiency class Power supply Rated current Starting current Circuit breaker rating Fan type & quantity Fan speeds H/ M/ L Air flow (2) H/ M/ L External static pressure Min-Max Sound power level (3) H/ M/ L Sound pressure level (4) H/ M/ L Moisture removal Condensate drain tube I.
RATING CONDITIONS 3. RATING CONDITIONS Standard conditions in accordance with ISO 5151, ISO 13253 (for ducted units) and EN 14511. Cooling: Indoor: 27oC DB 19oC WB Outdoor: 35 oC DB Heating: Indoor: 20oC DB Outdoor: 7oC DB 6oC WB 3.
OUTLINE DIMENSIONS 4. OUTLINE DIMENSIONS 4.
OUTLINE DIMENSIONS 4.2 Outdoor Unit: OU7-24 4.
OUTLINE DIMENSIONS 4.
PERFORMANCE DATA & PRESSURE CURVES 5. PERFORMANCE DATA 5.1 KN24 / OU7-24 R410A 1PH/3PH 5.1.1 Cooling Mode at 7.5m Tubing Connection. 230V : Indoor Fan at High Speed. ENTERING AIR DB OD COIL (°C) 15(1) 20(1) 25 30 35 40 46 ENTERING AIR WB/DB ID COIL ( °C) DATA TC SC PI TC SC PI TC SC PI TC SC PI TC SC PI TC SC PI TC SC PI 15/21 17/24 19/27 21/29 23/32 7.14 4.80 1.60 6.90 4.70 1.73 6.53 4.58 1.87 6.11 4.44 2.02 5.66 4.22 2.18 5.14 3.98 2.35 4.46 3.66 2.57 7.39 5.00 1.60 7.28 4.96 1.74 7.05 4.
PERFORMANCE DATA & PRESSURE CURVES 5.1.2 Heating Mode at 7.5m Tubing Connection. 230V : Indoor Fan at High Speed. 15 ENTERING AIR WB OU COIL ( °C) -10 -7 -2 2 6 10 15 20 ENTERING AIR DB ID COIL ( °C) 20 25 TH PI TH PI TH PI 4.09 4.40 4.67 5.69 7.29 7.93 8.57 9.03 1.86 1.91 1.93 2.03 2.18 2.30 2.40 2.47 3.93 4.24 4.52 5.45 7.08 7.72 8.35 8.81 1.99 2.02 2.05 2.16 2.33 2.46 2.59 2.68 3.78 4.09 4.36 5.22 6.83 7.50 8.14 8.57 6.34 6.46 6.58 6.94 7.52 7.99 8.35 8.
PERFORMANCE DATA & PRESSURE CURVES 5.3 Pressure Curves. 5.3.1 Cooling. Suction Pressure VS.Outdoor Temp Suction Pressure (Bar[g]) 11 21/15(DB/WB 24/17(DB/WB 27/19(DB/WB 29/21(DB/WB 32/23(DB/WB 10 ºC) ºC) ºC) ºC) ºC) 9 8 7 6 15 20 25 30 35 40 46 40 46 o Outdoor Temp.(DB C ) Discharge Pressure (Bar[g]) Discharge Pressure VS.
PERFORMANCE DATA & PRESSURE CURVES 5.3.2 Heating. Suction Pressure VS.Outdoor Temp 11 Suction Pressure(Bar[g]) 10 9 8 7 6 15 DB (ºC) 5 20 DB (ºC) 4 25 DB (ºC) 3 -10 -5 0 5 10 15 20 Outdoor Temp.( WB o C ) Discharge Pressure VS.Outdoor Temp Discharge Pressure(Bar[g]) 43 38 33 28 25 DB (ºC) 23 20 DB (ºC) 15 DB (ºC) 18 -10 -5 0 5 10 15 20 Outdoor Temp.
PERFORMANCE DATA & PRESSURE CURVES 5.4 KN30 / OU8-30 R410A 5.4.1 Cooling Mode at 7.5m Tubing Connection. 230V : Indoor Fan at High Speed. ENTERING AIR DB OD COIL (°C) (1) 15 20(1) 25 30 35 40 46 ENTERING AIR WB/DB ID COIL ( °C) DATA TC SC PI TC SC PI TC SC PI TC SC PI TC SC PI TC SC PI TC SC PI 15/21 17/24 19/27 21/29 23/32 8.75 5.88 2.08 8.46 5.76 2.26 8.01 5.61 2.45 7.49 5.43 2.64 6.93 5.17 2.85 6.31 4.87 3.07 5.47 4.49 3.35 9.06 6.13 2.09 8.92 6.07 2.27 8.65 5.95 2.46 8.15 5.78 2.
PERFORMANCE DATA & PRESSURE CURVES 5.4.2 Heating Mode at 7.5m Tubing Connection. 230V : Indoor Fan at High Speed. ENTERING AIR DB ID COIL ( °C) 15 20 25 ENTERING AIR WB OU COIL ( °C) TH PI TH PI TH PI -10 -7 -2 2 6 10 15 20 5.16 5.56 5.90 7.18 9.21 10.01 10.82 11.40 2.30 2.36 2.39 2.51 2.69 2.84 2.97 3.05 4.97 5.36 5.70 6.88 2.45 2.49 2.53 2.66 8.94 2.88 9.74 10.55 11.13 3.04 3.20 3.31 4.77 5.16 5.51 6.59 8.63 9.48 10.28 10.82 2.58 2.63 2.68 2.82 3.06 3.25 3.40 3.
PERFORMANCE DATA & PRESSURE CURVES 5.6 KN30 / OU8-30T R410A 5.6.1 Cooling Mode at 7.5m Tubing Connection. 230V : Indoor Fan at High Speed. ENTERING AIR DB OD COIL (°C) (1) 15 20(1) 25 30 35 40 46 ENTERING AIR WB/DB ID COIL ( °C) DATA TC SC PI TC SC PI TC SC PI TC SC PI TC SC PI TC SC PI TC SC PI 15/21 17/24 19/27 21/29 23/32 8.75 5.88 2.03 8.46 5.76 2.20 8.01 5.61 2.38 7.49 5.43 2.57 6.93 5.17 2.77 6.31 4.87 2.99 5.47 4.49 3.26 9.06 6.13 2.03 8.92 6.07 2.21 8.65 5.95 2.40 8.15 5.78 2.
PERFORMANCE DATA & PRESSURE CURVES 5.6.2 Heating Mode at 7.5m Tubing Connection. 230V : Indoor Fan at High Speed. ENTERING AIR DB ID COIL ( °C) 20 15 ENTERING AIR WB OU COIL ( °C) -10 -7 -2 2 6 10 15 20 25 TH PI TH PI TH PI 5.16 5.56 5.90 7.18 9.21 10.01 10.82 11.40 2.23 2.29 2.32 2.43 2.61 2.75 2.87 2.96 4.97 5.36 5.70 6.88 8.94 9.74 10.55 11.13 2.38 2.41 2.46 2.58 2.79 2.94 3.10 3.21 4.77 5.16 5.51 6.59 8.63 9.48 10.28 10.82 2.50 2.54 2.59 2.73 2.96 3.15 3.29 3.
PERFORMANCE DATA & PRESSURE CURVES 5.8 Pressure Curves. 5.8.1 KN30 / OU8-30 R410A - Cooling: Suction Pressure VS.Outdoor Temp 10.0 21/15(DB/WB 24/17(DB/WB 27/19(DB/WB 29/21(DB/WB 32/23(DB/WB Suction Pressure (Bar[g]) 9.5 9.0 8.5 ºC) ºC) ºC) ºC) ºC) 8.0 7.5 7.0 6.5 6.0 5.5 5.0 15 20 25 30 35 40 46 40 46 Outdoor Temp.(DB o C ) Discharge Pressure VS.
PERFORMANCE DATA & PRESSURE CURVES 5.8.2 Heating. Suction Pressure VS.Outdoor Temp 11.0 Suction Pressure(Bar[g]) 10.0 9.0 8.0 7.0 6.0 15 DB (ºC) 5.0 20 DB (ºC) 4.0 25 DB (ºC) 3.0 -10 -5 0 5 10 15 20 Outdoor Temp.( WB o C ) Discharge Pressure VS.Outdoor Temp 40 Discharge Pressure(Bar[g]) 38 36 34 32 30 28 26 24 25 DB (ºC) 22 20 DB (ºC) 20 15 DB (ºC) 18 -10 -5 0 5 10 15 20 o Outdoor Temp.
PERFORMANCE DATA & PRESSURE CURVES 5.9 Pressure Curves. 5.9.1 KN30 / OU8-30T R410A - Cooling: Suction Pressure VS.Outdoor Temp 11.0 21/15(DB/WB 24/17(DB/WB 27/19(DB/WB 29/21(DB/WB 32/23(DB/WB Suction Pressure (Bar[g]) 10.5 10.0 9.5 9.0 ºC) ºC) ºC) ºC) ºC) 8.5 8.0 7.5 7.0 6.5 6.0 5.5 5.0 15 20 25 30 35 40 46 o Outdoor Temp.(DB C ) Discharge Pressure VS.
PERFORMANCE DATA & PRESSURE CURVES 5.8.2 Heating. Suction Pressure VS.Outdoor Temp 11.0 Suction Pressure(Bar[g]) 10.0 9.0 8.0 7.0 6.0 15 DB (ºC) 20 DB (ºC) 25 DB (ºC) 5.0 4.0 3.0 -10 -5 0 5 10 15 20 Outdoor Temp.( WB o C ) Discharge Pressure VS.Outdoor Temp 40 Discharge Pressure(Bar[g]) 38 36 34 32 30 28 26 25 DB (ºC) 24 20 DB (ºC) 22 15 DB (ºC) 20 18 -10 -5 0 5 10 15 20 o Outdoor Temp.
PERFORMANCE DATA & PRESSURE CURVES 5.9 KN36 / OU10-36 R410A 5.9.1 Cooling Mode at 7.5m Tubing Connection. 230V : Indoor Fan at High Speed. ENTERING AIR DB OD COIL (°C) (1) 15 20(1) 25 30 35 40 46 ENTERING AIR WB/DB ID COIL ( °C) DATA TC SC PI TC SC PI TC SC PI TC SC PI TC SC PI TC SC PI TC SC PI 15/21 17/24 19/27 21/29 23/32 10.65 6.74 2.47 10.30 6.60 2.68 9.74 6.43 2.89 9.11 6.23 3.12 8.44 5.93 3.37 7.67 5.59 3.63 6.66 5.14 3.97 11.03 7.03 2.47 10.86 6.96 2.69 10.52 6.83 2.91 9.92 6.
PERFORMANCE DATA & PRESSURE CURVES 5.9.2 Heating Mode at 7.5m Tubing Connection. 230V : Indoor Fan at High Speed. 15 ENTERING AIR WB OU COIL ( °C) -10 -7 -2 2 6 10 15 20 ENTERING AIR DB ID COIL ( °C) 20 25 TH PI TH PI TH PI 5.30 5.71 6.06 7.37 10.40 11.31 12.22 12.88 2.88 2.95 2.99 3.13 3.37 3.55 3.71 3.82 5.10 5.50 5.86 7.07 10.10 11.01 11.92 12.57 3.07 3.11 3.17 3.33 3.60 3.80 4.00 4.14 4.90 5.30 5.66 6.77 9.75 10.71 11.62 12.22 3.22 3.28 3.35 3.53 3.82 4.06 4.25 4.
PERFORMANCE DATA & PRESSURE CURVES 5.11 Pressure Curves. 5.11.1 Cooling: Discharge Pressure (Bar[g]) Discharge Pressure VS.Outdoor Temp 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 15/21(WB/DB ºC) 17/24(WB/DB ºC) 19/27(WB/DB ºC) 21/29(WB/DB ºC) 23/32(WB/DB ºC) 15 20 25 30 35 Outdoor Temp.(DB oC ) 40 46 40 46 Suction Pressure VS.Outdoor Temp Suction Pressure (Bar[g]) 11.0 15/21(WB/DB ºC) 17/24(WB/DB ºC) 19/27(WB/DB ºC) 21/29(WB/DB ºC) 23/32(WB/DB ºC) 10.0 9.0 8.0 7.0 6.0 5.0 4.
PERFORMANCE DATA & PRESSURE CURVES 5.11.2 Heating Discharge Pressure(Bar[g]) Discharge Pressure VS.Outdoor Temp 38 36 34 32 30 28 26 24 22 20 18 16 25 DB (ºC) 20 DB (ºC) 15 DB (ºC) -10 -5 0 5 10 15 Outdoor Temp.( WB oC ) 20 Suction Pressure VS.Outdoor Temp Suction Pressure(Bar[g]) 10.0 9.0 8.0 7.0 6.0 15 DB (ºC) 20 DB (ºC) 25 DB (ºC) 5.0 4.0 3.0 -10 -5 0 5 o 10 15 20 Outdoor Temp.
PERFORMANCE DATA & PRESSURE CURVES 5.12 KN36 / OU10-36T R410A 5.12.1 Cooling Mode at 7.5m Tubing Connection. 230V : Indoor Fan at High Speed. ENTERING AIR DB OD COIL (°C) (1) 15 20(1) 25 30 35 40 46 ENTERING AIR WB/DB ID COIL ( °C) DATA TC SC PI TC SC PI TC SC PI TC SC PI TC SC PI TC SC PI TC SC PI 15/21 17/24 19/27 21/29 23/32 10.22 6.35 2.37 9.89 6.22 2.57 9.36 6.06 2.78 8.75 5.87 3.00 8.10 5.58 3.23 7.37 5.26 3.49 6.39 4.85 3.81 10.59 6.62 2.37 10.43 6.56 2.58 10.10 6.43 2.80 9.53 6.
PERFORMANCE DATA & PRESSURE CURVES 5.12.2 Heating Mode at 7.5m Tubing Connection. 230V : Indoor Fan at High Speed. 15 ENTERING AIR WB OU COIL ( °C) -10 -7 -2 2 6 10 15 20 ENTERING AIR DB ID COIL ( °C) 20 25 TH PI TH PI TH PI 5.41 5.82 6.18 7.52 10.61 11.54 12.46 13.13 2.94 3.02 3.05 3.20 3.44 3.63 3.79 3.90 5.20 5.61 5.97 7.21 10.30 11.23 12.15 12.82 3.14 3.18 3.24 3.40 3.68 3.88 4.08 4.23 5.00 5.41 5.77 6.90 9.94 10.92 11.85 12.46 3.29 3.36 3.42 3.61 3.91 4.15 4.34 4.
PERFORMANCE DATA & PRESSURE CURVES 5.14 Pressure Curves. 5.14.1 Cooling: Discharge Pressure (Bar[g]) Discharge Pressure VS.Outdoor Temp 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 15/21(WB/DB ºC) 17/24(WB/DB ºC) 19/27(WB/DB ºC) 21/29(WB/DB ºC) 23/32(WB/DB ºC) 15 20 25 30 35 Outdoor Temp.(DB oC ) 40 46 40 46 Suction Pressure VS.Outdoor Temp Suction Pressure (Bar[g]) 11.0 15/21(WB/DB ºC) 17/24(WB/DB ºC) 19/27(WB/DB ºC) 21/29(WB/DB ºC) 23/32(WB/DB ºC) 10.0 9.0 8.0 7.0 6.0 5.0 4.
PERFORMANCE DATA & PRESSURE CURVES 5.14.2 Heating: Discharge Pressure(Bar[g]) Discharge Pressure VS.Outdoor Temp 42 40 38 36 34 32 30 28 26 24 22 20 18 16 25 DB (ºC) 20 DB (ºC) 15 DB (ºC) -10 -5 0 5 10 15 Outdoor Temp.( WB oC ) 20 Suction Pressure VS.Outdoor Temp Suction Pressure(Bar[g]) 10.0 9.0 8.0 7.0 6.0 15 DB (ºC) 20 DB (ºC) 25 DB (ºC) 5.0 4.0 3.0 -10 5-20 -5 0 5 10 Outdoor Temp.
PERFORMANCE DATA & PRESSURE CURVES 5.15 KN45 / OU10-47T R410A 5.15.1 Cooling Mode at 7.5m Tubing Connection. 230V : Indoor Fan at High Speed. ENTERING AIR DB OD COIL (°C) (1) 15 20(1) 25 30 35 40 46 ENTERING AIR WB/DB ID COIL ( °C) DATA TC SC PI TC SC PI TC SC PI TC SC PI TC SC PI TC SC PI TC SC PI 15/21 17/24 19/27 21/29 23/32 13.02 8.17 3.12 12.59 8.00 3.39 11.92 7.80 3.66 11.14 7.55 3.95 10.32 7.18 4.26 9.38 6.77 4.59 8.14 6.24 5.02 13.48 8.52 3.13 13.27 8.44 3.40 12.87 8.28 3.69 12.
PERFORMANCE DATA & PRESSURE CURVES 5.15.2 Heating Mode at 7.5m Tubing Connection. 230V : Indoor Fan at High Speed. 15 ENTERING AIR WB OU COIL ( °C) -10 -7 -2 2 6 10 15 20 ENTERING AIR DB ID COIL ( °C) 20 25 TH PI TH PI TH PI 6.93 7.46 7.92 9.64 13.60 14.78 15.97 16.83 3.70 3.80 3.84 4.03 4.33 4.57 4.77 4.91 6.67 7.19 7.66 9.24 13.20 14.39 15.58 16.43 3.94 4.00 4.07 4.28 4.63 4.88 5.14 5.32 6.40 6.93 7.39 8.84 12.74 13.99 15.18 15.97 4.14 4.22 4.31 4.54 4.92 5.22 5.46 5.
PERFORMANCE DATA & PRESSURE CURVES 5.17 Pressure Curves. Cooling: Discharge Pressure (Bar[g]) Discharge Pressure VS.Outdoor Temp 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 15/21(WB/DB ºC) 17/24(WB/DB ºC) 19/27(WB/DB ºC) 21/29(WB/DB ºC) 23/32(WB/DB ºC) 15 20 25 30 35 Outdoor Temp.(DB oC ) 40 46 40 46 Suction Pressure VS.Outdoor Temp Suction Pressure (Bar[g]) 11.0 15/21(WB/DB ºC) 17/24(WB/DB ºC) 19/27(WB/DB ºC) 21/29(WB/DB ºC) 23/32(WB/DB ºC) 10.0 9.0 8.0 7.0 6.0 5.0 4.
PERFORMANCE DATA & PRESSURE CURVES 5.17.2 Heating Discharge Pressure(Bar[g]) Discharge Pressure VS.Outdoor Temp 40 38 36 34 32 30 28 26 24 22 20 18 16 25 DB (ºC) 20 DB (ºC) 15 DB (ºC) -10 -5 0 5 10 15 Outdoor Temp.( WB oC ) 20 Suction Pressure VS.Outdoor Temp Suction Pressure(Bar[g]) 11.0 10.0 9.0 8.0 7.0 6.0 15 DB (ºC) 20 DB (ºC) 25 DB (ºC) 5.0 4.0 3.0 -10 5-24 -5 0 5 10 Outdoor Temp.
ELECTRICAL DATA 6. ELECTRICAL DATA 6.1 Single Phase Units MODEL KN 24 KN 30 To Outdoor 1PH – 230V – 50 Hz 15 20 To Outdoor 1PH – 230V – 50 Hz 17 25 3 X 2.5 mm2 3 X 4 mm2 6X1.5 mm2 + 2 X 0.5 mm2 (OCT Sensor) 6 X 1.5 mm2 + 2 X 0.5 mm2 (OCT Sensor) 5X1.5 mm2 + 2 X 0.5 mm2 (OCT Sensor) 5 X 1.5 mm2 + 2 X 0.5 mm2 (OCT Sensor) Power Supply Max Current, A Circuit Breaker Power Supply Wiring No. X Cross Section mm2 Interconnecting Cable RC Model No.
ELECTRICAL DATA MODEL Power Supply KN 36T KN 45T To Outdoor To Outdoor 3PH – 400V – 50 Hz 3PH – 400V – 50 Hz Max Current, A 3 x 11.9 3 x 17.5 Circuit Breaker 3 x 16 Power Supply Wiring No. X Cross Section mm2 Interconnecting Cable RC Model No. X Cross Section mm2 Interconnecting Cable ST Model No. X Cross Section mm2 6.4 3 x 20 2 5 X 2.5 mm 5 X 2.5 mm2 6 X 1.5 mm2 + 2 X 0.5 mm2 (OCT Sensor) 6 X 1.5 mm2 + 2 X 0.5 mm2 (OCT Sensor) 5 X 2.5 mm2 + 2 X 0.5 mm2 (OCT Sensor) 5 X 1.5 mm2 + 2 X 0.
WIRING DIAGRAMS WIRING DIAGRAMS 7.1 Indoor Unit: KN 24/30 (Power Supply to Outdoor) FUSE PTC PTC PTC 12PIN PTC SWITCH 7.
WIRING DIAGRAMS 7.3 Outdoor Unit: OU7-24 / 30 1PH 7.
WIRING DIAGRAMS 7.5 Indoor Unit: KN 36 / 36T / 45T 7.
WIRING DIAGRAMS 7.7 Outdoor Unit: OU10-36T 7.
ELECTRICAL CONNECTIONS 8. ELECTRICAL CONNECTIONS 8.1 KN 24/30/36/45 (Power Supply to Outdoor) 8.
REFRIGERATION DIAGRAMS 9. REFRIGERATION DIAGRAMS 9.1 Heat Pump Models 9.1.
REFRIGERATION DIAGRAMS 9.1.
REFRIGERATION DIAGRAMS 9.1.
REFRIGERATION DIAGRAMS 9.1.
REFRIGERATION DIAGRAMS 9.1.
REFRIGERATION DIAGRAMS 9.2 Cooling Only Models 9.2.
TUBING CONNECTIONS 10. TUBING CONNECTIONS TUBE (Inch) ¼” ⅜” ½” ⅝” ¾” 11-13 13-20 11-13 40-45 13-20 11-13 60-65 18-25 11-13 70-75 18-25 11-13 80-85 40-50 11-13 TORQUE (Nm) Flare Nuts Valve Cap Service Port Cap 1. 2. 3. 4. 5. 6. 7. 8.
CONTROL SYSTEM 11. CONTROL SYSTEM 11.1 Electronic Control 11.1.1 Introduction The electronic control information is designed for service applications, and is common to the following groups of air-conditioners: x ST/RC group x SH group x RH group 11.1.2 -Cooling only / cooling and heating by heat pump. -Cooling and heating by heat pump and supplementary heater. -Cooling, heating by heaters only. Remote Control DIP Switch Settings SETTING SWITCH STATUS DEFINITION SW. NO. 1 OFF ON OFF ON -- SW.
CONTROL SYSTEM 11.1.
CONTROL SYSTEM 11.1.4 Display Board PCB 2 8 1 3 4 5 6 7 Legend 1. IR Receiver 2. Buzzer 3. STBY LED 4. Operation LED 5. Timer LED 6. Heating LED 7. Display Port Connection 8.
CONTROL SYSTEM 11.2 Control Function 11.2.1 Abbreviations AC - Alternate Current A/C ANY CLOCK COMP CPU CTV HE HPC H/W ICP ICT IF, IFAN IR LEVEL1 LEVEL2/3 LEVEL4 Max Min min NA OCP OCT OF, OFAN OPER Para.
CONTROL SYSTEM 11.3 General Functions 11.3.1 COMP Operation a. For each Mode including POWER OFF & SB, a Min time delay of 3 min before COMP restarting, excluding DEICING Mode. b. The Min operation time of COMP under different operating conditions is: Operation Mode Heat, Cool, HP protection or Auto Modes Fan, Dry, Overflow, Protection Modes, or Mode Change 11.3.2 Min Operation Time of COMP 3 min. Ignored IFAN operation a. Min time interval between IFAN speed change in AUTOFAN Mode is 30 sec.
CONTROL SYSTEM 11.3.5 11.3.6 Protections a. High pressure protection is applicable to all operating modes. b. Deicing control is valid in Heat and Auto Heat Modes only. c. Defrosting control is valid in Dry, Cool, and Auto Cool Modes. Thermistors Operation a. Return air Temp. is detected by RAT in normal Mode, or by RCT (R/C sensor) in I-FEEL Mode. b. Indoor Coil Temp. is detected by ICT. c. Outdoor Coil Temp. is detected by OCT. d. Definition of thermistor faults: e.
CONTROL SYSTEM 11.3.7 RV Fault This test is applied only in compressor units where 4.7k: resistor is not connected to the OCT. The test is performed every time the unit is switched from OFF/STBY to OPER in Heat mode or changes operation mode from COOL/DRY to HEAT or (this applies also in AUTO COOL/HEAT mode).
CONTROL SYSTEM 11.4 Cooling Mode 11.4.1 Cooling Mode – General a. Mode Definition Mode: COOL, AUTO (at Cooling) Temp: Selected desired temperature. Fan: HIGH, MED, LOW, AUTO. Timer: Any I-FEEL: ON or OFF b. Room Temperature, RT, is detected by: x RAT in normal operation, or x RCT (R/C sensor) in I-FEEL mode. 11.4.2 c. Indoor Coil Temp is detected by ICT. d. Outdoor Coil Temp is detected by OCT. Control Functions a. COMP Operation COMP ON OFF 0 b.
CONTROL SYSTEM 11.4.3 Sequence Diagrams a. Maintaining room temp at desired level by comparing RT and SPT with user defined IFAN speed.
CONTROL SYSTEM b. Maintaining room temp at desired level by comparing RT and SPT with AUTO-IFAN.
CONTROL SYSTEM 11.5 Heating Mode 11.5.1 Heating Mode - General a. Compensation Procedure When I-FEEL is OFF during HEAT mode: RT= RAT – CTV. When I-FEEL is ON during HEAT mode: RT= RCT. Type of Indoor Wall Mounted Mobiles / Floor Ceiling Square /Window Ducted Cassettes CTV +3 oC +0 oC +2 oC +4 oC +4 oC No compensation will be activated in Forced operation modes b.
CONTROL SYSTEM c. IFAN operation rules for RH group 1) d. In RH group, IFAN starts when HE starts. When HE switches to OFF, IFAN switches to LOW for 30 sec and then stops. Heaters operation rules for RC and SH groups: 1) For both RC and SH groups, Heaters versus ǻT is as follows: ON HE1 OFF ON HE2 OFF 1 2) 2 3 4 T=SP-RT [oc] Operation rules for Heaters in RC group: a) Heaters can be enabled only if IFAN is ON.
CONTROL SYSTEM e. Heaters operation rules for RH groups: 1) In RH group, HE operation is according to the difference between RAT and SPT. ON H E2 O FF ON H E1 O FF -1 f. 0 2 T=SP-RT [ o c] OFAN Operation for RC and SH groups 1) As a general rule for RC and SH groups, excluding protection modes, OFAN starts with the compressor. 2) When OFAN is ON it will operate according to the following conditions: a) OFAN operates together with the compressor.
CONTROL SYSTEM 11.6 Heating, RC or SH Group Mode: HEAT, AUTO (at heating) Temp: Selected desired temperature Fan: HIGH, MED, LOW Timer: Any I-FEEL: ON or OFF 11.6.1 Sequence Diagram Maintains room temp. at desired level by comparing RAT or RCT to SPT.
CONTROL SYSTEM 11.7 Heating, RC or SH Group with Autofan Mode: HEAT, AUTO (at heating) Temp: Selected desired temperature Fan: AUTO Timer: Any I-FEEL: ON or OFF 11.7.1 Sequence Diagram Maintains room temp at desired level by controlling COMP, IFAN and OFAN.
CONTROL SYSTEM 11.8 Heating, RH Group Mode: HEAT, AUTO (at Heating) Temp: Selected desired temperature Fan: HIGH, MED, LOW Timer: Any I-FEEL: ON or OFF 11.8.1 Sequence Diagram Maintains room temp at desired level by controlling Heating Elements: HE1 or HE2.
CONTROL SYSTEM 11.9 Heating, RH Group, with AUTOFAN Mode: HEAT, AUTO (at Heating) Temp: Selected desired temperature Fan: AUTO Timer: Any I-FEEL: ON or OFF 11.9.1 Sequence Diagram Maintains room temp. at desired level by controlling the 2-Stage Electric Heaters.
CONTROL SYSTEM 11.10 Automatic Cooling or Heating 11.10.1 Automatic Cooling or Heating - General The AUTO Mode is for models with compressor and the WVL-RH only. The WVL-ST, RC and SH units do not work in AUTO Mode. a. Mode Definition Mode: AUTO Temp: Selected desired temperature Fan: Any Timer: Any I-FEEL: ON or OFF b. Switching-temperature between Cooling and Heating is SPT r 3OC. c.
CONTROL SYSTEM 11.10.2 Sequence Diagrams a. Auto Cooling or Heating, RC or SH Groups Maintains room temp. at desired level by selecting between cooling and heating modes.
CONTROL SYSTEM b. Auto Cooling or Heating RH Group Maintains room temp. at desired level by selecting between Cooling or Heating Modes. (RT - SPT) [oc] +3 +2 +1 0 -1 -2 -3 Auto Heat Mode Auto Cool Mode Auto Heat Mode ON COMP & OFAN OFF ON HE1 > 3 min > 3 min (2) (2) OFF ON HE2 OFF H/M/L IFAN L OFF 30 sec (1) RV OFF 11.11 Dry Mode 11.11.
CONTROL SYSTEM (RT - SPT) [ oc] +2 +1 0 10 20 40 30 50 Time [min] -1 -2 DRY-ON DRY DRY-OFF LOW IFAN OFF 5 minutes COMP ON time ON COMP & OFAN OFF Max 15 minutes ON HE1 & HE2 3.5 min Note1 Max 15 minutes 6 min Note 2 OFF ON RV OFF NOTES 1. When DRY is ON, the COMP is forced OFF for 3.5 min (longer than the 3 min Min COMP- OFF time) after every 15 min of continuous COMP operation. 2.
CONTROL SYSTEM 11.11.2 DRY, SH or RH group Mode: DRY Temp: Selected desired temperature Fan: LOW (automatically selected by software) Timer: Any I-FEEL: Any Control function Reduces room humidity with minimum temp. fluctuations by operating in Cool Mode with LOW speed IFAN and HE.
CONTROL SYSTEM 11.12 Protection 11.12.1 Cooling Mode Protections a. Indoor Coil Defrost Mode: COOLING, DRY, AUTO Temp: Selected desired temp. Fan: Any Timer: Any I-FEEL: ON or OFF Control Function Protects the indoor coil from ice formation at low ambient temperatures. ICT [oc] +14 +5 +2 +1 0 -1 t1 t2 t3 t1 ON OFAN OFF ON COMP OFF ON IFAN OFF t1 = 5 min minimum for each COMP starting. t2 = OFAN cycling (alternate between ON and OFF every 30 sec) for 20 min maximum.
CONTROL SYSTEM b. High Pressure Protection Mode: (AUTO) COOLING or DRY Temp: Selected desired temperature Fan: Any Timer: Any I-FEEL: ON or OFF Control Function To protect the COMP from the high pressure build-up in the outdoor coil during normal cooling operation, by switching OFF the IFAN and COMP.
CONTROL SYSTEM 11.12.2 Condensation Pump. Mode: Cool, Dry, Auto Temp: Selected desired temperature Fan: Any Timer: Any I FEEL: Any Control function: Prevent Condensed water from Overflowing. Overflow when unit is ON Overflow Water Level Overflow when unit is OFF Normal ON OPER LED OFF BLINK ON COMP (WVL) COMP/WVL is forced OFF OFF ON PUMP OFF 8 min 8 min 1 min Notes: 1. The switch used for water level detection is closed under normal condition, and is open when water overflow. 2.
CONTROL SYSTEM 11.12.3 Heating Mode Protections a. Outdoor Coil Deicing (excluding RH Group) Mode: HEATING, AUTO (at heating) Temp: Selected desired temperature Fan: Any Timer: Any I-FEEL: Any Control function To protect the outdoor coil from ice formation by controlling COMP & RV operation.
CONTROL SYSTEM 2) Deicing procedure OCT [oc] 12 DOC 0 DST (DDT) 3 min 3 min 36s max 12 min. 36s ON COMP OFF DI (note 1) DI (note 2) ON OFAN OFF 30s 30s ON RV OFF DT RC or WAX units all SH units except WAX ANY IFAN L IFAN is forced to Low Speed ON HE ANY HEs are forced ON ANY IFAN OFF Note 3 ANY HE OFF HEs are forced OFF ON OPER LED BLINK NOTES 1. In the following Deicing cycles, the time interval between two Deicing cycles activation is between 30 to 80 min. 2.
CONTROL SYSTEM b. High Pressure Protection (excluding RH Group) Mode: (AUTO) HEATING Fan: Any Timer: Any I-FEEL: ON or OFF Control Function Protects the compressor from high pressure by switching OFF the OFAN and COMP.
CONTROL SYSTEM 11.13 Forced Operation (Excluding PRX & PXD Models) a. Forced operation allows units to start, stop and operate in cooling or heating in preset temp. according to the following table: Forced Operation Mode Cooling Heating Pre-set Temp for : MBX, P2000, PX Models 20 ºC 25 ºC Pre-set Temp for : FCD, RWK ,ELD, ECC, WAX, WNX, WMN Models 22 ºC 28 ºC NOTES 1. While under the forced operation, the temperature compensation schedule is disabled. 2.
CONTROL SYSTEM 11.14 SPT Adjustment in Sleep Mode x In COOL, AUTO COOL or DRY modes, the SPT adjustment is positive (from 0 to +3oC). x In HEAT or AUTO HEAT modes, the SPT adjustment is negative (from 0 to -3oC). x In other modes, there is no SPT adjustment. x The SPT adjustment is cancelled when the Sleep mode is cancelled.
CONTROL SYSTEM 11.14.1 Time Adjustment in SLEEP Mode In 10V4, the user can make use of the Off-Timer to extend the Sleep Time from 7 hours to 12 hour (max). The operation of the new “Extended Sleep Mode” is illustrated by the graphs below. Case 1 is the Standard Sleep Mode, which is the only sleep mode in the previous version of MCU. The A/C unit simply works for 7 hours, then goes to SB. Case 2 is the new Extended Sleep Mode.
CONTROL SYSTEM 11.15 Controller Self-Test Procedure 11.15.
CONTROL SYSTEM 11.15.2 By Remote Control Settings: a. STEP 1: TURNING ON THE POWER. Turn ON the power, make sure that the unit is in operation. b. STEP 2 : ENABLE SELF-TEST MODE c. 1) Use the remote control to send the first settings to display / indoor unit HEAT mode, HIGH IFAN, set temperature to 16 ºC, no I-FEEL Sleep or any other timer settings are needed. 2) Cover the IR transmitter components in the remote control so that it will not transmit the signals to the indoor unit display.
CONTROL SYSTEM d. STEP 3: AUTO LED WALK TEST. 1) All the LEDS will turn OFF. 2) All the LEDS will turn ON for 1 second one by one in the following sequence: STAND-BY Ö OPERATE Ö TIMER Ö FILTER Ö COOL Ö HEAT. 3) e. In PRX all the LEDS will turn ON for 1 second one by one in the following sequence : 18 °c Ö 20 °c Ö 22 °c Ö 24 °c Ö 26 °c Ö 28 °c Ö 30 °c Ö High IFAN Ö Auto IFAN Ö Med IFAN Ö Low IFAN Ö STAND-BYÖ TIMER Ö FILTER ÖCOOLÖ HEAT.
CONTROL SYSTEM Fail condition: 0 sec - STAND-BY is turned ON 3 sec - STAND-BY, OPER, TIMER and FILTER are turned ON When the timing reset test is completed, the next test will start automatically. i. STEP 8: MEMORY TEST (EEPROM) The test purpose is to check if the memory is functioning correctly. The test result is reported by using the STAND-BY and FILTER LEDS: LED Indicator STAND-BY LED FILTER LED Condition for LED to be ON Test passed Test failed AT THIS POINT THE SELF-TEST IS COMPLETED.
CONTROL SYSTEM 11.16 System Diagnostics Pressing Mode button for 5-10 seconds in SB or any other operation mode will activate the DIAGNOSTICS mode, acknowledged by 3 short beeps and lighting of COOL and HEAT LEDs. In DIAGNOSTICS mode, system failures will be indicated by the blinking of HEAT & COOL LEDs. The coding method is as follows: x HEAT LED blinks 5 times in 5 seconds, and then turns off for the next 5 seconds. x COOL LED blinks during the same 5 seconds according to the following table: No.
TROUBLESHOOTING 12. TROUBLESHOOTING ELECTRICAL & CONTROL TROUBLESHOOTING ATTENTION : check for broken or loose cable lugs first. NO 1. SYMPTON PROBABLE CAUSE CORRECTIVE ACTION The power supply indicator (red led) doesn’t light up. There is no correct voltage between the line and neutral terminals on main P.C.B. -If the voltage is low repair power supply. -If there is no voltage repair general wiring. -If there is correct voltage replace main or display P.C.B’S 2. 3. 4. 5. 6.
TROUBLESHOOTING ATTENTION : check for broken or loose cable lugs first NO SYMPTON PROBABLE CAUSE CORRECTIVE ACTION 9. Only indoor fan and compressor working. Outdoor fan blocked. - Remove obstructions. 10. Only indoor fan working. -Run capacitor of outdoor fan motor faulty. - Replace capacitor. -Windings of outdoor fan are shorted. -Replace motor.
EXPLODED VIEWS AND SPARE PARTS LISTS 13. EXPLODED VIEWS AND SPARE PARTS LISTS 13.
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EXPLODED VIEWS AND SPARE PARTS LISTS 13.5 No.
EXPLODED VIEWS AND SPARE PARTS LISTS 13.6 No.
EXPLODED VIEWS AND SPARE PARTS LISTS 13.
EXPLODED VIEWS AND SPARE PARTS LISTS 13.8 Indoor Unit: OU7-24 RC 1PH No. SP No. Part No. 1 13 190443 2 22 402283 3 17 402495 4 7 433285 5 15 433288 6 16 433291 7 14 433293 8 6 433294 9 44 433816 10 9 434062 11 19 434716 12 3 436357 13 11 436358 14 1 437045 15 5 437091 16 24 437229 17 21 437274 18 4 439329 19 12 439342 20 18 442007 21 20 442016 22 33 442466 23 8 4529604 13-8 Description HEATER CRANKCASE MITSUBISHI CO SUCTION ACCUMULATOR 3"x5/8" 3.
EXPLODED VIEWS AND SPARE PARTS LISTS 13.
EXPLODED VIEWS AND SPARE PARTS LISTS 13.10 Outdoor Unit: OU7-24 ST 1PH No. SP No. Part No. 1 13 190443 2 22 402283 3 17 402495 4 14 433293 5 6 433705 6 44 433816 7 16 433817 8 15 433845 9 7 433846 10 45 433847 11 9 434062 12 19 434716 13 3 436357 14 11 436358 15 1 437045 16 5 437091 17 24 437229 18 21 437274 19 4 439329 20 12 439342 21 18 442007 22 20 442016 23 8 4529604 13-10 Description HEATER CRANKCASE MITSUBISHI CO SUCTION ACCUMULATOR 3"x5/8" 3.
EXPLODED VIEWS AND SPARE PARTS LISTS 13.
EXPLODED VIEWS AND SPARE PARTS LISTS 13.12 Outdoor Unit: OU7-24 RC 3PH No. SP No. Part No. 1 13 190443 2 22 402283 3 17 402494 4 7 433285 5 15 433288 6 16 433291 7 6 433294 8 14 433753 9 44 433816 10 9 434062 11 19 434716 12 3 436357 13 11 436358 14 1 437045 15 5 437091 16 24 437229 17 21 437278 18 4 439329 19 12 439342 20 25 439795 21 18 442007 22 33 442466 23 8 4529604 13-12 Description HEATER CRANKCASE MITSUBISHI CO SUCTION ACCUMULATOR 3"x5/8" 3.
EXPLODED VIEWS AND SPARE PARTS LISTS 13.
EXPLODED VIEWS AND SPARE PARTS LISTS 13.14 No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 13-14 Outdoor Unit: OU7-24 ST 3PH SP No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 21 22 24 25 44 45 Part No.
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EXPLODED VIEWS AND SPARE PARTS LISTS 13.
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EXPLODED VIEWS AND SPARE PARTS LISTS 13.
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OPTIONAL ACCESSORIES 14. OPTIONAL ACCESSORIES 14.1 RCW Wall Mounted Remote Cntrol 14.1.1 The RCW wall mounted remote control can be fitted to a large range and models, It can be used as IR (wirless mode) or wired controler.the RCW can control up to15 indoor units using the same settings (on its wired aplication), The max wiring length between the controller to the last indoor unit is 300m. for application on WNG LED indoor units an additional interface PCB is needed.
OPTIONAL ACCESSORIES 14.2 RCW2 Wall Mounted Remote Cntrol 14.2.1 The RCW2 wall mounted remote controler is a wired controler that can provide affective controling management up to 15 different settings and temp’ zones. The RCW2 can be connected up to a max’ of 32 units,allowing a max wiring length of 1000m. for application on WNG LED indoor units an additional interface PCB is needed.
OPTIONAL ACCESSORIES 14.
OPTIONAL ACCESSORIES All Season Kit Installation Instruction(for ST units only) Switch off power supply to the unit A Fig.1 ● Remove: – Cover A; – Power panel handle B; – Side cover C (if it exist). B C Fig.1 Fig.2 ● Mount the Fan speed controller on the partition of the compressor compartment in the holes provided, using four supplied screws . OU7 Note: ● In outdoor models OU8, the Fan Speed Controller should be mounted on the partition toward the outdoor fan motor side. OU10 OU8 Fig.
OPTIONAL ACCESSORIES Fig.4 Flare nut D E ● Connect capillary E to T-valve. Use Copper sealing gasket between the flare nut and the connection to T-valve. Note: ● Installing the Copper sealing gasket is mandatory in order to avoid refrigerant leak. T-valve Cooper sealing gasket Fig.4 Fig.5 TB2 Electrical connections for 1PH units: ● Disconnect the wire from point “6” on main terminal outdoor PCB Typhoon and isolate it with isolation tape.
OPTIONAL ACCESSORIES Fig.7 ● Verify the wiring to electrical diagram. 1PH Unit 3PH Unit Capillary loop Fig.8 ● Arrange the wires and capillary tube together with plastic ties, don’t fold or break the capillary tube,keep a large loop for extra length of capillary tube. ● Check for refrigerant leaks. Plastic tie Fig.8 ● Re-assemble the previously removed elements.
APPENDIX A APPENDIX A INSTALLATION AND OPERATION MANUAL ► OPERATION MANUAL KN 24, 30, 36, 45 ► INSTALLATION MANUAL KN 24, 30, 36, 45 Service Manual - KN Series Revision Y06-02 CONTENT 15-1
ENGLISH CONTENTS INSTALLATION ................................................................................................................... 1 REQUIREMENT FOR ELECTRIC SAFETY ....................................................................... 2 PARTS NAMES AND THEIR FUNCTIONS ........................................................................ 3 OPERATION ATTENTION .................................................................................................. 4 TEMPORARY OPERATIONS ........
INSTALLATION CAUTION Don’t attempt to install this unit yourself. The unit requires installation by qualified persons. POWER • Be sure to use the special switch with effective grounding. The connector socket in the air conditioner has been grounding already, please don’t change it freely. • If necessary, use power fuse or circuit breaker of appropriate amperes with wiring of enough capacity. • Don’t pull the power wiring hard. • If you want to change the power wiring, please contact your dealer.
REQUIREMENT FOR ELECTRIC SAFETY 1. 2. 3. 4. The wiring work must be done by qualified person. All the wiring must be performed according to safety rules. The main switch must be linked well with the earth. A separate power source for the air conditioner according to the specifications as follow must be provided. NOTICE • • • In no circumstance should the ground wire or the main power switch be cut off. Don’t use ruined wiring, if you have found any, please replace it immediately.
PARTS NAMES AND THEIR FUNCTIONS The air conditioner consists of the indoor unit , the outdoor unit , the connecting pipe and the remote controller. Display Panel NOTICE This chart is based on KN-27SH, so, a few differences may exist on the outlook and functions from yours.
OPERATION ATTENTION NOTICE • • Please read this “Owner’s Manual” carefully operation. This air conditioner is designed to provide comfortable circumstances and to guarantee the functions described in this manual only. 1. CHECK BEFORE OPERATION • Check that the ground wiring is not broken off and is connected well. • Check that the air filter is installed well. • Clean the air filter at first after a long time rest. If you plan to use it continuously, please clean it once the other week.
TEMPORARY OPERATIONS This function is used to operate the unit temporarily in case you misplace the remote controller or its batteries are exhausted. Two modes including mandatory HEAT and mandatory COOL can be selected through the TEMPORARY BUTTON on the air inlet grill control box of the indoor unit. Once you push this button, the air conditioner will run in such order mandatory HEAT mandatory COOL, OFF and back to mandatory HEAT. 1.
HINTS FOR ECONOMICAL OPERATION The following should be noticed ensure an economical operation. (Refer to corresponding chapter for details) • Adjust the air flow direction properly to avoid winding toward your body. • Adjust the room temperature properly to get a comfortable situation and to avoid supercooling and superheat. • In cooling, close the curtains to avoid direct sunlight. • To keep cool or warm air in the room, never open doors or windows more often than necessary.
2. Take out the air-in grill (together with the air filter shown in sketch B) Pull the air-in grill down at 45° and lift it up to take out the grill. 3. Dismantle the air filter. 4. Clean the air filter (Vacuum cleaner or pure water may be used to clean the air filter. If the dust accumulation is too heavy, please use soft brush and mild detergent to clean it and dry out in cool place). MAINTENANCE • The air-in side should face up when using vacuum cleaner.
RESTART AFTER A LONG TIME 1. Check before operation • Check that air outlets of the outdoor and indoor are not blocked. • Check that the ground wiring is not broken off and is connected well. 2. Restore the air filter and the front panel The air filter and the front panel must be fixed to the original position after having been cleaned. 3. Connect the main power switch To protect the air conditioner, power should be provided 12 hours before operation.
TROUBLES AND CAUSES (concerning the unit) 1. If any or the following conditions occurs, stop the air conditioner immediately, set off the power: • The indicator lamps flash rapidly (two times per second), you disconnect the unit with the power and then connect it again, but the lamp still flashes. • Remote controller or switch operations are erratic. • The fuse is blown frequently or the circuit breaker is tripped frequently. • Foreign matter or water has fallen inside the unit.
The Transmission indicator Symptoms Causes The remote control signal is not transmitted when the I/O button is pushed. Never Comes On Reason and Disposal • Check whether the batteries in the remote controller are exhausted. The remote control signal is not transmitted, because the power supply is off. The TEMP. indicator Never Comes On Causes Symptoms The TEMP. indicator does not come on . • Check whether the MODE indicated on the display is FAN ONLY.
CONTENTS 2. INSTALLATION INFORMATION ................................................................................... 2 3. ATTACHED FITTINGS .................................................................................................. 3 4. INSTALLATION PLACE ................................................................................................ 4 5. INDOOR UNIT INSTALLATION .................................................................................... 5 6. OUTDOOR UNIT INSTALLATION .
PRECAUTION SAFETY CONSIDERATIONS Installation and servicing of air conditioning equipment can be hazardous due to system pressure and electric components. Only trained and qualified service personnel should install, repair or service air conditioning equipment. All other operations should be performed by trained service personnel. When working on air conditioning equipment, observe precautions in the literature, tags and labels attached to the unit and other safety precautions that may apply.
NOTE Remark per EMC Directive 89/336/EEC To prevent flicker impressions during the start of the compressor (technical process), following installation conditions do apply. 1. The power connection for the air conditioner has to be done at the main power distribution. The distribution has to be of a low impedance, normally the required impedance reaches at a 32 A fusing point. 2. No other equipment has to be connected with this power line. 3.
ATTACHED FITTINGS Please check whether the following fittings are of full scope. If there are some attached fittings free from use, please restore them carefully. Installation fittings Drainpipe Fittings 1. Expansible hook ........................................ 4 5. Out-let pipe sheath .................................. 1 2. Installation hook ........................................ 4 6. Out-let pipe clasp .................................... 1 3. Installation paper board ..........................
INSTALLATION PLACE CAUTION Location in the following places may cause malfunction of the machine. (If unavoidable, please consult your local dealer) a. b. c. d. e. f. g. h. i. j. There is petrolatum existing. There is salty air surrounding (near the coast) There is caustic gas (the sulfide, for example) existing in the air (near a hot spring). The Volt vibrates violently (in the factories). In buses or cabinets. In kitchen where it is full of oil gas. There is strong electromagnetic wave existing.
INDOOR UNIT INSTALLATION 1. Install the main body A. The existing ceiling (to be horizontal) a. Please cut a quadrangular hole of 880X880mm in the ceiling according to the shape of the installation paper board. (Refer to Chart 3, 4) • The center to the hole should be at the same position of that of the air conditioner body. • Determine the lengths and outlets of the connecting pipe, drainpipe and cables. • To balance the ceiling and to avoid vibration, please enforce the ceiling when necessary. b.
Note: 24/27/30 Series B 240mm 36/45 Series B 310mm Hook Body Nut Body Ceiling Central hole Panel Chart 4 Installation paper board H (Ceiling height) Body M6X12 Ceiling Body Chart 7 Chart 6 Chart 5 B. New built houses and ceilings a. In the case of new built house, the hook can be embedded in advance (refer to the A. B mentioned above). But it should be strong enough to bear the indoor unit and will not become loose because of concrete shrinking. b.
(3)Install the panel a. Align the swing motor on the panel to the tubing joints of the body properly. (Refer to chart 11) b. Fix hooks of the panel at swing motor and its opposite sides to the hooks of corresponding water receiver. (Refer to chart 11①) Then hang the other two panel hooks onto corresponding hangers of the body. (Refer to chart 11➁) Do not coil the wiring of the swing motor into the seal sponge. CAUTION c.
OUTDOOR UNIT INSTALLATION CAUTIONS • Keep this unit away from direct radiation of the sun or other heaters. If unavoidable, please cover it with a shelter. • In places hear coast or with a high attitude where the wind is violent, please install the outdoor unit against the wall to ensure normal performance. Use a baffle when necessary. • In the case of extremely strong wind, please prevent the air from flowing backwards into the outdoor unit.
INSTALL THE CONNECTING PIPE CAUTIONS check whether the height drop between the indoor unit and outdoor unit , the length of refrigerant pipe, and the number of the bends meet the following requirements: The max height drop .................................................................................................................. 20m. (If the height drop is more than 10m, you had better put the outdoor unit over above the indoor unit.) The length of refrigerant pipe ...................................
Use the market brass pipe • Be sure to use the same insulating materials when you buy the brass pipe. 2. Locate The Pipes • Drill a hole in the wall (suitable just for the size of the wall conduit, 50,53,71 series diameter is M90mm, and 120 series diameter is M105mm in general), then set on the fittings such as the wall conduit and its cover. • Bend the connecting pipe and the cables together tightly with binding tapes .Do not let air in, which will cause water leakage by condensation.
Expel the air with a vacuum pump (Refer to Chart 27) (please refer to its manual for the way of using manifold value) 1. Loosen and remove the maintenance nuts of stop values A and B, and connect the charge hose of the manifold value with the maintenance terminator of stop value A. (Be sure that stop values A and B are both closed ) 2. Connect the joint of the charge hose with the vacuum pump . 3. Open the Lo-lever of the manifold value completely. 4. Turn on the vacuum pump.
7. Disassemble the charge hose from the repair-mouth of stop value A, and fasten the unit. Outdoor unit Manifold value Multi-meter Pressure meter Gas-side Indoor unit -76CmHg Hi-lever Charge hose Vacuum pump Lo-lever Charge hose Trap Liquid side Pipe joint Chart 26 Chart 25 Lo-lever Chart 27 Operate the stop valves • Open the value stem until it reaches the limitator. Do not open it any further. • Fasten the stop values with a wrench or such tools.
INSULATION • Be sure to with insulating materials cover all the exposed parts of the flare pipe joints and refrigerant pipe on the liquid-side and the gas-side .Ensure that there is no gap between them. • Incomplete insulation may cause water condensation. CONNECT THE DRAIN PIPE 1. Install the drainpipe of the indoor unit . • You can use a polyethylene tube as the drainpipe (out-dia, 37-39mm, in-dia. 32mm).It could be bought at local market or from your dealer .
2. Drainage test • Check whether the drainpipe is unhindered • New built house should have this test done before paving the ceiling. 1) Refer to chart 32) Pump joint Test cover Test mouth Body Slow tube Water-receiver Drain plug Chart 32 2) Turn on the power, and operate the air conditioner under the “COOLING “ mode. Listen to the sound of the drain pump.
WIRING CAUTION 1. The air conditioner should use separate power supply with rated voltage. 2. The external power supply to the air conditioner should have ground wiring, which is linked to the ground wiring of the indoor and outdoor unit. 3. The wiring work should be done by qualified persons according to circuit drawing. 4. A disconnection device having an air gap contact separation in all active conductors should incorporated in the fixed wiring according to the national wiring regulation. 5.
3. ELECTRICAL CONNECTIONS 3.1 Power supply WARNING Electrical connection shall be made only by authorized electricians and in accordance with local electrical requirements and codes. The system must be grounded. Single-phase models and three phase models are available; for each of them, the necessary wiring diagram is shown. connect the unit to the main power supply as for its applicable wiring diagram.
INDOOR OUTDOOR 1. 2. 3. 4. 5. 6. 7. HEATER Outdoor unit Inter connecting cable Power supply Semi-automatic switch Indoor unit Display Quick connector Display control unit MODEL KN 30 KN 36 KN 46 8. Wireless Remote Control 9. Wired Remote Control (optional) 10. Remote ON/OFF Switch (by installer) 11. Control Cable (Shielded) 12. Switch ON/OFF (by installer) 13. Heater Cable (Optional) 14.
OUTDOOR INDOOR 3-CORE Cable 3X1.5mm2 3-CORE Cable YZW-300/500 3X1.5mm2 5-CORE Cable RW-300/500 5X1.
INDOOR O U TD O O R Cable 3X2.5mm Cable 3X2.5mm 2 2 Cable 3X4mm 2 POWER: 220-230V~50Hz Note: The cooling only type without the link listed by broken line KN-24/27 AIR CONDITIONER LINK CIRCUIT Chart 38 19 CONTENT SZ000504-En 31 2005.2.
TEST OPERATION 1. The test operation must be carried out after the entire installation has been completed. 2. Please confirm the following points before the test operation. • The indoor unit and outdoor unit are installed properly. • Tubing and wiring are correctly completed. • The refrigerant pipe system is leakage checked. • The drainage is unimpeded. • The ground wiring is connected correctly. • The length of the tubing and the added stow capacity of the refrigerant have been recorded.
