MXZ-SM36NAMHZ Service Manual

12
OCH789
Service Ref. MXZ-SM36NAMHZ-U1 MXZ-SM42NAMHZ-U1 MXZ-SM48NAMHZ-U1
Indoor type
Non-Ducted Mix Ducted Non-Ducted Mix Ducted Non-Ducted Mix Ducted
Cooling
Capacity Rated*
1
Btu/h 36,000 36,000 36,000 42,000 42,000 42,000 48,000 48,000 48,000
Rated power consumption*
1
W 2,400 2,610 2,855 3,135 3,440 3,820 3,665 3,930 4,245
Current input (208/230V) A 11.7/10.6 12.7/11.5 13.9/12.6 15.3/13.8 16.8/15.2 18.6/16.9 17.9/16.2 19.2/17.3 20.7/18.7
EER Btu/h/W 15.00 13.80 12.60 13.40 12.20 11.00 13.10 12.20 11.30
SEER - 23.0 20.7 18.3 22.0 20.0 18.0 23.0 19.8 16.5
Heating
Capacity Rated 47°F*
1
Btu/h 42,000 42,000 42,000 48,000 48,000 48,000 54,000 54,000 54,000
Capacity Max. 17°F*
2
Btu/h 42,000 42,000 42,000 48,000 48,000 48,000 54,000 54,000 54,000
Capacity Max. 5°F Btu/h 42,000 42,000 42,000 48,000 48,000 48,000 54,000 54,000 54,000
Rated power consumption 47°F*
1
W 3,080 3,200 3,325 3,430 3,750 4,140 3,955 4,335 4,795
Current input (208/230V) A 15.0/13.6 15.6/14.1 16.2/14.7 16.7/15.1 18.3/16.6 20.2/18.3 19.3/17.5 21.2/19.1 23.4/21.2
COP 47°F*
1
W/W 4.00 3.85 3.70 4.10 3.75 3.40 4.00 3.65 3.30
HSPF
4
/
5
- 12.5/10.3 12.1/9.9 11.7/9.5 12.0/9.5 11.5/9.5 11.0/9.5 12.0/9.4 11.5/9.2 11.0/9.0
Power supply 1 Phase 208/230 V, 60 Hz
Breaker Size/Max. fuse size 40 A/40 A (When power is supplied separately)
45 A/50 A (When power is supplied from the outdoor unit)
Min. circuit ampacity 36 A (When power is supplied separately)
42 A (When power is supplied from the outdoor unit)
Indoor unit
connectable
Total capacity 50 to 130% of outdoor unit capacity
Model/Quantity *
3
CITY MULTI 04 - 36/11 04 - 54/12 04 - 54/12
Branch box 06 - 36/4 06 - 36/5 06 - 36/8
Sound pressure level
(measured in anechoic room)
dB <A> 49/53 50/54 51/54
Refrigerant
piping diameter
Liquid pipe inch (mm) ø3/8 (9.52)
Gas pipe inch (mm) ø5/8 (15.88)
Fan Type × Quantity Propeller fan × 2
Airow rate m³/min 110
L/s 1,834
cfm 3,885
Control, Driving mechanism DC control
Motor output kW 0.074 + 0.074
External static press. 0
Compressor Type × Quantity Scroll hermetic compressor × 1
Manufacture Mitsubishi Electric Corporation
Starting method Inverter
Motor output kW 2.8 2.9 3.4
Case heater kW 0
Lubricant FV50S 78oz. (2.3L)
External nish Galvanized Steel Sheet <Munsell 3Y 7.8/ 1.1>
External dimension H × W × D mm 1,338 × 1,050 × 330 (+25)
inch 52-11/16 × 41-11/32 × 13 (+1)
Protection
devices
High pressure protection HP switch
Inverter circuit (COMP./FAN) Overcurrent detection, Overheat detection (Heat sink thermistor)
Compressor protection Compressor thermo, Overcurrent detection
Fan motor protection Overheating/Voltage protection
Refrigerant Type x original charge R410A 10 lbs. 9 oz. (4.8kg)
Control Linear Expansion Valve
Net weight lb (kg) 278 (126)
Heat exchanger Cross n and tube
HIC circuit (HIC: Heat Inter-Changer) HIC circuit
Defrosting method Reversed refrigerant circuit
Guaranteed operation range (Cooling) D.B 23 to 115°F [D.B.-5 to 46°C] *
4
*
5
*
6
(Heating) D.B. -13 to 70°F [D.B. -25 to 21°C]
Remarks Details on foundation work, duct work, insulation work, electrical wiring, power source switch, and other items
shall be referred to the Installation Manual.
Due to continuing improvement, above specications may be subject to change without notice.
*
1
Rating conditions Cooling Indoor : D.B. 80°F/W.B. 67 °F [D.B.26.7°C/W.B. 19.4°C]
Outdoor : D.B. 95°F [D.B. 35.0°C]
Heating Indoor : D.B. 70°F [D.B. 21.1°C]
Outdoor : D.B. 47°F/W.B. 43°F [D.B. 8.3°C/W.B. 6.1°C]
*
2
Conditions Heating Indoor : D.B. 70°F [D.B. 21.1°C]
Outdoor : D.B. 17°F/W.B. 15°F [D.B. −8.3°C/W.B. −9.4°C]
*3 It can not be connected mixed CITY MULTI indoor unit and branch box indoor unit.
*4 D.B. 5 to 115°F [D.B. -15 to 46°C], when an optional Air Outlet Guide is installed.
However, this condition does not apply to the indoor units listed in *5.
*5 50 to 115°F (10 to 46°C)D.B.: When connecting PKFY-P06NBMU, PKFY-P08NHMU,
PKFY-P04/06/08/12NLMU, PFFY-P06/08/12NEMU, and PFFY-P06/08/12NRMU type indoor unit.
*6 When the temperature is below D.B. 50°F [D.B. 10°C] with branch box system, noise could potentially occur.
Note: Refer to the indoor unit's service manual for the indoor units specications.
Conversion formula:
kcal/h = kW o 860
Btu/h = kW o 3412
CFM = m
3
/min o 35.31