MXZ-SM42NAMHZ Service Manual
13
OCH789
Service Ref. MXZ-SM60NAM-U1
Indoor type
Non-Ducted Mix Ducted
Cooling
Capacity Rated*
1
Btu/h 60,000 60,000 60,000
Rated power consumption*
1
W 4,510 4,920 5,405
Current input (208/230V)
A 21.9/19.8 23.9/21.6 26.3/23.8
EER
Btu/h/W 13.30 12.20 11.10
SEER
- 20.0 18.9 17.8
Heating
Capacity Rated 47°F*
1
Btu/h 66,000 66,000 66,000
Capacity Max. 17°F*
2
Btu/h 65,000 65,000 65,000
Capacity Max. 5°F
Btu/h 57,000 57,000 57,000
Rated power consumption 47°F*
1
W 4,720 4,960 5,230
Current input (208/230V)
A 22.9/20.7 24.1/21.8 25.4/23.0
COP 47°F*
1
W/W 4.10 3.90 3.70
HSPF
4
/
5
- 12.0/8.8 11.3 / 8.3 10.7/7.8
Power supply 1 Phase 208/230 V, 60 Hz
Breaker Size/Max. fuse size
40 A/50 A (When power is supplied separately)
50 A/55 A (When power is supplied from the outdoor unit)
Min. circuit ampacity
36A (When power is supplied separately)
46A (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 - 72 /12
Branch box 06 - 36 / 8
Sound pressure level
(measured in anechoic room)
dB <A> 58/59
Refrigerant
piping diameter
Liquid pipe
inch (mm) ø3/8 (9.52)
Gas pipe inch (mm) ø3/4 (19.05)
Fan Type × Quantity Propeller fan × 2
Airow rate m³/min 138
L/s 2,300
cfm 4,879
Control, Driving mechanism DC control
Motor output kW 0.2 + 0.2
External static press. 0
Compressor Type × Quantity Scroll hermetic compressor x 1
Manufacture Mitsubishi Electric Corporation
Starting method Inverter
Motor output kW 3.9
Case heater kW 0
Lubricant FVC68D 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 11 lbs. 4 oz. (5.1kg)
Control Linear Expansion Valve
Net weight lb (kg) 302 (137)
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 specications 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 specications.
Conversion formula:
kcal/h = kW o 860
Btu/h = kW o 3412
CFM = m
3
/min o 35.31