Service manual

32
7-4. STANDARD OPERATION DATA
Model MUZ-A09NA MSZ-A12NA
Item Unit Cooling Heating Cooling Heating Cooling Heating
Total
Capacity Btu/h 9,000 10,900 9,000 10,900 12,000 13,600
SHF — 0.71 — 0.71 — 0.70 —
Input kW 0.690 0.860 0.690 0.860 1,170 1,160
Rated frequency Hz 50 61 50 63 76 76
Electrical circuit
Indoor unit MSZ-A09NA MSZ-A12NA
Power supply (V, Phase, Hz) 208 / 230, 1, 60 208 / 230, 1, 60
Input kW 0.016 0.021
Fan motor current A 0.18 / 0.16 0.23 / 0.21
Outdoor unit
MUZ-A09NA
MUZ-A09NA-
U1
MUZ-A09NA-
1
MUZ-A09NA-
U2
MUZ-A12NA
Power supply (V, phase, Hz) 208 / 230, 1, 60 208 / 230, 1, 60
Input kW 0.674 0.844 0.674 0.844 1.149 1.139
Comp. current A
2.80 / 2.53 3.63 / 3.28 3.14 / 2.84 3.89 / 3.52 5.08 / 4.59 5.03 / 4.54
Fan motor current A 0.37 / 0.34 0.33 / 0.30 0.37 / 0.34
Refrigerant circuit
Condensing pressure PSIG 363 368 393 372 395 393
Suction pressure
PSIG 144 109 144 102 124 103
Discharge temperature °F 145 153 155 165 169 164
Condensing temperature °F 107 108 113 109 112 113
Suction temperature °F 55 37 56 38 54 35
Comp. shell bottom temp °F 140 147 149 159 163 158
Ref. pipe length ft. 25 25
Refrigerant charge (R410A) — 2 lb. 5 oz. 2 lb. 2 lb. 5 oz.
Indoor unit
Intake air temperature
DB °F 80 70 80 70 80 70
WB °F 67 60 67 60 67 60
Discharge air temperature
DB °F 57 105 57 105 56 108
WB °F 56 71 56 71 54 72
Fan speed (High) rpm 1,080 1,080 1,080 1,080 1,220 1,220
Airfl ow (High)
CFM 275 (Wet) 307 275 (Wet) 307 318 (Wet) 353
Outdoor unit
Intake air temperature
DB °F 95 47 95 47 95 47
WB °F — 43 — 43 — 43
Fan speed rpm 840 840 840 840 840 840
Airfl ow
CFM 1,094 1,094 1,129 1,129 1,094 1,094