Engineering Manual

A-176
Model MSZ-FE09NA MSZ-FE12NA
Item Unit Cooling Heating Cooling Heating
Total
Capacity Btu/h 9,000 10,900 12,000 13,600
SHF — 0.76 — 0.73 —
Input kW 0.580 0.710 0.930 0.950
Rated frequency Hz 34 42 51 52.5
Electrical circuit
Indoor unit MSZ-FE09NA MSZ-FE12NA
Power supply
V,
phase,
Hz
208/230, 1, 60
Input kW 0.018 0.024 0.024 0.030
Fan motor current A 0.19/0.17 0.25/0.23 0.25/0.23 0.32/0.29
Outdoor unit MUZ-FE09NAH MUZ-FE12NAH
Power supply
V,
phase,
Hz
208/230, 1, 60
Input kW 0.562 0.686 0.906 0.920
Comp. current A 2.38/2.15 2.98/2.70 4.05/3.66 4.12/3.72
Fan motor current A 0.35/0.32
Refrigerant circuit
Condensing pressure PSIG 376 355 402 392
Suction pressure PSIG 154 108 148 104
Discharge temperature ˚F 142 145 160 158
Condensing temperature ˚F 112 108 117 115
Suction temperature ˚F 53 36 53 34
Comp. shell bottom temperature ˚F 144 128 146 129
Ref. pipe length ft. 25
Refrigerant charge (R410A) 2 lb. 9 oz.
Indoor unit
Intake air temperature
DB ˚F 80 70 80 70
WB ˚F 67 60 67 60
Discharge air temperature
DB ˚F 59 99 58 101
WB ˚F 56 — 55 —
Fan speed (High) rpm 1,020 1,120 1,120 1,220
Airow (High) CFM 307 (Wet) 381 350 (Wet) 420
Outdoor unit
Intake air temperature
DB ˚F 95 47 95 47
WB ˚F — 43 — 43
Fan speed rpm 810 870 810 870
Airow CFM 1,102 1,187 1,102 1,187