Service manual

10
Test condition
3, 4
Mode Test
Indoor air condition (˚F) Outdoor air condition (˚F)
Dry bulb Wet bulb Dry bulb Wet bulb
ARI
SEER
(Cooling)
"A" Cooling Steady State at rated compres-
sor Speed
80 67 95 (75)
"B-2" Cooling Steady State at rated com-
pressor Speed
80 67 82 (65)
"B-1" Cooling Steady State at minimum
compressor Speed
80 67 82 (65)
Low ambient Cooling Steady State at mini-
mum compressor Speed
80 67 67 (53.5)
Intermediate Cooling Steady State At Inter-
mediate compressor Speed
5
80 67 87 (69)
HSPF
(Heating)
Standard Rating-Heating at rated compres-
sor Speed
70 60 47 43
Low temperature Heating at rated compres-
sor Speed
70 60 17 15
Max temperature Heating at minimum com-
pressor Speed
70 60 62 56.5
High temperature Heating at minimum com-
pressor Speed
70 60 47 43
Frost Accumulation at rated compressor
Speed
70 60 35 33
Frost Accumulation at Intermediate com-
pressor Speed 5
70 60 35 33
5: At Intermediate compressor Speed = ("Cooling rated compressor speed" - "minimum compressor speed") / 3 + "minimum
compressor speed".
OPERATING RANGE
(1) POWER SUPPLY
Rated voltage Guaranteed Voltage (V)
Outdoor unit
208/230 V
1 phase
60 Hz
Min.187
208 230 Max.253
(2) OPERATION
Mode Condition
Intake air temperature (°F)
Indoor Outdoor
DB WB DB WB
Cooling
Standard temperature 80 67 95 —
Maximum temperature 90 73 115 —
Minimum temperature 67 57 14 —
Maximum humidity 78% —
Heating
Standard temperature 70 60 47 43
Maximum temperature 80 67 75 65
Minimum temperature 70 60
14
5 (MUZ-GA24)
13
4 (MUZ-GA24)
Except -
U
model