9
Test condition
ARI
Mode Test
Indoor air condition (°F)
Outdoor air condition (°F)
Dry bulb
Wet bulb
Dry bulb
Wet bulb
SEER
(Cooling)
"A-2" Cooling Steady State
at rated compressor Speed
80
67
95
(75)
"B-2" Cooling Steady State
at rated compressor Speed
80
67
82
(65)
"B-1" Cooling Steady State
at minimum compressor Speed
80
67
82
(65)
"F-1" Cooling Steady State
at minimum compressor Speed
80
67
67
(53.5)
"E-V" Cooling Steady State
at Intermediate compressor Speed 5
80
67
87
(69)
HSPF
(Heating)
"H1-2" Heating Steady State
at rated compressor Speed
70
60
47
43
"H3-2" Heating
at rated compressor Speed
70
60
17
15
"H0-1" Heating Steady State
at minimum compressor Speed
70
60
62
56.5
"H1-1" Heating Steady State
at minimum compressor Speed
70
60
47
43
"H2-V" Heating
at Intermediate compressor Speed 5
70
60
35
33
5
: At Intermediate compressor Speed
= ("Rated compressor speed" - "minimum compressor speed") / 3 + "minimum compressor speed".
3, 4
(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
-4 (
NA
), 5(
NA2
)
-5 (
NA
), 4 (
NA2
)
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
OBH747C
