SYSTEM OPERATION
11
REFRIGERANT CYCLE
Cooling only
Heat pump mode
(OUTDOOR
CAPILLARY TUBE
(INDOOR COIL)
OPERATION LIMITS
Cooling operation
All units may operate in the cooling mode up to a maximum outdoor ambient temperature of 111°F (44°C), and down to a
minimum outdoor ambient temperature of 66°F (19°C). The indoor side may be operated in the cooling mode with indoor
ambient temperature between 52°F and 88°F (11°C and 31°C).
Heating operation
Heat pump units may operate in the heating mode up to a maximum outdoor ambient temperature of 77°F (25°C), and down
to a minimum outdoor ambient temperature of 16°F (-9°C). The indoor side may be operated in the heating mode with indoor
ambient temperature between 59°F and 86°F (15°C and 30°C).
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