14
After superheat is adjusted it is recommended to check unit sub-cooling at the condenser coil liquid line out. In most operating
conditions 10 - 15ºF of sub-cooling is adequate.
HEAT PUMP - HEATING CYCLE
The proper method of charging a heat pump in the heat mode is by weighing the charge according to the total charge listed on the
rating plate.
ELECTRICAL ADJUSTMENTS
This series of electric cooling and, heat pump package equipment is designed to accept a field installed electric heat kit. The unit
is equipped to easily install the HKR Series Electric Heat Kit. Full Installation Instructions are included in this kit. Please use this
document for guidance in field equipping the package unit with electric heat.
Choose the heat kit that fits the application for the specific installation. Permanently mark the unit’s nameplate with the model
being installed. High and low voltage connections are detailed in the heat kit instructions.
Indoor Blower motor speed tap selection may need to be modified to accommodate normal continuous operation to prevent a
nuisance trip. See tables below.
MODEL
5
8
10 15
20
GPC1524M41 3 3 3 x x
GPC1530M41 3 3 3 3 x
GPC1536M41 3 3 3 3 x
GPC1542M41 3 3 3 3 x
GPC1548M41 3 3 3 3 3
All models are factory shipped at T3 speed
ELECTRIC HEAT kW
MODEL
5 8 10 15 20
GPH1524M41
333xx
GPH1530M41
3333x
GPH1536M41 3333x
GPH1543M41
3333x
GPH1549M41
33333
GPH1560M41 33333
All models are factory shipped at T3 speed
ELECTRIC HEAT kW
MODEL
5 8 10 15 20
APH1524M41
XXX
APH1530M41
XXXX
APH1536M41
XXXX
APH1543M41
XXXX
APH1549M41
XXXXX
APH1560M41
XXXXX
ELECTRIC HEAT kW
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