WhisperKool PLATINUM SPLIT 4000 Condenser Technician Manual page 29

Platinum Split Wiring 115V with Cold Weather Start Kit
Inside AKA4457 Electrical Boxes
Standard Electrical box
Compressor Contactor (Magnecraft Relay) VWC P/N 1-141120
Purpose- Cycle power between the crank case heater and
compressor, as needed. Crank case will be turned on, and
compressor will be turned off when the low pressure switch is
open. Compressor will be turned on, and crank case heater will
be turned off when the low pressure switch is closed.
View next 2 slides for more detailed description of
wire harness and relays for cold weather start kit
(Magnecraft Relay) VWC P/N 1-141120
the start of the unit.
Cold Weather Start Kit Box
Enclosed power relay 30a,24vac, spst VWC P/N 1-141122
control voltage from air handler, and sends power to the bypass timer.
Purpose- to assist in
Bypass Timer VWC P/N 1-230608 Purpose- To bypass the low pressure switch and
send power to the compressor for 1000 seconds, then will disengage. The low pressure
switch will make within that time period and keep the compressor running if the unit is
still calling for cooling.
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Platinum Split
Purpose: receives