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Note: Unit is operated by a wired remote wall t-stat which is connected to an electronic control board
at the VPAK unit.
Heat Mode in Cool with Electric Heat Units
Heat Pump With Electric Heat Operation
If the Compressor is Locked Out on the 3 Minute Time Delay and Electric Heat is Available
Condition 1
set point of the t-stat if
(Compressor Heat)
Heat / Cool Units
This heating has two heating methods. If the ambient indoor temperature is below the heat set point and the
compressor is not locked out, the compressor turns on. If the ambient temperature rises above the t-stat’s heat set
point, the compressor turns off.
1. The control turns on the electric heat until the compressor is not locked out.
2. After lockout, the control turns off the electric heat, waits 5 seconds, then turns on the compressor.
(The wired remote wall t-stat’s time delay may override this feature).
When the t-stat is in the Heat Mode, if the indoor ambient temperature is below the heat set point, the fan turns on
5 seconds prior then the electric heat will turn on. When the t-stat is satisfied, the electric heat will turn off. The fan
turns off 15 seconds later.
Thereafter, the unit will switch back to Heat Pump
45 or greater.
heat until the outdoor coil temperature sensor rises to
10