Heat Controller Water Source Heat Pump manual Conductors

Section 2 WattMaster WHP

The WHP Controller requires the following electrical connections: 18 Gauge minimum unless otherwise noted.

-24VAC Supply Voltage	2 Conductors
-Communications Loop	2 Conductor twisted pair with shield
(WattMaster Cable, Belden #82760 or equivalent)
-Discharge Air Temperature Sensor	(24 ga. Min.) 2 Conductors
-Room Air Temperature Sensor	(24 ga. Min.) 2 Conductors for standard sensor
3 Conductors for sensors with setpoint adjustment
-Outside Air Temperature Sensor	(24 ga. Min.) 2 Conductors
-WHP Unit Control Wiring	(24 ga.Min.) 24 VAC
	Fan- ON/OFF
	Rev Valve-ON/OFF
	Compressor-ON/OFF

Heat Pump Reset

Aux. Heating or Cooling

Tip: After making all electrical connections it is advised to unplug all terminal blocks on the WHP Controller until you are ready to begin the checkout procedure. This may help to prevent damage if wiring errors occur elsewhere in the system during installation or start-up.

2-16 Installation and Wiring