Heat Controller Water Source Heat Pump Leaving Water Temperature Sensors, 2Figure-22, 17, Section

Section 2 WattMaster WHP

Leaving Water Temperature Sensors

The leaving water temperature sensor (optional) when used should be located on the leaving water piping close to the water source heat pump unit. Either a thermowell type or a surface mount sensor may be used depending on job requirements.

Leads Are Non-polarized.Butt Splice Leads To 24 GaugeWire Minimum. Connect LeadsTo "Analog In" And "Ground"

At Controller.

OE230 Duct Sensor

The OE230 Duct Sensor Threads Into The OE291 Stainless

SteelFPT ElbowThermowell.or Tee inThetheOE291WaterThermowellPiping1/8-27of theNPT5Threads.Water50ExternalCoilIntoThreadA 1/2” 1/8-27OE291NPSMStainlessInternal4.941/2"5Thread.13NPTSteelExternal3.25ThermowellThread0.Where You Wish to Measure the Water Temperature. The

Pipe must be a minimum of 4” Diameter or an Extended Tee and Bushing Configuration Must be Used to Accommodate the Length of the Thermowell Assembly.

Figure2-17:	Water Temperature Sensor
	(Supplied)	Supply Or Return
	Wire Tire	Water Pipe.
	(Supplied)
	Sensing Element

Thermal Mastic Strip (Supplied)

2Figure-222-18:	Water Temperature Sensor
	Installation and Wiring