Heat Controller Water Source Heat Pump manual WHP Controller, PWRGND 24VAC, YS101564, AIN5

Section 2 WattMaster WHP

WHP Controller

The WHP Controller may be installed in any convenient protected location. Observe the recommended environmental limitations for the WHP Controller when selecting a installation location. The environmental limitations are a temperature range of 10°F to 149°F, and a maximum operating humidity of 90% RH non-condensing.

The WHP Controller may be mounted by fastening to a flat surface through the mounting plate. The unit is mounted by four (4) screws in the corners. Select the correct screws or other fasteners for the type of mounting material being utilized.

		RAM SIZE
COMMUNICATIONS		SELECT JUMPER
	PIN 1	RAM EPROM
DRIVER CHIP
	INDICATION	PAL

RS-485

COMMUNICATIONS

LOOP

COMMUNICATIONS

LED

ADDRESS SWITCH

( ADDRESS 18 SHOWN )

ANALOG INPUTS

Space Sensor

Slide Adjust
Supply Air Temp
	COMMRECLD4RT.1VSHLD21
Leaving Water	AIN5
Temp or
	4
Dirty Filter
Lockout
	OUT
Figure2-10:	PRESURE	YS101564
	SENSOR
STATIC PRESSURE	3
SENSOR INPUT
	WHP ControllerGD

OG	CPU			32K8
COMM485ADDRESW RAMS		ADDEPROM		COMMTEST
		0-5	VDC
		0-1	VDC

24 VAC Common for Inputs 1 - 3 Fan-On/Off

Rev. Valve-On/Off (Heat 1)

Compressor-On/Off (Heat 2)

Heat Pump Reset (Cool 1)

Aux. Heating or Cooling (Cool 2) 24 VAC Common for Inputs 1 - 3

DIAGNOSTIC BLINK

CODE LED

4COM1COUT--RELAY5342153MUTPUT

REAL TIME

CLOCK CHIP

POWER LED

PWRGND 24VAC

POWER

INPUT

Mounting4VACBackplate

2-14 Installation and Wiring