Bard W**H*D, S**H*D, T**H*D Low Voltage Wiring Diagram, Unit, Stage Cool, Stage Heat

FIGURE 3

HEAT PUMP WITH OPTIONAL MFAD, CRV and ERV VENTILATION

PACKAGING WITH NON-PROGRAMMABLE THERMOSTAT (NO OCCUPIED SIGNAL)

Low Voltage Wiring Diagram

Thermostat	C	G R Rc Y	E AUX O/B	L	1 Stage Cool
#TH5220D1151					2 Stage Heat
Bard part #8403-058
		1			"L" is constant 24V output when
					thermostat is in Em Heat mode

24V Low Voltage	C G R	Y Y1 E W2 B W1 W3 L DH O1
Terminal Block

Unit

			1
	Orange	Red
3		CRV
	Black	ERV	Ventilation
	Black	MFAD	Packages

MIS-2646 C

2

Brown/White

Red

1Factory Jumper Installed

Add jumper, ventilation will be active

2whenever blower operates.

3Do not connect orange wire.

Manual	2100-516H
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