Bard W**H*D, S**H*D, T**HD installation instructions* Crv

Page 13

FIGURE 9

HEAT PUMP WITH DEHUMIDIFICATION SEQUENCE & OPTIONAL MFAD, CRV & ERV VENTILATION

PACKAGING USING A NON-PROGRAMMABLE THERMOSTAT (NO OCCUPIED SIGNAL)

Low Voltage Wiring Diagram

Thermostat	C	G R Rc Y	E AUX O/B
Bard part #8403-058
		1

L1 Stage Cool

2 Stage Heat

"L" is constant 24V output when thermostat is in Em Heat mode

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

Unit

1

		Red			2
	Orange		CRV		Brown/White
Black			ERV		Brown/White
Black	4		ERV	Ventilation
	4			Packages
Black		MFAD			RED
			3
6	5	3			4
Electronic Humidistat
Bard part #8403-047
		Red			Yellow
		Mechanical Humidistat
			Bard part #8403-038

MIS-2638 C

1Factory Jumper Installed.

2Add jumper, ventilation will be active whenever blower operates.

3Jumper needs to be added.

4Orange wire is not connected.

Manual	2100-516H
Page	13 of 19

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Contents Single Stage Heat Pumps LOW Voltage Control Circuit Wiring Contents Wiring LOW Voltage Wiring Thermostat Wire Size Low Voltage Wiring Diagram Low Voltage Wiring Diagram Stage Cool Only if optional CO2 controller is used Low Voltage Wiring Diagram Electronic Programmable Stage Cool Stage Heat Cool CRV Stage Cool 2 Stage Heat WH/SH Heat Pump Connection Diagram WH Unit Low Voltage Term. Strip Thermostat 24V Low Voltage Terminal Block Yellow Black Red Stage Cool Stage Heat Unit