Bard S**H*D, W**H*D, T**H*D Low Voltage Wiring Diagram, Stage Cool E L 2 Stage Heat, Unit

FIGURE 10

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

PACKAGING USING A NON-PROGRAMMABLE THERMOSTAT WITH CO2 CONTROLLER

Low Voltage Wiring Diagram

C	G	R Rc Y	AUX O/B
Thermostat		1
#TH5220D1151
Bard part #8403-058

1 2 3 4

24V Low Voltage

Terminal Block

C G R		Y1	Y		W2 B W1 W3	DH
					1
3			Red
		Orange		CRV	Brown/White
Black				ERV
					Ventilation
					Packages
Black				MFAD		Red
				2
Electronic Humidistat	6	5	3		4
Bard part #8403-047
			Red		Yellow
				Mechanical Humidistat
					Bard part #8403-038

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

1 Stage

Cool

E L 2 Stage

Heat

5	6	Optional CO2	Controller
		Bard part #8403-067

O1 E L Unit

1Factory Jumper Installed.

2Jumper needs to be added.

3Connect Orange wire to "G".

MIS-2639 E

Manual	2100-516H
Page	14 of 19