Bard W**H*D, S**H*D, T**HD installation instructions* Yellow Black Red

Page 18

FIGURE 14

HEAT PUMP WITH OPTIONAL CRVMWH-3 OR CHCRV-5

VENTILATION PACKAGING WITH PROGRAMMABLE THERMOSTAT (RECOMMENDED)

4

Low Voltage Wiring Diagram

Thermostat

C

G

R

Y1

Y2

W1/E

W2

O/B

Y O/D

L

A

Electronic

Bard part #8403-060

Programmable

3

1

2

3

4

5

6

Optional CO2 Controller Bard part #8403-067

	24V Low Voltage	C G R	Y Y1 E W2			B W1 W3 DH	L O1
	Terminal Block	C G R	Y Y1 E W2			B W1 W3 DH	L O1
	Terminal Block
			Yellow		1
			Yellow
		Black	Red		CHCRV-5	Orange
					CHCRV-5	Orange
					OR	Ventilation
					OR
				CRVMWH-3
	1 Factory Jumper Installed					Package
	1 Factory Jumper Installed

2Do not connect "A" from tstat #8403-060 if optional CO2 controller is used.

3Wire only needed for dehumidification units Must be configured to programmable and fan

4set to programmed for the "A" output to function during scheduled occupied periods

2

Unit

MIS-2997 C

Manual	2100-516H
Page	18 of 19

Image 18

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