Bard W**H*D, S**H*D, T**H*D Low Voltage Wiring Diagram, Unit, Electronic, Programmable

FIGURE 2

HEAT PUMP WITH OPTIONAL MFAD, CRV & ERV

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

1 2 3 4 5 6

Optional CO2 Controller Bard part #8403-067

2

24V Low Voltage

C

G

R

Y

Y1

E

W2

B

W1

W3

DH

L

O1

Unit

Terminal Block

Red

1

3

Orange

CRV

Brown/White

Black

ERV

Ventilation Packages

Black

MFAD

Red

1 Factory Jumper Installed MIS-2633 C

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

3Connect orange wire to "G" only if optional CO2 controller is used.

Must be configured to programmable and fan

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

Manual	2100-516H
Page	6 of 19