Bard W**H*D, S**H*D, T**H*D installation instructions Cool

Page 12

FIGURE 8

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

PACKAGING USING ELECTRONIC THERMOSTAT WITH COMBINATION TEMPERATURE &

HUMIDITY CONTROL WITH OPTIONAL CO2 CONTROLLER

2

 

 

 

 

Low Voltage Wiring Diagram

 

 

 

 

 

 

2 Stage

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Thermostat

C

G

R

Y1

Y2

O/B

W2

YO/D

 

 

 

 

 

A

W1/E

L

Cool

Bard part

 

 

 

 

 

#8403-060

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2 Stage

 

 

 

 

 

 

 

 

 

 

 

 

 

3

 

 

 

Heat

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

2

3

4

5

6

 

 

 

Optional CO2 Controller

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Bard part #8403-067

24V Low

C

G

R

Y1

Y

B

W2

W3 W1

DH

O1

E

L

Unit

Voltage

Terminal

 

 

 

 

 

 

 

 

 

 

 

 

 

Block

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

 

 

 

 

 

 

 

 

 

Orange

Red

 

 

 

 

 

 

 

 

3

 

 

 

CRV

 

 

Brown/White

 

 

 

 

 

Black

 

 

 

ERV

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Ventilation Packages

 

 

 

 

 

 

 

Black

 

 

 

MFAD

 

 

Red

 

 

 

 

1 Factory Jumper Installed

MIS-2637 C

 

 

 

2Must be configured to "no economizer" to make YO/D output active for humidity control. Must be configured to programmable and fan set to programmed fan for the "A" output to function during scheduled occupied periods.

Do not connect "A" from thermostat if optional CO2

3 controller is used. Connect orange wire to "G" only when optinal CO2 controller is used.

Manual

2100-516H

Page

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Image 12
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