Bard W**H*D, S**H*D, T**H*D installation instructions 24V Low Voltage Terminal Block

Page 17

FIGURE 13

1-STAGE HEAT PUMP WITH OPTIONAL ELECTRIC HEAT

WITH OR WITHOUT DEHUMIDIFICATION

WITH ECONWMSTYLE ECONOMIZER

“W” OR “T” VENT OPTION

2

 

 

 

Low Voltage Wiring Diagram

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Thermostat

C

R

O/B

W1/E W2

L

G

A

YO/D

Y2

Y1

part #8403-060

24V Low Voltage

C

R

B

W1

E

W2

L

G

Y

Y1

DH

O1

W3

 

 

Terminal Block

 

 

 

 

 

 

 

 

Brown/white

 

 

 

 

Yellow/red

 

 

 

 

Black

Red

Blue

 

 

3

Orange

Yellow

 

 

1

Pink

Purple

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

2

3

Economizer

Yellow/White

 

Wiring Harness

 

Must be energized to enable minimum position. NOTE: Economizer Control Default Setting is 10V (100%). Depending upon application may require setting to lower value.

Must be configured for heat pump / multistage/ no economizer/ to enable YO/D output to be active as dehumidification output

Factory Jumper Installed.

MIS-2981 B

Manual

2100-516H

 

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17 of 19

Image 17
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