Bard T**H, W**H*D Unit, Low Voltage Wiring Diagram, Stage Cool, Stage Heat, “E” Vent Option

FIGURE 5

HEAT PUMP WITH OPTIONAL EIFM ECONOMIZER

“E” VENT OPTION

2 Low Voltage Wiring Diagram

Thermostat	C	R	O/B	W1/E	W2	L	G	A	Y1	YO/D	2 Stage Cool
Bard part #8403-060											2 Stage Heat

24V Low Voltage

C

R

B

W1

E

W2

L

G

Y

Y1

DH

O1

W3

Unit

Terminal Block

Black

Orange

Yellow

Y2

Y1

1

1

Pink

Purple

E

F

Blue

Black

3

Economizer

MIS-2648 C

Wiring Harness

1

Factory Jumper Installed.

2

Must be configured for economizer with YO/D output to

be active as first stage cooling.

3 These wires are used in special control applications only.

Manual	2100-516H
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