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Figure 7. typical heat pump thermostat connections, Ow2 w2 c – Reznor T5BP Unit Installation Manual User Manual

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Figure 7. Typical Heat Pump Thermostat Connections

BLOWER

MOTER

GND

BLACK

BLACK

GREEN

BROWN

TO FIELD
SUPPLIED DISCONNECT

SINGLE STAGE

HEAT PUMP THERMOSTAT

OUTDOOR

SECTION

SEE NOTE 1

SEE NOTE 2

FREEZESTAT

TYPICAL HEAT PUMP THERMOSTAT CONNECTION (NO ECONOMIZER)

AIR HANDLER

SECTION

TERMINAL

BOARD

G

C

W2

O

R

Y

W1

C

Y

R

G Y

E

R O

B

L1

L2

L3

O

W2

W2

C

NOTES:

1. Jumper between W2 and E is required.

2. C &W2 to be connected to electric heat.

TYPICAL HEAT PUMP THERMOSTAT CONNECTION (WITH ECONOMIZER)

BLOWER

MOTER

GND

TO FIELD
SUPPLIED DISCONNECT

OUTDOOR

SECTION

FREEZESTAT

AIR HANDLER

SECTION

TERMINAL

BOARD

G
C

W2

O
R

Y

W1

C

Y

R

L1

L2

L3

O

W2

s

C7400A

B

Y1

OPTIONAL

ECONOMIZER

W7459A

C7150
M.A.S.

TB-11

M7415A

T

T1MA

MIN.

POT.

P1

P

TR1

TR

Y2

S

TR 1

TR

o

S

1

3

2

4

T

P

T1

2K

JUMPER WIRE

5

P1

r

1S

1S

A

B

7

9

4

6

1

3

BLU-14”

YEL-18”

GRY-90”

GREEN

GREY

YELLOW

BLACK

ORANGE

RED

RED

WHITE

BLUE

VIO-14”

GRN-18”
GRN-18”

RED-12”

GRY-12”

BLK-12”

BLU-12”

BLK-12”

BLACK

BLACK

GREEN

BROWN

SINGLE STAGE

HEAT PUMP THERMOSTAT

SEE NOTE 1

SEE NOTE 2

SEE NOTE 4

SEE NOTE 5

SEE NOTE 3

G Y

E

R O

B

W2

C

NOTES:

1. Jumper between W2 and E is required.

2. C & W2 to be connected to electric heat.
3. Remove BLACK wire from air handler low voltage terminal board
Y terminal and connect to YELLOW wire from economizer.
4. 2nd Stage refrigerant cooling with optional economizer installed. A 2
stage thermostat is required for simultaneous operation of the economizer
and refrigerant system. Connect Y2 from 2 stage thermostat to BLUE
wire from economizer. If installing an economizer in this unit, refer to the
Economizer installation instructions for proper set up and operation.
5. Heat Pump Economizer Relay. Connect B from thermostat to GREY
wire from Economizer. Required for proper operation of an economizer
(optional) in the heat pump Heating mode. If installing an economizer in
this unit, refer to the Economizer installation instructions for proper set
up and operation.

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