Relays – Carrier TP-NHP User Manual

Page 15

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13

Relays

OAT

RRS

SRTN

HUM

D1

D2

V+

Vg

Rc

Rh
W / W1

G

Y/Y2

Y used for
single stage
cooling

C

O/W2/B

Y1

Y1 used for
multi-speed
cooling
Y1 = stage 1
Y2 = stage 2

Control Module Wiring Guide

connect
to user
interface

dry
contact

OAT /
RRS
return

{

Relays

OAT

RRS

SRTN

HUM

D1

D2

V+

Vg

Rc

Rh
W / W1

G

Y/Y2

Y used for
single stage
cooling

C

O/W2/B

Y1

Y1 used for
multi-speed
cooling
Y1 = stage 1
Y2 = stage 2

Control Module Wiring Guide

connect
to user
interface

dry
contact

OAT /
RRS
return

{

A07687

HUM terminal is not used on this model.

Fig. 7 − Control Module Wiring Guide

S Red is V+
S Black is Vg

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