Install Instructions

8 | PIR Ready VT7600 Series-Installation Guide
TYPICAL APPLICATIONS
VT7656B5X00(X)
2 Heat / 2 Cool / Economizer / With Schedule
VT7652H5X00(X)
Heat pump / Without Schedule
A
uxiliary
Heat
W1
System wiring
Jum
p
er J1
Ther mostat in tern al wir ing
Compressor
Stag e 1
24 VAC
T1
Compressor
Stage 2
Y2
Jumper J1
See note 1
(previous
page)
Fan
G
Y1
RC C RH
Remote
Room
Se nsor
Fiel d con t act s
Reversing
Valve
Digital Input #2
Digital Input #1
A
uxiliary
Out put
O/B
A
U
DI1 DI2
ScomRS
Remote
Outdoor
Sensor
Remote
Mixed Air
Senso r
MSOS
Controller Terminals - VT7652H5x00
Y2
DI1 DI2AU
Y1 RCG
O/B
OSRS
Sco m
RH
C
W
1
MS

Heat
Stage 2
Cool
Stage 1
System wiring
Thermostat internal wiring
Jumper J1
T1
24 Vac
Cool
Stage 2
Y2 Y1
Jumper J1
See note 1
(previous
page)
Fan
RCG C
Heat
Stage 1
W1RH W2
Auxiliary
Output
Field contacts
Com24V
Remote
Outdoor
Sensor
Digital Input #2
Digital Input #1
Remote
Room
Sensor
0-10 Vdc
EC
AU
DI1 DI2 RS
Remote
Mixed Air
Sensor
MSScom OS
Controller Terminals - VT7656B5x00
Y2
EC
RCGY1
A
U DI1 DI2
W2
MS
W1RH
C
Scom
RS OS