Viconics VT7607 BACnet Integration Guide (First Release 1000 Series) - Manual (Page 4)

4
Wiring
Terminal identification & screw terminal arrangement
Y2
HUM
RC G Y1
AUX
DE
HUM
DI
W2
HL
W1 RH C
S
COM
HS OS
5 pole left top connector
8 pole bottom connector
3 pole left top connector
Detailed wiring diagrams for selected models
VT76X7B1000
2 Heat / 2 Cool / Humidifier & Dehumidifier Outputs / Programmable & Non-Programmable
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
RC G C
Heat
Stage 1
W1 RH W2
Auxiliary
Output
Field contact
Com 24V
Remote
Outdoor
Sensor
Digital Input
0-10 Vdc
Humidity
Sensor
0-10 Vdc
HUM AU DeHum DI HS
High Limit
Humidity
Sensor
HL Scom OS
Dehum
Output
Remote
0-10 Vdc
Part Number VT7657B1000(X) VT7607B1000(X)
Programmable Yes No
Top left terminal block
Y2 X X
Y1 X X
G X X
RC X X
C X X
Top right terminal block
RH X X
W1 X X
W2 X X
Bottom terminal block
HUM X X
AUX X X
DEHUM X X
DI X X
HS X X
SCOM X X
OS X X
HL X X