Viconics VT7600F Installation Manual - Manual (Page 6)

6 | PIR Ready VT7600 Series-Installation Guide
T
ERMINAL
, I
DENTIFICATION AND
F
UNCTION
Terminal Use
Terminal
Identification
Description
1
– Y2 2 nd
cooling Y2 Second cooling stage output.
2
– Y1 1 st
cool Y1 First cooling stage output.
3
– G Fan
G Fan output.
4
– RC 24VAC hot
RC Power supply of thermostat, hot side.
5
– C 24VAC com
C Power supply of thermostat, common side.
9
– AO analog
heat
AO Analog 0
– 10 VDC heating output.
10
– Auxiliary
output
AUX
Auxiliary output used to disable economizer
minimum position or control lighting during
unoccupied periods.
11
– DI 1
DI 1
Configurable extra digital input. See
parameter section for more information.
12
– DI 2
DI 2
Configurable extra digital input. See
parameter section for more information.
13
– RS
RS Remote temperature sensor input.
14 - Scom Scom Reference input for DI 1, RS, OS & DS.
15 - OS OS Outside air temperature sensor input.
16 - DS MS Discharge air temperature sensor input.
Screw terminal arrangement and wiring
Aux DI1 DI2 RS SCom OS MS
G Y1 Y2 C RC
VT76XXF Controller Terminals
AO