Terminal, identification and function, Screw terminal arrangement and wiring – Viconics VT7600F Installation Manual User 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