Quest Controls 600 - Page 13

Rev 3.1 01/11/23 - 8 - Model 600 User Guide
POS. +24/48 V DC
NEG. -24/48 VDC
OPTIONAL D C
POWER INPUT
Ground
RH+
RH-
T+
T-
NC
ZONE 1
TEMP AND HUMIDITY
ZONE 2 TEMP
OUTDOOR
AIR SENSOR
HVAC LO CKOUT
HIGH TEMP L2
SMOKE ALARM
HIGH TEMP L1
CONTROL VOLTAGE LOSS
LO W T EMP
GENERATOR RUNNING
TOXIC GAS
SMOKE ALARM
A/C #2
ALARM SHOWN WIRED NORMALLY CLOSED
C
R
G
Y1
W
COMMON
24VAC
FAN
COOL 1
HEAT
AC LOCKOUT
C
R
G
Y
W
COMMON
24VAC
FAN
COOL 1
HEAT
AC LOCKOUT
A/C #1
Y2
COOL 2
Y2
COOL 2
TWO STAGE NO ECON
Figure 5 – Two Stage HVAC Typical Installation