Wire - Gas Heating - Smart temp Apollo Installation Manual

TYPICAL SYSTEM WIRING DIAGRAMS

2 Wire - Gas Heating

REMOTE SENSOR
S2
OUTDOOR
SENSOR
Switch Settings
Sw1 = OFF
Sw2 = OFF
Sw3 = ON
Sw4 = ON
In Installer Menu, set 4 Fn = H
24
OPTIONAL
TERMINALS
W
A
S1
SC
INDOOR
SENSOR
(Heat Cool)
(OFF=Fan controlled by Gas Heater)
(No short cycle protection required)
(Leave OFF)
Y G R C
THERMOSTAT
EQUIPMENT
R
Gas Heater
W