IO 212-NG Installation Manual
2300 / IO 210 Manual
IM110107
RD: APR 2019
R.L. 20C
27
Fault Conditions:
The LED will flash on for 1/4 second, then off for
1/4 second during a fault condition. The pause
between fault codes is 3 seconds.
Fenwal Control Terminal Designation
TH Thermostat / 24V Supply Input
GND System Ground
V1 Valve Power
V2 24V Supply Neutral
NC Alarm
S1 Remote Flame Sensor
Error Mode LED Indication
Internal Control Failure Steady on
Flame with No Call for
heat
2 flashes
Ignition Lockout 3 flashes
19. WIRING DIAGRAM: 2300 / IO 210 with Fenwal 35-60 DSI Control
If installing remote control kit JP-1235-RK refer to wiring diagram in the remote
control manual