Effective: January 2020
F-35-53-CE
3
MOUNTING AND WIRING
The 35-53CE is not position sensitive and can be mounted
vertically or horizontally. The control may be mounted on any
surface and fastened with #6 sheet metal screws. Secure the
control in an area that will experience a minimum of vibration
and remain below the maximum ambient temperature of 176°F
(80°C).
All connections should be made with UL approved, 105°C rated,
18 gauge stranded wire with .054” minimum insulation thick
-
ness. Refer to the appropriate wiring diagram when connecting
the 35-53CE to other components in the system.
TERMINAL DESIGNATIONS
CAUTION
Label all wires prior to disconnection when ser
-
vicing or replacing controls. Wiring errors can
cause improper and dangerous operation. A
functional checkout of a replacement control
should always be performed.
CAUTION
The control must be mounted and located in a
manner which protects components from expo
-
sure to water (dripping, condensate, spraying,
rain). Any control that has been exposed to
water must be replaced.
WARNING
All wiring must be done in accordance with both
local and national electrical code, and by a
trained service technician. Wiring must be at
least #18 AWG rated for 105°C or higher.
WARNING
The 35-53CE uses voltages of shock hazard
potential. Wiring and initial operation must be
done by qualified service technician.
WARNING
Operation outside specifications could result in
failure of the Fenwal product and other equip
-
ment with injury to people and property.
WARNING
Do not disconnect battery or any electrical loads
while the automatic gas ignition control is pow
-
ered.
Name
Description
Terminal Type
Location
Wire
Color**
PWR
*
+12 VDC
Power
3/16” male Q.C.
BLO
*
Blower
1/4” male Q.C.
AIR
*
Airflow Switch
6 Pin Edge
Connect
1
Red
TH
*
Thermostat
6 Pin Edge
Connect
2
Orange
NC
NC Contact
6 Pin Edge
Connect
3
Blue
V1
Gas Valve
6 Pin Edge
Connect
4
Brown
TEST/
SENSE
Local Sense
Unused
5
-
Remote Sense
6 Pin Edge
Connect
5
Black
GND
Ground
6 Pin Edge
Connect
6
Yellow
HV
H.V. Spark
1/4” male Q.C.
*
For applications without blower control, AIR terminal is used to pro
-
vide +12 VDC power. PWR, BLO, and TH are not used.
**
Colors for Fenwal Controls wire harnesses
