Product Manual

Form #43219020
9 June 09
10) ELECTRICAL CONNECTIONS
Failure to do so may result in death or serious injury.
This appliance must be connected to a properly grounded
electrical source.
Disconnect electrical power and gas supply before servicing.
ELECTRIC SHOCK HAZARD
1. All electric wiring shall conform to the latest edition of the National Electrical code (ANSI/NFPA No. 70), or the
code legally authorized in the locality where the installation is made.
2. The unit must be electrically grounded in accordance with the National Electrical code (ANSI/NFPA No. 70-latest
edition). In Canada, refer to current standard C22.1 Canadian Electrical Code Part 1.
3. The wiring providing power to the heater shall be connected to a permanently live electrical circuit, one that is not
controlled by a light switch.
4. The power supply to the unit should be protected with a fused disconnect switch or circuit breaker. A service
switch, as required by local codes, shall be located in the vicinity of the heater (check local codes for allowable
distances) and should be identified as Heater Service Switch. All electrical wiring must be located in accordance
with the required Clearances to Combustibles below the heater as listed on the nameplate on the heater.
5. When connecting the supply circuit to the heater, wiring material having a minimum size of 14 AWG and a
temperature rating of at least 90˚C shall be used.
TH
V1
GND
V2
FC+
FC-
Line Voltage
Thermostat
Transformer
Red
White
24VAC
120
VAC
Ignition Cable
Spark
Electrode
Gas
Valve
MV
MV
Blue
Blue
Wht
Ignition
Module
No. 2460D
Factory Wiring
Field Wiring
CONNECTION WIRING DIAGRAM
For Direct Spark Ignition System with Fenwal Module
Notes:
1. If any ot the original wire as supplied with the appliance must be replaced,
it must be replaced with wiring having a temperature rating of
at least 105deg. C (18Ga. CSA-600V-Type TEW).
2. When connecting the supply circuit to the heater, wiring material having a minimum
size of 14 AWG and a temperature rating of at least 90deg. C shall be used.
Ground
Neutral
Hot
Fused
Disconnect
Switch
Thermostat
Service
Switch
Service
Switch
Heater Heater
Continue To
Additional Heaters
Ground
Neutral
Hot
Fused
Disconnect
Switch
Thermostat
Service
Switch
Heater
Continue To
Additional Heaters
Single Heater Per Thermostat Multiple Heaters Per Thermostat
120V
120V
TYPICAL THERMOSTAT WIRING