–7– Form
#43219000
Jan 09
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, o ne 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 90ºC shall be used.
TYPICAL HEATER WIRING DIAGRAM FOR DIRECT SPARK IGNITION SYSTEM
Valve
Valve
Thermostat
R
W
24VAC
120
VAC
MV
MV
BL
BL
G
42052000 Rev. G
02/05
25V
25V
(GND)
Sensor
V
Flame
Sensor
Hot
Neutral
Ground
3 Amp
Fuse
GND
(burner)
CONNECTION WIRING DIAGRAM
S
chéma de circuit de connexion
Ignition Module
(Honeywell #S87C)
TRANSFORMER
120V PRIMARY
24V SECONDARY
If any of the original wire as supplied with the
appliance must be replaced. It must be
replaced with wiring material having a
temperature rating of at least 105oC. (18
AWG. - UL / CSA 600V Type TEW)
When connecting the supply circuit to the
heater, wiring material having a minimum size
of 14 AWG and a temperature rating of at
least 90oC shall be used.
Transformateur
bobine primaire 120ÊV
bobine secondaire 24ÊV
S'il faut remplacer un fil de l'appareil d'origine,
utiliser exclusivement des fils à température
de service nominale d'au moins 105C (18
AWG. - UL / CSA 600ÊV
Type TEW).
Pour raccorder le circuit d'alimentation au
radiateur, utiliser des fils de calibre 14 AWG
ou plus à température de service nominale
d'au moins 90C.
Neutre
FACTORY WIRING
FIELD WIRING
Circuit d'origine
Connexions client
HIGH VOLTAGE CABLE
Haute tension
ELECTRODE
GAP 3/16
Écartement
d'électrode
4,7Êmm
Terre
GAS VALVE
Robinet à gaz
WIRE LEGEND
ENGLISH
FRANCAIS
W
WHITE
BLANC
R
RED
ROUGE
BL
BLUE
BLEU
G
GREEN
VERT
V
VIOLET
VIOLET
Bloc d'allumage
Chaud
Capteur
de flamme
TYPICAL THERMOSTAT WIRING INSTALLATIONS
TH
PP
TH
PP
Powerpile
Thermostat
Power Unit Coil
Operator
Coil
Valve @ Heater
Pilot
Powerpile
(Generator)
Cartridge
Model No. Suffix: N1, L1
Self Generating,
Millivolt Standing Pilot
(Single Heater Per Thermostat)
*
* CAUTION: A millivolt type thermostat
is required for use on
self-generating pilot
model heaters N1 & L1.
