Form 43343350
-38-
Oct 2013
D.
D.
D.
D.
LOW VOLTAGE (24V) THERMOSTAT CONNECTIONS
LOW VOLTAGE (24V) THERMOSTAT CONNECTIONS
LOW VOLTAGE (24V) THERMOSTAT CONNECTIONS
LOW VOLTAGE (24V) THERMOSTAT CONNECTIONS –
–
–
– MULTIPLE HEATERS (utilizing a fan center
MULTIPLE HEATERS (utilizing a fan center
MULTIPLE HEATERS (utilizing a fan center
MULTIPLE HEATERS (utilizing a fan center
relay)
relay)
relay)
relay)
Burner Control Box
Ground
N Neutral
L1 Hot (120V)
Low voltage
thermostat (24V)
Continue To
Additional
Heaters
Power Supply
Cord (120V)
Receptacle
TH
C
Jumper factory
installed for optional
24V thermostat
Fused
Disconnect
switch
24V
coil
C
R
G
NO
TH
C
Fan Center Relay Part No. 30169000
Contact Rating: 120V, 40VA, 12A
(maximum of 6 heaters per relay)
2
2
2
2----STAGE CONTROLS
STAGE CONTROLS
STAGE CONTROLS
STAGE CONTROLS ----
INTERNAL CONNECTION WIRING DIAGRAM
INTERNAL CONNECTION WIRING DIAGRAM
INTERNAL CONNECTION WIRING DIAGRAM
INTERNAL CONNECTION WIRING DIAGRAM —
—
—
—
Direct Sp
Direct Sp
Direct Sp
Direct Spark Ignition
ark Ignition
ark Ignition
ark Ignition
Draft Inducer
Motor
Gas Valve
(2-Stage)
Air Switch
Transformer
Primary 120V
Secondary 24V
High Voltage Cable
Electrode
Gap 1/8
CONTINUE TO
ADDITIONAL
HEATERS
Terminal Block
CONNECTION WIRING DIAGRAM
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.
Schéma de circuit de connexion
Vers les autres
radiateurs
Plaque à
bornes
Transformateur
bobine primaire 120ÊV
bobine secondaire 24ÊV
pressostat
Robinet
à gaz
Écartement
d'électrode
3,2Êmm
Haute tension
Bloc d'allumage
Moteur
d'amorce
d'aspiration
GND
V2
V1
(W)TH
Ignition Module (Fenwal)
(R) 24VAC
L1
IND
NC
P.SW
HV
S1
Flame Sensor
FACTORY WIRING
FIELD WIRING
Circuit d'origine
Connexions client
L2 NEUTRAL
L1 (hot) 120V
GROUND
MONITORING LIGHTS
Lampes témoins
42874030 Rev G 1/2011
Red
Light
Amber
Lights
L1 Black
L2 Black
(ribbed)
Black
White
Black
(ribbed)
Black
Green
Violet
Orange
Red
Green
Violet
Black
White
Red
Blue
White
Fuse 2A
Fusible
TISS
(
Tube Integrity
Safety System)
Red
Terminal Block
Plaque à
bornes
Red
Green
Red
Terminal Block
(2-stage
thermostat
connections)
Red
Yellow
Red
LO
HI
C
Time Delay Relay
(175/200 BTU
units only)
Terminal
Block
C
HI
LO
