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56131-F 33
TROUbLESHOOTING
Continued
REMEDY
1. Check electrical connections
and replace wall switch
1. Clean and adjust main burner
2. Adjust ignitor location for
maximum ame impingement
on sensor
3. Have vent inspected for block-
age or damage
1. Wall switch wires defec-
tive
1. Burner flame is too low
2. Igniter is misaligned causing
safety burner to "drop out"
3. Vent may be blocked or
restricted
No gas to main burner when wall
switch and valve are set to ON
position
Frequent main burner outage
WIRING DIAGRAMS
GND
J. BOX RECEPTACLE
GRN
BLK
WHT
BREAKER)
GRN
(NOT SUPPLIED)
INCOMING
120V AC
(FUSE BOX
FIELD WIRE
WHT
BLK
OR
CONNECTORS
Variable
Speed
Control
Blower
Electrical Rating:
120v, 60Hz, 0.7A
TRANSFORMER
STEP DOWN
120V AC
24V AC
OFF
WALL SWITCH
(SUPPLIED)
ON
IGNITER
ASSEMBLY
D
V2
G
N
L1 IND
IGNITION CONTROL
MODULE
TS S1
SWV1
P.
120 VAC
GND
J. BOX RECEPTACLE
OPTIONAL
CONTROL
REMOTE
GRN
BLK
WHT
BREAKER)
GRN
(NOT SUPPLIED)
INCOMING
120V AC
(FUSE BOX
FIELD WIRE
WHT
BLK
OR
CONNECTORS
E
A
I
H
L
O
I
P
T
O
L
CONNECT
VALVE TO
CONTROL
DO NOT
GAS VALVE
Figure 63 - Electronic Wiring Diagram
Figure 64 - Optional Blower Wiring Diagram
SERVICE HINTS
When Gas Pressure Is Too Low
• pilot will not stay lit
• burner will have delayed ignition
• replace will not produce specied heat
• propane/LP gas supply may be low
You may feel your gas pressure is too low. If so,
contact your local gas supplier.
TECHNICAL SERVICE
You may have further questions about installation,
operation, or troubleshooting. If so, contact DESA’s
Technical Service Department at 1-866-672-6040.
When calling, please have your model and serial
numbers ready.
You can also visit DESA’s Technical Services web
site at
Note: Use only original replacement parts. This
will protect your warranty coverage for parts
replaced under warranty.