Desa DVF36CR, DVF36TCL, DVF36TCR, DVF36TCL, DVF36TCRP, DVF36TCLP Continued, Problem, Remedy

TROUBLESHOOTING

Continued

	PROBLEM	POSSIBLE CAUSE				REMEDY
	Burner will not stay lit	1. Loose wiring		on	ignition	1.	Check ignition wire connec-
			module	to	ignition	2.	tion (see Wiring Diagrams)
		2. Poor ground					Check ground wire connection
		3.	module			3.	(see Wiring Diagrams)
			Main burner flame too low				Clean and adjust main burner;
			to sense				check gas supply and inlet
							pressure; replace ignition as-
							sembly if necessary
No gas to main burner when wall		1.	Wall switch wires defec-			1.	Check electrical connections
switch and valve are set to ON			tive				and replace wall switch
position
Frequent main burner outage		1.	Burner flame is too low			1.	Clean and adjust main burner
		2.	Igniter is misaligned causing			2.	Adjust ignitor location for
			safety burner to "drop out"				maximum flame impingement
		3.	Vent may be blocked or			3.	on sensor
							Have vent inspected for block-
			restricted				age or damage

Wiring Diagrams

IGNITER ASSEMBLY

IGNITION CONTROL

MODULE

G						P.
N	V2	L1	IND	TS	S1
D						SW	V1

ON

OFF

24V AC

STEP DOWN

TRANSFORMER

120V AC

GAS VALVE

		T
		DO NOT
O	I	CONNECT
L	H
		CONTROL
		VALVE TO
		120 VAC

WALL SWITCH	CONNECTORS
(SUPPLIED)	(NOT SUPPLIED)

OPTIONAL		FIELD WIRE
REMOTE
CONTROL J. BOX RECEPTACLE	BLK
BLK		INCOMING
		120V AC
WHT	WHT
		(FUSE BOX
GRN	GRN	OR
		BREAKER)
	GND

Figure 60 - Electronic Wiring Diagram

CONNECTORS (NOT SUPPLIED)

FIELD WIRE

J. BOX RECEPTACLE BLK

	Variable
Blower	Speed
Electrical Rating:	Control

120v, 60Hz, 0.7A

BLK		INCOMING
		120V AC
WHT	WHT
		(FUSE BOX
GRN	GRN	OR
		BREAKER)
	GND

Figure 61 - Optional Blower Wiring Diagram

112108-01C www.desatech.com 31