SERVICE HINTS

When Gas Pressure Is Too Low

pilot will not stay lit

burner will have delayed ignition

fireplace will not produce specified heat

propane/LP gas supply may be low if using propane/LP gas

You may feel your gas pressure is too low or gas quality is bad. 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 Depart- ment at 1-866-672-6040.

You can also visit DESA’s Technical Services web site at www.desatech.com.

WIRING DIAGRAM

 

Pilot

 

 

 

 

INCOMING

Burner

 

 

WALL SWITCH

MAIN GAS

 

 

 

 

 

 

(SUPPLIED)

SUPPLY

Pilot Gas

 

 

 

 

 

ON

OFF

 

Line

 

 

 

 

 

 

 

 

IGN

MODEL

 

 

 

 

VENT SAFETY

 

 

 

 

 

 

 

 

 

SHUTOFF SWITCH

SP745IGNITIONCONTROL

Robertshaw

BLACK WHITE GREEN

 

PV GND TRTHPV/MV

 

MANUAL

 

 

 

 

EV1

DAMPER

 

 

 

 

 

SWITCH

 

 

 

 

 

MV

 

 

 

 

EV2

 

 

 

 

 

 

24V AC

 

 

 

 

 

STEP DOWN

 

 

 

 

TRANSFORMER

 

 

 

120V AC

 

 

 

 

 

 

 

 

OPTIONAL

GAS LINE

 

 

 

 

REMOTE

 

 

 

 

CONTROL

TO

 

 

 

 

 

BURNER

SERVICE HINTS

19

TECHNICAL SERVICE

WIRING DIAGRAM

 

REPLACEMENT PARTS

 

 

 

REPLACEMENT PARTS

Note: Use only original replacement parts. This will protect your warranty coverage for parts replaced under warranty.

PARTS UNDER WARRANTY

Contact authorized dealers of this product. If they can’t supply original replacement part(s) call DESA’s Technical Service Depart- ment at 1-866-672-6040 for referral information.

When calling DESA, have ready

your name

your address

model and serial numbers of your fireplace

how fireplace was malfunctioning

type of gas used (propane/LP or natural gas)

purchase date

Usually, we will ask you to return the part to the factory.

PARTS NOT UNDER WARRANTY

Contact authorized dealers of this product. If they can’t supply original replacement part(s) call DESA at 1-866-672-6040 for referral information.

When calling DESA, have ready

model number of your fireplace

the replacement part number

BLACK

INCOMING

 

WHITE

120V AC

GREEN

(FUSE BOX

OR BREAKER)

ELECTRICAL RATING:

120v, 60Hz, 0.7A

For more information, visit www.desatech.com

108796-01E

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Desa VM36E(B, VM42E(B installation manual Service Hints, Technical Service, Wiring Diagram, Replacement Parts