Direct-vent fireplace (natural/propane/lp), Bhdv34nb and bhdv34pb, Service hints – Vanguard Managed Solutions BHDV34PB User Manual

Page 32: Technical service, Replacement parts, Wiring diagram

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32

106516

DIRECT-VENT FIREPLACE (NATURAL/PROPANE/LP)

®

BHDV34NB AND BHDV34PB

SERVICE HINTS

When Gas Pressure Is Too Low

• pilot will not stay lit

• burners will have delayed ignition

• fireplace will not produce specified heat

• propane/LP gas supply might be low

(propane/LP units only)

When Gas Quality Is Bad

• pilot will not stay lit

• burners will produce flames and soot

• fireplace will backfire when lit

If you feel your gas pressure is too low or gas
quality is bad, contact your local natural or
propane/LP gas supplier.

TECHNICAL
SERVICE

You may have further questions about in-
stallation, operation, or troubleshooting. If
so, contact DESA International’s Technical
Service Department at 1-800-DESA LOG
(1-800-337-2564).

You can also visit DESA International’s
technical service web site at

www.desatech.com

.

REPLACEMENT
PARTS

Figure 61 - Blower Wiring Diagram for Thermostat-Controlled Models

WIRING DIAGRAM

CAUTION: Label all wires prior

to disconnection when servicing
controls. Wiring errors can cause
improper and dangerous opera-
tion. Verify proper operation af-
ter servicing.

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 not supply original replacement
part(s), call DESA International’s Technical
Service Department at 1-800-DESA LOG
(1-800-337-2564).

When calling DESA International, 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 defec-
tive part to the factory.

PARTS NOT UNDER
WARRANTY

Contact authorized dealers of this product.
If they can not supply original replacement
part(s), call DESA International’s Parts De-
partment at 1-800-972-7879 for referral in-
formation.

When calling DESA International, have ready

• model number of your fireplace

• the replacement part number

Blue

Variable

Fan Switch

Fan Switch

(N.O.)

Green

White

On

110/115

V.A.C.

Blower

Motor

Black

Off

1

2

Black

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