Vanguard Heating 107156-01E.pdf User Manual

Page of 38
107156-01E
For more information, visit www.desatech.com
For more information, visit www.desatech.com
23
23
Btu (Low/High)
20,000/28,000
Type Gas
Propane/LP Gas Only
Ignition
Piezo
Manifold Pressure
7.9" W.C.
Inlet Gas Pressure
(in. of water)
Maximum
14"
Minimum
11"
Shipping Weight
100 lbs. T-stat Model
97 lbs. Manual Model
SPECIFICATIONS
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 International’s Technical
Service Department at 1-866-672-6040.
When calling DESA International, have ready
• your name
• your address
• model and serial numbers of your fireplace
• how fireplace was malfunctioning
• tupe 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 International at 1-866-672-6040 for
referral information.
When calling DESA International, have ready
• model number of your fireplace
• the replacement part number
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
You may feel your gas pressure is too low. If so, contact your local
propane/LP gas supplier.
TECHNICAL SERVICE
You may have further questions about installation, operation, or
troubleshooting. If so, contact DESA International’s Technical
Service Department at 1-866-672-6040. When calling, please have
your model and serial numbers of your heater ready.
You can also visit DESA International’s technical services web site
at 
www.desatech.com.
WIRING DIAGRAM
Red
Variable
Fan Switch
Fan Switch
(N.O.)
Green
White
On
110/115 
V.A.C.
Blower
Motor
Black 
Off
1
2
Black
Blue
Figure 38 - Blower Wiring Diagram for Thermostat-Controlled
Models
 CAUTION: Label all wires prior to disconnection
when servicing controls. Wiring errors can cause
improper and dangerous operation. Verify proper
operation after servicing.
TECHNICAL SERVICE
SERVICE HINTS
REPLACEMENT PARTS
WIRING DIAGRAM
SPECIFICATIONS