Specifications; Replacement Parts; Wiring Diagram; Service Hints - Desa CFS18NR Owner's Operation And Installation Manual

DESA INTERNATIONAL
UNVENTED NATURAL GAS LOG HEATER

SPECIFICATIONS

Btu (Variable)
Type Gas
Only
Ignition
Manifold Pressure
Inlet Gas
Pressure (in. of water)
Maximum
Minimum*
Shipping Weight
* For purpose of input adjustment

WIRING DIAGRAM

Black
On
Off Receiver
Red
Remote
Red
Thermopile
White

SERVICE HINTS

When Gas Pressure Is Too Low
• pilot will not stay lit
• burners will have delayed ignition
• heater will not produce specified heat
When Gas Quality Is Bad
• pilot will not stay lit
• burners will produce flames and soot
• heater will backfire when lit
You may feel your gas pressure is too low or
gas quality is bad. If so, contact your local
natural gas supplier.
18" Variable 24" Variable
16,000/26,000 20,000/33,000
Natural Gas Only Natural Gas Only Natural Gas
Piezo Piezo
3.4" W.C. 3.4" W.C.
10.5" 10.5"
5" 5"
32 lbs. 34 lbs.
TPTH
Gas Control
TPTH TP
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
www.desatech.com.
30" Variable
21,500/36,000
Piezo
3.4" W.C.
10.5"
5"
36 lbs.
TH
services web site
22
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 Techni-
cal Service Department at 1-800-323-5190.
When calling DESA International, have ready
• your name
• your address
• model number of your heater
• how heater was malfunctioning
• type of gas used (propane 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't supply original replacement part(s),
call DESA International's Parts Department
at 1-800-972-7879 for referral information.
When calling DESA International, have ready
• model number of your heater
• the replacement part number
at
103449