Desa HDCFTP Gas regulator defective Nance, Replace gas regulator, Air passageways on ﬁreplace

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TROUBLESHOOTING

Continued

OBSERVED PROBLEM	POSSIBLE CAUSE		REMEDY

Yellow flame during burner	1.	Not enough air	1.	Check burner for dirt and
combustion				debris. If found, clean burner
				(see Cleaning and Mainte-
	2.	Gas regulator defective		nance, page 22)
	2.	Gas regulator defective	2.	Replace gas regulator

Slight smoke or odor during initial	1.	Residues from manufacturing	1.	Problem will stop after a few
operation		processes		hours of operation

Fireplace produces a whistling	1.	Turning control knob to HI	1.	Turn control knob to LO
noise when burner is lit		position when burner is cold		position and let warm up for
	2.	Air in gas line		a minute
	2.	Air in gas line	2.	Operate burner until air is
				removed from line. Have gas
	3.	Air passageways on ﬁreplace		line checked by local propane/
	3.	Air passageways on ﬁreplace		LP gas company
		blocked	3.	Observe minimum installation
	4.	Dirty or partially clogged		clearances (see Figures 7 and
	4.	Dirty or partially clogged		8, page 9)
		burner oriﬁce	4.	Clean burner (see Cleaning
				and Maintenance, page 22)
				or replace burner oriﬁce

White powder residue forming	1.	When heated, vapors from	1.	Turn heater off when using
within burner box or on adjacent		furniture polish, wax, carpet		furniture polish, wax, carpet
walls or furniture		cleaners, etc. may turn into		cleaners, or similar products
		white powder residue

111044-01E

www.desatech.com

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Contents HDCFTP, HDCFTN, Cgcftp and Cgcftn Shown with Optional Cabinet Mantel/Hearth Base Accessory14,000 to 26,000 Btu/Hr with Thermostat Table of Contents Safety Information Product Information Local CodesProvide adequate clearances around air openings Assembly Product FeaturesUnpacking Assembling Hood Providing Adequate VentilationDetermining FRESH-AIR Flow for Heater Location AIR for Combustion VentilationConﬁned and Unconﬁned Space Determining if You Have a Conﬁned or Unconﬁned SpaceVentilation AIR InstallationVentilation Air From Inside Building Ventilation Air From OutdoorsCheck GAS Type Installation ItemsLocating Fireplace Rough Opening for Installing Wall BUILT-IN Fireplace InstallationAttaching Fireplace to Wall Studs If you have not assembled ﬁrebox, follow instructions onOptional Mantel Installation Mantel Clearances for BUILT- in InstallationRemoving Upper Louver Assembly Installing Blower AccessoryRemoving Valve Cover Shield Removing Valve Cover ShieldFor Built-In Installation Installing Switch Plate to Valve Cover ShieldAttaching Wood Base to Solid Floor Connecting to GAS SupplyExtension Cord Installation Items Needed Connecting Equipment Shutoff Valve to Heater ControlTest Pressures In Excess Of 1/2 Psig 3.5 kPa Checking GAS ConnectionsTest Pressures Equal To or Less Than 1/2 Psig 3.5 kPa Read Before Lighting For Your SafetyEquipment Shutoff Valve Propane/LPLighting Instructions Operating FireplaceTo Turn OFF GAS To Appliance Shutting Off FireplaceInspecting Burner Manual Lighting ProcedureThermostat Control Operation Burner Flame PatternBurner Injector Holder and Pilot AIR Inlet Hole Cleaning MaintenanceCabinet Air PassagewaysObserved Problem Possible Cause Remedy TroubleshootingDelayed ignition of burner Manifold pressure is too low Out when control knob is reODS/pilot lights but ﬂame goes Press in control knob fullyWalls or furniture Cleaners, etc. may turn into Burner oriﬁce Clean burner see CleaningGas regulator defective Nance, Replace gas regulator Air in gas line Minute Operate burner until air isGas leak. See Warning Replacement Parts SpecificationsService Hints Technical ServiceModels Cgcftp and Cgcftn Illustrated Parts BreakdownPart Number KEY Hdcftp Hdcftn Cgcftp Cgcftn Description QTY Parts ListAccessories FBD Parts CentralsKeep this Warranty Warranty InformationLimited Warranty VENT-FREE Compact Fireplace