Desa HCA-24-RFP, HCA-18-RFN, HCA-18-RFP, HCA-24-RFN Specifications, Wiring Diagram

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SPECIFICATIONS

	HCA-24-RFN	HCA-24-RFP	HCA-18-RFN	HCA-18-RFP
	HCM-24-RFN	HCM-24-RFP	HCM-18-RFN	HCM-18-RFP
	HKE-24-RFN	HKE-24-RFP	HKE-18-RFN	HKE-18-RFP
Btu (Variable)	45,000/67,000	43,000/65,000	41,000/56,000	42,000/51,000
Type Gas	Natural Gas Only	Propane/LP Only	Natural Gas Only	Propane/LP Only
Ignition	Piezo	Piezo	Piezo	Piezo
Manifold Pressure	3.5" - 1.6"W.C.	10" - 6.3"W.C.	3.5" - 1.6"W.C.	10" - 6.3"W.C.
Inlet Gas Pressure (in. of water)
Maximum	10.5" W.C.	13" W.C.	10.5" W.C.	13" W.C.
Minimum*	5.0" W.C.	11" W.C.	5.0" W.C.	11" W.C.
Valve Operation	RF Millivolt	RF Millivolt	RF Millivolt	RF Millivolt
Oriﬁce Size	#21	#42	#28	#45

* For purpose of input adjustment

WIRING DIAGRAM

REMOTE CONTROL (MILLIVOLT)

	Outlet	Inlet	Piezo
	Pressure	Pressure	Piezo
	Pressure	Pressure
	Tap	Tap
			Pilot Tube

Pilot

Burner

Assembly

Local and	Gas Control
Remote Switch	Knob
POWER SUPPLY. PROVIDE
DISCONNECT MEANS AND
OVERLOAD PROTECTION AS
REQUIRED.

	Pilot	Thermopile
	Pilot	Leadwires
	Adjustment	Leadwires
	Adjustment
	Screw

Figure 16 - Millivolt System Wiring Diagram

115481-01A

www.desatech.com

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Image 15

Contents HCA-24-RFP HCM-24-RFP What to do if YOU Smell GASTable of Contents Safety Information Provide adequate clearances around air openings Local CodesProduct Identification High trafﬁc areas Windy or drafty areasGeneral Information InstallationFlue Opening Specifications UnpackingPlacement of Appliance Venting Specifications forInstallation Installing Damper ClampTest Pressures In Excess Of 1/2 Psig 3.5 kPa Checking GAS ConnectionsNatural From Gas Meter 5 W.C.** to 10.5 W.C. Pressure Propane/LPLava rock to be used in , Placement of Floor MediaTest Pressures Equal To or Less Than 1/2 Psig 3.5 kPa Correct all leaks at onceOperating Appliance Floor Media Kits InstalledLighting Instructions For Your Safety Read Before LightingUsing Transmitter Remote Operating HeaterShut Off Main Burner Without Remote Shut Off Main Burner Using RemoteInspecting Burners To Turn OFF GAS To ApplianceCleaning Maintenance Technical ServiceReplacement Parts Troubleshooting Observed Problem Possible Cause RemedyNo. of Blinks Service Action Out Problem Or blowing high causingWiring Diagram SpecificationsIllustrated Parts Breakdown Parts List Damper Clamp GA6080 AccessoriesEquipment Shutoff Valve GA5010 Fireplace Hood115481-01A Warranty Information Keep this WarrantyLimited Warranty VENT-FREE Firebox