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115481-01A
15
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
Outlet
Pressure
Tap
Inlet
Pressure
Tap
Piezo
Gas Control
Knob
Pilot
Adjustment
Screw
Pilot
Burner
Assembly
Pilot Tube
Thermopile
Leadwires
Local and
Remote Switch
REMOTE CONTROL
(MILLIVOLT)
POWER SUPPLY. PROVIDE
DISCONNECT MEANS AND
OVERLOAD PROTECTION AS
REQUIRED.
Figure 16 - Millivolt System Wiring Diagram