Specifications, Wiring diagram, Technical service – Desa Tech CCL3018NR User Manual
Page 32: Service hints

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SPECIFICATIONS
CCL3924PR
CCL3018PR
CCL3924PRA
CCL3930PR
CCL3018PRA
CHL3924PR
CCL3930PRA
Btu (Variable)
16,000/30,000
20,000/39,000
20,000/39,000
Type Gas
Propane/LP
Propane/LP
Propane/LP
Ignition
Piezo
Piezo
Piezo
Manifold Pressure
8.0" W.C.
8.0" W.C.
8.0" W.C.
Inlet Gas Pressure (in. of water)
Maximum
14"
14"
14"
Minimum*
11"
11"
11"
Shipping Weight
28 lbs.
66 lbs.
70 lbs.
* For the purpose of input adjustment
CCL3924NR
CCL3018NR
CCL3924NRA
CCL3930NR
CCL3018NRA
CHL3924NR
CCL3930NRA
Btu (Variable)
16,000/30,000
20,000/39,000
20,000/39,000
Type Gas
Natural Gas
Natural Gas
Natural Gas
Ignition
Piezo
Piezo
Piezo
Manifold Pressure
3.5" W.C.
3.5" W.C.
3.5" W.C.
Inlet Gas Pressure (in. of water)
Maximum
10.5"
10.5"
10.5"
Minimum*
5"
5"
5"
Shipping Weight
28 lbs.
66 lbs.
70 lbs.
* For the purpose of input adjustment
WIRING DIAGRAM
Receiver
Black
On
Off
Remote
Red
Red
White
Thermopile
Gas Control
TPTH
TH
TPTH TP
TECHNICAL SERVICE
You may have further questions about installation,
operation, or troubleshooting. If so, contact DESA
Heating Products’ 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 Heating Products’ tech-
nical service web site at www.desatech.com.
SERVICE HINTS
When Gas Pressure Is Too Low
• pilot will not stay lit
• burners will have delayed ignition
• heater will not produce specified heat
• propane/LP gas supply may be low
You may feel your gas pressure is too low. If so,
contact your local propane/LP gas supplier.