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15

104332

OWNER’S MANUAL

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TROUBLESHOOTING

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OBSERVED PROBLEM

Burner does not light after ODS/pilot is lit

Delayed ignition of burner

Burner backfiring during combustion

Yellow flame during burner combustion

Slight smoke or odor during initial operation

Heater produces a whistling noise when
burner is lit

REMEDY

1. Clean burner (see Cleaning and Mainte-

nance, page 13) or replace burner orifice

2. Replace burner orifice
3. Contact local propane/LP gas company

1. Contact local propane/LP gas company
2. Clean burner (see Cleaning and Mainte-

nance, page 13) or replace burner orifice

1. Clean burner (see Cleaning and Mainte-

nance, page 13) or replace burner orifice

2. Replace burner
3. Replace gas regulator

1. Check burner for dirt and debris. If

found, clean burner (see Cleaning and
Maintenance
, page 13)

2. Replace gas regulator

1. Problem will stop after a few hours of

operation

1. Turn control knob to LO position and

let warm up for a minute

2. Operate burner until air is removed from

line. Have gas line checked by local pro-
pane/LP gas company

3. Observe minimum installation clear-

ances (see Figure 4, page 7)

4. Clean burner (see Cleaning and Mainte-

nance, page 13) or replace burner orifice

POSSIBLE CAUSE

1. Burner orifice is clogged

2. Burner orifice diameter is too small
3. Inlet gas pressure is too low

1. Manifold pressure is too low
2. Burner orifice is clogged

1. Burner orifice is clogged or damaged

2. Burner damaged
3. Gas regulator defective

1. Not enough air

2. Gas regulator defective

1. Residues from manufacturing processes

1. Turning control knob to HI position

when burner is cold

2. Air in gas line

3. Air passageways on heater blocked

4. Dirty or partially clogged burner orifice

www.desatech.com

Summary of Contents for CGP20TB

Page 1: ...ence CGP20TB CGP20TLB CGP30TB CGP30TLB 20 000 Btu Hr Thermostat and 30 000 Btu Hr Thermostat Model Heaters WARNING Improper installa tion adjustment alteration ser vice or maintenance can cause injury...

Page 2: ...can be dangerous 4 This heater shall not be installed in a bedroom or bathroom 5 This heater needs fresh outside air ven tilation to run properly This heater has an Oxygen Depletion Sensing ODS safety...

Page 3: ...shipment 3 Check heater for any shipping damage If heater is damaged promptly inform dealer where you bought heater PRODUCT FEATURES SAFETY DEVICE This heater has a pilot with an Oxygen Depletion Sen...

Page 4: ...ing only iftherearedoorlesspassagewaysorventila tion grills between them PROVIDING ADEQUATE VENTILATION The following are excerpts from National Fuel Gas Code NFPA 54 ANS Z223 1 Sec tion5 3 AirforComb...

Page 5: ...include direct vent gas appliances Direct vent draws combustion air from the outdoors and vents to the outdoors 4 Compare the maximum Btu Hr the space can support with the actual amount of Btu Hr used...

Page 6: ...igure 2 Ventilation Air from Inside Building WARNING Rework work sheet adding the space of the adjoining unconfined space The combined spaces must have enough fresh air to supply all appliances in bot...

Page 7: ...N This heater cre ates warm air currents These currents move heat to wall sur faces next to heater Installing heater next to vinyl or cloth wall coverings or operating heater where impurities such as...

Page 8: ...ng bracket to wall in one of two ways 1 Attaching to wall stud 2 Attaching to wall anchor Removing Front Panel Of Heater 1 Remove two screws near bottom cor ners of front panel 2 Liftstraightupongrill...

Page 9: ...l mounting bracket is firmly fastened to wall Figure 9 Folding Anchor INSTALLATION Continued Figure 10 Popping Open Anchor Wings For Thin Walls Stand Out Tab Figure 11 Mounting Heater Onto Mounting Br...

Page 10: ...un properly IMPORTANT Holdpressureregulatorwith wrench when connecting it to gas piping and or fittings CAUTION Never connect heater directly to the propane LP supply This heater requires an external...

Page 11: ...ppliance area for gas Be sure to smell next to the floor because some gas is heavier than air and will settle on the floor WHATTODOIFYOUSMELLGAS Do not try to light any appliance Do not touch any elec...

Page 12: ...ol knob Note If pilot goes out repeat steps 3 through 7 This heater has a safety interlock system Wait one 1 minute before lighting pilot again 8 Turn control knob counterclockwise C clockwise to desi...

Page 13: ...an WARNING Turn off heater and let cool before cleaning CAUTION You must keep control areas burner and circu lating air passageways of heater clean Inspect these areas of heater before each use Have h...

Page 14: ...d REMEDY 1 Replace ignitor 2 Replace ignitor 3 Reconnect ignitor cable 4 Free ignitor cable if pinched by any metal or tubing Keep ignitor cable dry 5 Tighten nut holding piezo ignitor to heater cabin...

Page 15: ...ound clean burner see Cleaning and Maintenance page 13 2 Replace gas regulator 1 Problem will stop after a few hours of operation 1 Turn control knob to LO position and let warm up for a minute 2 Oper...

Page 16: ...se just after burner is lit or shut off Heater produces unwanted odors Heater shuts off in use ODS operates Gas odor even when control knob is in OFF position Gas odor during combustion Moisture conde...

Page 17: ...may be low When Gas Quality Is Bad pilot will not stay lit burner will produce flames and soot heater will backfire when lit Youmayfeelyourgaspressureistoolowor gas quality is bad If so contact your l...

Page 18: ...ted on the back page of this manual FLOOR MOUNTING STAND 20 000 Btu Hr Models CGP20TLB GA4500L Ivory CGP20TB GA4500 Champagne 30 000 Btu Hr Models CGP30TLB GA4510L Ivory CGP30TB GA4510 Champagne For l...

Page 19: ...ww nbmc com Washer Equipment Co 1715 Main Street Kansas City MO 64108 2195 KS MO AR 816 842 3911 www washerparts com East Coast Energy Products 707 Broadway W Long Branch NJ 07764 1542 732 870 8809 1...

Page 20: ...20 104332 BLUE FLAME PROPANE LP HEATER 11 1 11 2 CGP20TB CGP20TLB CGP30TB CGP30TLB ILLUSTRATED PARTS BREAKDOWN 1 2 3 4 5 6 7 8 9 10 10 11 12 13 14 16 18 19 20 21 22 15 23 24 17 7...

Page 21: ...Cable 1 10 098249 01 098249 01 Nut M5 2 11 103594 04 103594 04 Pilot ODS 1 11 1 098514 01 098514 01 Thermocouple 1 11 2 106842 01 106842 01 Ignitor Electrode 1 12 103446 01 103447 01 Burner 1 13 0993...

Page 22: ...the unit This warranty does not apply to parts that are not in original condition because of normal wear and tear or parts that fail or become damaged as a result of misuse accidents lack of proper m...

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