Comfort Glow CSM2618NR Owner'S Manual Download Page 23

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120163-01A

POSSIBLE CAUSE

1. Control knob not fully pressed in

2. Control knob not pressed in

long enough

3. Safety interlock system has

been triggered

4. Equipment shutoff valve not

fully open

5. Pilot flame not touching ther-

mocouple, which allows ther-

mocouple to cool, causing pilot

flame to go out. This problem

could be caused by one or both

of the following:

A) Low gas pressure

B) Dirty or partially clogged

ODS/pilot

6. Thermocouple connection

loose at control valve

7. Thermocouple damaged

8. Control valve damaged

1. Inlet gas pressure is too low

2. Burner orifice(s) clogged

3. Mislocated crossover tube

4. Remote selector in OFF posi-

tion

5. Wire disconnected from gas

control

1. Manifold pressure is too low

2. Burner orifice(s) clogged

1. Burner orifice is clogged or

damaged

2. Damaged burner

3. Gas regulator defective

REMEDY

1. Press in control knob fully

2. After ODS/pilot lights, keep

control knob pressed in 30

seconds

3. Wait one minute for safety in-

terlock system to reset. Repeat

ignition operation

4. Fully open equipment shutoff

valve

5. A) Contact local natural or

propane/LP gas company

B) Clean ODS/pilot (see

Cleaning and Maintenance

page 20) or replace ODS/pilot

assembly

6. Hand tighten until snug, then

tighten 1/4 turn more

7. Replace pilot assembly

8. Replace control valve

1. Contact local natural or pro-

pane/LP gas company

2. Clean burner(s) (see

Cleaning

and Maintenance

, page 20) or

replace burner orifice(s)

3. Contact qualified service person

4. Put remote selector in ON

position

5. See

Wiring Diagram

, page 21

1. Contact local natural or pro-

pane/LP gas company

2. Clean burner(s) (see

Cleaning

and Maintenance

, page 20) or

replace burner orifice(s)

1. Clean burner (see

Cleaning

and Maintenance

, page 20)

or replace burner orifice

2. Replace damaged burner

3. Replace gas regulator

OBSERVED PROBLEM

ODS/pilot lights but flame goes

out when control knob is re-

leased

Burner does not light after ODS/

pilot is lit

Delayed ignition of burner

Burner backfiring during com-

bustion

TROUbLESHOOTING

Continued

Summary of Contents for CSM2618NR

Page 1: ...al switch do not use any phone in your building Immediatelycallyourgassupplierfromaneighbor s phone Follow the gas supplier s instructions If you cannot reach your gas supplier call the fire departmen...

Page 2: ...ce with ANSIZ21 11 2 Exception Donot install this appliance in a fac tory builtfireplacethatincludes instructions stating it has not been tested or should not be used with unvented gas logs WARNING Th...

Page 3: ...ns toblowdirectlyintothefireplace Avoidanydraftsthatalterburner flame patterns Ceiling fans can create drafts that alter burner flame patterns Altered burner patterns can cause sooting WARNING Do not...

Page 4: ...these products may create a white powder residue within the burner box or on adjacent walls and furniture 9 This heater needs fresh outside air ventilation to run properly this heater has an Oxygen De...

Page 5: ...in the Commonwealth of Massachusetts Product Features OPERATION This heater is clean burning It requires no outside venting There is no heat loss out a vent or up a chimney Heat is generated by both r...

Page 6: ...l Gas Code ANSI Z223 1 NFPA 54 defines a confined space as a space whose vol ume is less than 50 cubic feet per 1 000 Btu per hour 4 8 m3 per kw of the aggregate input rating of all appliances install...

Page 7: ...hodsdescribed in the National Fuel Gas Code ANSIZ223 1 NFPA54Section5 3 or applicable local codes VENTILATION AIR Ventilation Air From Inside Building This fresh air would come from an adjoining un co...

Page 8: ...NING Seal any fresh air vents or ash clean out doors located on floor or wall of fire place If not drafting may cause pilot outage or sooting Use a heat resistant sealant Do not seal chimney flue damp...

Page 9: ...IREPLACE CLEARANCE TO COMBUSTIBLE MATERIALS SIDE WALL 16 CEILING 42 FLOOR 5 LOG SIZING REQUIREMENTS MINIMUM FIREBOX SIZE LOG SIZE HEIGHT DEPTH FRONT WIDTH REAR WIDTH 18 18 14 30 20 5 24 18 14 35 24 5...

Page 10: ...Figure 6 are not met you must have a hood When using a hood there are still certain minimum mantel clearances required Follow minimum clearances shown in Figure 7 when using hood Figure 6 Minimum Mant...

Page 11: ...ON Note When used as a vented decorative appliance must be installed only in a solid fuel burning fireplace with a working flue and constructed of noncombustible material For Massachusetts Residents O...

Page 12: ...s needed You must raise the fireplace floor to allow access to heater control panel This will insure adequate air flow and guard against sooting Raise fireplacefloorwithnoncombus tiblematerial Makesur...

Page 13: ...Tank External Regulator Figure 13 External Regulator With Vent Pointing Down Vent Pointing Down For propane LP units the installer must supply an external regulator The external regulator will reduce...

Page 14: ...pply piping system Apply noncorrosive leak detection fluid to all joints Bubbles forming show a leak 5 Correct all leaks at once 6 Reconnect heater and equipment shutoff valve to gas supply Check reco...

Page 15: ...ints Bubbles forming show a leak 5 Correct all leaks at once 6 Light heater see Operating Heater page 16 Check all other internal joints for leaks 7 Turn off heater Equipment Shutoff Valve Open Closed...

Page 16: ...lly within one minute when the switch is in the ON position after the pilot is lit 5 Wait five 5 minutes to clear out any gas Then smell for gas including near the floor If you smell gas STOP Follow B...

Page 17: ...Figure 15 page 15 MANUAL LIGHTING PROCEDURE 1 Follow steps 1 through 6 under Lighting Instructions page 16 2 Depress control knob and light pilot with match 3 Keep control knob pressed in for30 second...

Page 18: ...ime or as a child safety feature to prevent accidental ignition of the fireplace the receiver ON OFF REMOTE switch should be in the OFF position Auto Shutoff Feature 1 If the average room temperature...

Page 19: ...yellow color yellow decorative flames are visible as the flames exit the log set The base of the log set and the underside of the top logs glow red Natural gas models will burn with more blue flame wh...

Page 20: ...can please follow the directions on the can If you don t follow directions on the can you could damage the pilot assembly 1 Shut off the unit including the pilot Allow the unit to cool for at least t...

Page 21: ...pe Propane LP Only Ignition Piezo Manifold Pressure 10 6 3 W C Inlet Gas Pressure in of water Maximum 14 W C Minimum 11 W C For purpose of input adjustment Manufactured by DESA 1769 E Lawrence St Russ...

Page 22: ...ne LP only 6 ODS pilot is clogged 7 Gas regulator setting is not correct REMEDY 1 Reconnect ignitor cable 2 Free ignitor cable if pinched by any metal or tubing Keep ignitor cable dry 3 Tightennuthold...

Page 23: ...rol knob pressed in 30 seconds 3 Wait one minute for safety in terlock system to reset Repeat ignition operation 4 Fully open equipment shutoff valve 5 A Contact local natural or propane LP gas compan...

Page 24: ...2 Operate burners until air is removed from line Have gas line checked by local natural or propane LP gas company 3 Observe minimum instal lation clearances see pages 9 through 12 4 Clean burners see...

Page 25: ...logged 1 Gas leak See warning statement at top of page 2 Control valve or gas control defective 1 Foreign matter between con trol valve and burner 2 Gas leak See warning statement at top of page 1 Han...

Page 26: ...eater the replacement part number EQUIPMENT SHUTOFF VALVE GA5010 For all models Equipment shutoff valve with 1 8 NPT tap Fits 1 2 NPT pipe FIREPLACE HOOD Black GA6050 Brass GA6052 Antique Brass GA6053...

Page 27: ...r log pieces Control Cover Media Kit cc100 For all models This kit is used as an addition to or instead of the Floor Media Kit FM100 It includes 6 fiber log chunks to be placed on the fireplace floor...

Page 28: ...www desatech com 120163 01A 28 Illustrated Parts Breakdown Models CSM2618NR CSM2618PR CSM3624NR and CSM3624PR 1 4 5 3a 3b 6 9 11 2 12 13 16 18 8 19 22 7 10 20 17 14 15...

Page 29: ...pter 1 9 111804 01 Burner 1 111804 03 Burner 1 10 111819 04 Orifice 1 111819 05 Orifice 1 111819 14 Orifice 1 111819 15 Orifice 1 11 111807 01 Valve 1 111807 02 Valve 1 12 111796 01 Valve Bracket 1 13...

Page 30: ..._____________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ _____...

Page 31: ..._____________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ _____...

Page 32: ...odes and instructions furnished with 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...

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