Firewerks VFRMV18NB Owner'S Operation And Installation Manual Download Page 23

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116412-01C

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 VFRMV18NB

Page 1: ...y phone in your building Immediatelycallyourgassupplierfromaneighbor s phone Follow the gas supplier s instructions If you cannot reach your gas supplier call the fire department Installation and serv...

Page 2: ...in which it is installed Provi sions for adequate combustion and ventilation air must be provided Refer to Air for Combustion and Ventilation section on page 6 of this manual This appliance may be in...

Page 3: ...manual for reference It is your guide to safe and proper operation of this log set WARNING Any change to this log set or its controls can be dangerous WARNING Do not use a blower insert heat exchanger...

Page 4: ...er SAFETY INFORMATION Continued 7 Topreventthecreationofsoot followtheinstruc tions in Cleaning and Maintenance page 20 8 Before using furniture polish wax carpet cleaner or similar products turn heat...

Page 5: ...four optional remote controls that can be purchased separately Wall switch Hand held ON OFF remote Wall thermostat Hand held thermostat remote See Accessories page 26 Thewallthermostatorhand heldtherm...

Page 6: ...ide additional fresh air Unusually tight construction is defined as construction where a Walls and ceilings exposed to the out side atmosphere have a continuous water vapor retarder with a rating of o...

Page 7: ...ON Continued The space in the previous example is a confined space because the actual Btu Hr used is more than the maximum Btu Hr the space can support You must provide additional fresh air Your optio...

Page 8: ...ion Grills Into Adjoining Room Option 2 Ventilation Grills Into Adjoining Room Option 1 12 12 Installation NOTICE This heater is intended for use as supplemental heat Use this heater along with your p...

Page 9: ...ane LP for your unit If your gas supply is not correct do not install in fireplace Call dealer where you bought the appliance for proper type of appliance Installation Continued WARNING This appliance...

Page 10: ...al A Figure 5 Heat Resistant Material Slate Marble Tile etc Above Fireplace If Using Mantel Youmusthavenoncombustiblematerial s abovethe fireplace opening Noncombustible materials such as slate marble...

Page 11: ...inimum clearances shown in this manual Notice Ifyourinstallationdoes not meet the minimum clear ances shown you must do one of the following operate the logs only with the flue damper open and damper...

Page 12: ...damper clamp will keep damper open Installation instructions are included with clamp accessory Figure 10 Attaching Damper Clamp Damper Damper Clamp Damper Manufactured Fireplace Masonry Fireplace Damp...

Page 13: ...l codes Propane LP Supply Tank External Regulator Figure 13 External Regulator With Vent Pointing Down Vent Pointing Down CAUTION Never connect propane LP fireplace directly to the propane LP supply T...

Page 14: ...lve from your dealer See Accessories page 26 Minimum inlet pressure for purpose of input adjustment Figure 14 Gas Connection Remote Ready Models Only To Gas Control Valve 3 Minimum Sediment Trap Propa...

Page 15: ...as or opening main gas valve located on or near gas meter for natural gas or using compressed air 3 Check all joints from gas meter to equipment shutoff valve for natural gas or propane LPsup ply to e...

Page 16: ...r Immediately call a qualified service technician to inspect the appliance and to replace any part of the control system and any gas control which has been under water LIGHTING INSTRUCTIONS WARNING If...

Page 17: ...knob If control knob does not pop out when released contact a qualified service person or gas supplier for repairs Note If pilot goes out repeat steps 4 through 8 OPERATING HEATER Continued Figure 18...

Page 18: ...ration On Off Series Model HRC100 Hold the control button on the hand held remote until burner turns on Hold the con trol button again until burner turns off see Figure 21 To Lock press both buttons o...

Page 19: ...G HEATER Continued Key Pad Lock Feature This feature allows the user to lock unlock the keypad on the hand held remote in the MANU or AUTO mode to prevent inadvertent operation i e children operating...

Page 20: ...keep control areas burners and circulating air passageways of heater clean Inspect these areas of heater before each use Have heater inspected yearly by a qualified service person Heater may need mor...

Page 21: ...th the unit off lightly blow air through the air inlet hole in the same direction as gas flow You may blow through a drinking straw if compressed air is not available This hole is accessible from the...

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: ...rgaspressureistoolow Ifso con tact your local propane LP or natural gas supplier Accessories Purchase these heater accessories from your local dealer If they can not supply these accessories call DESA...

Page 27: ...6CA FB42C SERIES CIRCULATING FB36NCA FB42NC SERIES NON CIRCULATING blower Not Shown For all models DAMPER CLAMP GA6080 Not Shown For all models Permanently opens chimney flue damper for vented operati...

Page 28: ...www desatech com 116412 01C 28 Illustrated Parts Breakdown Models VFRMV18NB VFRMV18PB VFRMV24NB Shown and VFRMV24PB 1 4 5 3a 3b 6 9 11 2 12 13 16 18 8 19 22 7 10 20 17 14 15...

Page 29: ...3 8 1 8 14396 Adapter 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 V...

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

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

Page 32: ...er in accordance with all local codes 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 fa...

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Firewerks VFRMV18NB, Owner'S Operation And Installation Manual

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