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www.desatech.com

114925-01B

12

CLEANING AND 

MAINTENANCE

 WARNING: Turn off the ap-

pliance and allow to cool before 

cleaning.

  CAUTION:  You  must  keep 

control  areas,  burners  and  cir-

culating air passageways of fire-

place clean. Inspect these areas 

of fireplace before each use. Have 

fireplace  and  chimney  (if  appli-

cable) inspected yearly by a quali-

fied service person. Fireplace may 

need more frequent cleaning due 

to excessive lint from carpeting, 

bedding material, etc.

Only limited cleaning will be required under nor-

mal use of this appliance. Dust the front grate and 

top of receiver/valve. Do not use cleaning fluids to 

clean logs or any other part of the appliance.
If, after a period of use, the flames start to exhibit 

unusual shapes and behavior or the burner fails to 

ignite smoothly, then the burner holes may require 

some cleaning. If this happens, we recommend 

that you contact your nearest authorized service 

technician to get the appliance serviced.

•  Keep area around log set clean and clear of 

debris.

•  Periodically inspect the air mixer and burner 

tube for foreign matter blocking the air inlet 

and flame holes.

•  Once every year a qualified agency or certified 

chimney sweep should examine and clean the 

venting system of the fireplace.

SERVICE HINTS

When Gas Pressure is Too Low

•  pilot will not stay lit
•  burners will have delayed ignition
•  propane/LP gas supply may be low
You  may  feel  your  gas  pressure  is  too  low.  If 

so, contact your local propane/LP or natural gas 

supplier.

TECHNICAL SERVICE

You may have further questions about installation, 

operation or troubleshooting. If so, contact DESAʼs 

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 DESAʼs technical services web 

site at 

www.desatech.com.

REPLACEMENT PARTS

Note:

 Use only original replacement parts. This 

will  protect  your  warranty  coverage  for  parts 

replaced under warranty. 

PARTS UNDER WARRANTY

Contact authorized dealers of this product. If they 

canʼt supply original replacement part(s), call DESAʼs 

Technical Service Department at 1-866-672-6040. 

When calling DESA, have ready
•  your name and address
•  model and serial numbers of your log set 
•  how log set was malfunctioning
•  type of gas used (propane/LP or natural gas)
•  purchase date
Usually, we will ask you to return the part to the 

factory.

PARTS NOT UNDER WARRANTY

Contact authorized dealers of this product. If they 

canʼt  supply  original  replacement  part(s),  call 

DESA at 1-866-672-6040 for referral information. 

When calling DESA, have ready
•  model number of your log set 
•  the replacement part number

Figure 18 - Incorrect Burner Flame 

Pattern

INSPECTING BURNERS

Continued

If burner flame pattern is incorrect, as shown in 

Figure 18.
•  turn appliance off (see 

To Turn Off Gas to Ap-

pliance

, page 10)

•  see 

Troubleshooting,

 page 13

Dark 
Orange 
Flames

Содержание Firewerks MPF18VNA

Страница 1: ...any other appliance WHAT TO DO IF YOU SMELL GAS Do not try to light any appliance Do not touch any electrical switch do not use any phone in your building Immediatelycallyourgassupplierfromaneighbor...

Страница 2: ...33 1 NFPA 54 Section 5 3 Air for Combustion and Ventilation This appliance may be installed in an aftermarket per manently located manufactured mobile home where not prohibited by local codes This app...

Страница 3: ...ent even though no odor exists Make certain you read and understand all warnings Keep this manual for reference It is your guide to safe and proper operation of this log set WARNING Do not place log s...

Страница 4: ...s provided by other means screens shall have openings for introduction of combustion air 8 Toreducethecreationofsoot followtheinstruc tions in Cleaning and Maintenance page 12 SAFETY INFORMATION Conti...

Страница 5: ...WARNING A quali ed ser vice person must install heater Follow all local codes WARNING Before installing in a solid fuel burning replace the chimney ue and rebox must be cleaned of soot creo sote ashes...

Страница 6: ...re place constructed of noncombustible material and connected to a working ue The replace chimney must have a permanent vent opening to outside with minimum openings shown in Figure 3 Figure 2 Technic...

Страница 7: ...to the control valve INSTALLATION Continued CAUTION Never connect propane LP unit directly to the propane LP supply This unit requires an external regulator notsupplied Installtheexternal regulatorbe...

Страница 8: ...Tap Natural From Gas Meter 5 W C to 10 5 W C Pressure Propane LP From External Regulator 11 W C to 14 W C Pressure 3 Min Pipe Cap Tee Nipple Joint CHECKING GAS CONNECTIONS WARNING Testallgaspiping an...

Страница 9: ...ly tank valve 3 Make sure control knob of appliance is in the OFF position 4 Check all joints from equipment shutoff valve to gas control see Figure 9 or 10 Apply noncorrosive leak detection uid to al...

Страница 10: ...l knob clockwise to the OFF position see Figure 12 Note Knob cannot be turned from PILOT to OFFunless knob is pushed in slightly DO NOT FORCE 5 Wait ve 5 minutes to clear out any gas If you then smell...

Страница 11: ...e thermocouple to cool When the thermocouple cools the appliance will shut down If pilot ame pattern is incorrect as shown in Figure 16 turn appliance off see To Turn Off Gas to Appliance page 10 see...

Страница 12: ...ignition propane LP gas supply may be low You may feel your gas pressure is too low If so contact your local propane LP or natural gas supplier TECHNICAL SERVICE You may have further questions about i...

Страница 13: ...in gas lines when in stalled 5 Depleted gas supply pro pane LP only 6 ODS pilot is clogged 7 Gas regulator setting is in correct When ignitor button is pressed there is no spark at ODS pilot When igni...

Страница 14: ...page 17 1 Contact local natural or propane LP gas company 2 Clean burner s see Cleaning and Maintenance page 12 1 Clean burner see Cleaning and Maintenance page 12 or replace burner ori ce 2 Replace d...

Страница 15: ...ate burners until air is removed from line Have gas line checked by local natural or propane LP gas company 3 Observe minimum installation clearances see page 6 4 Clean burners see Cleaning and Mainte...

Страница 16: ...nding while heating or contracting while cooling 1 Appliance burning vapors from paint hair spray glues cleaners chemicals new carpet etc See IMPORTANT statement above 2 Low fuel supply propane LP onl...

Страница 17: ...6040 for referral information You can also write to the address listed on the back page of this manual EQUIPMENT SHUTOFF VALVE GA5010 Equipment shutoff valve with 1 8 NPT tap Fits 1 2 pipe FIREPLACE H...

Страница 18: ...www desatech com 114925 01B 18 ILLUSTRATED PARTS BREAKDOWN MPF24VNA MPF24VPA MPF18VNA MPF18VPA 1 2 3 4 5 6 17 16 15 7 8 9 10 11 12 14 13...

Страница 19: ...01 111807 02 111807 01 111807 02 Valve 1 10 112376 01 103778 01 112376 01 103778 01 Pilot Assembly 1 11 111828 01 111818 01 111828 01 111828 01 Brass Fitting 2 12 114930 01 114930 01 114930 01 114930...

Страница 20: ...The heater MUST be installed by a quali ed installer in accordance with all local codes and instructions furnished with the unit This warranty does not apply to parts that are not in original conditi...

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