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108796-01M

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CleanInG and 

maIntenanCe

 WARNING: Installation and 

repair should be done by a quali-

fied service person. The appli-

ance should be inspected before 

each use and at least annually 

by  a  qualified  service  person. 

More frequent cleaning may be 

required  due  to  excessive  lint 

from  carpeting,  bedding  mate-

rial, pet hair, etc. It is imperative 

that the control compartments, 

burners and circulating air sys-

tem be kept clean.

 WARNING: The logs can be 

hot. Handle only when cool.

 WARNING: Turn off gas and 

electrical power before servicing 

appliance.

  WARNING:  Failure  to  keep 

the  primary  air  opening(s)  of 

the burner(s) clean may result in 

sooting and property damage.

PILOT AND BURNER

•  Remove  logs  and  ember  material  before 

cleaning burner and replace when cleaning 
is complete.

•  Burner  and  controls  should  be  cleaned 

with  compressed  air  to  remove  dust,  dirt 
or lint.

•  Use a vacuum cleaner or small, soft bristled 

brush to remove excess dust, dirt or lint.

LOGS

•  If  you  remove  logs  for  cleaning,  refer  to 

log placement information on page 1 to 
properly replace logs.

•  Use  a  vacuum  cleaner  to  remove  any 

carbon buildup on logs.

•  Replace log(s) if broken. See 

Replacement 

Parts

.

•  Replace  ember  material  periodically  as 

needed. See 

Replacement Parts

.

serVICe hInts

When Gas Pressure Is Too Low

•  pilot will not stay lit
•  burner will have delayed ignition

•  fireplace will not produce specified heat

•  propane/LP gas supply may be low if using 

propane/LP gas

If using propane/LP gas, you may feel your 
gas  pressure  is  too  low.  If  so,  contact  your 
local propane/LP gas supplier.

teChnICal serVICe

You may have further questions about instal-
lation,  operation  or  troubleshooting.  If  so, 
contact  DESA’s  Technical  Service  Depart-
ment at 1-866-67-6040. When calling please 
have your model and serial numbers of your 
heater ready.
You can also visit DESA’s 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 can’t supply original replacement part(s) 
call DESA’s Technical Service Department at 
1-866-67-6040 for referral information.
When calling DESA, have ready
•  your name
•  your address
•  model  and  serial  numbers  of  your 

fireplace 

•  how fireplace 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 can’t supply original replacement part(s) 
call  DESA  at  1-866-67-6040  for  referral 
information.
When calling DESA, have ready

•  model number of your fireplace 

•  the replacement part number

Summary of Contents for M36E

Page 1: ...ELL GAS Do not try to light any appliance Do not touch any electrical 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 department Installation and service must be performed by a quali fied installer service agency or the gas supplier INSTALLER Leave this manual...

Page 2: ...r manently located manufactured mobile home where not prohibited by state or local codes This appliance is only for use with the type of gas in dicated on the rating plate This appliance is not con vertible for use with other gases unless a certified kit is used Aftermarket Completion of sale not for purpose of resale from the manufacturer State of Massachusetts The installation must be made by a ...

Page 3: ... its controls can be dangerous 1 This appliance is only for use with the type of gas indicated on the rating plate This appliance is not convertible for use with other gases unless a certified kit is used 2 For propane LP fireplace do not place propane LP supply tank s inside any structure Locate propane LP supply tank s outdoors To prevent performance problems do not use propane LP fuel tank of l...

Page 4: ...learances around air openings Unpacking The following items are packed inside the firebox Remove before positioning firebox into framing Safety information Continued Transition Collar For vent connection Ceramic Log Pack Shrink wrapped on cardboard Three 3 plastic bags containing lava rock pan and ember materials Rear Log Remove the two plastic quick ties from around the burner and grate Grate Sta...

Page 5: ... WALL INSTALLATION CORNER INSTALLATION FULL PROJECTION INSTALLATION FLUSH INSTALLATION The appliance must be isolated from the gas supply piping system by closing its individual manual shutoff valve during any pressure testing of the gas supply piping system at test pressures equal to or less than 1 2 psig 3 5 kPa For the purpose of input adjustment two pressure taps for IN and OUT pressures are p...

Page 6: ... 000 Btu Hr Manifold Pressure 3 5 in WC 87 kPa 3 5 in WC 87 kPa Minimum Supply Pressure 4 5 in WC 1 12 kPa 4 5 in WC 1 12 kPa Maximum Supply Pressure 10 5 in WC 2 66 kPa 10 5 in WC 2 66 kPa Orifice Size 30 29 GAS RATING PROPANE LP M36P B H VM36P B H M42P B H VM42P B H Max Input Rating 40 000 Btu Hr 45 000 Btu Hr Manifold Pressure 10 in WC 2 49 kPa 10 in WC 2 49 kPa Minimum Supply Pressure 11 in WC...

Page 7: ...uter Vent Collar Required Air Spaces are Indicated with an Do Not Pack with Insulation or Any Other Material DO NOT BLOCK OR OBSTRUCT OPENINGS 0 Clearance to Combustible or Noncombustible Flooring MANTEL CLEARANCES and Wall Details A combustible mantle shelf maybe installed a maximum 12 229 mm from the wall Figures 5 and 6 show the minimum allow able distances from various combustible mantle compo...

Page 8: ... gas line Note If 1 2 NPT black iron pipe does not mate with fitting at the end of flexible gas line remove fitting and replace with a 37 degree flare 3 4 12 1 2 NPT female fitting WARNING When finishing appliance do not overlap com bustible material onto the black front face Brick tile or other noncombustible materials may be applied to the face provided that any gap is between the material used ...

Page 9: ...liner system if all are listed inspected and approved by local codes and or building authorities The examples shown in Figure 10 page 10 are typical of most B vent installations and codes practices Example 1 Shows the minimum allowable system height and lateral offset for a 60 degree or greater inclination Code specifies that offsets at 60 degrees or greater are considered horizontal and must foll...

Page 10: ...n It is not recommended that this appliance be common vented with an existing gas burning appliance However if it becomes necessary to common vent this appliance the venting system must be sized and configured in ac cordance with the common venting guides Appendix G of the current National Fuel Gas Code ANSI Z223 1 NFPA 54 and in Canada with CAN CGA B149 Note Before connecting this appliance to an...

Page 11: ...Check this area along the entire top edge of the fireplace opening Smoke or flame should be drawn into the appliance opening Figure 12 Checking for Spillage Installation WALL SWITCH INSTALLATION The installation of a wall switch allows you to activate the gas control valve and turn the fireplace on and off The wall switch is to be connected to the incoming 120 volt regular household wiring that su...

Page 12: ... that a black iron gas line be routed from the gas source through a sediment trap shown in Figure 18 and into the appliance Once connected through the appliance a flexible gas line may be used for ease of installation to gas control valve see Figure 19 page 13 Before connecting the black iron gas line to the inside of the appliance a sediment trap must be included outside the appliance be tween th...

Page 13: ...ed and corrected Donotuseanopenflameforleak testing and do not operate any appliance if a leak is detected Complete your gas installation by connect ing incoming gas line with flexible gas line Secure tightly with wrench but DO NOT OVERTIGHTEN Installation Continued EMBER AND PAN MATERIAL placement 1 Open the bag s of vermiculite and fill the entire burner pan until the burner tube is completely c...

Page 14: ...on the left of log 2 see Figure 25 Rest the lower end of log 5 on the grate as shown in Figure 26 6 Insert the lower end of log 6 between the first two grate fingers as shown in Figure 26 and position the upper end of log 6 into the notched area on the front of log 2 as shown in Figure 26 Figure 23 Installing Logs 1 and 2 Log 1 Log 2 Notch Figure 24 Installing Logs 3 and 4 Log 3 Log 4 Log 2 Log 1 ...

Page 15: ...ace the upper end of log 5 into the notch on the top inner right of log 1 see Figure 29 Rest the lower end of log 5 on the middle grate finger as shown in Figure 30 6 Place log 6 into the notch on the top right of log 1 see Figure 29 Rest the lower end of log 6 on top of log 2B see Figure 30 As an option to enhance the look of the hearth you may place the lava rock provided around the front and si...

Page 16: ...ance and Framing Installing optional GLASS DOOR Accessory CAUTION Use only glass doors certified for use with this appliance Note Glass door may be heavy for some individuals If this is the case please request help from someone else The M36E VM36E M42E and VM42E B vent fireplaces are approved for use with optional bi fold glass doors see Accessories page 29 The glass panels may be ordered and inst...

Page 17: ...t pin is free of the clip 2 Fully fold the frame assembly and slide the upper edge towards the center of the firebox opening until the guide pins are free of the frame rail see Figure 35 CAUTION Always operate the appliance with the doors ei ther fully opened or fully closed Operating the appliance with the doors partially open can re sult in improper venting of flue products Installation Continue...

Page 18: ...STRUCTIONS NOTICE Duringinitialoperation of new heater burning logs will give off a paper burning smell Orange flame will also be pres ent Open damper or window to vent smell This will only last a few hours 1 STOP Read the safety information in column 1 2 Turn off all electric power to the appliance 3 Turn wall switch to the OFF position 4 Fully open glass doors if installed 5 Remove front refract...

Page 19: ...38 Pilot Sensing Rod Pilot Burner Ignitor Pilot Burner Ignitor Sensor Inspecting Burners Check pilot flame pattern and burner flame patterns often PILOT Assembly The pilot assembly is factory preset for the proper flame Alterations may have occurred during shipping and handling The pilot is located on the back right hand side of the burner The flame must envelope 1 4 of top of the ignitor sensor a...

Page 20: ... Pressure Is Too Low pilot will not stay lit burner will have delayed ignition fireplace will not produce specified heat propane LP gas supply may be low if using propane LP gas If using propane LP gas you may feel your gas pressure is too low If so contact your local propane LP gas supplier Technical Service You may have further questions about instal lation operation or troubleshooting If so con...

Page 21: ...ENT SAFETY SHUTOFF SWITCH MANUAL DAMPER SWITCH IGN EV2 SUPPLY INCOMING MAIN GAS EV1 TO GAS LINE BURNER 24V AC 120V AC 120V AC INCOMING OR BREAKER FUSE BOX OFF ON SUPPLIED WALL SWITCH GREEN BLACK WHITE 120v 60Hz 0 7A ELECTRICAL RATING BLACK WHITE GREEN OPTIONAL REMOTE CONTROL Pilot Burner Pilot Gas Line Wiring Diagram ...

Page 22: ...to see if you have gas supply and that equipment shutoff valve is opened 2 Repeat lighting procedure several times to purge all air out of lines If after repeated attempts appliance does not light call for qualified service and repair 3 Remove debris and dirt inspect and clean any other possible obstructions 4 Contact your gas supplier to check pressure 5 Have a qualified technician replace pilot ...

Page 23: ...propane LP gas low fuel supply 3 Gas leak See Warn ing statement at top of page 1 Gas leak See Warn ing statement at top of page 2 Control valve defective 1 Foreign matter between control valve and burner 2 Gas leak See Warning statement at top of page 1 Improper log placement 2 Air holes at burner inlet blocked 3 Burner flame holes blocked 4 Improper venting or exces sive blockage 5 Excessive amo...

Page 24: ... M42EP B H VM36E B H VM36EP B H VM42E B H and VM42EP B H 51 21 3 25 2 1 10 11 6 57 57 22 50 18 9 8 17 70 68 65 67 52 13 61 14 45 43 48 59 60 62 44 4 40 64 69 39 66 71 42 41 67 56 23 7 46 19 47 7 47 54 55 5 17 16 12 15 52 33 31 28 32 27 11 24 49 58 38 37 35 34 30 63 34 35 63 29 43 20 26 36 NG LP ...

Page 25: ...47 11147 Screw 10 24 x 1 2 1 34 901066 01 901066 01 Brass Air Mixer NG 1 901066 02 901066 02 Brass Air Mixer LP 1 35 901064 03 901064 08 Orifice NG 1 901065 13 901065 12 Orifice LP 1 KEY NO M36E P B H VM36E P B H M42E P B H VM42E P B H DESCRIPTION QTY 36 108084 01 108084 01 Pilot NG 1 108084 03 108084 03 Pilot LP 1 37 108085 01 108085 01 Pilot Orifice NG 1 108085 02 108085 02 Pilot Orifice LP 1 38...

Page 26: ...2EH 1 106660 01 107816 01 Rear Refractory Std Brick VM36EB VM42EB 1 108166 01 108171 01 Rear Refractory Herringbone VM36EH VM42EH 1 15 106661 02 107818 02 Bottom Rear Refractory Std Brick M36 ME42 M36B M42EB 1 108167 02 108172 02 Bottom Rear Refractory Herringbone M36H M42H 1 106661 01 107818 01 Bottom Rear Refractory Std Brick VM36E VM42E VM36EB VM42EB 1 108167 01 108172 01 Bottom Rear Refractory...

Page 27: ...M36 B H and VM36P B H KEY NO PART NUMBER DESCRIPTION QTY 107999 01 Log Set 1 108724 01 Right Front 9 Split Log 1 2 901098 01 Rear Log 1 3 108720 01 Top Right Log 11 3 4 1 4 108721 01 Top Right Log 16 1 5 108722 01 Top Left Log 13 1 2 Y Log 1 6 108723 01 Top Left Log 11 1 1 3 2 4 5 6 4 2B 3 5 2A 1 ...

Page 28: ...ont Log 11 1 2B 108839 01 Right Front Log 15 3 4 Round 1 3 108722 01 Top Left Log 13 1 2 Y Log 1 4 108838 01 Inside Top Left Log 15 3 4 Split 1 5 108721 01 Inside Top Right Log 16 1 6 108720 01 Top Right Log 11 3 4 1 1 3 2 4 5 6 4 2B 3 5 2A 1 ILLUSTRATED PARTS BREAKDOWN Logsets for models M42 B H M42P B H VM42 B H and VM42P B H ...

Page 29: ...42P B H BL36 36 Refractory Standard Brick BL42 42 Refractory Standard Brick BL36H 36 Refractory Herringbone Brick BL42H 42 Refractory Herringbone Brick For VM36 B H VM36P B H VM42 B H and VM42P B H BL36S 36 Refractory Standard Brick BL42S 42 Refractory Standard Brick BL36HS 36 Refractory Herringbone Brick BL42HS 42 Refractory Herringbone Brick Blower Kit BK Squirrel Cage Blower With Speed Control ...

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Page 31: ...______________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ _______________________________________...

Page 32: ...such other costs related to repairing a defective heater will be the responsibility of the owner TO THE FULL EXTENTALLOWED BY THE LAW OF THE JURISDICTION THAT GOVERNS THE SALE OF THE PRODUCT THIS EXPRESS WARRANTY EXCLUDES ANY AND ALL OTHER EXPRESSED WARRANTIES AND LIMITS THE DURATION OF ANYAND ALL IMPLIED WARRANTIES INCLUDING WARRANTIES OF MERCHANTABILITYAND FITNESS FORAPARTICULAR PURPOSE TO FOUR ...

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