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108795-01V

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11. Keep  the  area  around  your  fireplace 

clear of combustible materials, gasoline 
and  other  flammable  vapor  and  liquids. 
Do  not  run  fireplace  where  these  are 
used or stored. Do not place items such 
as clothing or decorations on or around 
fireplace.

12. Do not use this fireplace to cook food or 

burn paper or other objects.

13. Do not use any solid fuels (wood, coal, 

paper,  cardboard,  etc.)  in  this  fireplace. 
Use only the gas type indicated on fire-
place nameplate.

14. This appliance, when installed, must be 

electrically grounded in accordance with 
local  codes  or,  in  the  absence  of  local 
codes, with the 

National Electrical Code, 

ANSI/NFPA 70

 or the 

Canadian Electrical 

Code, CSA C22.1

.

15. Do  not  obstruct  the  flow  of  combustion 

and  ventilation  air  in  any  way.  Provide 

saFety

Continued

INtroduCtIoN

adequate  clearances  around  air  open-
ings into the combustion chamber along 
with adequate accessibility clearance for 
servicing and proper operation.

16. Do not install fireplace directly on carpet-

ing, vinyl tile or any combustible material 
other than wood. The fireplace must set 
on a metal or wood panel extending the 
full width and depth of the fireplace.

17. Do not use fireplace if any part has been 

exposed to or under water. Immediately 
call a qualified service person to arrange 
for replacement of the unit.

18. Do  not  operate  fireplace  if  any  log  is 

broken. 

19. Do not use a blower insert, heat exchang-

er insert or other accessory not approved 
for use with this fireplace.

20. Provide adequate clearances around air 

openings.

uNPaCkING

The  following  items  are  packed  inside  the 
firebox.  Remove  before  positioning  firebox 
into framing.
•  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 Stand - Lift off of burner pan
Check all items for any shipping damage. If 
damaged, promptly inform dealer or distributor 
where you bought the product.
Safely retain these items for later installation.

Models  M36(P)(B,H),  VM36(P)(B,H), 
M42(P)(B,H)  and  VM42(P)(B,H)  are  vented 
gas fireplaces that use a millivolt gas control 
valve with a millivolt ignition system. A 6" B-
Type venting system and a listed type vent cap 
are not supplied but are required for proper 
operation. See venting instructions on pages 
9 and 10.

  WARNING:  This  gas  appli-

ance must not be connected to 

a chimney flue servicing a solid 

fuel burning appliance.

BEFORE YOU BEGIN

Before  beginning  the  installation  of  your 
appliance,  read  these  instructions  through 
completely.

This  DESA  Heating,  LLC  appliance  and  its 
approved components are safe when installed 
according to this installation manual and are 
operated as recommended by DESA Heating, 
LLC. Unless you use DESA Heating, LLC ap-
proved components tested for this appliance, 

YOU MAY CAUSE A FIRE HAZARD!

The  DESA  Heating,  LLC  warranty  will  be 
voided by and DESA Heating, LLC disclaims 
any responsibility for the following actions :
A)  Modification of the appliance or any of the 

components.

B)  Use of any component part not approved 

by  DESA  Heating,  LLC  in  combination 
with this appliance.

C)  Installation and/or operation in a manner 

other than instructed in this manual.

D)  Burning of anything other than the type of 

gas approved for use in this gas appliance.

Summary of Contents for VM36B

Page 1: ...t 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...

Page 2: ...e may be installed in an aftermarket per manently located manufactured mobile home where not prohibited by state or local codes This appliance is only for use with the type of gas indi cated on the ra...

Page 3: ...to excessive lint and dust from carpeting bedding material etc Turn off the gas valve and pilot light before cleaning fireplace 10 Have venting system inspected annually by a qualified service person...

Page 4: ...ms are packed inside the firebox Remove before positioning firebox into framing Transition Collar For vent connection Ceramic Log Pack Shrink wrapped on cardboard Three 3 plastic bags containing lava...

Page 5: ...sting ofthegassupplypipingsystemattestpressures 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 provided on the gas control va...

Page 6: ...ximum Supply Pressure 13 WC 3 23 kPa 13 WC 3 23 kPa Orifice Size 52 51 S T P Q R X Outside Air Kit Location Optional K 7 J I M L V 13 5 1 5 Glass Door Optional W O N Alternate Gas Supply Inlet 7 G H F...

Page 7: ...le components in relation to fireplace opening Spacer 3 7 6 cm 1 1 2 3 8 cm Max B 6 15 2 cm A 12 22 9 cm Combustible Materials Header Figure 5 Mantel Clearances Side View Cross Section M36 B H M36P B...

Page 8: ...to the flexible 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 flare 3 4 12 1 2 NPT female fitting WARNING Wh...

Page 9: ...minate vertically into a listed type vent cap and extend a sufficient height through an approved roof flashing roof jack or a roof thimble At all points listed clearances must be maintained Vent termi...

Page 10: ...nspected for damage and proper installation It is not recommended that this appliance be common vented with an existing gas burning appliance Note Before connecting this appliance to an existing vent...

Page 11: ...E This appliance is equipped with a vent safety shutoff switch which will shut down the appliance in the case of a venting problem Do not bypass the vent safety switch If theapplianceshouldshutdown co...

Page 12: ...g optional wireless hand held remote control the wall switch is no longer operational Installing Receiver 1 Remove front refractory access panel by lifting up and angling out of firebox open ing see F...

Page 13: ...and Held Remote Control Unit Battery Cover 9 Volt Battery Terminal Wires Remote Control Unit Battery Housing Installation Continued DESAHeating LLC recommends that a black iron gas line be routed from...

Page 14: ...ear leaks can be detected and corrected Donotuseanopenflameforleak testing and do not operate any appliance if a leak is detected Installation Continued Complete your gas installation by connect ing i...

Page 15: ...5 into notch on left of log 2 see Figure 27 Rest lower end of log 5 on grate as shown in Figure 28 6 Insert lower end of log 6 between first two grate fingers as shown in Figure 28 and position upper...

Page 16: ...e upper end of log 5 into notch on top inner right of log 1 see Figure 31 Rest lower end of log 5 on middle grate finger as shown in Figure 32 6 Place log 6 into notch on top right of log 1 see Figure...

Page 17: ...tion Figure 34 Sealing Between Appliance 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 i...

Page 18: ...pin is free of clip 2 Fully fold frame assembly and slide upper edge towards center of firebox opening until guide pins are free of frame rail see Figure 37 CAUTION Always operate the appliance with t...

Page 19: ...l Knob in the PILOT position Position Indicator Gas Control Knob Pilot Adjustment Screw FOR YOUR SAFETY READ BEFORE LIGHTING WARNING If you do not fol low these instructions exactly a fire or explosio...

Page 20: ...remote control unit IMPORTANT Do not leave selector switch in the REMOTE or ON position when pilot is not lit This will drain the battery 2 Press control button on hand held remote to turn burner on...

Page 21: ...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 onl...

Page 22: ...t part number 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 the...

Page 23: ...tch wires defective or too long 2 Thermopile not generating sufficient voltage 1 Pilot flame may be too low causing safety pilot to drop out 2 Improper venting or exces sive blockage REMEDY 1 Check to...

Page 24: ...If no spark and electrode wire is properly connected replace ignitor 2 Using a match light pilot If pilot lights turn off pilot and trigger the red button again If pilot lights an improper gas air mi...

Page 25: ...LP gas low fuel supply 3 Gas leak See Warning statement at top of page 1 Gas leak See Warning statement at top of page 2 Control valve defective 1 Foreign matter between control valve and burner 2 Gas...

Page 26: ...odels M36 B H M36P B H M42 B H M42P B H VM36 B H VM36P B H VM42 B H and VM42P B H 43 21 1 10 11 6 8 8 22 25 13 4 14 45 17 3 44 40 39 41 42 9 7 46 19 47 7 47 20 5 16 12 15 25 33 31 28 32 27 11 24 18 38...

Page 27: ...bly 1 23 20042 20042 Air Kit Cover 1 24 106948 02 107823 02 Smoke Deflector 1 25 20027 20027 Brick Liner Retainer 2 26 107796 01 107796 02 Grate Assembly 1 27 107742 01 107742 02 Burner Pan 1 28 10779...

Page 28: ...6 02 108171 02 Rear Refractory Herringbone M36H M42H 1 106660 01 107816 01 Rear Refractory Std Brick VM36B VM42B 1 108166 01 108171 01 Rear Refractory Herringbone VM36H VM42H 1 15 106661 02 107818 02...

Page 29: ...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 0...

Page 30: ...01 Left Front 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 10872...

Page 31: ...For M36 B H M36P B H M42 B H and M42P 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...

Page 32: ...ns furnished with this product This warranty covers the cost of part s required to restore this product to proper operating condition and an allowance for labor when provided by a DESA Heating LLC Aut...

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