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www.desatech.com

113110-01H

3

Make  certain  you  read  and  understand  all 

warnings. Keep this manual for reference. It 

is your guide to safe and proper operation of 

this fireplace.

  WARNING:  Any  change  to 

this fireplace or its controls can 

be dangerous.

 WARNING: Do not use a blow

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er insert, heat exchanger insert, 

or other accessory not approved 

for use with this fireplace.

 WARNING: Do not allow fans 

to blow directly into the fireplace. 

Avoid any drafts that alter burner 

flame patterns. Ceiling fans can 

create  drafts  that  alter  burner 

flame  patterns.  Altered  burner 

patterns can cause sooting.

Due  to  high  temperatures,  the 

appliance should be located out 

of traffic and away from furniture 

and draperies.

Do not place clothing or other 

flammable  material  on  or  near 

the appliance. Never place any 

objects on the heater.

Fireplace  front  and  screen  be

-

come  very  hot  when  running 

heater. Keep children and adults 

away from hot surfaces to avoid 

burns or clothing ignition. Fire

-

place will remain hot for a time 

after shutdown. Allow surfaces 

to cool before touching.

SAFETy

Continued

Carefully  supervise  young  chil

-

dren when they are in the room 

with  fireplace.  When  using  the 

hand-held  remote  accessory 

keep selector switch in the OFF 

position to prevent children from 

turning on burners with remote.

You  must  operate  this  fireplace 

with the fireplace screen in place. 

Make  sure  fireplace  screen  is 

closed before running fireplace.

Keep  the  appliance  area  clear 

and free from combustible ma

-

terials, gasoline, and other flam

-

mable vapors and liquids.

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.

2.  Do not place propane/LP supply tank(s) 

inside any structure. Locate propane/LP 
supply tank(s) outdoors.

3.  If you smell gas

• shut off gas supply
• do not try to light any appliance
• do not touch any electrical switch; do not 

use any phone in your building

• immediately call your gas supplier from 

a  neighbor’s  phone.  Follow  the  gas 

supplier’s instructions

• if  you  cannot  reach  your  gas  supplier, 

call the fire department

4.  This fireplace shall not be installed in a 

bathroom or bedroom.

5.  Do not use this fireplace as a wood-burn

-

ing fireplace. Use only the logs provided 
with the fireplace.

6.  Do not add extra logs or ornaments such 

as pine cones, vermiculite, or rock wool. 

Using these added items can cause soot-
ing. Do not add lava rock around base. 
Rock and debris could fall into the control 

area of fireplace.

7.  This fireplace is designed to be smokeless. 

If logs ever appear to smoke, turn off fire

-

place and call a qualified service person.

Summary of Contents for Unvented (Vent-Free) Gas Compact Classic Hearth Fireplace VMH26NRB

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: ...s 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 Aftermarket Completion of sale not for purpose of resale from...

Page 3: ...the OFF position to prevent children from turning on burners with remote You must operate this fireplace withthefireplacescreeninplace Make sure fireplace screen is closed before running fireplace Ke...

Page 4: ...that can be purchased separately wall switch hand held ON OFF remote wall thermostat hand held thermostat remote See Accessories page 35 Local Codes Install and use fireplace with care Follow all loca...

Page 5: ...udes one hardware packet Assembly Local Codes Continued 4 Check fireplace for any shipping dam age If heater is damaged call DESA Heating LLC at 1 866 672 6040 for replacement parts before returning t...

Page 6: ...from the house to operate You must provide adequate fresh air for these appliances This will insure proper venting of vented fuel burning appliances PROVIDING ADEQUATE VENTILATION The following are e...

Page 7: ...th x Width x Height __________cu ft volume of space Example Space size 16 ft length x 14 ft width x 8 ft ceiling height 1792 cu ft volume of space AIR FOR COMBUSTION AND VENTILATION Continued If addit...

Page 8: ...adjoining room see option 3 Figure 4 Follow the National Fuel Gas Code ANSI Z223 1 NFPA 54 Air for Combustion and Ventilation for required size of ventilation grills or ducts AIR FOR COMBUSTION AND V...

Page 9: ...clearance installations Wall or framing ma terial can be placed directly against any exterior surfaceontherear sides ortopofyourfireplace except where standoff spacers are integrally at tached If stan...

Page 10: ...in Figure 6 Example The face of a mantel bookshelf etc is made of combustible material and protrudes 3 1 2 from the wall This com bustible material must be 4 from the side of the fireplace opening se...

Page 11: ...lve The flexible gas line must be the last item installed on the gas piping Nails or Wood Screws Nailing Flanges Figure 9 Attaching Fireplace to Wall Studs Wall Studs 4 If you have not assembled fireb...

Page 12: ...ollowing raise the mantel to an accept able height remove the mantel Figure 10 Minimum Mantel Clearances for Built In Installation OPTIONAL MANTEL Installation Refer to instructions provided with the...

Page 13: ...shoulder screws Align fireplace in mantel assembly so the trim overlaps mantel evenly on all three sides 12 Lower bottom louver door Use 3 wood screws provided with mantel accessory to attach fireplac...

Page 14: ...oles in the rear of the valve cover shieldandthroughtherectangularholeinthe front of shield see Figure 16 page 15 8 Reconnect red wire to switch position 3 Reconnect blue wire to switch position 1 Rec...

Page 15: ...tch Plate Blue Red Valve Cover Shield Snap Bushing Black Blower Mounting Holes Lower Louver Door Power Cord Figure 17 Wiring Diagram For Blower Accessory Standard Installation Red Red Fan Switch Auto...

Page 16: ...t In Installation WARNING A licensed elec trician must connect the wiring harness to electrical supply followingalllocalcodes Electri cianmustprovideaclamponthe box cover to secure the wiring Wiringsh...

Page 17: ...f you do not reduce incoming gas pressure fireplace regulator damage could occur Install external regula tor with the vent pointing down as shown in Figure 21 Pointing the vent down protects it from f...

Page 18: ...te sediment trap where it is within reach for cleaning Install in piping system between fuel supply and heater Locate sediment trap where trapped matter is not likely to freeze Asediment trap traps mo...

Page 19: ...flame to check for a leak Apply a noncorrosive leak detection fluid toalljoints Bubblesformingshow a leak Correct all leaks at once CAUTION Make sure exter nal regulator has been installed betweenprop...

Page 20: ...e Figure 28 Discard switch plate after removing Save the screws 4 Locate battery clip mounted on back of receiver see Figure 29 5 Slide 9 volt battery not included through the clip 6 Attach terminal w...

Page 21: ...side of base see Figure 33 WARNING Do not con nect the thermostat to a power source Electrical shock and or a fire hazard will occur 6 Connect one bare wire end to each terminal W and R of the thermos...

Page 22: ...see Figure 32 page 21 2 Connect remaining wire terminal to TH terminal on control valve Make sure that wire terminals are in the positions on your unit as pictured in Figure 32 page 21 If wires are n...

Page 23: ...this fireplace with the fireplace screen in place Make sure fire place screen is installed before running fireplace Figure 36 Control Knob and Ignitor Button Location Shown as Supplied No Control Opt...

Page 24: ...e the selector switch is in the OFF positionwhenyouareawayfrom home for long periods of time Fireplacewillcomeonautomati cally with selector switch in the ON position TO TURN OFF GAS TO APPLIANCE Shut...

Page 25: ...rol 2 Press MANU button to turn on fireplace 3 Press POWER and LOCK buttons to gether to turn off fireplace Auto Thermostatic Mode 1 Press POWER and LOCK buttons together to turn on hand held remote c...

Page 26: ...red setting Thermostat has been electronically calibrated at the factory and requires no adjustment or leveling Upon installation thermostat must be allowed to stabilize at room temperature for a mini...

Page 27: ...liance page 24 see Troubleshooting page 30 Note The pilot flame on natural gas units will have a slight curve but flame should be blue and have no yellow or orange color BURNER FLAME PATTERN Figure 45...

Page 28: ...re hardware store or home center may carry compressed air in a can If using compressed air in a can please follow the directions on the can If you don t follow directions on the can you could dam age...

Page 29: ...remove one piece log set for clean ing refer to Installing Log Set and Screen page 22 for placement instructions Replace log set if broken or chipped dime sized or larger CABINET Air Passageways Use...

Page 30: ...in PILOT position 4 Air in gas lines when in stalled 5 Depleted gas supply pro pane LP only 6 ODS pilot is clogged 7 Gas regulator setting is not correct REMEDY 1 Reconnect ignitor cable 2 Free ignit...

Page 31: ...trol knob pressed in 30 seconds 3 Wait one minute for safety interlock system to reset Repeat ignition operation 4 Fully open equipment shut off valve 5 A Contact local natural or propane LP gas compa...

Page 32: ...ne checked by local natural gas company 3 Observe minimum instal lation clearances see page 10 4 Clean burner see Cleaning and Maintenance page 28 or replace burner orifice 1 Turn fireplace off when u...

Page 33: ...each your gas supplier call the fire department IMPORTANT Operating fireplace where impurities in air exist may create odors Cleaning supplies paint paint remover cigarette smoke cements and glues new...

Page 34: ...t s call DESA Heating LLC at 1 866 672 6040 When calling DESA Heating LLC have ready your name your address model and serial numbers of your heater how heater was malfunctioning purchase date Usually...

Page 35: ...Unfinished Traditional Design W26TO Oak Finished Traditional Design W26GO Oak Finished Georgian Design Mantel features clean classic lines Available in a stained oak or unfinished hardwood ready to s...

Page 36: ...atech com 113110 01H 36 Parts MODELS VMH26PRB and VMH26NRB 39 37 38 4 22 40 32 11 28 30 12 7 35 25 10 9 7 23 1 2 20 20 8 14 8 24 33 34 13 41 21 26 18 15 27 20 3 20 29 16 18 3 17 42 36 6 4 20 19 31 31...

Page 37: ...01 Injector 1 20 M11084 26 Screw Hex Head 10 x 3 8 25 21 098249 01 Nut M5 6 22 103781 01 Gas Valve 1 103781 02 Gas Valve 1 23 102639 01 Baffle 1 24 101628 01 Flexible Connector 1 25 104305 01 Control...

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Page 40: ...proved by DESA Heating LLC Warranty parts must be obtained through authorized dealers of this prod uct and or DESA Heating LLC who will provide original factory replacement parts Failure to use origin...

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