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124868-01A

5

INSTALLATION

 CAUTION: Do not install the 

fireplace  directly  on  carpet  or 

vinyl.

  WARNING:  Fireplace  hood 

must be used if a combustible 

mantel material is installed.

Mantel Clearances for Built-In 
Installation

If placing custom mantel above built-in fire

-

place, you must meet the minimum allowable 
clearance  between  mantel  shelf  and  top  of 
fireplace  opening  shown  in  Figure  3,  page 
6. These are the minimum allowable mantel 
clearances for a safe installation. Use larger 
clearances  wherever  possible  to  minimize 
the heating of objects and materials placed 
on the mantel.

NOTICE: Surface temperatures 

of  adjacent  walls  and  mantels 

become  hot  during  operation. 

Walls  and  mantels  above  the 

fireplace  may  become  hot  to 

the touch. If installed properly, 

these  temperatures  meet  the 

requirement  of  the  national 

product  standard.  Follow  all 

minimum clearances shown in 

this manual.

NOTICE: If your installation does 

not  meet  the  minimum  clear-

ances shown, you must do one 

of the following:

•  raise the mantel to an accept

-

able height

•  remove the mantel

Figure 2 - Minimum Clearance for 

Combustible to Wall

*Minimum 16" from Side Wall

*

Example

IMPORTANT:

  Make  sure  fireplace  is  level. 

If fireplace is not level, log set will not work 
properly. 
Use  dimensions  shown  for  rough  openings 
to create the easiest installation (see 

Built-In 

Fireplace Installation

, page 6).

INSTALLATION CLEARANCES

  WARNING:  Maintain  the 

minimum clearances. If you can, 

provide greater clearances from 

floor, ceiling and adjoining wall.

Carefully  follow  these  instructions. This  will 
ensure  safe  installation.  Fireplace  hood 
must be used if combustible mantel material 
is installed.

Minimum Wall and Ceiling Clearances 
(see Figure 2)

A.  Clearances from the side of the fireplace 

cabinet to any combustible material and 
wall should follow diagram in Figure 2.

 

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 cabinet (see Figure 2).

B.  Clearances from the top of the fireplace 

opening to the ceiling should not be less 
than 42".

C.  When  fireplace  is  installed  on  carpet

-

ing or other combustible material, other 
than  wood  flooring,  fireplace  should  be 
installed on a metal or wood panel extend

-

ing the full width and depth of enclosure.

D.  Clearances from bottom of fireplace to the 

floor is 0".

Summary of Contents for VO36NRA

Page 1: ...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 Installation and servi...

Page 2: ...less An odor making agent is added to the gas The odor helps you detect a gas leak However the odor added to the gas can fade Gas may be present even though no odor exists Make certain you read and un...

Page 3: ...polish wax carpet cleaner or similar products turn fireplace off If heated the vapors from these prod ucts may create a white powder residue within burner box or on adjacent walls or furniture 9 Do n...

Page 4: ...ew Left Side View Locating Fireplace Planning Plan where you will install the fireplace This will save time and money later when you in stall the fireplace Before installation consider the following 1...

Page 5: ...for Combustible to Wall Minimum 16 from Side Wall Example IMPORTANT Make sure fireplace is level If fireplace is not level log set will not work properly Use dimensions shown for rough openings to cre...

Page 6: ...ide to Inside Height Figure 4a 37 45 411 2 52 11 32 74 TOP VIEW FOR 36 MODELS Figure 4b 43 45 485 8 60 13 16 86 TOP VIEW FOR 42 MODELS Figure 4c Figure 5 Installing Firebox Steel Stud or Steel Framing...

Page 7: ...Hole Top View of Rod Layout Rod Front Hole Ring Screen Identification Label Location INSTALLING FIREPLACE HOOD HS36 HS42 1 Remove protective film from stainless hood 2 Align three notches located on...

Page 8: ...gas pressure to between 11 and 14 of water If you do not reduce incoming gas pressure control valve damage could occur Install external regula tor with the vent pointing down as shown in Figure 8 Poin...

Page 9: ...g into heater controls If sediment trap is not installed or is installed wrong heater may not run properly CAUTION Avoid damage to gas control Hold gas control with wrench when connecting it to gas pi...

Page 10: ...to equip ment shutoff valve for natural gas or propane LP supply to equipment shutoff valve for propane LP see Figure 12 or 13 Apply noncorrosive leak detection fluid to all joints Bubbles forming sh...

Page 11: ...nce Do not touch any electric 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 ga...

Page 12: ...nob pressed in press and release ignitor button This will light pilot If needed keep pressing ignitor button until pilot lights Note If pilot does not stay lit contact a qualified service person or ga...

Page 13: ...ance off see To Turn Off Gas to Appliance page 12 see Troubleshooting page 15 Figure 19 Correct Burner Flame Pattern Yellow Flames with Orange Streaks Figure 20 Incorrect Burner Flame Pattern Dark Ora...

Page 14: ...FULLY OPEN V O42NRA Series Rating Variable 32 000 47 000 Btu Hr Gas Type Natural Ignition Piezo Manifold Pressure 3 5 W C Inlet Gas Pressure inches of water Max 10 5 W C Min 5 0 W C Air Shutter 3 16 O...

Page 15: ...ro pane LP models only 6 Pilot is clogged 7 Gas regulator setting is not correct 1 Turn on gas supply or open equipment shutoff valve 2 Turn gas control knob to PILOT position 3 Press in gas control k...

Page 16: ...utter setting incorrect 1 Contact local propane LP or natural gas company 2 Clean burner see Cleaning and Maintenance page 13 or replace burner orifice 3 Straighten alignment 4 Set air shutter to corr...

Page 17: ...e Warning statement above 2 Control valve defective 1 Locate and correct all leaks see Checking Gas Connec tions page 9 2 Replace control valve Gas odor during combustion 1 Gas leak See Warning statem...

Page 18: ...els VO36NRa VO36PRa VO36NRRa VO36PRRa VO36NRHa VO36PRHa VO36NRRHa VO36PRRHa O36NRa O36PRa O36NRHa O36PRHa O36NRRa O36PRRa O36NRRHa AND O36PRRHa 27 28 29 30 24 21 25 5 6 7 8 9 13 26 17 18 19 2 1 3 4 23...

Page 19: ...acket 2 20 14396 3 8 x 3 8 Brass Adapter 1 21 107940 01 Fireplace Top 1 22 111817 08 Dormont T6 18 3 8 x 18 Flextube 1 23 119686 01 Log Set Retainer 2 24 20280 Top Spacer 4 25 20027 Firebrick Retainer...

Page 20: ...ls VO42NRa VO42PRa VO42NRRa VO42PRRa VO42NRHa VO42PRHa VO42NRRHa VO42PRRHa O42NRa O42PRa O42NRHa O42PRHa O42NRRa O42PRRa O42NRRHa AND O42PRRHa 5 7 6 25 34 3 4 12 11 10 20 16 9 8 13 18 18 17 14 22 21 1...

Page 21: ...20 14396 3 8 x 3 8 Brass Adapter 1 21 111817 08 Dormont T6 18 3 8 x 18 Flextube 1 22 116786 01 Fitting 1 2 FLR x 3 8 MPT 1 23 119686 02 Log Set Retainer 2 24 20027 Firebrick Retainer 2 25 119702 01 Hi...

Page 22: ...106658 01 Left White 107812 01 1 106658 02 Left Red 107812 02 1 108164 01 Left White Herr 108169 01 1 108164 02 Left Red Herr 108169 02 1 6 106659 01 Right White 107814 01 1 106659 02 Right Red 10781...

Page 23: ...we will ask you to return the part to the factory PARTS NOT UNDER WARRANTY Contact authorized dealers of this prod uct If they can t supply original replace ment part s call DESA Heating LLC at 1 866...

Page 24: ...y 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 original facto...

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