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www.desatech.com

121353-01F

3

 DANGER: Carbon monoxide 

poisoning may lead to death!

Carbon  Monoxide  Poisoning:

  Early  signs 

of carbon monoxide poisoning resemble the 

flu,  with  headaches,  dizziness,  or  nausea. 
If you have these signs, the heater may not 
be working properly. 

Get fresh air at once!

 

Have  heater  serviced.  Some  people  are 
more affected by carbon monoxide than oth-

ers. These include pregnant women, people 
with heart or lung disease or anemia, those 
under the influence of alcohol, and those at 

high altitudes.

Natural and Propane/LP Gas:

 Natural and 

propane/LP gases are fuel gases. Fuel gases 
are odorless. An odor-making agent are add-
ed to fuel gases. The odor helps you detect 

a fuel gas leak. However, the odor added to 

fuel gas can fade. Fuel gas may be present 
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 heater.

  WARNING:  Any  change  to 

this  heater  or  its  controls  can 

be dangerous.

  WARNING:  Do  not  use  a 

blower  insert,  heat  exchanger 

insert, or other accessory not ap

-

proved for use with this heater.

 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.

Heater base assembly becomes 

very  hot  when  running  heater. 

Keep children and adults away 

from hot surface to avoid burns 

or  clothing  ignition.  Heater 

will remain hot for a time after 

shutdown. Allow surface to cool 

before touching.

Carefully supervise young chil

-

dren when they are in the room 

with  heater.  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  heater 

with a fireplace screen in place. 

Make  sure  fireplace  screen  is 

closed before running heater.

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 (propane/LP units 
only).

3.  To  prevent  performance  problems,  the 

use  of  a  propane/LP  tank  of  less  than 
100  lbs.  capacity  is  not  recommended 
(propane/LP units only).

SAFETY

Continued

Summary of Contents for FLAME-MAX VYM27NR

Page 1: ...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 UNVENTED VENT FREE GAS LOG HEATER O...

Page 2: ...t prohib ited by local codes 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 Aftermarket Completion of sale...

Page 3: ...g 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 oftrafficandawayfromfurniture and drape...

Page 4: ...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 supplie...

Page 5: ...Application These multisided logs are designed to be equally beautiful when viewed from any angle They are designed specifically for use in see through peninsula and island fireboxes with multiple op...

Page 6: ...sidered a part of the unconfined space Adjoining rooms are communicating only if there are doorless passageways or ventilation grills between them There are 4 optional controls that can be pur chased...

Page 7: ...pace can support _______ Btu Hr actual amount of Btu Hr used 40 000 33 000 73 000 Example 51 200 Btu Hr maximum the space can support 73 000 Btu Hr actual amount of Btu Hr used The space in this examp...

Page 8: ...attic will activate the power vent NOTICE Thisheater isintended for use as supplemental heat Use this heater along with your primary heating system Do not install this heater as your pri mary heat so...

Page 9: ...tural gas or propane LP gas but not both Gas type is indicated on the rat ingplate Fieldconversionisnot permitted INSTALLATION Continued INSTALLATION AND CLEARANCES Vent Free Operation Only WARNING Ma...

Page 10: ...for minimum clearances IMPORTANT If you cannot meet these mini mum clearances you must operate heater with chimney flue damper open Go to Install ing Damper Clamp Accessory for Vented Operation page 1...

Page 11: ...op of Fireplace Opening Underside of Mantel Shelf Mantel Shelf 12 A 18 20 22 24 All minimum distances are in inches 2 1 2 6 8 10 Figure 7 Minimum Mantel Clearances When Using Hood Minimum Noncombustib...

Page 12: ...nce on the floor level you must maintain the minimum distance of 14 to combustibles see Figure 8 B If combustible materials are less than 14 to the fireplace you must install appliance at least 5 abov...

Page 13: ...ble material Make sure material is secure CAUTION Do not pick up heater base assembly by the burner This could damage heater Only handle base as sembly by grates IMPORTANT Make sure the heater burner...

Page 14: ...pplied Install the exter nalregulatorbetweentheheater and propane LP supply Figure 13 External Regulator With Vent Pointing Down Propane LP gas only Propane LP Supply Tank External Regulator with Vent...

Page 15: ...uipment Shutoff Valve With 1 8 NPT Tap Approved Flexible Gas Hose if allowed by local codes Pipe Tee Nipple Cap Joint Sediment Trap Natural Gas From Gas Meter 5 W C to 10 5 W C Pressure Propane LP Gas...

Page 16: ...iance main gas valve control valve and equip ment shutoff valve from gas supply piping system Pressures in excess of 1 2 psig will damage heater regulator 2 Cap off open end of gas pipe where equip me...

Page 17: ...ylog If so reposition logs according to the log installation instructions in this manual Flames contact ing logs will create soot It is very important to install the logs exactly as instructed Do not...

Page 18: ...whentheselectorswitch is in the ON position after the pilot is lit 4 Press in and turn control knob clockwise to the OFF position FOR YOUR SAFETY READ BEFORE LIGHTING WARNING If you do not fol low the...

Page 19: ...release control knob If control knob does not pop out when released contact a qualified service person or gas supplier for repairs Note If pilot goes out repeat steps 4 through 8 9 Slightly push in an...

Page 20: ...ctor switch to the REMOTE position see Figure 25 Note The burner may light if hand held re mote was on when selector switch was last turned off You can now turn the burner on and off with the hand hel...

Page 21: ...held remote in the AUTO mode close to the fireplace The radiant heat from the fireplace will turn off the fireplace Ideally place the hand held remote in the center of the room facing towards the fir...

Page 22: ...rn off heater and let cool Remove blockage blocked burner flame holes will create soot Burner FLAME PATTERN Figure 30 shows a correct burner flame pat tern Figure 31 shows an incorrect burner flame pa...

Page 23: ...ollow the directions on the can If you don t follow directions on the can you could dam age the pilot assembly 1 Shut off unit including pilot Allow unit to cool for at least thirty minutes 2 Inspect...

Page 24: ...OT position 3 Control knob not pressed in while in PILOT position 4 Air in gas lines when in stalled 5 Depleted gas supply pro pane LP gas 6 ODS pilot is clogged 7 Gas regulator setting is not correct...

Page 25: ...position 1 Manifold pressure is too low 2 Burner orifice clogged 1 Burner orifice is clogged or damaged 2 Damaged burner 3 Gas regulator defective REMEDY 1 Press in control knob fully 2 After ODS pilo...

Page 26: ...et cleaners etc may turn into white powder residue 1 Battery is not installed Bat tery power is low 1 Metal expanding while heating or contracting while cooling REMEDY 1 Check burner for dirt and debr...

Page 27: ...ee Checking Gas Con nections page 15 1 Open window and or door for ventilation 2 Contact local natural or propane LP gas company 3 Clean ODS pilot see Cleaning and Maintenance page 23 1 Locate and cor...

Page 28: ...ter how heater was malfunctioning 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 origi...

Page 29: ...OL KIT HRC200 Allows the fireplace to be operated in a manu ally or thermostatically controlled mode You can turn the fireplace on and off without ever leaving the comfort of your easy chair A wall mo...

Page 30: ...w desatech com 121353 01F 30 Parts Models VYM27NR and VYM27PR 5 1a 1b 1c 9 3 2 13 12 15 14 18 17 12 12 16 21 12 19 6 8 7 4 11 12 20 10 9 23 22 Note Part numbers 22 and 23 are for natural gas model onl...

Page 31: ...ator to Pilot 1 099387 13 Pilot Tube Regulator to Pilot 1 10 103781 01 Gas Control Valve 1 103781 02 Gas Control Valve 1 11 104611 01 Lower Bracket 1 12 098304 01 Screw 8 x 0 38 7 13 Painted Base Asse...

Page 32: ...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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