Monessen Hearth 624DV(ST User Manual
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10
42D0200
Designer Series Gas Fireplaces
INSTaLLaTIoN INFoRMaTIoN
This gas fireplace should be installed by a qualified installer in accordance with local building codes 
and with current CSA-B149 (.1 or .2) Installation codes for Gas Burning Fireplaces and Equipment. 
If the unit is being installed in a mobile home the installation should comply with the current CAN/
CSA Z 240 .4 code.
FOR U.S.A. Installations follow local codes and/or the current National Fuel Gas Code. ANSI 
Z223.1.
INSTaLLaTIoN aNd oPERaTING INSTRuCTIoNS
FIREPLaCE LoCaTIoN
For Safe Installation and operation Please Note 
The Following:
1. This fireplace gives off high temperatures and should be
located out of high traffic areas and away from furniture 
and draperies.
2. Children and adults should be alerted to the hazards
of the high surface temperatures of this fireplace and 
should stay away to avoid burns or ignition of cloth-
ing.
3. Caution, due to high glass surface temperature children
should be carefully supervised when they are in the 
same room as the fireplace.
4. Under no circumstances should this fireplace be modi-
fied. Parts removed for servicing should be replaced 
prior to operating the fireplace again.
5. Installation and any repairs to this fireplace should
be carried out by a qualified service person. A profes-
sional service person should be contacted to inspect 
this fireplace annually. Make it a practice to have all of 
your gas fireplaces checked annually. More frequent 
cleaning may be required due to excess lint and dust 
from carpeting, bedding material, etc.
6. Control compartments, burners and air passages in this
fireplace should be kept clean and free of dust and lint. 
Make sure that the gas valve and pilot light are turned 
off before you attempt to clean this fireplace. 
7. The venting system (chimney) of this fireplace should
be checked at least once a year and if needed your 
venting system should be cleaned.
8. Keep the area around your fireplace clear of combus-
tible materials, gasoline and other flammable vapor and 
liquids. This fireplace should not be used as a drying 
rack for clothing, nor should Christmas stockings or 
decorations be hung on or around the fireplace.
9. Under no circumstances should any solid fuels (wood,
coal, paper or cardboard etc.) be used in this fire-
place.
10. The flow of combustion and ventilation air must not be
obstructed in any way.
11. When the fireplace is installed directly on carpeting,
vinyl tile or any combustible material other than wood, 
the fireplace must be installed on a metal or wood panel 
extending the full width and depth of the fireplace.
12. This fireplace requires adequate ventilation and com-
bustion air to operate properly.
13. This fireplace must not be connected to a chimney flue
serving a separate solid fuel burning fireplace.
14. When the fireplace is not in use it is recommended that
the gas control valve be left in the “OFF” position.
This appliance has been approved for after-market 
mobile home installations.
IMPORTANT:
PLEASE READ THE FOLLOWING CAREFULLY
Remove any plastic from trim parts before turning the 
fireplace ON.
It is normal for fireplaces fabricated of steel to give off some 
expansion and/or contraction noises during the start up or 
cool down cycle. Similar noises are found with your furnace 
heat exchanger or car engine.
It is not unusual for your Monessen gas fireplace to give 
off some odor the first time it is burned. This is due to the 
curing of the paint and any undetected oil from the manu-
facturing process.
Please ensure that your room is well ventilated — open 
all windows.
It is recommended that you burn your Monessen fireplace 
for a least ten (10) hours the first time you use it. If the 
optional fan kit has been installed, place the fan switch in 
the “OFF” position during this time.
