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                            INSTALLATION AND OPERATION GUIDE FOR 

 

                      MOBERG fireplaces 

                         Georgian series gas log system GS-18-3 

For all models tested by OMNI-Test Laboratories, Inc., to ANSI Z21.60-2003/CGA 2.26-2003, Decorative 
Appliance for Installation in Solid Fuel Burning Fireplaces. For model number and OMNI seal refer to 
attached nameplate. 

Copyright Moberg Fireplaces

   1-25-05 

 

 

 

-This appliance to be installed only in a solid fuel burning fireplace with a 
working flue and constructed of noncombustible material. The minimum 
firebox dimensions are: 22” High x 24” Wide x 20” Deep. 

WARNING: If the information in 
this manual is not followed 
exactly, a fire or explosion ma
result causing property dam
personal injury or loss of life. 

age, 

 the 

ier. 

Do not store or use gasoline or 
other flammable vapors and 
liquids in the vicinity to this or any 
other appliance. 

WHAT TO DO IF YOU SMELL GAS 

• 

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. 

• 

Installation and service

 

must be 

performed by a qualified 
installer, service agency or
gas suppl

 

-This gas appliance is designed to burn Natural Gas ONLY. 
-The fireplace’s chimney must have a permanent vent opening to 
atmosphere of not less than 58 square inches. 
-Solid fuels shall not be burned in a fireplace where a decorative appliance 
has been installed. 
-Any chimney damper in the system should be in a fixed open position –or- 
be of an automatic variety that has proving capabilities compatible with 
appliance gas controls. 
-A fireplace screen must be in place when appliance is operating and, 
unless other provisions for combustion air are provided, the screen shall 
have an opening(s) for introduction of combustion air. 
-The minimum inlet supply pressure for the purpose of input adjustment is 
5” W.C. The maximum inlet supply pressure is 10.5” W.C. 
-There are many different local codes for gas-fired systems. Their 
installation and the provision for combustion and ventilation air must 
conform to local codes and, or in the absence of local codes, with the 
National Fuel Gas Code ANSI Z223.1/NFPA 54 or the CSA B149.1, 
Natural Gas and Propane Installation Code. 
-Do not use this appliance if any part has been under water. Immediately 
call a qualified service technician to inspect the appliance and to replace 
any part of the control system and any gas control which has been under 
water. 
-The appliance area is to be clear of combustible materials, gasoline and 
other flammable vapors and liquids. 
-The appliance and its main appliance gas valves must be disconnected 
from the gas supply piping system during any pressure testing of that 
system at test pressures in excess of ½ psi (3.5kPa). The appliance  must 
be isolated from the gas piping system by closing its equipment shutoff 
valve during any pressure testing of the gas supply piping system at test 
pressures equal to or less than ½ psi (3.5kPa). 
-The fireplace chimney or venting system should be examined annually 
and cleaned as required by a qualified agency. 

Page 1 of 16 

Summary of Contents for GS-18-3

Page 1: ...installed Any chimney damper in the system should be in a fixed open position or be of an automatic variety that has proving capabilities compatible with appliance gas controls A fireplace screen must...

Page 2: ...burner s off at Robert Shaw electronic valve Contractor to install grating in firebox prior to MFI technician s arrival on job site Final Installation and Grating Assembly Moberg Fireplaces technician...

Page 3: ...rrow touch buttons Medium selected up and down arrow pushbuttons If medium is selected it will be highlighted The value of the 0 100 can be changed at 1 increments up or down using the arrow touch but...

Page 4: ...ner with effective dust filter It is recommended to have a slender brush attachment fitted to the vacuum hose and a strong light source directed into the firebox Cleaning is best done when fire has be...

Page 5: ...oop the slag from the burner trays d Clean the pilot ignitors being careful not to damage the wire tips or ceramic insulators e Clean the flame sensor tip with emery cloth f Check the ignition bracket...

Page 6: ...igniter continues to me appearance blue clogged orifice filter clogged pilot filter low gas pressure or ii The pilo irty orifice primary air not being provided or pilot adjustment at iii The pilo avi...

Page 7: ...et away or lower assembly at mounting point insulator cracked or damaged Replace pilot igniter assembly gnition wire L ARNING Failure to position the parts in accordance with these diagrams or failure...

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Page 14: ...700 056 1 RS 722 079 Pilot burner ignitor sensors Honeywell 2 Q345A Electronic Solenoid Valve AV K3A441T Lower Main Burner Valve Gas Pressure Regulator w Pressure Tap Maxitrol RV48 Hearth Effects Mate...

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