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l.  Dust the slag with one handful of dry white silica sand. 

m.  Place a half-dozen dime size pieces of new mineral wool randomly on hearth burner tray. 

n.  Replace the ceramic coal pieces around the front area under the   grating. 

o.  Refill the burner trays on the grate to the rim with new Black Flame Diffuser

 

being careful not to plug pilot 

orifice(s).  

p.  Reinstall the ceramic logs in the positions detailed by the 

Moberg Fireplaces 

log map. 

                 (Additional materials for hearth effects, L-R: sand, 

 v

lite, coals, log-pieces) 

 

 

(Typical hearth effects layout) 

ermicu

 

rouble Shooting:

 

T

 should be completed by qualified gas service or HVAC technician. 

 is grounding the wire snap connector at the igniter terminal. 

2.  The pilot lig

 burner shuts down prematurely; or the 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

aving blue: 

ft at pilot or recirculation of combustion products. 

iv.  The lo

1.  Gas log system will not light. 

a.  Check the gas supply

b.  Check the electrical supply. 

c.  Check igniter(s) for spark. 

i.  Check that nothing

ii.  Check for foreign objects blocking the spark at the igniter tip. 

iii.  Check that the wire connection is clean and tight. 

iv.  Check the ignition wire for continuity. 

hts but the main burner does not; the main

spark after the pilot is lit. 

a.  Check the pilot fla

i.  The pilot flame is small and

• 

Check for lack of gas from

pilot adjustment at minimum. 

t flame is lazy and yellow: 

• 

Check for lack of air from d

minimum. 

t flame is w

• 

Check for excessive dra

 pi t flame is noisy and lifting off the ignitor: 

• 

Check for high gas pressure. 

Page 6 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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