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Flatfire  

Direct Vent Gas Fireplace 

 

Installation Overview 

S

s must be addressed when selecting a 

s

on for your Flatfire fireplace. The 

minimum clearances to combustible construction 
a

dition, access to the gas 

s

d. The location of the 

f

ffect the venting requirements 

a

e certain the location will allow 

c

he venting requirements (on the 

n

 insure that your 

in

uate accessibility 

c

 proper operation. 

 
MINIMUM CLEARANCES TO COMBUSTIBLE 

everal issue

uitable locati

re listed below. In ad

sidere

upply must be con

ireplace will also a

nd you must b

ompliance with t

ext page). You must also

stallation provides adeq

learance for servicing and

 

 

C

N

ONSTRUCTIO  

A

 

=Glass Frame to Left/Right Side Wall 

6”(15cm)

A

 

’=Fireplace Surround to Left/Right Side Wall 

0”(0cm)

B

6”(15cm) 

=Glass Frame to Corner Wall 

B

cm) 

’=Fireplace Surround to Corner Wall 

0”(0

C

m) 

=Glass Frame to Ceiling 

18”(46c

C’=Fireplace Surround to Ceiling 

12”(30cm) 

D=Glass Frame to Floor* 

6”(15cm) 

D’=Fireplac

0”(0cm) 

e Surround to Floor* 

E= ireplace to Rear Wall** 

0”(0cm) 

F

Vent Pipe to Adjacent Materials 

1.5”(4cm) 

*  T

ce to be maintained from 

he minimum required clearan

the fireplace to combustible flooring is measured from 
the top surface of carpeting, tile, etc. 

** Mounting plate thimbles 5/16”(8mm) thick contact the 

wall. 

 
Installation a

ld be done by a qualified 

service person. The appliance should be inspected 
before use and at least annually by a professional 

ore frequent cleaning may be 

xcessive lint from carpeting, 

assage

he gas fireplace is s

d with

onnection. The gas supply piping should have a 
eparate gas shutoff valve and a 

” NPT plugged 

pping upstream of the valve. The fireplace and its 
ain control valve must be disconnected from the 

as supply piping system during any pressure 

ss of 

an ½ psi (3.5 kPa). After the ga

onnected, use a commercial gas leak detector or 

pply a soapy water solution to all the fittings to 

heck for gas leaks. Never use a flame to test for 

leaks. 

nd repair shou

service person. M
required due to e
bedding material, etc. It is imperative that the 
control compartment, burners and circulating air 
p

ways of the appliance be kept clean. 

 
T

hippe

 a plugged 

” NP

c
s
ta
m
g
testing of that system at test pressures in exce

 psi (3  kPa). he sto

½

.5

 T

ve must be isolated from 

the gas supply piping system by closing the main 

 

control valve during any pressure testing of the gas

upply system a test pr

s

essures equal to or less 

s supply has been 

th
c
a
c

 

 

 

 

 

Page 5 of 25 

Version 10-09

 

Summary of Contents for Flatfire FF-NG

Page 1: ...om heating appliance It must not be used for any other purposes such as drying clothes etc WARNING If the information in these instructions is not followed exactly a fire or explosion may result causi...

Page 2: ...NG THE BURNER GLASS MEDIA 15 RELIEF DOOR INSTALLATION 15 INSTALLING THE FRONT GLASS FRAME 16 INSTALLING THE OUTER PANELS 16 INSTALLING THE FIREPLACE SURROUND 16 Gas Connection 17 GAS SUPPLY LINE 17 GA...

Page 3: ...eration Due to the high temperature the appliance ould be LOCATED out of traffic areas and away from Any safety screen or guard removed for servicing MUST furniture and draperies Clothing or flammabl...

Page 4: ...how the fireplace is It is recommended that the pilot flame be turned n een certified by OMNI Test SA This appliance is equipped for use with the fuel type indicated on the rating plate 70 If than ut...

Page 5: ...ombustible flooring is measured from the top surface of carpeting tile etc Mounting plate thimbles 5 16 8mm thick contact the wall Installation a ld be done by a qualified service person The appliance...

Page 6: ...vent run The total venting may not exceed 60 feet of vertical rise and or 20 feet horizontal run Custom testing is available for installations ov the limits for approvals Refer to the Venting Chart on...

Page 7: ...ontal termination or if more than 12 of horizontal vent run is required some vertical vent be required for the fireplace to function and vent GAS VENTING CHART prope install to a maximum of four 90 lb...

Page 8: ...TOTA L 90 ELBOWS EQUIVALENT D E x G 90 ELBOWS IN EXCESS OF 2 F 2 H ADDITIONAL HORIZONTAL FEET EQUIVALENT FEE G x 3 T I TOTAL HORIZ NT L V NT UN O A E R equivalent FEE C H T TER TIO C P YPE ORIZONTAL...

Page 9: ...RNATIVES he illustration below shows some of the many ways the Flatfire fireplace may be installed in the home This includes interior and exterior wall insta ontal and vertical vent terminations T lla...

Page 10: ...e Direct Vent Gas Fireplace Flatfire Direct Vent Gas Fireplace Page 10 of 25 Version 10 09 VENT TERMINAL CLEARANCES Venting terminals should not be recessed into a wall or siding Page 10 of 25 Version...

Page 11: ...and limitations that must be met for the location of the vent terminal relative to doors windows corners eaves gas supply components and other structural elements of the house Refer to the specific r...

Page 12: ...ructed wall pass through is required to allow for a safe installation of the vent components This will necessitate remova of a portion of the interior wall covering e g sheetrock or plaster and lath o...

Page 13: ...h square and level to the inside wall to transfer the vent pass through center location from the inner wall covering through to the wall covering on the back side of the partition wall Carefully cut...

Page 14: ...e you have achieved a level position 10 The next step is to install the vent starter pipe onto the fireplace First you should remove the glass frame from the front of the firebox by unclipping the cli...

Page 15: ...the proper amount of glass material to cover the burner Empty the entire contents of the and distribute evenly over the burner tray Locate the burner in the fireplace Clip a corn of the poly bag to fo...

Page 16: ...e top front edge of the left side panel and align with the PEM nut in the front of the top panel Insert the Philips head screw Make sure the edges of the pan aligned with the edges of the top panel an...

Page 17: ...Line nection to Control Valve Inlet and the mmended location for Shut off Valve GAS CONNECTION 1 Verify that the gas type is correct for the fireplace by looking at the rating plate that i atta Note T...

Page 18: ...emoving the two mounting straps as they will not be used Be sure the arrow on the cap if present is pointing up and rec all the vent cap location requirements and the vent manufacturer s requirements...

Page 19: ...tion of the vent components The pipe sections may have twist lock connections which Be sure that the two vent pipe heat shields extend at least 2 beyond the rear side of the partition wall adjacent to...

Page 20: ...ire is lit The ames should span vertically across the fireplace 2 3 ty 4 ntrol valve shown above e b On the touch pad shown at right located on right of the the ignition is in progress c Once pilot ig...

Page 21: ...the pilot will not stay lit after several tries turn the gas control knob 1 to OFF 3 and call your local service technician or gas supplier d If the pilot is press button A to increa press button C t...

Page 22: ...IMER Timer Mode Appliance must be in stan allo dby mode pilot ignited The Timer setting ws you to set two 2 burner TEMP times and two 2 burner dTEMP times every 24 hours For dTE rmostat TEMP must be M...

Page 23: ...ce press the frame against the firebox while pushing down to be sure the frame is fully engaged in the frame retainer Hold the f in place and press it agai in the sides Replace the fireplace surround...

Page 24: ...o the first purchaser user of thi limitations in paragraph 3 Please review the c requirements 1 Extended Warranty Coverage For a period of up to ten 10 years Wittus In option pay the initial pur which...

Page 25: ...alled Fuel Natural Gas Liquid Propane Gas Inlet Pressure measured after Installation wc Manifold Pressure measured after Installation High Fire wc Low Fire wc Venting Vent Brand Selkirk Direct Temp EX...

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