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123779-01C

4

SAFETy

Continued

11. Keep all air openings in front and at bottom 

of heater clear and free of debris. This will 
insure enough air for proper combustion.

12. Do not run fireplace

• where flammable liquids or vapors are 

used or stored.

• under dusty conditions.

13. Do not use this fireplace to cook food or 

burn paper or other objects.

14. Never place any objects in the fireplace 

or on logs.

15. Do not use fireplace if any part has been 

under water. Immediately call a qualified 

service  technician  to  inspect  the  room 

fireplace  and  to  replace  any  part  of  the 

control system and any gas control which 
has been under water.

16. Turn  off  fireplace  and  let  cool  before 

servicing. Only a qualified service person 
should service and repair fireplace.

17. Operating  fireplace  above  elevations  of 

4,500 feet could cause pilot outage.

18. Do  not  operate  fireplace  if  any  log  is 

broken. Do not operate fireplace if a log 
is chipped (dime-sized or larger).

19. To prevent performance problems, do not 

use propane/LP fuel tank of less than 100 
lbs. capacity.

20. Provide adequate clearances around air 

openings.

5.  Do not use this fireplace as a wood-burn

-

ing fireplace. Use only the logs provided 
with the fireplace.

6.  Do not add extra logs or ornaments such 

as pine cones, vermiculite or rock wool. 

Using these added items can cause soot-
ing. Do not add lava rock around base. 
Rock and debris could fall into the control 

area of fireplace.

7.  This fireplace is designed to be smokeless. 

If logs ever appear to smoke, turn off fire

-

place and call a qualified service person. 

 

Note: During initial operation, slight smok-

ing could occur due to log curing and fire

-

place burning manufacturing residues.

8.  To prevent the creation of soot, follow the 

instructions in 

Cleaning

, page 18.

9.  Before using furniture polish, wax, carpet 

cleaner or similar products, turn fireplace 
off. If heated, the vapors from these prod

-

ucts may create a white powder residue 
within burner box or on adjacent walls or 
furniture.

10. This fireplace needs fresh air ventilation to 

run properly. This fireplace has an Oxygen 

Depletion  Sensing  (ODS)  safety  shutoff 

system.  The  ODS  shuts  down  the  fire

-

place if not enough fresh air is available. 
See Air for 

Combustion and Ventilation

page 7. If fireplace keeps shutting off, see 

Troubleshooting

, page 19.

LOcAL cODES

Install and use fireplace with care. Follow all 
local  codes. In the absence  of local  codes, 

use  the  latest  edition  of 

The  National  Fuel 

Gas Code ANSI Z223.1/NFPA 54*

.

*Available from:

American National Standards Institute, Inc.

1430 Broadway

New York, NY 10018

National Fire Protection Association, Inc.

Batterymarch Park

Quincy, MA 02269

State of Massachusetts: 

The installation 

must  be  made  by  a  licensed  plumber  or 

gas  fitter  in  the  Commonwealth  of  Mas

-

sachusetts.
Sellers  of  unvented  propane  or  natural 

gas-fired supplemental room heaters shall 

provide to each purchaser a copy of 527 
CMR 30 upon sale of the unit.
Vent-free gas products are prohibited for 
bedroom and bathroom installation in the 
Commonwealth of Massachusetts.

Summary of Contents for CFFP18NT

Page 1: ...y appliance Do not touch any electrical switch do not use any phone in your building Immediatelycallyourgassupplierfromaneighbor s phone Follow the gas supplier s instructions If you cannot reach your...

Page 2: ...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 not for purpose of resale from the manufacturer WARNING...

Page 3: ...tered burner patterns can cause sooting Due to high temperatures the appliance should be located out oftrafficandawayfromfurniture and draperies SAFETY Continued Do not place clothing or other flammab...

Page 4: ...ea of fireplace 7 This fireplace is designed to be smokeless If logs ever appear to smoke turn off fire place and call a qualified service person Note During initial operation slight smok ing could oc...

Page 5: ...ton Log is wrapped and inside fireplace Do not remove at this time 2 Remove all protective packaging applied to fireplace for shipment 3 Make sure fireplace includes one hard ware packet 4 Check firep...

Page 6: ...hillips screwdriver 5 16 hex wrench slotted screwdriver scissors 1 Remove two screws that hold fireplace screen in place for shipping These screws are located near top of screen Discard screws Lift fi...

Page 7: ...e and provide adequate ventilation The air that leaks around doors and windows may provide enough fresh air for combustion and ventilation However in buildings of un usually tight construction you mus...

Page 8: ...page 9 Follow the National Fuel Gas Code ANSI Z223 1 NFPA 54 Air for Combustion and Ventilation for required size of ventilation grills or ducts 30 000 10 000 40 000 DETERMINING FRESH AIR FLOW FOR FI...

Page 9: ...for required size of ventilation grills or ducts IMPORTANT Do not provide openings for inlet or outlet air into attic if attic has a thermo stat controlled power vent Heated air entering the attic wi...

Page 10: ...and service in coldest part of room CAUTION This fireplace cre ates warm air currents These currents move heat to wall sur faces next to fireplace Installing fireplacenexttovinylorclothwall coverings...

Page 11: ...Combustible to Wall Minimum 16 from Side Wall Example NOTICE Surface temperatures ofadjacentwallsandmantelsbe comehotduringoperation Walls and mantels above the firebox may become hot to the touch If...

Page 12: ...e gas line to fireplace gas regulator See Connecting to Gas Supply 5 Check all gas connections for leaks See Checking Gas Connections page 14 CONNECTING TO GAS SUPPLY WARNING This appliance requires a...

Page 13: ...Gas Line from Fireplace Gas Regulator Provided With Fireplace To Gas Regulator Equipment Shutoff Valve Propane LP To External Regulator NaturAL To Gas Supply CONNECTING Fireplace to Gas Supply Install...

Page 14: ...e LP gas or opening main gas valve located on or near gas meter for natural gas or using compressed air 4 Check all joints of gas supply piping sys tem Apply noncorrosive leak detection fluid to all j...

Page 15: ...lve to gas regulator see Figure 11 page 14 or Figure 12 Apply noncorrosive leak detection fluid to all joints Bubbles forming show a leak 5 Correct all leaks at once 6 Light fireplace see Operation pa...

Page 16: ...he screen in place Make sure fireplace screen is installed before run ning fireplace Figure 14 Control Knob In the OFF Position Piezo Ignitor Control Knob NOTICE During initial opera tion of new firep...

Page 17: ...ghting Instructions page 16 2 With control knob pressed in strike match Hold match to pilot until pilot lights 3 Keep control knob pressed in for 30 sec onds after lighting pilot After 30 seconds rele...

Page 18: ...pect burner pilot and primary air inlet holes on injector holder for dust and dirt see Figure 20 3 Blow air through the ports slots and holes in the burner 4 Check injector holder located at the end o...

Page 19: ...ctrode not con nected to ignitor cable 2 Ignitor cable pinched or wet 3 Broken ignitor cable 4 Bad ignitor 5 Ignitor electrode posi tioned wrong 6 Ignitor electrode broken REMEDY 1 Reconnect ignitor c...

Page 20: ...ow gas pressure B Dirty or partially clogged ODS pilot 5 Thermocouple connection loose at control valve 6 Thermocouple damaged 7 Control valve damaged 1 Inlet gas pressure is too low 2 Burner orifice...

Page 21: ...heated vapors from furniture polish wax carpet cleaners etc may turn into white powder residue 1 Not enough combustion ventilation air REMEDY 1 Contact local natural or propane LP gas company 2 Clean...

Page 22: ...2 Low line pressure 3 ODS pilot is partially clogged 1 Gas leak See Warning statement at top of page 2 Control valve defective 1 Foreign matter between control valve and burner 2 Gas leak See Warning...

Page 23: ...on tact DESA Heating LLC at 1 866 672 6040 When calling please have your model and serial numbers of your heater ready You can also visit DESA Heating LLC s web site at www desatech com Replacement Pa...

Page 24: ...www desatech com 123779 01C 24 Parts Firebox Models CFFP18NT AND CFFP18PT Not shown to scale 1 2 4 3 5 6 7 9 10 11 10 8 16 17 12 13 14 15...

Page 25: ...1 124043 01 Top Trim Panel 1 2 123698 01 21 Fireplace Wrapper 1 3 123701 01 Firebox Hood 1 4 123700 01 Heat Deflector 1 5 118941 04 Top Liner 1 6 118941 02 Left Side Liner 1 7 118941 01 Rear Liner 1 8...

Page 26: ...www desatech com 123779 01C 26 Parts Burner Models CFFP18NT AND CFFP18PT 1 4 5 6 8 16 9 10 11 15 12 7 2 3 17 13 14...

Page 27: ...ur fireplace When ordering parts follow the instructions listed under Replacement Parts on page 23 of this manual KEY NO PART NO DESCRIPTION QTY 1 119310 01 Burner 1 2 112881 05 Pilot Shield 1 3 12063...

Page 28: ...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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