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117001-01B

LOCATING HEATER

This heater is designed to be mounted on a wall.

  WARNING:  Maintain  the 

minimum  clearances  shown 

in Figure 4. If you can, provide 

greater  clearances  from  floor, 

ceiling and joining wall.

 WARNING: Never install the 

heater

•  in a bathroom (10,000 Btu/hr 

only. 6,000 Btu/hr models are 

allowed in a bathroom. Check 

local codes.)

•  in a recreational vehicle

•  where  curtains,  furniture, 

clothing or other flammable 

objects  are  less  than  36" 

(91.5 cm) from the front, top 

or sides of the heater

•  as a fireplace insert

•  in high traffic areas

•  in windy or drafty areas

INSTALLATION

Continued

36" (91.5 cm)

3" (7.7 cm)

FLOOR

CEILING

Minimum

6"

(15.3 cm)

Minimum

From

Sides Of

Heater

Right

Side

Left

Side

Minimum To Top Surface 
Of Carpeting, Tile Or Other 
Combustible Material

Figure 4 - Mounting Clearances As 

Viewed From Front of Heater

 CAUTION: If you install the 

heater in a home garage

•  heater  pilot  and  burner  must 

be at least 18" (45.7 cm) above 

floor

•  locate  heater  where  moving 

vehicle will not hit it

 CAUTION: This heater cre-

ates  warm  air  currents.  These 

currents move heat to wall sur-

faces  next  to  heater.  Installing 

heater next to vinyl or cloth wall 

coverings  or  operating  heater 

where impurities (such as, but 

not limited to, tobacco smoke, 

aromatic candles, cleaning flu

-

ids, oil or kerosene lamps, etc.) in 

the air exist, may discolor walls 

or cause odors.

IMPORTANT:

 

Vent-free heaters add moisture to 

the air. Although this is beneficial, installing heater 

in rooms without enough ventilation air may cause 

mildew to form from too much moisture. See 

Air 

for Combustion and Ventilation, 

page 5. If high hu

-

midity is experienced, a dehumidifier may be used 

to help lower the water vapor content in the air.

For convenience and efficiency, install heater

•  where there is easy access for operation, inspec

-

tion and service

•  in coldest part of room

THERMOSTAT SENSING BULB 

(Thermostat Models Only)

The thermostat sensing bulb is located inside the 

heater. Do not move this bulb during installation 

or operation of the heater.

INSTALLING HEATER TO WALL

Marking Screw Locations

1.  Determine where you will locate heater.

  WARNING:  Maintain  mini-

mum clearances shown in Figure 

5,  page  9.  If  you  can,  provide 

greater  clearances  from  floor 

and joining wall.

2.  Mark two mounting screw locations on wall 

(see Figure 5, page 9).

Summary of Contents for DWN6

Page 1: ...flammable vapors and liquids in the vicinity of 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 yo...

Page 2: ...cer or birth defects or other reproductive harm IMPORTANT Read this owner s manualcarefullyandcompletely before trying to assemble operate or service this heater Improper use of this heater can cause...

Page 3: ...propane LP supply tank s in side any structure Locate propane LP supply tank s outdoors 3 Do not install 10 000 Btu hr units in a bath room 6 000 Btu hr heaters are allowed in a bathroom 4 If you smel...

Page 4: ...upon sale of the unit Vent free gas products are prohibited for bed room and bathroom installation in the Com monwealth of Massachusetts Unpacking 1 Remove heater from carton 2 Remove all protective...

Page 5: ...e air that leaks around doors and windows may provide enough fresh air for combustion and ventilation However in buildings of unusually tight construction you must provide additional fresh air Unusual...

Page 6: ...ls or ducts DETERMINING FRESH AIR FLOW FOR Heater LOCATION Determining if You Have a Confined or Unconfined Space Use this work sheet to determine if you have a confined or unconfined space Space Incl...

Page 7: ...this heater as your primary heat source WARNING A qualified ser vice person must install heater Follow all local codes CHECK GAS TYPE Use only the correct type of gas natural or pro pane LP If your g...

Page 8: ...currents These currents move heat to wall sur faces next to heater Installing heater next to vinyl or cloth wall coverings or operating heater where impurities such as but not limited to tobacco smoke...

Page 9: ...thick walls over 1 2 1 3 cm thick or solid walls do not pop open wings 5 Tighten two screws until 1 16 1 6 mm space thickness of penny is between screwheads and wall see Figure 8 Installation Continu...

Page 10: ...codes Use pipe of large enough diameter to allow proper gas volume to heater If pipe is too small undue loss of volume will occur Installation Continued Figure 12 External Regulator With Vent Pointin...

Page 11: ...pliance main gas valve control valve and equipment shutoff valve from gas supply piping system Pressures in excess of 1 2 psig will damage heater regulator 2 Cap off open end of gas pipe where equipme...

Page 12: ...sion D 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 con...

Page 13: ...ntil repairs are made light pilot with match To light pilot with match see Manual Lighting Procedure page 14 8 Keep control knob pressed in for 30 seconds after lighting pilot After 30 seconds release...

Page 14: ...Pilot Burner Thermocouple Blue Flame Yellow Flame Figure 20 Correct Pilot Flame Pattern Figure 21 Incorrect Pilot Flame Pattern Note The pilot flame on natural gas units will have a slight curve but f...

Page 15: ...ason Blocked air holes will create soot We recommend that you clean the unit every three months during operation and have heater inspected yearly by a qualified service person We also recommend that y...

Page 16: ...s when in stalled 5 Depleted gas supply propane LP only 6 ODS pilot is clogged 7 Gas regulator setting is not correct REMEDY 1 Replace pilot assembly 2 Replace pilot assembly 3 Reconnect ignitor cable...

Page 17: ...knob fully 2 After ODS pilot lights keep control knob pressed in 30 seconds 3 Fully open equipment shutoff valve 4 Hand tighten until snug then tighten 1 4 turn more 5 A Contact local natural or propa...

Page 18: ...lace gas regulator 1 Problem will stop after a few hours of operation 1 Turn control knob to lowest position and let warm up for a minute 2 Operate burner until air is removed from line Have gas check...

Page 19: ...ance page 15 1 Locate and correct all leaks see Checking Gas Connec tions page 11 2 Replace control valve 1 Take apart gas tubing and remove foreign matter 2 Locate and correct all leaks see Checking...

Page 20: ...www desatech com 117001 01B 20 9 11 10 1 2 3 4 5 6 7 8 10 12 13 14 16 17 20 21 19 23 22 18 24 15 Illustrated Parts Breakdown Models GWP6 GWN6 GWP10 and GWN10 11 1 11 ODS Pilot...

Page 21: ...7 Pilot Tubing 1 14 104259 01 Injector 1 piece 1 104259 02 Injector 1 piece 1 104259 03 Injector 1 piece 1 104259 04 Injector 1 piece 1 15 NJF 8C Hex Nut 1 16 099415 17 Pressure Regulator 1 099415 18...

Page 22: ...www desatech com 117001 01B 22 ILLUSTRATED PARTS BREAKDOWN Models GWP10T and GWN10T 15 1 2 3 5 6 7 8 4 13 9 10 12 13 14 11 17 19 18 9 20 21 16 11 1 11 ODS Pilot...

Page 23: ...ly 1 11 1 110186 01 Thermocouple Kit 1 12 104263 03 Burner 1 13 099387 11 Pilot Tubing 1 14 104259 05 Injector 1 Piece 1 104259 06 Injector 1 Piece 1 15 NJF 8C Hex Nut 1 16 099415 17 Pressure Regulato...

Page 24: ...ensions H x W x D 25 x 16 75 x 7 75 63 5 x 42 5 x 19 7 cm Heater Weight 13 5 6 1 kg Heater Shipping Weight 15 lb 6 8 kg GWP6 4 400 6 000 Btu hr Variable Propane LP Gas Piezo Ignition Pressure Regulato...

Page 25: ...serial numbers of your heater ready You can also visit DESAHeating Products techni cal service web site at www desatech com Service Publications Youcanpurchaseaservicemanualfromtheaddress listed on t...

Page 26: ..._____________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ _____...

Page 27: ...provide original factory replacement parts Failure to use original factory replacement parts voids this warranty The heater MUST be installed by a qualified installer in accordance with all local cod...

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