Desa GWP20 GWN20T - Manuals

Page 2 - WARNINGS; DANGER: Carbon monoxide poisoning may lead; This heater shall not be installed in a bedroom or bathroom.; WARNING: Do not use any accessory not ap-; Carbon Monoxide Poisoning:; Early signs of carbon monoxide; SAFETY INFORMATION

107884 F o r m o r e i n f o r m a t i o n , v i s i t w w w . d e s a t e c h . c o m F o r m o r e i n f o r m a t i o n , v i s i t w w w . d e s a t e c h . c o m 2 TABLE OF CONTENTSSAFETY INFORMATION WARNING ICON G 001 WARNINGS IMPORTANT: Read this owner’s manual carefully andcompletely before ...

Page 3 - Continued; LOCAL CODES; Ignitor Button; PRODUCT FEATURES; SAFETY DEVICE

107884 F o r m o r e i n f o r m a t i o n , v i s i t w w w . d e s a t e c h . c o m F o r m o r e i n f o r m a t i o n , v i s i t w w w . d e s a t e c h . c o m 3 3 SAFETY INFORMATION LOCAL CODES PRODUCT IDENTIFICATION UNPACKING PRODUCT FEATURES 4. If you smell gas• shut off gas supply• do not...

Page 4 - Unusually Tight Construction; per kw) of the aggregate input rating; AIR FOR COMBUSTION AND VENTILATION

107884 F o r m o r e i n f o r m a t i o n , v i s i t w w w . d e s a t e c h . c o m F o r m o r e i n f o r m a t i o n , v i s i t w w w . d e s a t e c h . c o m 4 AIR FOR COMBUSTION ANDVENTILATION Today’s homes are built more energy efficient than ever. Newmaterials, increased insulation, and ...

Page 5 - WARNING: If the area in which the heater may be

107884 F o r m o r e i n f o r m a t i o n , v i s i t w w w . d e s a t e c h . c o m F o r m o r e i n f o r m a t i o n , v i s i t w w w . d e s a t e c h . c o m 5 5 AIR FOR COMBUSTION ANDVENTILATION Continued DETERMINING FRESH-AIR FLOW FORHEATER LOCATION Determining if You Have a Confined orUn...

Page 6 - Figure 3 - Ventilation Air from Outdoors; Ventilation Air From Inside Building; Do not provide openings for inlet or outlet air into; Figure 2 - Ventilation Air from Inside Building

107884 F o r m o r e i n f o r m a t i o n , v i s i t w w w . d e s a t e c h . c o m F o r m o r e i n f o r m a t i o n , v i s i t w w w . d e s a t e c h . c o m 6 Figure 3 - Ventilation Air from Outdoors AIR FOR COMBUSTION ANDVENTILATION Continued VENTILATION AIR Ventilation Air From Inside Bu...

Page 7 - INSTALLATION; CHECK GAS TYPE; Figure 4 - Mounting Clearances As Viewed From Front of Heater; Vent-free heaters add moisture to the air. Although

107884 F o r m o r e i n f o r m a t i o n , v i s i t w w w . d e s a t e c h . c o m F o r m o r e i n f o r m a t i o n , v i s i t w w w . d e s a t e c h . c o m 7 7 INSTALLATION WARNING: A qualified service person must in- stall heater. Follow all local codes. CHECK GAS TYPE Use only the corre...

Page 8 - Attaching Thermostat Sensing Bulb; Attaching to Wall Stud:; INSTALLING HEATER TO WALL; Mounting Bracket; Figure 7 - Removing Front Panel Of Heater; Removing Front Panel Of Heater; Figure 6 - Mounting Bracket; Clamp

107884 F o r m o r e i n f o r m a t i o n , v i s i t w w w . d e s a t e c h . c o m F o r m o r e i n f o r m a t i o n , v i s i t w w w . d e s a t e c h . c o m 8 INSTALLATION Thermostat Sensing BulbInstalling Heater To Wall INSTALLATION Continued THERMOSTAT SENSING BULB(Thermostat Models Only...

Page 9 - WARNING: Maintain minimum clearances shown; Marking Screw Locations; Only mark last hole on each end of mounting bracket.; Figure 8 - Mounting Bracket Clearances; Attaching Mounting Bracket To Wall; Wall anchors, mounting screws, and spacers are in hardware; Attaching To Wall Stud Method; Horizontal Slots; Attaching To Wall Anchor Method; Placing Heater On Mounting Bracket

107884 F o r m o r e i n f o r m a t i o n , v i s i t w w w . d e s a t e c h . c o m F o r m o r e i n f o r m a t i o n , v i s i t w w w . d e s a t e c h . c o m 9 9 INSTALLATION Installing Heater To Wall (Cont.) WARNING: Maintain minimum clearances shown in Figure 8. If you can, provide greate...

Page 10 - Figure 12 - Installing Bottom Mounting Screws; Wall; Installing Bottom Mounting Screws; Mark screw locations on wall.; Mounting Base Feet to Heater; Secure base foot to heater using sheet metal screws.; Figure 13 - Installing Base Feet; Sheet Metal Screw

107884 F o r m o r e i n f o r m a t i o n , v i s i t w w w . d e s a t e c h . c o m F o r m o r e i n f o r m a t i o n , v i s i t w w w . d e s a t e c h . c o m 10 Figure 12 - Installing Bottom Mounting Screws Side View Front View Wall Spacer Heater INSTALLATION Continued INSTALLATION Installi...

Page 11 - WARNING: A qualified service person must con-; Install an equipment shutoff valve in an accessible; WARNING: Use pipe joint sealant that is resistant; For natural gas, check gas line pressure before; WARNING: For natural gas, never connect heater; CONNECTING TO GAS SUPPLY; Figure 14 - External Regulator With Vent Pointing Down; Tee Joint

107884 F o r m o r e i n f o r m a t i o n , v i s i t w w w . d e s a t e c h . c o m F o r m o r e i n f o r m a t i o n , v i s i t w w w . d e s a t e c h . c o m 11 11 INSTALLATION Continued INSTALLATION Connecting To Gas Supply For propane/LP gas, the installer must supply an external regulato...

Page 12 - Figure 18 - Checking Gas Joints for Propane/LP Gas; Open; Figure 17 - Checking Gas Joints for Natural Gas; Pressure Testing Heater Gas Connections; Make sure control knob of heater is in the OFF position.; WARNING: Test all gas piping and connections; Pressure Testing Gas Supply Piping System; Correct all leaks at once.; CHECKING GAS CONNECTIONS

107884 F o r m o r e i n f o r m a t i o n , v i s i t w w w . d e s a t e c h . c o m F o r m o r e i n f o r m a t i o n , v i s i t w w w . d e s a t e c h . c o m 12 INSTALLATION Continued INSTALLATION Checking Gas Connections Figure 18 - Checking Gas Joints for Propane/LP Gas Figure 16 - Equipm...

Page 13 - OPERATING HEATER; FOR YOUR SAFETY READ; WARNING: If you do not follow these instructions; LIGHTING INSTRUCTIONS; Figure 19 - Control Knob In The OFF Position; CAUTION: Do not try to adjust heating levels by; MANUAL CONTROL MODELS; Ignitor Electrode

107884 F o r m o r e i n f o r m a t i o n , v i s i t w w w . d e s a t e c h . c o m F o r m o r e i n f o r m a t i o n , v i s i t w w w . d e s a t e c h . c o m 13 13 OFF IGNITOR OPERATING HEATER (MANUAL CONTROL MODELS) For Your Safety Read Before Lighting Lighting Instructions OPERATING HEATE...

Page 14 - OPERATING HEATER (THERMOSTAT CONTROLLED MODELS); Shutting Off Heater; THERMOSTAT CONTROLLED MODELS

107884 F o r m o r e i n f o r m a t i o n , v i s i t w w w . d e s a t e c h . c o m F o r m o r e i n f o r m a t i o n , v i s i t w w w . d e s a t e c h . c o m 14 TO TURN OFF GAS TO APPLIANCE OPERATING HEATER Continued 1. Remove front panel (see Figure 7, page 8). 2. Follow steps 1 through 5 ...

Page 15 - PILOT FLAME PATTERN; Figure 21 - Control Knob In The OFF Position; TO TURN OFF GAS TO APPLIANCE; INSPECTING HEATER; MANUAL LIGHTING PROCEDURE

107884 F o r m o r e i n f o r m a t i o n , v i s i t w w w . d e s a t e c h . c o m F o r m o r e i n f o r m a t i o n , v i s i t w w w . d e s a t e c h . c o m 15 15 IGNITOR PILOT LO OFF HI INSPECTING HEATER Check pilot flame pattern and burner flame pattern often. PILOT FLAME PATTERN Figure ...

Page 16 - CLEANING AND MAINTENANCE; CLEANING BURNER PILOT AIR INLET; WARNING: Turn off heater and let cool before; CABINET; Air Passageways; WARNING: If yellow tipping occurs, your heater; BURNER FLAME PATTERN; Figure 25 - Correct Burner Flame Pattern; Yellow Tipping; Figure 26 - Incorrect Burner Flame Pattern; Pilot Assembly

107884 F o r m o r e i n f o r m a t i o n , v i s i t w w w . d e s a t e c h . c o m F o r m o r e i n f o r m a t i o n , v i s i t w w w . d e s a t e c h . c o m 16 INSPECTING HEATER Burner Flame Pattern CLEANING AND MAINTENANCE ODS/Pilot and BurnerCleaning Burner Pilot Air InletCabinet CLEANIN...

Page 17 - TROUBLESHOOTING; POSSIBLE CAUSE; All troubleshooting items are listed in

107884 F o r m o r e i n f o r m a t i o n , v i s i t w w w . d e s a t e c h . c o m F o r m o r e i n f o r m a t i o n , v i s i t w w w . d e s a t e c h . c o m 17 17 TROUBLESHOOTING TROUBLESHOOTING WARNING: Turn off and un- plug heater and let cool beforeservicing. Only a qualified ser-vice p...

Page 18 - OBSERVED PROBLEM; nance, page 16) or replace burner orifice

107884 F o r m o r e i n f o r m a t i o n , v i s i t w w w . d e s a t e c h . c o m F o r m o r e i n f o r m a t i o n , v i s i t w w w . d e s a t e c h . c o m 18 TROUBLESHOOTING OBSERVED PROBLEM Burner does not light after ODS/pilot is lit Delayed ignition of burner Burner backfiring during ...

Page 19 - IMPORTANT

107884 F o r m o r e i n f o r m a t i o n , v i s i t w w w . d e s a t e c h . c o m F o r m o r e i n f o r m a t i o n , v i s i t w w w . d e s a t e c h . c o m 19 19 WARNING: If you smell gas • Shut off gas supply.• Do not try to light any appliance.• Do not touch any electrical switch; do no...

Page 20 - ILLUSTRATED PARTS BREAKDOWN

107884 F o r m o r e i n f o r m a t i o n , v i s i t w w w . d e s a t e c h . c o m F o r m o r e i n f o r m a t i o n , v i s i t w w w . d e s a t e c h . c o m 20 ILLUSTRATED PARTS BREAKDOWN GN30, GP30 GWN20, GWP20, WMN20, WMP20 2 3 5 6 8 9 9 10 11 12 13 14 16 18 19 4 7 1 21 22 15 17 20 ILLUS...

Page 21 - PARTS LIST

107884 F o r m o r e i n f o r m a t i o n , v i s i t w w w . d e s a t e c h . c o m F o r m o r e i n f o r m a t i o n , v i s i t w w w . d e s a t e c h . c o m 21 21 PARTS LIST This list contains replaceable parts used in your heater. Whenordering parts, follow the instructions listed under R...

Page 24 - SPECIFICATIONS; PARTS UNDER WARRANTY; TECHNICAL SERVICE; When Gas Pressure Is Too Low; SERVICE PUBLICATIONS

107884 F o r m o r e i n f o r m a t i o n , v i s i t w w w . d e s a t e c h . c o m F o r m o r e i n f o r m a t i o n , v i s i t w w w . d e s a t e c h . c o m 24 SPECIFICATIONS SPECIFICATIONSREPLACEMENT PARTSSERVICE HINTSTECHNICAL SERVICESERVICE PUBLICATIONS WMN20 GN30, GN30T GWN20 GWN30T GW...

Page 25 - OWNER'S REGISTRATION FORM

107884 F o r m o r e i n f o r m a t i o n , v i s i t w w w . d e s a t e c h . c o m F o r m o r e i n f o r m a t i o n , v i s i t w w w . d e s a t e c h . c o m 25 25 1. Where will the product be used? ❍ Living/Family Room ❍ Office/Warehouse ❍ Utility Shed/Outbuilding ❍ Garage ❍ Bedroom ❍ Bath...

Page 26 - Postage

107884 F o r m o r e i n f o r m a t i o n , v i s i t w w w . d e s a t e c h . c o m F o r m o r e i n f o r m a t i o n , v i s i t w w w . d e s a t e c h . c o m 26 2701 Industrial DriveP.O. Box 90004Bowling Green, KY 42102-9004 Postage Required TM

Page 27 - ACCESSORIES

107884 F o r m o r e i n f o r m a t i o n , v i s i t w w w . d e s a t e c h . c o m F o r m o r e i n f o r m a t i o n , v i s i t w w w . d e s a t e c h . c o m 27 27 FAN KITS - GA3250T For all models. Provides betterheat distribution. Makes heatermore efficient. Complete instal-lation and ope...

Page 28 - KEEP THIS WARRANTY; WARRANTY INFORMATION; Model; NOT A UPC; LIMITED WARRANTY; For information about this warranty write:

107884 F o r m o r e i n f o r m a t i o n , v i s i t w w w . d e s a t e c h . c o m F o r m o r e i n f o r m a t i o n , v i s i t w w w . d e s a t e c h . c o m 28 KEEP THIS WARRANTY WARRANTY INFORMATION Always specify model and serial numbers when communicating with the factory. We reserve th...