Desa GMP16T - Manuals - manualsarea.com

Page 2 - TABLE OF CONTENTS

www.desatech.com 113048-01C 2 WARNING: Improper installation, adjustment, altera-tion, service, or maintenance can cause injury or prop-erty damage. Refer to this manual for correct installationand operational procedures. For assistance or addi-tional information consult a qualified installer, servi...

Page 3 - SAFETY INFORMATION; DANGER: Carbon monoxide; Carbon Monoxide Poisoning:; Get fresh; WARNING: Any change to

www.desatech.com 3 113048-01C SAFETY INFORMATION WARNING: This product con- tains and/or generates chemicalsknown to the State of Californiato cause cancer or birth defects,or other reproductive harm. IMPORTANT: Read this owner’smanual carefully and completelybefore trying to assemble, oper-ate, or ...

Page 4 - Continued; Ignitor Button; SAFETY DEVICE

www.desatech.com 113048-01C 4 SAFETY INFORMATION Continued PRODUCT IDENTIFICATION Figure 1 - Vent-Free Gas Heater Ignitor Button Control Knob HeaterCabinet Front Panel Glass Panel Grill Guard 5. This heater needs fresh, outside air ventila- tion to run properly. This heater has an Oxy-gen Depletion ...

Page 5 - WARNING: This heater shall; The following are excerpts from; b. weather stripping has been added on; The

www.desatech.com 5 113048-01C AIR FOR COMBUSTION AND VENTILATION WARNING: This heater shall not be installed in a confinedspace or unusually tight con-struction unless provisions areprovided for adequate combus-tion and ventilation air. Readthe following instructions to in-sure proper fresh air for ...

Page 6 - tilation Air From Inside Building; WARNING: If the area in

www.desatech.com 113048-01C 6 AIR FOR COMBUSTION AND VENTILATION Continued DETERMINING FRESH-AIR FLOWFOR HEATER LOCATION Determining if You Have a Confined orUnconfined Space Use this work sheet to determine if you have a con-fined or unconfined space. Space: Includes the room in which you will inst...

Page 7 - AIR FOR COMBUSTION; Ventilation Air From Inside Building; National Fuel Gas; Ventilation Air From Outdoors; for required size of ventilation grills or ducts.; INSTALLATION; CHECK GAS TYPE; WARNING: This appliance is

www.desatech.com 7 113048-01C Figure 3 - Ventilation Air from Outdoors Figure 2 - Ventilation Air from Inside Building Or Remove Door into Adjoining Room, Option 3 Ventilation Grills Into Adjoining Room, Option 2 12" 12" Ventilation Grills into Adjoining Room, Option 1 OutletAir VentilatedAt...

Page 8 - INSTALLATION ITEMS; Accessorie; LOCATING HEATER; This heater is designed to be mounted on a wall.; WARNING: Maintain the; WARNING: Never install the; Figure 4 - Mounting Clearances As; Vent-free heaters add moisture to the; CAUTION: If you install the; Accessories

www.desatech.com 113048-01C 8 INSTALLATION ITEMS Before installing heater, make sure you have theitems listed below.• external regulator (supplied by installer)• piping (check local codes)• sealant (resistant to propane/LP gas)• equipment shutoff valve *• ground joint union• sediment trap• tee joint...

Page 9 - Figure 5 - Attaching Thermostat Sensing; Clamp; Figure 6 - Mounting Bracket; Snap clamp into upper mounting hole as shown; INSTALLING HEATER TO WALL; Mounting Bracket; Remove the four painted screws, two on each; Marking Screw Locations; Tape mounting bracket to wall where heater

www.desatech.com 9 113048-01C INSTALLATION Continued Figure 5 - Attaching Thermostat Sensing Bulb Figure 7 - Removing Front Panel Of Heater Clamp ThermostatSensing Bulb Figure 6 - Mounting Bracket THERMOSTAT SENSING BULB(Thermostat Models Only) The thermostat sensing bulb has been placed be-low the ...

Page 10 - Adjoining Wall; Attaching Mounting Bracket To Wall; Horizontal Slots; Placing Heater On Mounting Bracket

www.desatech.com 113048-01C 10 INSTALLATION Continued 30,000 Btu/Hr Models 20,000 Btu/Hr Models Figure 8 - Mounting Bracket Clearances 18 3 / 4 " Min. 12" Min. 14" Adjoining Wall Only Insert Mounting Screws Through Last Hole On Each End Floor 14" 18 3 / 4 " Min. 8" Min. Adjoi...

Page 11 - Wall; Figure 13 - Installing Base Feet; Sheet Metal Screw; Installing Bottom Mounting Screws; Attaching To Wall; Mounting Base Feet to Heater; Removing Front

www.desatech.com 11 113048-01C Figure 12 - Installing Bottom Mounting Screws Side View Front View Wall Spacer Heater INSTALLATION Continued Figure 13 - Installing Base Feet Sheet Metal Screw WoodScrew Base Foot Installing Bottom Mounting Screws 1. Locate two bottom mounting holes. These holes are ne...

Page 12 - Figure 14 - External Regulator With Vent; External Regulator; Figure 15 - Gas Connection; CONNECTING TO GAS SUPPLY; WARNING: This appliance; Typical Inlet Pipe Diameters; Install an equipment shutoff valve

www.desatech.com 113048-01C 12 INSTALLATION Continued Figure 14 - External Regulator With Vent Pointing Down External Regulator Propane/LPSupply Tank VentPointingDown Tee Joint ReducerBushing to1/8" NPT 1/8" NPTPlug Tap Test Gauge Connection* 3/8" NPTPipe Nipple HeaterCabinet EquipmentSh...

Page 13 - WARNING: Use pipe joint; CHECKING GAS CONNECTIONS; WARNING: Never use an; Figure 16 - Equipment Shutoff Valve; Open; Figure 17 - Checking Gas Joints for; Equipment Shutoff Valve

www.desatech.com 13 113048-01C INSTALLATION Continued Apply pipe joint sealant lightly to male NPTthreads. This will prevent excess sealant from go-ing into pipe. Excess sealant in pipe could resultin clogged heater valves. WARNING: Use pipe joint sealant that is resistant to liquidpetroleum (LP) ga...

Page 14 - Figure 18 - Control Knob In The OFF; Check all joints from equipment shutoff valve; OPERATING HEATER; FOR YOUR SAFETY

www.desatech.com 113048-01C 14 OFF IGNITOR Figure 18 - Control Knob In The OFF Position Ignitor Button Control Knob INSTALLATION Continued PRESSURE TESTING HEATER GASCONNECTIONS 1. Open equipment shutoff valve (see Figure 16, page 13). 2. Open propane/LP supply tank valve.3. Make sure control knob o...

Page 15 - WARNING: When running; structions; Thermostat Models

www.desatech.com 15 113048-01C If pilot does not light• turn control knob clockwise to the OFF position • repeat steps 5 and 6 If pilot does not stay lit after several tries • refer to Troubleshooting , page 20 • contact a qualified service person or gas supplier for repairs Until repairs are made, ...

Page 16 - Ignitor Electrode; Figure 21 - Control Knob In The OFF; THERMOSTAT CONTROLLED; Troubleshooting; TO TURN OFF GAS; Shutting Off Heater

www.desatech.com 113048-01C 16 OPERATING HEATER Continued Figure 22 - Pilot (actual pilot may vary) Ignitor Electrode Pilot Burner Thermocouple O FF PI L OT Figure 21 - Control Knob In The OFF Position Ignitor Button Control Knob 7. Keep control knob pressed in for 30 sec- onds after lighting pilot....

Page 17 - THERMOSTAT CONTROL; The thermostat sensing bulb measures; MANUAL LIGHTING; Hold match to pilot until pilot lights.; Lighting Instructions; Figure 25 - Incorrect Pilot Flame Pattern; Thermocouple; INSPECTING HEATER; PILOT FLAME PATTERN; To Turn Off Gas to Appli-

www.desatech.com 17 113048-01C Figure 23 - Burner Patterns for Infrared Heaters Only Control Knob GMP16T GMP26T OPERATING HEATER Continued O F F P IL O T O F F P IL O T THERMOSTAT CONTROL OPERATION The thermostatic control used on these modelsdiffers from standard thermostats. Standardthermostats si...

Page 18 - INPECTING HEATER; WARNING: If yellow tipping

www.desatech.com 113048-01C 18 1/2 G 1/2 G Figure 26 - Correct Burner Flame Pattern for Blue Flame Heaters YellowTipping Figure 27 - Incorrect Burner Flame Pattern for Blue Flame Heaters 1 / 2 Glass Height 1 / 2 Glass Height BlueFlame INPECTING HEATER Continued BURNER FLAME PATTERN FORBLUE FLAME HEA...

Page 19 - WARNING: Turn off heater; BURNER PILOT AIR INLET; Figure 30 - Pilot Inlet Air; Pilot Air Inlet; CABINET; Air Passageways

www.desatech.com 19 113048-01C CLEANING AND MAINTENANCE WARNING: Turn off heater and let cool before cleaning. CAUTION: You must keep control areas, burner, and cir-culating air passageways ofheater clean. Inspect these ar-eas of heater before each use.Have heater inspected yearly bya q u a l i f i ...

Page 20 - TROUBLESHOOTING; WARNING: Turn off and unplug heater and let cool before servic-; POSSIBLE CAUSE; Cleaning

www.desatech.com 113048-01C 20 TROUBLESHOOTING WARNING: Turn off and unplug heater and let cool before servic- ing. Only a qualified service person should service and repair heater. CAUTION: Never use a wire, needle, or similar object to clean ODS/pilot. This can damage ODS/pilot unit. Note: All tro...

Page 22 - nance

www.desatech.com 113048-01C 22 TROUBLESHOOTING Continued OBSERVED PROBLEM Yellow flame during burner com-bustion Slight smoke or odor during ini-tial operation Heater produces a whistling noisewhen burner is lit White powder residue formingwithin burner box or on adjacentwalls or furniture POSSIBLE ...

Page 23 - impor tant; OBSERVED PROBLEM

www.desatech.com 23 113048-01C WARNING: If you smell gas • Shut off gas supply.• Do not try to light any appliance.• Do not touch any electrical switch; do not use any phone in your building. • Immediately call your gas supplier from a neighbor’s phone. Follow the gas supplier’s instructions. • If y...

Page 24 - SPECIFICATIONS

www.desatech.com 113048-01C 24 SPECIFICATIONS GMP30BT GMP20BT Btu (Variable) 15,000/30,000 10,000/20,000 Type Gas Propane/LP Only Propane/LP Only Ignition Piezo Piezo Pressure Regulator Setting 8" W.C. 8" W.C. Inlet Gas Pressure (in. of water) Maximum 14" 14" Minimum 11" 11" ...

Page 25 - SERVICE HINTS; When Gas Pressure Is Too Low; TECHNICAL SERVICE; Use only original replacement parts. This; PARTS UNDER WARRANTY; ACCESSORIES; Equipment shutoff valve with; For all piezo ignitor models.; Provides easier light-

www.desatech.com 25 113048-01C SERVICE HINTS When Gas Pressure Is Too Low • pilot will not stay lit• burner will have delayed ignition• heater will not produce specified heat• propane/LP gas supply may be lowYou may feel your gas pressure is too low. Ifso, contact your local propane/LP gas supplier....

Page 26 - ILLUSTRATED PARTS BREAKDOWN

www.desatech.com 113048-01C 26 ILLUSTRATED PARTS BREAKDOWN MODELS GMP16, GMP26, GMP16T, AND GMP26T 14 15 8 5 6 7 4 3 1 2 16 10 9 11 12 13 17 See Pages28 & 29

Page 27 - PARTS LIST; Replacement Parts; KEY; PARTS AVAILABLE-NOT SHOWN

www.desatech.com 27 113048-01C PARTS LIST This list contains replaceable parts used in your heater. When ordering parts, follow the instructionslisted under Replacement Parts on page 25 of this manual. KEY PART NUMBER NO. GMP16 GMP26 GMP16T GMP26T DESCRIPTION QTY. 1 107673-01 107676-01 107673-01 107...

Page 28 - Burner Assembly GMP16; ILLUSTRATED PARTS BREAKDOWN AND PARTS LIST; Burner Assembly

www.desatech.com 113048-01C 28 KEY PART NUMBER NO. GMP16 GMP26 DESCRIPTION QTY. 1 110803-02* 110803-02* ODS/Pilot 1 2 110186-01 110186-01 Thermocouple Kit 1 3 098200-03 098200-03 Control Valve Bracket 1 4 105051-01 105050-02 Pilot Tubing 1 5 099218-08 099218-09 Burner 1 6 098508-01 098508-01 Valve R...

Page 29 - Thermocouple Kit

www.desatech.com 29 113048-01C 5 7 6 4 3 1 2 Burner Assembly GMP16T 5 6 7 4 6 3 1 2 Burner Assembly GMP26T KEY PART NUMBER NO. GMP16T GMP26T DESCRIPTION QTY. 1 110803-02* 110803-02* ODS/Pilot 1 2 110186-01 110186-01 Thermocouple Kit 1 3 099387-11 099387-03 Pilot Tubing 1 4 104818-03 104818-04 Outlet...

Page 31 - DESCRIPTION; PARTS AVAILABLE — NOT SHOWN

www.desatech.com 31 113048-01C PARTS LIST This list contains replaceable parts used in your heater. When ordering parts, follow the instructionslisted under Replacement Parts on page 25 of this manual. KEY PART NUMBERNO. GMP20BT GMP30BT DESCRIPTION QTY. 1 097159-04 097159-04 Piezo Ignitor 1 2 107673...

Page 32 - NOT A UPC; LIMITED WARRANTY; WARRANTY INFORMATION; KEEP THIS WARRANTY

Always specify model and serial numbers when communicating with the factory.We reserve the right to amend these specifications at any time without notice. The only warranty applicable is ourstandard written warranty. We make no other warranty, expressed or implied. 113048-01Rev. C04/04 2701 Industri...