Desa NZ103 NZ104 User's Manual
Contents
1. Model Serial No Date Purchased 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 our standard written warranty We make no other warranty expressed or implied LIMITED WARRANTIES FOR NEW AND FACTORY RECONDITIONED PRODUCTS New Products DESA Heating Products warrants this heater and any parts thereof to be free of defects in materials and workmanship for two 2 years from the date of first purchase when operated and maintained in accordance with the manufacturer s instructions These warranties are extended only to the original retail purchaser when proof of purchase is provided Factory Reconditioned Heaters DESA Heating Products warrants this factory reconditioned heater and any parts thereof to be free of defects in materials and workmanship for thirty 30 days from the date of first purchase when operated and maintained in accordance with the manufacturer s instructions These warranties are extended only to the original retail purchaser when proof of purchase is provided This warranty is extended only to the original retail purchaser This warranty covers the cost of part s required to restore this heater to proper operating condition and an allowance for labor when provided by a DESA Heating Products Authorized Service Center Warranty part s MUST be obtained through au2. a Grill Plaque Guard Front Panel Remote Control Figure 1 Vent Free Gas Heater PRODUCT FEATURES SAFETY DEVICE This heater has a pilot with an Oxygen Deple tion Sensing ODS safety shutoff system The ODS pilot is a required feature for vent free room heaters The ODS pilot shuts off the heater if there is not enough fresh air PIEZO IGNITION SYSTEM This heater has a piezo ignitor This system re quires no matches batteries or other sources to light heater THERMOSTATIC HEAT CONTROL This heater is operated thermostatically by the remote control This results in the great est heater comfort This can also result in lower gas bills 4 www desatech com 118621 01B AIR FOR COMBUSTION AND VENTILATION AX WARNING This heater shall not be installed in a confined space or unusually tight con struction unless provisions are provided for adequate combus tion and ventilation air Read the following instructions to insure proper fresh air for this and other fuel burning appliances in your home Today s homes are built more energy efficient than ever New materials increased insulation and new construction methods help reduce heat loss in homes Home owners weather strip and caulk around windows and doors to keep the cold air out and the warm air in During heating months home owners want their homes as airtight as possible While it is good to make your home energy efficient your hom
3. NG DIES 099056 02 Injector LP e feb pei 099056 24 Injector NG e jef jej 12 099056 25 Injector LP O a pe 7 105527 01 Pilot Mounting Bracket 108 Ru i N 28 www desatech com 118621 01B SPECIFICATIONS NZ100 NZ104 NZ116 e Natural Gas e 18 000 Btu hr e Piezo Ignition e Pressure Regulator Setting 6 W C e Inlet Gas Pressure in of water Maximum 10 5 Minimum 7 e Average Heater Weight 22 Ib 10 kg Average Shipping Weight 25 5 Ib 11 6 kg NZ101 NZ105 NZ117 e Propane LP Gas e 16 000 Btu hr e Piezo Ignition e Pressure Regulator Setting 8 W C e Inlet Gas Pressure in of water Maximum 14 Minimum 11 e Average Heater Weight 22 Ib 10 kg e Average Shipping Weight 25 5 Ib 11 6 kg NZ102 NZ106 NZ118 Natural Gas 30 000 Btu hr e Piezo Ignition e Pressure Regulator Setting 6 W C e Inlet Gas Pressure in of water Maximum 10 5 Minimum 7 Average Heater Weight 29 Ib 13 2 kg Average Shipping Weight 33 Ib 15 kg NZ103 NZ107 NZ119 e Propane LP Gas e 26 000 Btu hr e Piezo Ignition e Pressure Regulator Setting 8 W C e Inlet Gas Pressure in of water Maximum 14 Minimum 11 Average Heater Weight 29 Ib 13 2 kg e Average Shipping Weight 33 Ib 15 kg Note Dimensions listed are outer most points on the heater includes control knobs and grill For purposes of input adjustment WIRING
4. Placing Heater On Mounting Bracket Heater 1 Locate two horizontal slots on back panel of heater 2 Place heater onto mounting bracket Slide Spacer horizontal slots onto stand out tabs on mounting bracket Side View Figure 11 Installing Bottom Mounting Screws 10 www desatech com 118621 01B INSTALLATION Continued MOUNTING HEATER TO FLOOR WITH OPTIONAL FLOOR KIT Mounting Base Feet to Heater 1 Lay heater cabinet on its back on a table with the heater bottom overhanging the table edge 2 Align holes in base foot with mounting holes on bottom of cabinet see Figure 12 3 Secure base foot to heater using sheet metal screws Wood Screw Base Foot l Sheet Metal Screw Figure 12 Installing Base Feet actual heater may vary from illustration Mounting Base Feet to Floor Where required by local code 1 Remove front panel see Removing Front Panel of Heater page 9 2 Position heater with base feet in desired location Mark holes for drilling Remove heater with base 3 For carpeted floors make a small cut with a sharp knife at marked locations prior to drilling If mounting base to a wood floor drill 1 8 diameter hole 3 4 deep Do not use anchors in wood floors If mounting base to a concrete floor drill with 1 4 diameter concrete drill bit 1 s into floor Insert anchors completely into holes 4 Reposition heater with base feet over holes Secur
5. The remote control has ON OFF THERMO STAT and PROGRAM functions This is part of the system s design If the LCD screen is not working check the position of the remote control s battery The remote control has two code switches located on the back that will need to be set when installation is complete see Code Set ting page 19 The remote control operates on 2 AAA 1 5V size batteries included that powers the RF A CAUTION Do not try to ad just heating levels by using the equipment shutoff valve TO TURN OFF GAS TO APPLIANCE To Shut Off Heater 1 2 Turn control knob clockwise N to the OFF position Turn off all electric power to the appliance if service is to be performed MANUAL LIGHTING PROCEDURE Remove front panel see Figure 6 page 9 Follow steps 1 through 7 under Lighting Instructions page 16 With control knob pressed in strike match Hold match to pilot until pilot lights Keep control knob pressed in for 30 sec onds after lighting pilot After 30 seconds release control knob Now follow step 9 under Lighting Instructions page 16 Replace front panel HAND HELD REMOTE OPERATION The remote control transmits signals to receiver This remote control system was developed to provide a safe reliable and user friendly remote control system for gas heat ing appliances The system can be operated manually from the remote control The system operates on one of 255 security cod
6. The space in the above example is a confined space because the actual Btu Hr used is more than the maximum Btu Hr the space can sup port You must provide additional fresh air Your options are as follows A Rework worksheet adding the space of an adjoining room If the extra space provides an unconfined space remove door to adjoin ing room or add ventilation grills between rooms See Ventilation Air From Inside Building page 7 B Vent room directly to the outdoors See Ventilation Air From Outdoors page 7 C Install a lower Btu Hr heater if lower Btu Hr size makes room unconfined If the actual Btu Hr used is less than the maxi mum Btu Hr the space can support the space is an unconfined space You will need no additional fresh air ventilation A WARNING If the area in which the heater may be oper ated is smaller than that defined as an unconfined space or if the building is of unusually tight construction provide adequate combustion and ventilation air by one of the methods described in the National Fuel Gas Code ANSI Z223 1 NFPA 54 Section 5 3 or applicable local codes 6 www desatech com 118621 01B AIR FOR COMBUSTION AND VENTILATION Continued VENTILATION AIR Ventilation Air From Inside Building This fresh air would come from an adjoining unconfined space When ventilating to an adjoining unconfined space you must provide two permanent openings one within 12 of the ceiling a
7. 2 107673 01 Front Panel ee i foi PoP 4 107676 01 Front Panel sie 1 107672 01 Front Panel sie 1 107675 01 Front Panel os 1 107673 06PP Front Panel e 1 107676 06PP Front Panel ei 3 103476 01 Grill Guard aE 1 103476 02 Grill Guard a EE oo 4 118623 01 Remote Gas Control Valve e e eje o e one si d 5 104819 02 Regulator Bracket nn ee i 6 098211 13 Burner Deflector ee 1 098211 15 Burner Deflector ee 1 Cabinet wo c 0f 020100 OO oca 8 104103 07 Reflector E 1 104103 09 Reflector e e 4 9 098271 09 Ignitor Cable A OCPD 000010 0 00 1 10 119099 01 Lower Baffle o 2 11 M50104 03 Shorty Bushing oo Fol Roh Wek Tod Fou fod Vol foe von Gen ke 12 Burner Assembly see jojojo ojo jajaa jajaa i page 28 13 099387 03 Pilot Tubing ole aio 099387 11 Pilot Tubing 14 104635 01 Apron 1 104635 03 Apron e i f 15 099066 02 Mounting Bracket d e o oao noa ono oaa oa 16 099415 19 Gas Regulator 1 099415 18 Gas Regulator 1 17 111421 01 Snap Bushing OO a a AO II 18 107896 01 Heat Shield ee E 1 107896 02 Heat Shield oje eel 4 19 118626 01 Inlet Tube e e eje o ejo ope o oje 1 20 118721 01 Upper Baffle ee e 1 118721 02 Upper Baffle e o e 1 21 118633 01 Control Bracket 22 119283 01 Fan Kit o ejo oje ojo o e o ojo 1 23 099038 01 Strain Relief Bushing 0207001 OP onono Ge bo 0 4 24 103972 02 Thermal Limit Switch Spe p
8. Control Valve Gas Meter y e mo MID Equipment Shutoff Valve Propane LP v Supply Tank Figure 19 Checking Gas Joints for Natural Gas Gas Control Valve a mD i Equipment Shutoff laos z Valve Figure 20 Checking Gas Joints for Propane LP Gas PRESSURE TESTING HEATER GAS CONNECTIONS 1 2 Te 8 Open equipment shutoff valve see Figure 18 page 13 For natural gas open main gas valve located on or near gas meter For pro pane LP gas open propane LP supply tank valve Make sure control knob of heater is in the OFF position Check all joints from equipment shutoff valve to thermostat gas valve see Figure 19 or 20 Apply a noncorrosive leak de tection fluid to all joints Bubbles forming show a leak Correct all leaks at once Light heater see Operating Heater page 15 Check all other internal joints for leaks Turn off heater see To Turn Off Gas to Appliance page 15 Replace front panel CONNECTING TO ELECTRICAL SUPPLY A WARNING Fan accessory must be grounded Fan comes with a three prong grounding plug as shown in Figure 21 The plug is your protection against electrical shock Plug it into a standard three hole grounded outlet If cord needs replacing use only a cord with a thre
9. DIAGRAMS AX WARNING Never attempt to service heater while it is plugged in operating or hot Burns and electrical shock could result Only a qualified service person should service or repair heater A CAUTION Label all wires prior to disconnection when servicing controls Wiring errors can cause improper and dan gerous operation Verify proper operation after servicing 110 115 VAC V C A Thermostat Sensor Switch Interruptor de sensor de temperatura Blower Motor Motor del ventilador White Blanco 2 l Greener gt y Wiring Diagram Line Thermostat Neutral Linea Sensor Switch Neutro Interruptor de sensor de temperatura Black Black Motor White Negro Negro ow Blanco N O _ Green Verde If any of the original wire as supplied with the appliance must be replaced it must be replaced with type 105 C wire or its equivalent En caso que se deba reemplazar alguno de los cables suministrados originalmente con el calentador utilice nicamente cable tipo 105 C u otro equivalente Electrical Ladder Diagram 118621 01B www desatech com 29 REPLACEMENT PARTS Note Use only original replacement parts This will protect your warranty coverage for parts replaced under warranty PARTS UNDER WARRANTY Contact authorized dealers of this product If they can t supply original replacement part s call DESA Heating Produc
10. If you can provide greater clearances from floor and join Figure 5 Mounting Bracket Removing Front Panel Of Heater ing wall 1 Remove the four painted screws two on q j each side of front panel 2 Mark screw locations on wall see Figure 7 2 Pull bottom of front panel forward then out Note Only mark last hole on each end of e mounting bracket Insert mounting screws 3 Remove any remaining packaging ma terials through these holes only 3 Remove tape and mounting bracket from Front Panel wall L 12 14 35 6 cm 30 4 x om AA Min A 4 N 7 Only Insert Mounting 48 34 g Screws Through Last 47 6 cm g Hole On Each End Min A ps Floor 3 Plaque Heater Figure 6 Removing Front Panel Of r ae E 414 856 em Heater min Se 4 Methods For Attaching Mounting Bracket A Only Insert Mounting ae To Wall 4 Screws Through Last 47 6 cm Only use last hole on each end of mounting A Hole On Each End Min bracket to attach bracket to wall These two holes are 14 35 6 cm apart from their cen ters Attach mounting bracket to wall in one Floor of two ways 1 Attaching to wall stud 5 Plaque Heater 2 Attaching to wall anchor Attaching to Wall Stud This method provides the strongest hold Insert mounting screws Attaching Mounting Bracket To Wall through mounting bracket and into wall Note Wall anchors mou
11. control knob to pilot position Turn to PILOT IGN position Fully press in control knob while pressing ignitor button Continue holding down control knob Repeat ignit ing operation until air is removed Contact local propane LP gas company Clean ODS pilot see Cleaning and Maintenance page 21 or replace ODS pilot assembly Replace gas regulator Moisture condensation no ticed on windows Not enough combustion ventilation air Refer to Air for Combustion and Ventilation require ments page 5 22 www desatech com 118621 01B TROUBLESHOOTING OBSERVED PROBLEM Continued POSSIBLE CAUSE REMEDY ODS pilot lights but flame goes out when control knob is released 1 2 E Control knob not fully pressed in Control knob not pressed in long enough Equipment shutoff valve not fully open Thermocouple connection loose at control valve Pilot flame not touching thermocouple which al lows thermocouple to cool causing pilot flame to go out This problem could be caused by one or both of the following A Low gas pressure B Dirty or partially clogged ODS pilot Thermocouple damaged Control valve damaged Safety interlock system has been triggered ther mostat models only 1 Press in control knob fully 2 After ODS pilot lights keep control knob pressed in 30 seconds 3 Fully open equipment shut off valve 4 Ha
12. enough fresh air is available Low line pressure ODS pilot is partially clogged Open window and or door for ventilation Contact local natural or propane LP gas company Clean ODS pilot see Cleaning and Mainte nance page 21 24 www desatech com 118621 01B TROUBLESHOOTING Continued L WARNING If you smell gas e Shut off gas supply e Do not try to light any appliance e Do not touch any electrical switch do not use any phone in your building e Immediately call your gas supplier from a neighbor s phone Fol low the gas supplier s instructions e If you cannot reach your gas supplier call the fire department IMPORTANT Operating heater where impurities in air exist may create odors Cleaning sup plies paint paint remover cigarette smoke cements and glues new carpet or textiles etc create fumes These fumes may mix with combustion air and create odors OBSERVED PROBLEM POSSIBLE CAUSE REMEDY Heater produces unwanted odors 1 Heater burning vapors from paint hair spray glues etc See IMPORTANT state ment above Low fuel supply propane LP gas only Gas leak See Warning statement at top of page Y Ventilate room Stop us ing odor causing products while heater is running Refill supply tank Locate and correct all leaks see Checking Gas Con nections page 13 Gas odor even when control knob is in OFF p
13. limitation on implied warranties or exclusion or limitation on damages may not apply to you This warranty gives you specific legal rights and you may also have other rights that vary from state to state For information about this warranty write DESA INDOOR OUTDOOR PRODUCTS 2701 Industrial Drive P O Box 90004 Bowling Green KY 42102 9004 www desatech com Rev B 05 06 NOT A UPC
14. temperature in THERMO mode UP Increases set temperature in THERMO mode TIME PROGRAM Activates time setting and activates PROGRAM mode SET Used to set clock and timer ED mode Button DOWN UP a ese TIME PROGRAM SET ap Figure 26 Mode Buttons Setting the Clock Slide open plastic cover on front of remote control to expose setting buttons The cover protects buttons from being changed accidentally Close cover after completing the following settings and programming 1 Press and hold TIME PROGRAM button on remote control for more than 2 sec onds Hour digit s will begin flashing 2 Press UP or DOWN button until desired hour is displayed in AM or PM 3 Press and release TIME PROGRAM button again and minute digits will begin flashing 4 Press UP or DOWN button until desired minutes are displayed 5 Press and release SET button on remote control to stop time digits from flashing and set the time Note Flashing numbers on display indicate system is awaiting user input such as using UP and DOWN buttons to program a new setting If no change is made to flashing dig its within 15 seconds system will complete procedure last programmed and reset the display to its normal state Setting Fahrenheit and Celsius Scale Factory setting for temperature is 0 F To change this setting to 0 C press UP but ton and DOWN button on remote control at the same time to change from 0 F to 0 C Follow
15. this same procedure to change from 0 C back to 0 F Manual Function To operate system in ON manual mode press MODE button The flame icon will come on The word ON and the flame icon will appear on LCD screen in ON mode To operate system in OFF manual mode press MODE button again The FLAME icon will shut off The word OFF will appear on LCD screen The flame icon will not appear on LCD screen in OFF mode Thermostat Function This remote control system can be thermo statically controlled when remote control is in THERMO mode THERMO must be dis played on the screen To set desired room temperature press MODE button to place re mote control into THERMO mode then press UP or DOWN button to select desired room temperature Within 5 seconds appliance will turn on or off The highest SET temperature is 99 F 37 C The lowest SET temperature is 45 F 8 C The factory set number will be 45 F 8 C If room temperature is higher than 99 F the word HI will display on the room temperature window frame If room temperature is lower than 32 F the word LO will display on the room temperature window frame Operational Note To conserve battery power changes in room temperature are automatically updated every 2 minutes to remote control Mode button will operate ON THERMO OFF in series that will cycle from ON to THERMO to OFF Setting Programs In Program Mode remote control will allow heater to automatically
16. time is reached Pre programmed time P 1 and P 2 icons will continue to display on screen indicating that unit is in program mode until set time is reached When program mode is deactivated P 1 and P 2 icons and set temperature digit s will disappear from screen Factory Settings The program function is preset at the follow ing on and off times These times will apply to every day of the week Program 1 P1 Turn on at 7 00 AM Turn off at 9 00 AM Program 2 P2 Turn on at 5 00 PM Turn off at 8 00 PM Setting a New Program To change Program from the factory settings to new settings 1 Press and hold TIME PROGRAM button for more than 5 seconds to enter Set Program Mode 2 P1 ON will flash Push UP or DOWN but ton until desired on time for Program 1 is reached Press SET button 3 P1 OFF will flash Push UP or DOWN button until desired off time for Program 1 is reached Press SET button 4 P2 ON will flash Push UP or DOWN but ton until desired on time for Program 2 is reached Press SET button 5 P2 OFF will flash Push UP or DOWN button until desired off time for Program 2 is reached Press SET button The new program is now set and unit is in pro gram mode To take unit out of program mode press and release TIME PROGRAM button Note In set program mode set times will flash for 15 seconds If the UP DOWN or SET but ton is not pressed within 15 seconds system will automatically complet
17. turn on and off at spe cific times Two on and off segments per day may be set or settings previously programmed at the factory may be used On and off times are available in 15 minute increments 118621 01B www desatech com VI OPERATING HEATER Continued To Activate the Program Mode A short push press and release on TIME PROGRAM button will activate or deactivate program mode A long push press and hold for more than 5 seconds on TIME PROGRAM button will enter into setting of program When the program mode is activated the P 1 and P 2 icons and the word OFF will display on the screen This means that unit turns off manual mode and enters into program mode The unit will automatically check if current time is within pre programmed ON time If current time is within program on time unit will enter into thermo mode automatically and the word THERMO and set temperature digit s will display on screen When room temperature is below set tem perature unit will turn on and the word ON will replace the word OFF on the screen The flame icon will also show on the screen Unit will continue to operate in thermo mode until program off time is reached When program off time is reached unit will turn off and stay off until next program on time is reached or until user turns program mode off and turns unit on in manual or thermo mode If current time is not within program on time unit will stay off until pre programmed turn on
18. 3 Replace burner Contact local natural or propane LP gas company Turn control knob until it locks at desired setting Slight smoke or odor during initial operation Residues from manufac turing processes Problem will stop after a few hours of operation Heater produces a clicking ticking noise just after burner is lit or shut off Metal expanding while heating or contracting while cooling This is normal with most heaters If noise is ex cessive contact qualified service person Remote does not function Pilot light not lit or control knob in wrong position Batteries not installed cor rectly Batteries not in stalled Battery power is low Code settings on receiver and remote control do not match Receiver and remote con trol too far apart Check pilot light Make sure control knob is in the ON position Check battery placement in receiver and remote control Replace batteries in re ceiver and remote control Verify code settings Be sure reciever and re mote control are within 20 25 operating range White powder residue forming within burner box or on adja cent walls or furniture When heated vapors from furniture polish wax car pet cleaner etc may turn into white powder residue Turn heater off when us ing furniture polish wax carpet cleaners or similar products Heater shuts off in use ODS operates Not
19. DESA INDOOR OUTDOOR PRODUCTS UNVENTED VENT FREE INFRARED REMOTE CONTROL GAS HEATER SAFETY INFORMATION AND INSTALLATION MANUAL We recommend that our products be installed and serviced by professionals who Actual heater may vary from illustration MODELS NZ100 NZ101 NZ102 NZ103 NZ104 NZ105 NZ106 NZ107 NZ116 NZ117 NZ118 NZ119 WARNING If the information in this manual is not fol lowed exactly a fire or explosion may result causing property damage personal injury or loss of life Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance WHAT TO DO IF YOU SMELL GAS e 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 you cannot reach your gas supplier call the fire department Installation and service must be performed by a quali fied installer service agency or the gas supplier INSTALLER Leave this manual with the appliance CONSUMER Retain this manual for future reference For more information visit www desatech com TABLE OF CONTENTS Safety InfOrMatON isis sede ce2astaesizesddess Local COdeS cuina a i Wn PACKING 35 cxueee sieve cedseeestect eaan Paita 4 Product IdentificatioN oonnoconncnnnncnncccnncnnan 4 Product Features
20. G Turn off and unplug heater and let cool before servicing Only a qualified service person should service and repair heater A CAUTION Never use a wire needle or similar object to clean ODS pilot This can damage ODS pilot unit Note All troubleshooting items are listed in order of operation OBSERVED PROBLEM POSSIBLE CAUSE REMEDY When ignitor button is pressed in there is no spark at ODS pilot 1 NOW Ignitor electrode positioned wrong Ignitor electrode broken Ignitor electrode not con nected to ignitor cable Ignitor cable pinched or wet Broken ignitor cable Bad ignitor Piezo ignitor nut is loose i NOW Replace pilot assembly Replace pilot assembly Reconnect ignitor cable Free ignitor cable if pinched by any metal or tubing Keep ignitor cable dry Replace ignitor cable Replace ignitor Tighten nut holding piezo ignitor Nut is located inside heater cabinet at top When ignitor button is pressed in there is a spark at ODS Pilot but no ignition Gas supply turned off or equipment shutoff valve closed Control knob is not in pilot position Control knob not fully pressed in while pressing ignitor button Air in gas lines when in stalled Depleted gas supply pro pane LP gas ODS pilot is clogged Gas regulator setting is not correct Turn on gas supply or open equipment shutoff valve Turn
21. NITOR KIT GA435 Not Shown For all models Provides easier lighting of the pilot 30 www desatech com 118621 01B PARTS CENTRAL These Parts Centrals are privately owned businesses They have agreed to support our customer s needs by providing original replacement parts and accessories Tool amp Equipment Co 5 Manila Ave Hamden CT 06514 0322 1 800 397 7553 203 248 7553 Portable Heater Parts 342 N County Rd 400 East Valparaiso IN 46383 9704 219 462 7441 1 888 619 7060 www portableheaterparts com sales portableheaterparts com techservice portableheaterparts com FBD 1349 Adams Street Bowling Green KY 42103 3414 270 846 1199 1 800 654 8534 Fax 1 800 846 0090 franktalk aol com Master Parts Dist 1251 Mound Ave NW Grand Rapids MI 49504 2672 616 791 0505 1 800 446 1446 www nbmc com Washer Equipment Co 1715 Main Street Kansas City MO 64108 2195 KS MO AR 816 842 3911 www washerparts com East Coast Energy 707 Broadway W Long Branch NJ 07764 1501 732 870 8809 1 800 755 8809 www njplaza com ecep 21st Century 2950 Fretz Valley Perkasie PA 18944 4034 215 795 0400 800 325 4828 Laporte s Parts amp Service 2444 N 5th Street Hartsville SC 29550 7704 843 332 0191 Parts Department Cans Unlimited P O Box 645 Taylor SC 29687 0013 803 879 3009 1 800 845 5301 cuisales aol com 118621 01B www desatech com 31 WARRANTY INFORMATION KEEP THIS WARRANTY
22. When ON button is pressed the remote control sends a RF signal to the receiver The receiver then sends a pulse of 6 volts of power to the solenoid The solenoid then opens gas flow to burner then to full ON When OFF button is pressed the remote control sends a RF signal to the receiver The receiver then sends a pulse of 6 volts of power to the solenoid The solenoid then closes gas flow to burner then to full OFF Heater will only work with hand held remote control Receiver slide switch is only for positive OFF or REMOTE operation The remote control will only operate heater when pilot is lit and control knob is in the ON position Note Extensive use of latching solenoid ON OFF will reduce receiver s battery life significantly Code Setting IMPORTANT All units are shipped from fac tory with code switch preset to same codes These switches must be reset to different codes during installation to prevent interfer ence from another remote Each transmitter can use one of 255 security codes that can be reset It WILL be neces sary to set remote control and receiver code switches to a matching security code upon initial use If a replacement remote control or receiver is purchased from your dealer or factory code switches must be set to match receiver and remote control code switches When setting code switches set A through P switch on remote control to same setting as A through P switch on receiver Then set 1 thro
23. ain gas valve control valve and equip ment 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 equip ment shutoff valve was connected 3 Pressurize supply piping system by either opening propane LP supply tank valve for propane 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 a noncorrosive leak detection fluid to all joints Bubbles forming show a leak 5 Correct all leaks at once 6 Reconnect heater and equipment shutoff valve to gas supply Check reconnected fittings for leaks Test Pressures Equal To or Less Than 1 2 PSIG 3 5 kPa 1 Close equipment shutoff valve see Figure 18 2 Pressurize supply piping system by either opening propane LP supply tank valve for propane LP gas or opening main gas valve located on or near gas meter for natural gas or using compressed air 3 Check all joints from gas meter for natural gas see Figure 19 or propane LP supply tank for propane LP gas to equipment shutoff valve see Figure 20 Apply a noncorrosive leak detection fluid to all joints Bubbles forming show a leak 4 Correct all leaks at once Open Equipment Shutoff Valve Closed Figure 18 Equipment Shutoff Valve 118621 01B www desatech com 13 INSTALLATION Continued Gas
24. as supplier from a neighbor s phone Follow the gas supplier s instructions e If you cannot reach your gas supplier call the fire department Use only your hand to push in or turn the gas control knob Never use tools If the knob will not push in or turn by hand don t try to repair it call a qualified service technician Force or attempted repair may result in a fire or explosion 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 control which has been under water LIGHTING E INSTRUCTIONS STOP Read the safety information above Make sure equipment shutoff valve is fully open Turn off any electric power to the appli ance if service is to be performed Turn pilot knob clockwise N to the OFF position Wait five minutes to clear out any gas Then smell for gas including near the floor If you 6 8 10 smell gas STOP Follow B in the safety information column 1 If you don t smell gas go to the next step Press in pilot knob and turn control knob counterclockwise 7 to the PILOT position Keep pilot knob pressed in for five 5 seconds see Figure 22 With pilot knob pressed in push down and release ignitor button This will light pilot The pilot is attached to the front of burner Note You may be running this heater for the first tim
25. circu lating air passageways of heater clean Inspect these areas of heater before each use Have heater inspected yearly by a qualified service person Heater may need more frequent clean ing due to excessive lint from carpeting bedding material pet hair etc Ay WARNING Failure to keep the primary air opening s of the burner s clean may resultin sooting and property damage ODS PILOT AND BURNER Use a vacuum cleaner pressurized air or small soft bristled brush to clean BURNER PILOT AIR INLET The primary air inlet holes allow the proper amount of air to mix with the gas This pro vides a clean burning flame Keep these holes clear of dust dirt and lint Clean these air inlet holes prior to each heating season 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 you keep the burner tube and pilot assembly clean and free of dust and dirt To clean these parts we recommend using compressed air no greater than 30 PSI Your local computer store hardware store or home center may carry compressed air in a can If using compressed air in a can please follow the directions on the can If you don t follow directions on the can you could dam age the pilot assembly 1 Shut off the unit including the pilot Allow the unit to cool for at least thirty minutes 2 Inspe
26. cistitis 4 Air For Combustion And Ventilation 5 Installation to lona 7 Operating Heater Inspecting Heater Cleaning and Maintenance A e e Es 21 Technical SerViCe reece a 21 Troubleshooting noreti a 22 Illustrated Parts Breakdown and Parts List 26 SPECIfCAtiONS worse Wiring Diagrams Replacement Parts Service Publications Accessories cooooococccncco Parts Central Warranty Information SAFETY INFORMATION WARNING Improper in stallation adjustment al teration service or mainte nance can cause injury or property damage Refer to this manual for correct in stallation and operational procedures For assis tance or additional infor mation consult a qualified installer service agency or the gas supplier WARNING This is an unvented gas fired heater It uses air oxygen fromthe room in which itis installed Provisions for adequate combustion and ventila tion air must be provided Refer to Airfor Combustion and Ventilation section on page 5 of this manual This appliance is only for use with the type of gas indicated on the rating plate This appliance is not convertible for use with other gases www desatech com This appliance may be in stalled in an aftermarket permanently located manufactured mobile home where not prohib ited by local codes Aftermarket Completion of sale not for purpose o
27. ct burner pilot for dust and dirt 3 Blow airthrough the ports slots and holes in the burner 4 Never insert objects into the pilot tube Clean the pilot assembly also A yellow tip on the pilot flame indicates dust and dirt in the pilot assembly There is a small pilot air inlet about two inches from where the pilot flame comes out of the pilot assembly see Figure 34 With the unit off lightly blow air through the air inlet You may blow through a drinking straw if compressed air is not available Pilot Assembly Figure 34 Pilot Air Inlet CABINET Air Passageways Use pressurized air to clean Exterior Use a soft cloth dampened with a mild soap and water mixture Wipe the cabinet to re move dust SERVICE HINTS When Gas Pressure Is Too Low e pilot will not stay lit burner will have delayed ignition heater will not produce specified heat propane LP gas supply may be low You may feel your gas pressure is too low If so contact your local natural or propane LP gas supplier TECHNICAL SERVICE You may have further questions about instal lation operation or troubleshooting If so contact DESA Heating Products Technical Service Department at 1 866 672 6040 When calling please have your model and serial numbers of your heater ready You can also visit DESA Heating Products tech nical service web site at www desatech com 118621 01B www desatech com 21 TROUBLESHOOTING RWARNIN
28. e prong grounding plug A CAUTION Label all wires prior to disconnection when servicing controls Wiring errors can cause improper and danger ous operation see page 29 Grounded Outlet FR Grounding Plug SUS Figure 21 Grounding Plug EXTENSION CORD Use extension cord if needed The cord must have a three prong grounding plug and a three hole receptacle Make sure cord is in good shape It must be heavy enough to carry the current needed An undersized cord will cause a drop in line voltage This will result in loss of power and overheating Use a No 16 AWG cord for lengths less than 50 feet 15 24 m A CAUTION Verify proper op eration after servicing 14 www desatech com 118621 01B OPERATING HEATER fe FOR YOUR SAFETY READ BEFORE LIGHTING Ad WARNING If you do not fol low these instructions exactly a fire or explosion may result causing property damage per sonal injury or loss of life A This appliance has a pilot which must be lighted by hand When lighting the pi lot follow these instructions exactly BEFORE LIGHTING smell all around the appliance area for gas Be sure to smell next to the floor because some gas is heavier than air and will settle on the floor WHAT TO DO IF YOU SMELL GAS Do not try to light any appliance Do not touch any electric switch do not use any phone in your building e Immediately call your g
29. e after hooking up to gas supply If so the control knob may need to be pressed in for 30 seconds or more This will allow air to bleed from the gas system If needed keep pressing ignitor button until pilot lights If ignitor does not light pilot refer to Troubleshooting page 22 or contact a qualified service person or gas supplier for repairs Until repairs are made light pilot with match See Manual Lighting Procedure Keep pilot knob pressed in for 30 seconds after lighting pilot After 30 seconds re lease pilot knob If control knob does not pop up when released contact a qualified service person or gas supplier for repairs Note If pilot goes out repeat steps 4 through 7 Turn control knob on heater counter clockwise 7 gt to ON Press button on remote to turn on manually or use remote to activate thermostat function To shut off burner only and leave pilot lit turn control knob clockwise to the PILOT position z S 7 Low Ignitor Pilot Knob Figure 22 Pilot Knob In The ON Position Ignitor Electrode Pilot Figure 23 Pilot actual pilot may vary 118621 01B www desatech com 15 OPERATING HEATER Continued Ad WARNING Always operate manual control heaters at the locked positions Operation between these positions may create a possible health hazard if used in a poorly ventilated room Read owner s manual for complete instructions Remote Control
30. e base to floor with wood screws See Figure 12 INSTALLING REMOTE CONTROL RECEIVER Remote control receiver must be installed to operate the remote control 1 Locate two packages of AA batteries remote receiver and hook and loop strip in hardware bag included with your heater 2 Remove battery cover on receiver and install batteries as shown in Figure 13 Replace battery cover 3 Remove adhesive backing on hook and loop strip and attach to receiver in location shown in Figure 14 4 Place receiver with hook and loop strip s sticky side down in approximate location on inside of heater shown in Figure 14 5 Connect wires from receiver to wires on control valve solenoid Receiver AA Batteries Battery Cover Figure 13 Installing Batteries in Receiver Receiver E Burner k Heater Hook and i Cabinet Loop Strip t on Bottom Y of Receiver Figure 14 Installing Remote Receiver INSTALLING BATTERIES INTO REMOTE 1 Locate hand held remote control in hard ware bag included with your heater 2 Remove battery cover and insert supplied batteries into remote control as shown in Figure 15 3 Replace battery cover Batteries Battery Cover Remote Control Figure 15 Installing Batteries in Hand Held Remote Control 118621 01B www desatech com 11 INSTALLATION Continued CONNECTING TO GAS SUPPLY AX WARNING This appliance requires a 3 8 NPT National Pipe Thread
31. e needs to breathe Fresh air must enter your home All fuel burning ap pliances need fresh air for proper combustion and ventilation Exhaust fans fireplaces clothes dryers and fuel burning appliances draw air from the house to operate You must provide adequate fresh air for these appliances This will in sure proper venting of vented fuel burning appliances PROVIDING ADEQUATE VENTILATION The following are excerpts from National Fuel Gas Code ANSI Z223 1 NFPA 54 Section 5 3 Air for Combustion and Ventilation All spaces in homes fall into one of the three following ventilation classifications 1 Unusually Tight Construction 2 Unconfined Space 3 Confined Space The information on pages 5 through 7 will help you classify your space and provide adequate ventilation Unusually Tight Construction 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 must provide additional fresh air Unusually tight construction is defined as construction where a walls and ceilings exposed to the outside atmosphere have a continuous water vapor retarder with a rating of one perm 6x10 kg per pa sec m or less with openings gasketed or sealed and b weather stripping has been added on openable windows and doors and c caulking or sealants are applied to areas such as joints around window and door frames between
32. e set up process and LCD Screen will revert to normal readouts The first factory set temperature is at 45 F Appliance will not turn on if room is not below the set temperature If set temperature is at 70 F appliance will come on only if room temperature is below 70 F Low Battery Indicator A low BATTERY ICON on left side of LCD screen will appear when battery power has dropped significantly At this time approxi mately two weeks of battery power remains until remote control may experience partial or complete loss of functions Childproof Lock Out CP This remote control includes a childproof lock out feature that allows the user to lock out operation of appliance from remote control 1 To activate lock out feature press and hold UP and TIME PROGRAM buttons together for 5 seconds Letters CP will appear in room temp window frame on LCD screen 2 To disengage lock out press and hold UP and TIME PROGRAM buttons together for 5 seconds or more Letters CP will disappear from LCD screen and remote control will return to its normal operating condition Note If appliance is already operating in on or thermo modes engaging lock out will not cancel the operating mode Engaging lock out only prevents manual operation of remote control If in auto modes the thermo operation will continue to operate normally To totally lock out operation of remote control s operating signals remote control s
33. eneficial installing heater in rooms without enough ventilation air may cause mildew to form from too much moisture See Air for Combustion and Ventila tion page 5 If high humidity is experienced a dehumidifier may be used to help lower the water vapor content in the air A CAUTION If you install the heater in a home garage e heater pilotandburnermustbe at least 18 45 7 cm above floor e locate heater where moving vehicle will not hit it For convenience and efficiency install heater e where there is easy access for operation inspection and service e in coldest part of room To use fan locate heater near an electrical outlet CEILING 7 10 054 cm 36 Minimum 7 91 5 cm From Minimum Sides Of 4 Heater Right Left Side Side Minimum To Top Surface Of Carpeting s 2 5 1 cm Tile Or Other Combustible FLOOR Material Figure 4 Mounting Clearances As Viewed From Front of Heater 8 www desatech com 118621 01B INSTALLATION Decide which method better suits your needs Continued Either method will provide a secure hold for the mounting bracket INSTALLING HEATER TO WALL Mounting Bracket Locate mounting bracket in heater carton Re move mounting bracket from heater carton Marking Screw Locations 1 Tape mounting bracket to wall where heater will be located Make sure mount ing bracket is level AX WARNING Maintain mini mum clearances shown in Figure 7
34. epe ie ie pete pele ie ie 4 25 118661 01 Housing Duct eo ejoj o o eoo oje o 1 E PARTS AVAILABLE NOT SHOWN E 098219 41 Power Cord oo 0 00 0 0 00 0 0 0 118625 01 Remote Receiver oep e e o e o e e ejo o1 118624 01 Remote Transmitter Soco Ole DO OO O ooa 4 100642 03 Hardware Assembly e ejej o o e e e ejeje o 1 107888 03 Control Position Label O OO 0 ono OO 1 107888 06 Control Position Label ee 117103 03 Lighting Instruction Booklet e ee 1 117103 04 Lighting Instruction Booklet i e e e ei 1 097555 01 Warning Label II Wolfen Tod tel a nd Not a field replaceable part 118621 01B www desatech com 27 ILLUSTRATED PARTS BREAKDOWN AND PARTS LIST BURNER ASSEMBLY This list contains replaceable parts used in your heater When ordering parts follow the instructions listed under Replacement Parts on page 30 of this manual AS PSS BAAR COS ROS SS gt SSS ES ee gt Sse Sse Burner Assembly for Models NZ100 Burner Assembly for Models NZ102 NZ101 NZ104 NZ105 NZ116 and NZ117 NZ103 NZ106 NZ107 NZ118 and NZ119 KEY NO PARTNO DESCRIPTION 1 110803 03 ODS Pilot 110803 02 ODS Pilot 2 110186 01 Thermocouple Kit 109121 01 Pilot Shield 118628 01 Outlet Tube pepe fog 118628 02 Outlet Tube re 5 099218 07 Burner Assembly 5 Plaque 099218 06 Burner Assembly 3 Plaque 6 099056 01 Injector
35. es on the remote control and receiver Security codes can be set by the user IMPORTANT The remote control will only operate heater if pilot light is lit and control knob is in the ON position signal and LCD screen Before using the remote control batteries must be installed into the battery compartments See Installing Batteries Into Remote page 11 E LCD e lL Display HO Mode aes Buttons a Front Cover Figure 24 Remote Control LCD Display 1 2 LOW Battery power is low Replace bat teries within two weeks PROGRAM Indicates when unit is functioning in one of the preset program settings MODE Indicates operation MODE of system ON indicates system is on either manually or thermostatically OFF indi cates entire system is turned off THER MO indicates system will automatically cycle on and off depending on program SET Indicates desire set room tempera ture for THERMO operation FLAME Indicates burner and valve in operation CLOCK Indicates current time in AM or PM ROOM Indicates CURRENT room tem perature F indicates degrees Fahrenheit C indi cates degrees Celsius www desatech com 118621 01B OPERATING HEATER Continued Y a to P2 ON aM GE EIA O OF THERMO So 5 Figure 25 LCD Display Buttons MODE Changes modes from ON THERMO and OFF DOWN Lowers set
36. es the room in which you will install heater plus any adjoining rooms with doorless passageways or ventilation grills between the rooms 1 Determine the volume of the space length x width x height Length x Width x Height volume of space Example Space size 20 ft length x 16 ft width x 8 ft ceiling height 2560 cu ft volume of space If additional ventilation to adjoining room is supplied with grills or openings add the volume of these rooms to the total volume of the space 2 Multiply the space volume by 20 to determine the maximum Btu Hr the space can support volume of space x 20 Maximum Btu Hr the space can support Example 2560 cu ft volume of space x 20 51 200 maximum Btu Hr the space can sup port 3 Add the Btu Hr of all fuel burning appliances in the space cu ft Vent free heater Btu Hr Gas water heater Btu Hr Gas furnace Btu Hr Vented gas heater Btu Hr Gas fireplace logs Btu Hr Other gas appliances Btu Hr Total Btu Hr Do not include direct vent gas appliances Direct vent draws combustion air from the outdoors and vents to the outdoors Example Gas water heater 40 000 Btu Hr Vent free heater 20 000 Btu Hr Total 60 000 Btu Hr 4 Compare the maximum Btu Hr the space can support with the actual amount of Btu Hr used Btu Hr maximum can support Btu Hr actual amount used Example 51 200 Btu Hr maximum can support 60 000 Btu Hr actual amount used
37. f Q Propane LP Supply Tank External Regulator with Vent Pointing Down Figure 16 External Regulator With Vent Pointing Down Typical Inlet Pipe Diameters 16 18 000 Btu hr models 3 8 or greater 26 30 000 Btu hr models 1 2 or greater Installation must include equipment shutoff valve union and plugged 1 8 NPT tap Locate NPT tap within reach for test gauge hook up NPT tap must be upstream from heater see Figure 17 Pressure Regulator NE ET 3 8 NPT Regulator l Pipe Bracket Nipple Heater Ground Cabinet Joint k g Tee Joint Equipment 2 Reducer Shutoff 8 Bushing to g Valve 3 ve net X Natural Gas a 1 8 NPT 3 From Gas Plug Tap Min Meter 7 W C E to 10 5 W C Te Pipe Cap Pressure Joint Nipple Propane LP From External Sediment Trap Regulator 11 W C to 14 W C Pressure Figure 17 Gas Connection A CSA design certified equipment shutoff valve with 1 8 NPT tap is an acceptable al ternative to test gauge connection Purchase the optional CSA design certified equipment shutoff valve from your dealer See Acces sories page 30 12 www desatech com 118621 01B INSTALLATION Continued IMPORTANT Install an equipment shutoff valve in an accessible location The equip ment shutoff valve is for turning on or shutting off the gas to the appliance Apply pipe joint sealant lightly to male NPT threads This will preven
38. f resale from the manufacturer ARWARNING This productcon tains and or generates chemicals known to the State of California to cause cancer or birth defects or other reproductive harm IMPORTANT Read this owner s manual carefully and completely before trying to assemble operate or service this heater Improper use of this heater can cause seri ous injury or death from burns fire explosion electrical shock and carbon monoxide poisoning DANGER Carbon monoxide poisoning may lead to death Carbon Monoxide Poisoning Early signs of car bon monoxide poisoning resemble the flu with headaches dizziness or nausea If you have these signs the heater may not be working properly Get fresh air at once Have heater serviced Some people are more affected by carbon monoxide than others These include pregnant women people with heart or lung disease or anemia those under the influence of alcohol and those at high altitudes 118621 01B SAFETY INFORMATION Continued Natural and Propane LP Gas Natural and Pro pane LP gases are odorless An odor making agent is added to these gases The odor helps you detect a gas leak However the odor added to the gas can fade Gas may be present even though no odor exists Make certain you read and understand all warnings Keep this manual for reference It is your guide to safe and proper operation of this heater Keep the appliance area clear and free from comb
39. ier from a neighbor s phone Follow the gas supplier s instructions e lf you cannot reach your gas supplier call the fire department Always run heater with plaque control knob at the locked positions Never set control knob between locked positions Poor combustion and higher levels of carbon monoxide may result This heater needs fresh outside air ven tilation to run properly This heater has an Oxygen Depletion Sensing ODS safety shutoff system The ODS shuts down the heater if not enough fresh air is available See Air for Combustion and Ventilation page 5 Keep all air openings in front and bottom of heater clear and free of debris This will insure enough air for proper combustion If heater shuts off do not relight until you provide fresh outside air If heater keeps shutting off have it serviced Do not run heater where flammable liquids or vapors are used or stored e under dusty conditions Do not use heater if any part has been under water Immediately call a qualified service technician to inspect the room heater and to replace any part of the control system and any gas control which has been under water www desatech com 3 SAFETY INFORMATION Continued 11 Turn off and unplug heater and let cool before servicing Only a qualified service person should service and repair heater 12 Operating heater above elevations of 4 500 feet 1 371 m could cause pilot outage 13 To
40. inlet connection to the pressure regulator Ay WARNING A qualified ser vice person must connect heater to gas supply Follow all local codes ing gas pressure heater regulator damage could occur Install the external regulator with the vent pointing down as shown in Figure 16 Pointing the vent down protects it from freezing rain or sleet A CAUTION Use only new black iron or steel pipe Inter nally tinned copper tubing may be used in certain areas Check your local 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 A WARNING For natural gas never connect heater to private non utility gas wells This gas is commonly known as wellhead gas IMPORTANT For natural gas check gas line pressure before connecting heater to gas line Gas line pressure must be no greater than 10 5 of water If gas line pressure is higher heater regulator damage could occur Ay CAUTION For propane LP gas never connect heater di rectly to the propane LP supply This heater requires an external regulator not supplied Install the external regulator between the heater and propane LP supply For propane LP gas the installer must supply an external regulator The external regulator will reduce incoming gas pressure You must reduce incoming gas pressure to between 11 and 14 of water If you do not reduce incom U
41. mode must be set to off 18 www desatech com 118621 01B OPERATING HEATER Continued Note When lock out mode is activated letters CP will appear in room temp window After activation is complete room temp window will default back to displaying room temperature If any buttons are pressed room temp window will then display CP indicating remote control is in lock out mode Remote Receiver located inside heater The remote receiver operates on 4 AA 1 5V batteries included IMPORTANT New or fully charged batteries are essential for proper operation of the remote receiver The remote receiver houses the micropro cessor that responds to commands from remote control to control system operation The remote receiver has a 2 position slide switch for selecting the mode of operation REMOTE OFF e With slide switch in REMOTE position system will only operate if remote receiver receives commands from remote control e With slide switch in OFF position system is off e It is suggested that slide switch be placed in OFF position if you will be away from your home for an extended period of time Placing slide switch in OFF position also functions as a safety lock out by both turn ing system off rendering remote receiver inoperative Slide Switch Receiver Figure 27 Receiver General Information Operation e This remote control will operate gas valves latching solenoid to open gas flow to full ON e
42. natural gas test gauge connection A CSA design certified equipment shutoff valve with 1 8 NPT tap is an acceptable alter native to test gauge connection The optional CSA design certified equipment shutoff valve can be purchased from your dealer See Ac cessories page 30 LOCATING HEATER This heater is designed to be mounted on a wall A WARNING Maintain the minimum clearances shown in Figure 4 If you can provide greater clearances from floor ceiling and joining wall You can locate heater on floor away from a wall An optional floor mounting stand is need ed Purchase the floor mounting stand from your dealer See Accessories page 30 A WARNING Never install the heater e in a bedroom or bathroom e in a recreational vehicle e where curtains furniture clothing or other flammable objects are less than 36 91 5 cm from the front top or sides of the heater e as a fireplace insert e in high traffic areas e in windy or drafty areas Ay 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 oilor 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 b
43. nd one within 12 of the floor on the wall connecting the two spaces see options 1 and 2 Figure 2 You can also remove door into adjoining room see option 3 Figure 2 Follow the National Fuel Gas Code ANSI Z223 1 NFPA 54 Section 5 3 Air for Com bustion and Ventilation for required size of ventilation grills or ducts vl oS y Ventilation Grills Ventilation ine Coupee Grills into or f Adjoining Remove Room Door into Option 1 Adjoining Room Option 3 Figure 2 Ventilation Air from Inside Building Ventilation Air From Outdoors Provide extra fresh air by using ventilation grills or ducts You must provide two perma nent openings one within 12 of the ceiling and one within 12 of the floor Connect these items directly to the outdoors or spaces open to the outdoors These spaces include attics and crawl spaces Follow the National Fuel Gas Code ANSI Z223 1 NFPA 54 Section 5 3 Air for Combustion and Ventilation 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 will activate the power vent gt Ventilated Outlet i Air S Attic E Outlet Air To Attic Coot To EME Space Space Inlet ap ap amp Air i Ventilated IERA Crawl Space Fig
44. nd tighten until snug then tighten 1 4 turn more 5 A Contact local natural or propane LP gas company B Clean ODS pilot see Cleaning and Mainte nance page 21 or replace ODS pilot assembly Replace pilot assembly Replace control valve Wait one minute for safety interlock system to reset Repeat ignition operation oN OD Burner s does not light after ODS pilot is lit 1 Burner orifice s is clogged Inlet gas pressure is too low 1 Clean burner orifice s see Cleaning and Mainte nance page 21 or replace burner orifice s 2 Contact local natural or propane LP gas company Delayed ignition of burner s 1 Manifold pressure is too low Burner orifice s is clogged 1 Contact local natural or propane LP gas company 2 Clean burner orifice s see Cleaning and Mainte nance page 21 or replace burner orifice s Burner backfiring during combustion 1 Burner orifice s is clogged or damaged Burner damaged Gas regulator defective 1 Clean burner orifice s see Cleaning and Mainte nance page 21 or replace burner orifice s Replace burner 3 Replace gas regulator N 118621 01B www desatech com 23 TROUBLESHOOTING OBSERVED PROBLEM Continued POSSIBLE CAUSE REMEDY Burner plaque s does not glow 1 2 3 Plaque damaged Inlet gas pressure is too low Control knob set between locked positions 1 2
45. nting screws and studs spacers are in hardware package The hard Attaching to Wall Anchor This method allows ware package is provided with heater you to attach mounting bracket to hollow walls wall areas between studs or to solid walls concrete or masonry Figure 7 Mounting Bracket Clearances 118621 01B www desatech com 9 INSTALLATION Horizontal Slots Continued gt Mounting Attaching To Wall Stud Method Bracket For attaching mounting bracket to wall studs attached to wall 1 Drill holes at marked locations using 9 64 stang Out Tab drill bit 2 Place mounting bracket onto wall Line up last hole on each end of bracket with holes drilled in wall Figure 10 Mounting Heater Onto 3 Insert mounting screws through bracket Mounting Bracket and into wall studs Installing Bottom Mounting Screws 4 Tighten screws until mounting bracket is 1 Locate two bottom mounting holes These firmly fastened to wall studs holes are near bottom on back panel of heater see Figure 11 Attaching To Wall Anchor Method 2 Mark screw locations on wall For attaching mounting bracket to hollow walls wall areas between studs or solid walls 3 Remove heater from mounting bracket concrete or masonry 4 If installing bottom mounting screws into 1 Drill holes at marked locations using hollow or solid wall install wall anchors 5 16 drill bit For solid walls concrete or Follow steps 1 through 4 under At
46. osition Ale Gas leak See Warning statement at top of page Control valve defective Locate and correct all leaks see Checking Gas Con nections page 14 Replace control valve Gas odor during combus tion i Foreign matter between control valve and burner Gas leak See Warning statement at top of page Take apart gas tubing and remove foreign matter Locate and correct all leaks see Checking Gas Con nections page 15 Heater produces a whistling noise when burner is lit 1 Air in gas line Air passageways on heater blocked Dirty or partially clogged burner orifice Operate burner until air is removed from line Have gas line checked by local natural or propane LP gas company Observe minimum installa tion clearances see Figure 4 page 8 Clean burner see Cleaning and Maintenance page 21 or replace burner orifice 118621 01B www desatech com 25 ILLUSTRATED PARTS BREAKDOWN MODELS NZ100 NZ101 NZ102 NZ103 NZ104 NZ105 NZ106 NZ107 NZ116 NZ117 NZ118 AND NZ119 26 www desatech com 118621 01B PARTS LIST This list contains replaceable parts used in your heater When ordering parts follow the instructions listed under Replacement Parts on page 30 of this manual NO PARTNO DESCRIPTION 5 5 N ISIS NNN NNN Von 1 _097159 04 Piezo Ignitor ADO Oe On
47. pilot flame on natural gas units will have a slight curve but flame should be blue and have no yellow or orange color Blue Flame Pilot Burner Thermocouple Figure 29 Correct Pilot Flame Pattern Yellow Flame Pilot Burner Thermocouple Figure 30 Incorrect Pilot Flame Pattern BURNER FLAME PATTERN Figure 31 shows the burners in the ON and OFF positions Burners will come on and go off when the remote control is set in the manual on mode or thermostat mode Figure 32 shows a correct burner flame pat tern Figure 33 shows an incorrect burner flame pattern If burner flame pattern is incorrect as shown in Figure 33 e turn heater off see To Turn Off Gas to Ap pliance page 16 see Troubleshooting page 22 Burners ON Burners OFF Figure 31 Burner Patterns Figure 32 Correct Burner Flame Pattern Nv gu A w Figure 33 Incorrect Burner Flame Pattern 20 www desatech com 118621 01B CLEANING AND MAINTENANCE A WARNING Turn off heater and let cool before cleaning A CAUTION You must keep control areas burner and
48. prevent performance problems do not use propane LP fueltank ofless than 100 Ibs 45 kg capacity 14 Before using furniture polish wax carpet cleaner or similar products turn heater off If heated the vapors from these products may create a white powder residue within burner box or on adjacent walls or furniture 15 Provide adequate clearances around air openings LOCAL CODES Install and use heater with care Follow all local codes In the absence of local codes use the lat est 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 UNPACKING 1 Remove heater from carton 2 Remove all protective packaging applied to heater for shipment 3 Check heater for any shipping damage If heater is damaged promptly return to where you bought heater PRODUCT IDENTIFICATION Heater Control Knob Cabinet lgnitor Button
49. sole plates and floors between wall ceiling joints between wall panels at penetrations for plumbing electri cal and gas lines and at other openings If your home meets all of the three criteria above you must provide additional fresh air See Ventilation Air From Outdoors page 7 If your home does not meet all of the three criteria above proceed to Determining Fresh Air Flow For Heater Location page 6 Confined and Unconfined Space The National Fuel Gas Code ANSI Z223 1 NFPA 54 defines a confined space as a space whose volume is less than 50 cubic feet per 1 000 Btu per hour 4 8 m per kw of the ag gregate input rating of all appliances installed in that space and an unconfined space as a space whose volume is not less than 50 cubic feet per 1 000 Btu per hour 4 8 m per kw of the aggregate input rating of all appliances installed in that space Rooms communicating directly with the space in which the appliances are installed through openings not furnished with doors are considered a part of the un confined space Adjoining rooms are communicating only if there are doorless passageways or ventilation grills between them 118621 01B www desatech com 5 AIR FOR COMBUSTION AND VENTILATION Continued 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 Includ
50. t excess sealant from going into pipe Excess sealant in pipe could result in clogged heater valves A WARNING Use pipe joint sealant that is resistant to liquid petroleum LP gas Install sediment trap in supply line as shown in Figure 17 page 12 Locate sediment trap where it is within reach for cleaning Locate sediment trap where trapped matter is not likely to freeze A sediment trap traps mois ture and contaminants This keeps them from going into heater controls If sediment trap is not installed or is installed wrong heater may not run properly IMPORTANT Hold the pressure regulator with wrench when connecting it to gas pip ing and or fittings Do not over tighten pipe connection to regulator The regulator body could be damaged CHECKING GAS CONNECTIONS AR WARNING Testall gas piping and connections internal and external to unit for leaks after installing or servicing Correct all leaks at once AX WARNING Never use an open flame to check for a leak Apply anoncorrosive leak detec tion fluid to all joints Bubbles forming show a leak Correct all leaks at once A CAUTION For propane LP gas make sure external regula tor has been installed between propane LP supply and heater See guidelines under Connect ing to Gas Supply page 12 PRESSURE TESTING GAS SUPPLY PIPING SYSTEM Test Pressures In Excess Of 1 2 PSIG 3 5 kPa 1 Disconnect appliance with its appliance m
51. taching masonry drill at least 1 2 5 cm deep To Wall Anchor Method 2 Fold wall anchor as shown in Figure 8 If installing bottom mounting screw into 3 Insert wall anchor wings first into hole wall stud drill holes at marked locations Tap anchor flush to wall using 9 64 drill bit 4 For thin walls 1 2 1 3 cm or less insert 5 Replace heater onto mounting Brake red key into wall anchor Push red key to 6 Place spacers between bottom mounting pop open anchor wings see Figure 9 holes and wall anchor or drilled hole IMPORTANT Do not hammer key For 7 Hold spacer in place with one hand With other thick walls over 1 2 1 3 cm thick or hand insert mounting screw through bottom solid walls do not pop open wings mounting hole and spacer Place tip of screw 5 Place mounting bracket onto wall Line up in opening of wall anchor or drilled hole last hole on each end of bracket with wall 8 Tighten both screws until heater is firmly anchors secured to wall Do not over tighten 6 Insert mounting screws through bracket Note Do not replace front panel at this and into wall anchors time Replace front panel after making 7 Tighten screws until mounting bracket is gas connections and checking for leaks firmly fastened to wall see page 12 TT De gt P a 2 Bottom Front View Figure 8 Folding Figure 9 Popping Mounting Anchor Open Anchor Wings Holes Wall For Thin Walls
52. thorized dealers of this product and or DESA Heating Products who will 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 codes and instructions furnished with the unit This warranty does not apply to parts that are not in original condition because of normal wear and tear or parts that fail or become damaged as a result of misuse accidents lack of proper maintenance or defects caused by improper installation Travel diagnostic cost labor transportation and any and all such other costs related to repairing a defective heater will be the responsibility of the owner TO THE FULL EXTENT ALLOWED BY THE LAW OF THE JURISDICTION THAT GOVERNS THE SALE OF THE PRODUCT THIS EXPRESS WARRANTY EXCLUDES ANY AND ALL OTHER EXPRESSED WARRANTIES AND LIMITS THE DURATION OF ANY AND ALL IMPLIED WARRANTIES INCLUDING WARRANTIES OF MERCHANTABILITY AND FITNESS FORA PARTICULAR PURPOSE TO TWO 2 YEARS ON ALL COMPONENTS FROM THE DATE OF FIRST PURCHASE AND DESA HEATING PRODUCTS LIABILITY IS HEREBY LIMITED TO THE PURCHASE PRICE OF THE PRODUCT AND DESA HEATING PRODUCTS SHALL NOT BE LIABLE FOR ANY OTHER DAMAGES WHATSOEVER INCLUDING INDIRECT INCIDENTAL OR CONSEQUENTIAL DAMAGES Some states do not allow a limitation on how long an implied warranty lasts or an exclusion or limitation of incidental or consequential damages so the above
53. ts Technical Ser vice Department at 1 866 672 6040 When calling DESA Heating Products have ready your name e your address model and serial numbers of your heater how heater was malfunctioning e type of gas used propane LP or natural gas purchase date Usually we will ask you to return the part to the factory PARTS NOT UNDER WARRANTY Contact authorized dealers of this product If they can t supply original replacement part s either contact your nearest Parts Central see page 31 or call DESA Heat ing Products at 1 866 672 6040 for referral information When calling DESA Heating Products have ready model number of your heater e the replacement part number SERVICE PUBLICATIONS You can purchase a service manual from the address listed on the back page of this manual Send a check for 5 00 payable to DESA Heating Products ACCESSORIES Purchase these heater accessories from your local dealer If they can not supply these ac cessories either contact your nearest Parts Central see page 31 or call DESA Heating Products at 1 866 672 6040 for referral in formation You can also write to the address listed on the back page of this manual EQUIPMENT SHUTOFF VALVE GA5010 For all models Equipment shutoff valve with 1 8 NPT tap BASE KIT GA4550 For locating heater on the floor away from a wall Complete installation and operating instructions included ELECTRONIC IG
54. ugh 16 switch on remote control to same setting as 1 through 16 switch on receiver Note A small screwdriver can be used to change these code switches TE Back of Remote Control Receiver Slide Switch de D RD Code Switches Figure 28 Receiver and Remote Control Setup 118621 01B www desatech com 19 OPERATING HEATER Continued OPERATING BLOWER This heater has a thermostatic blower that will automatically turn ON or OFF Note Your heater and thermostat blower will not turn on and off at the same time The heater may run for several minutes before the blower turns on After the heater modulates to the pilot position the blower will continue to run The blower will shut off after the heater cabinet temperature decreases Note It is safe to operate heater with blower turned off However the blower helps distrib ute heated air from the heater INSPECTING HEATER Check pilot flame pattern and burner flame pattern often PILOT FLAME PATTERN Figure 29 shows a correct pilot flame pattern Figure 30 shows an incorrect pilot flame pat tern The incorrect pilot flame is not touching the thermocouple This will cause the thermo couple to cool When the thermocouple cools the heater will shut down If pilot flame pattern is incorrect as shown in Figure 30 e turn heater off see To Turn Off Gas to Ap pliance page 16 see Troubleshooting page 22 Note The
55. ure 3 Ventilation Air from Outdoors INSTALLATION NOTICE This heater is intended for use as supplemental heat Use this heater along with your primary heating system Do not install this heater as your pri mary heat source If you have a central heating system you may run system s circulating blower while using heater This will help circulate the heat throughout the house In the event of a power outage you can use this heater as your primary heat source A 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 propane LP If your gas supply is not the correct gas type do not install heater Call dealer where you bought heater for proper type heater This appliance is only for use with the type of gas indicated on the rating plate This appliance is not convertible for use with other gases Ay WARNING This appliance is equipped for natural or pro pane LP gas Field conversion is not permitted 118621 01B www desatech com T INSTALLATION Continued INSTALLATION ITEMS Before installing heater make sure you have the items listed below e for propane LP gas external regulator supplied by installer piping check local codes e sealant resistant to propane LP gas equipment shutoff valve e ground joint union sediment trap e tee joint e pipe wrench e for
56. ustible ma terials gasoline and other flam mable vapors and liquids A WARNING Any change to this heater or its controls can be dangerous AX WARNING Do not use a blower insert heat exchanger insert or other accessory not ap proved for use with this heater Due to high temperatures the appliance should be located out of traffic and away from furniture and draperies Do not place clothing or other flammable material on or near the appliance Never place any objects on the heater Surface of heater becomes very hot when running heater Keep children and adults away from hot surface to avoid burns or clothing ignition Heater will remain hot for a time after shut down Allow surface to cool before touching Carefully supervise young chil dren when they are in the same room with heater Make sure grill guard is in place before running heater 118621 01B e 10 This appliance is only for use with the type of gas indicated on the rating plate This appliance is not convertible for use with other gases Do nat place propane LP supply tank s inside any structure Locate propane LP supply tank s outdoors This heater shall not be installed in a bedroom or bathroom If you smell gas e Shut off gas supply Do not try to light any appliance e Do not touch any electrical switch do not use any phone in your building e Immediately call your gas suppl
Download Pdf Manuals
Related Search