Desa NZ118 - Manuals - manualsarea.com

Page 2 - SAFETY INFORMATION; WARNING: Improper in; Air for Combustion; section on; known to the State of California; Carbon Monoxide Poisoning:; Get fresh air at once!; Have heater; TAbLE OF CONTENTS

www.desatech.com 118621-01B 2 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 consu...

Page 3 - Air for Combustion and Ventilation,; Continued

www.desatech.com 3 118621-01B 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 ...

Page 4 - The National Fuel Gas Code, ANSI; State of Massachusetts:; SAFETY DEvICE; PM

www.desatech.com 118621-01B 4 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 prevent performance problems, do not use propan...

Page 5 - WARNING: This heater shall; National Fuel; Unusually Tight Construction; Ventilation Air From Outdoors; Confined and Unconfined Space

www.desatech.com 5 118621-01B AIR FOR COMbUSTION AND VENTILATION 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 ai...

Page 6 - Ventilation Air From Inside; WARNING: If the area in; National Fuel Gas Code,

www.desatech.com 118621-01B 6 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: Includes the room in which you will install heater plus any adjoining rooms with doo...

Page 7 - vENTILATION AIR; Ventilation Air From Inside Building; National Fuel Gas Code, ANSI; AIR FOR COMbUSTION; Figure 2 - Ventilation Air from Inside; INSTALLATION; NOTICE: This heater is intended; CHECK GAS TYPE; ventilation Air From Outdoors; National Fuel

www.desatech.com 7 118621-01B 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 and one within 12" of the...

Page 8 - Figure 4 - Mounting Clearances As; INSTALLATION ITEMS; cessories; LOCATING HEATER; Accessories

www.desatech.com 118621-01B 8 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, clea...

Page 9 - INSTALLING HEATER TO WALL; Figure 5 - Mounting Bracket; mum clearances shown in Figure; Figure 7 - Mounting Bracket Clearances; To Wall; Attaching to Wall Stud:

www.desatech.com 9 118621-01B INSTALLING HEATER TO WALL Mounting Bracket Locate mounting bracket in heater carton. Re-move mounting bracket from heater carton. Removing Front Panel Of Heater 1. Remove the four painted screws, two on each side of front panel. 2. Pull bottom of front panel forward, th...

Page 10 - Placing Heater On Mounting Bracket; Installing Bottom Mounting Screws; Attaching; Attaching To Wall Stud Method

www.desatech.com 118621-01B 10 Placing Heater On Mounting Bracket 1. Locate two horizontal slots on back panel of heater. 2. Place heater onto mounting bracket. Slide horizontal slots onto stand-out tabs on mounting bracket. INSTALLATION Continued Figure 10 - Mounting Heater Onto Mounting Bracket Mo...

Page 11 - Mounting Base Feet to Heater; Removing Front

www.desatech.com 11 118621-01B 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...

Page 12 - Natural Gas; Figure 16 - External Regulator With Vent; Typical Inlet Pipe Diameters; CONNECTING TO GAS SUPPLY; For natural gas, check gas line

www.desatech.com 118621-01B 12 Tee Pipe Cap Joint Nipple Tee JointReducer Bushing to 1/8" NPT1/8" NPT Plug Tap * 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 s...

Page 13 - CHECKING GAS CONNECTIONS; and connections, internal and; ing to Gas Supply; Figure 18 - Equipment Shutoff Valve

www.desatech.com 13 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 prevent excess sealan...

Page 14 - To Turn Off Gas to; WARNING: Fan accessory; ExTENSION CORD; Figure 21 - Grounding Plug

www.desatech.com 118621-01B 14 INSTALLATION Continued PRESSURE TESTING HEATER GAS CONNECTIONS 1. O p e n e q u i p m e n t s h u t o ff v a l v e ( s e e Figure 18, page 13). 2. For natural gas open main gas valve located on or near gas meter. For pro-pane/LP gas open propane/LP supply tank valve. 3...

Page 15 - Figure 22 - Pilot Knob In The ON Position; OpERATING HEATER; FOR YOUR SAFETY READ; low these instructions exactly,; WHAT TO DO IF YOU SMELL GAS; LIGHTING

www.desatech.com 15 118621-01B smell gas, STOP! Follow “B” in the safety information, column 1. If you don’t smell gas, go to the next step. 6. Press in pilot knob and turn control knob counterclockwise to the PILOT position. Keep pilot knob pressed in for five (5) seconds (see Figure 22). 7. With p...

Page 16 - Remote Control; Figure 24 - Remote Control; LCD Display; manual control heaters at the; TO TURN OFF GAS

www.desatech.com 118621-01B 16 OpERATING HEATER Continued Remote Control 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 switch...

Page 17 - Figure 25 - LCD Display; DOWN; Figure 26 - Mode Buttons; Setting Fahrenheit and Celsius Scale

www.desatech.com 17 118621-01B ON OFF THERMO SET PM FLAME ROOM 1 8 7 2 3 5 4 6 P2 P1 2 P 1 P AM PM Figure 25 - LCD Display buttonsMODE - Changes modes from ON, THERMO and OFF. DOWN - Lowers set temperature in THERMO mode. UP - Increases set temperature in THERMO mode TIME/PROGRAM - Activates time se...

Page 18 - P1 OFF will flash. Push UP or DOWN; Low battery Indicator; To disengage lock out, press and hold UP

www.desatech.com 118621-01B 18 To Activate the Program ModeA 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 activate...

Page 19 - Figure 28 - Receiver and Remote Control; Code Setting

www.desatech.com 19 118621-01B + + 1 9 13 5 7 3 11 15 A M E G C K I O 1 9 13 7 5 3 11 15 OFF REMOTE A M E G C K I O Figure 27 - Receiver Slide Switch Receiver + + 1 9 13 5 7 3 11 15 A M E G C K I O 1 9 13 7 5 3 11 15 OFF REMOTE A M E G C K I O Figure 28 - Receiver and Remote Control Setup Slide Swit...

Page 20 - INSpECTING HEATER; PILOT FLAME PATTERN; bURNER FLAME PATTERN; To Turn Off Gas to Ap-; OPERATING

www.desatech.com 118621-01B 20 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...

Page 21 - WARNING: Turn off heater; bURNER PILOT AIR INLET; the unit to cool for at least thirty minutes.; CAbINET; Air Passageways; Use pressurized air to clean.; Exterior; SERVICE HINTS; When Gas Pressure Is Too Low; TECHNICAL SERVICE

www.desatech.com 21 118621-01B CLEANING AND MAINTENANCE WARNING: Turn off heater and let cool before cleaning. CAUTION: You must keep control areas, burner and circu - lating air passageways of heater clean. Inspect these areas of heater before each use. Have heater inspected yearly by a qualified s...

Page 22 - TROUbLESHOOTING; WARNING: Turn off and unplug heater and let cool before servicing.; POSSIbLE CAUSE; Cleaning and Maintenance; ObSERvED PRObLEM

www.desatech.com 118621-01B 22 TROUbLESHOOTING WARNING: Turn off and unplug heater and let cool before servicing. 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 troubl...

Page 23 - nance

www.desatech.com 23 118621-01B TROUbLESHOOTING Continued POSSIbLE CAUSE 1. C o n t r o l k n o b n o t f u l l y pressed in 2. Control knob not pressed in long enough 3. Equipment shutoff valve not fully open 4. Thermocouple connection loose at control valve 5. Pilot flame not touching thermocouple,...

Page 26 - ILLUSTRATED pARTS bREAkDOwN; MODELS

www.desatech.com 118621-01B 26 OFF PILOT O N 20 10 4 21 24 19 2 3 8 16 18 14 6 9 13 7 1 15 25 22 23 11 17 9 5 12 ILLUSTRATED pARTS bREAkDOwN MODELS NZ100, NZ101, NZ102, NZ103, NZ104, NZ105, NZ106, NZ107, NZ116, NZ117, Nz118 AND Nz119

Page 27 - pARTS LIST; Replacement Parts; DESCRIPTION; Cabinet; PARTS AvAILAbLE — NOT SHOWN

www.desatech.com 27 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. KEY NO. PART NO. DESCRIPTION QTY. 1 097159-04 Piezo Ignitor • • • • • • • • • • • • 1 2 107673-01...

Page 28 - Burner Assembly for Models NZ100,; ILLUSTRATED pARTS bREAkDOwN AND pARTS LIST; bURNER ASSEMbLY

www.desatech.com 118621-01B 28 KEY NO. PART NO. DESCRIPTION QTY. 1 110803-03 ODS/Pilot • • • 1 110803-02 ODS/Pilot • • • 1 2 110186-01 Thermocouple Kit • • • • • • 1 3 109121-01 Pilot Shield • • • • • • 1 4 118628-01 Outlet Tube • • 1 118628-02 Outlet Tube • • • • 5 099218-07 Burner Assembly, 5 Plaq...

Page 29 - SpECIFICATIONS; Wiring Diagram; wIRING DIAGRAMS

www.desatech.com 29 118621-01B SpECIFICATIONS NZ100, NZ104, NZ116 • Natural Gas• 18,000 Btu/hr• Piezo Ignition• Pressure Regulator Setting: 6" W.C.• Inlet Gas Pressure* (in. of water): Maximum - 10.5", Minimum - 7"• Average Heater Weight: 22 lb (10 kg)• Average Shipping Weight: 25.5 lb (...

Page 30 - REpLACEMENT pARTS; Use only original replacement parts.; PARTS UNDER WARRANTY; SERVICE pUbLICATIONS; EQUIPMENT SHUTOFF vALvE; Equipment shutoff valve with; ELECTRONIC IGNITOR KIT - GA435; Provides easier lighting of

www.desatech.com 118621-01B 30 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 Heatin...

Page 31 - pARTS CENTRAL; Portable Heater Parts

www.desatech.com 31 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 & Equipment Co. 5 Manila AveHamden, CT 06514-03221-800-397-7553203-248-7553 Portable He...

Page 32 - kEEp THIS wARRANTY; wARRANTY INFORMATION; LIMITED wARRANTIES FOR NEw AND FACTORY; Model

kEEp THIS wARRANTY wARRANTY INFORMATION 2701 Industrial DriveP.O. Box 90004Bowling Green, KY 42102-9004www.desatech.com 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 applica...