Desa EZ18NR Owner'S Manual Download

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UNVENTED (VENT-FREE) GAS LOG HEATER

OWNER’S OPERATION AND INSTALLATION MANUAL

18", 24" AND 30" REMOTE-READy MODELS

EZ18NR/PR, EZ24NR/PR AND EZ30NR/PR

Design-Certified As Vented Decorative Appliances

For more information, visit www.desatech.com

WARNING: If the information in this manual is not

followed 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

• 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.

Summary of Contents for EZ18NR

Page 1: ... 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 Do not try to light any appliance Do not touch any electrical switch do not use any phone in your building Immediatelycallyourgassupplierfromaneighbor s phone Follow the gas supplier s instructions If you cannot reach your gas supplier call the fire department Ins...

Page 2: ...heat er It uses air oxygen from the room in which it is installed Provisions for adequate combustion and ventilation air must be provided Refer to Air for Combustion and Ven tilation section on page 6 of this manual This appliance may be in stalled in an aftermarket permanently located manufactured mobile home where not prohib ited by local codes This appliance is only for use with the type of gas...

Page 3: ... 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 fireplace WARNING Any change to this heater or its controls can be dangerous SAFETY Continued WARNING Do not use a blower insert heat exchanger insertorotheraccessorynotap proved for use with this heater WARNING Donotallowfans toblowdirectlyintothefireplace...

Page 4: ...fireplace will cause glass to burst Make sure there are no obstructions across openings of fireplace 8 To prevent the creation of soot follow the instructions in Cleaning and Maintenance page 24 9 Before using furniture polish wax carpet cleaner or similar products turn heater off If heated thevaporsfromtheseproductsmay create a white powder residue within burner box or on adjacent walls and furni...

Page 5: ... Fire Protection Association Inc Batterymarch Park Quincy MA 02269 State of Massachusetts The installa tion must be made by a licensed plumber or gas fitter in the Commonwealth of Massachusetts 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 ba...

Page 6: ...r home energy efficient your home 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 insure proper venting of vented fuel burning appliances PROVIDING A...

Page 7: ... Maxi mum Btu Hr the space can support Example 2560 cu ft volume of space x 20 51 200 maximum Btu Hr the space can support 3 Add the Btu Hr of all fuel burning appliances in the space AIR FOR COMBUSTION AND VENTILATION Continued Vent free fireplace ____________ Btu Hr Gas water heater ____________ Btu Hr Gas furnace ____________ Btu Hr Vented gas heater ____________ Btu Hr Gas fireplace logs _____...

Page 8: ...include attics and crawl spaces Follow the National Fuel Gas Code ANSI Z223 1 NFPA 54 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 Figure 2 Ventilation Air from Inside Building Or Remo...

Page 9: ...loth wall coverings or operatingheaterwhereimpurities such as but not limited to to bacco smoke aromatic candles cleaning fluids oil or kerosene lamps etc in the air exist may discolor walls or cause odors Installation Continued Important Vent free heaters add moisture to the air Although this is beneficial installing heater in rooms without enough ventilation air may cause mildew to form from too...

Page 10: ...opening is not needed GotoInstallingDamper Clamp Accessory for Vented Operation page 12 Figure 4 Minimum Clearance for Combustible to Wall Minimum 16 from Side Wall Example Minimum Noncombustible Material Clearances If Not Using Mantel Note If using a mantel proceed to If Using Mantel page 11 If not using a mantel follow the information on this page You must have noncombustible material s above th...

Page 11: ... Mantel Shelf Mantel Shelf IMPORTANT If you cannot meet these mini mum clearances you must operate heater with chimney flue damper open Go to Install ing Damper Clamp Accessory for Vented Operation page 12 Mantel Clearances In addition to meeting noncombustible mate rial clearances you must also meet required clearances between fireplace opening and mantel shelf If you do not meet the clearances l...

Page 12: ...ly open position Damper Damper Clamp Damper Damper Clamp Damper Figure 10 Attaching Damper Clamp Manufactured Fireplace Masonry Fireplace If your heater is a manually controlled model you may use this heater as a vented product There are three reasons for operating your heater in the vented mode 1 The fireplace does not meet the clearance to combustibles requirements for vent free operation 2 Stat...

Page 13: ...sealant resistant to propane LP gas not provided electric drill with 3 16 masonry drill bit Note Install optional receiver and hand held remote control kit see Accessories page 34 before installing gas log heater See installa tion instructions included with the kit 1 Apply pipe joint sealant lightly to male threads of gas fitting not provided Con nect approved flexible gas hose to inlet side of ga...

Page 14: ...ts 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 re duce incoming gas pressure heater regulator damage could occur Install external regulator with the vent pointing down as shown in Figure 13 Pointing the vent down protects it from freezing rain or sleet CAUT...

Page 15: ...Meter 5 W C to 10 5 W C Pressure CHECKING GAS CONNECTIONS WARNING Testallgaspiping and connections internal and external to unit for leaks after installing or servicing Correct all leaks at once WARNING Never use an open flame to check for a leak Applyanoncorrosiveleakdetec tion fluid to all joints Bubbles forming show a leak Correct all leaks at once CAUTION Make sure exter nal regulator has been...

Page 16: ... meter for natural gas or open pro pane LP supply tank valve 3 Make sure control knob of heater is in the OFF position 4 Check all joints from equipment shutoff valve to gas control see Figures 16 and 17 page 15 Apply noncorrosive leak detection fluid to all joints Bubbles form ing show a leak 5 Correct all leaks at once 6 Light heater see Operation page 19 Check all other internal joints for leak...

Page 17: ...o reinstall heater into fireplace Test gas connection for leaks see Checking Gas Connections page 15 11 If logs were removed from heater for in stall remote accessory replace logs see Installing Logs page 18 Installing Batteries for Remote Receiver and Hand Held Remote Control Two 9 volt alkaline batteries not included are required to operate this heater with the wireless hand held remote control ...

Page 18: ...ddle Logs Ember Bed Note Your appliance may vary from model shown but log placement will be the same Rear Log Middle Log Figure 23 Installing Ember Bed Metal Stop Screw Stop 2 Rest rear log in back corner sections of base assembly as shown in Figure 24 Make sure log is completely vertical and not leaning in toward burner where the flame will touch the log 3 Position middle log as shown in Figure 2...

Page 19: ... 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 INSTRUCTIONS WARNING If fireplace has glass doors never operate this heater with glass doors closed If you op erateheaterwithdoorsclosed heat buildup inside fireplace willcauseglasstoburst Make suretherearen...

Page 20: ...ighting Procedure page 21 8 Keep control knob pressed in for 30 sec onds after lighting pilot After 30 seconds release control knob Operation Continued If control knob does not pop out when released contact a qualified service person or gas supplier for repairs Note If pilot goes out repeat steps 4 through 8 9 Slightly push in and turn control knob coun terclockwise to the ON position 10 Wait one ...

Page 21: ...t Figure 30 Setting the Selector switch Control Knob and Flame Adjustment Knob for Remote Operation O F F L O I H ON OFF REMOTE P I L O T O N Flame Adjustment Knob IMPORTANT Do not leave the selector switch in the REMOTE or ON position when the pilot is not lit This will drain the battery On Off Series Model HRC100 Hold the control button on the hand held remote until burner turns on Hold the con ...

Page 22: ...d held remote control will perform a safety override and shut the fireplace off This feature is not available in the MANU mode 2 The receiver continuously receives sig nals from the hand held remote to control the room temperature If the hand held remote is misplaced obstructed or for any reason cannot transmit to the receiver the receiver will shut off the fireplace This will occur in 8 or more m...

Page 23: ...ipping Dirt orotherfineparticlesareburned by heater causing brief patches of orange flame If front burner flame pattern is incorrect as shown in Figure 36 turn heater off see To Turn Off Gas to Ap pliance page 21 see Troubleshooting page 25 Figure 35 Correct Front Burner Flame Pattern Figure 36 Incorrect Front Burner Flame Pattern Yellow Tipping At Top of Blue Flame Check pilot flame pattern and b...

Page 24: ...andcirculating 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 cleaning due to excessivelintfromcarpeting pet hair bedding material etc WARNING Failure to keep the primary air opening s of theburner s cleanmayresultin sooting and property damage Burner Injector Holder and Pilot Ai...

Page 25: ...n PILOT position 4 Air in gas lines when in stalled 5 Depleted gas supply pro pane LP only 6 ODS pilot is clogged 7 Gas regulator setting is not correct REMEDY 1 Reconnect ignitor cable 2 Free ignitor cable if pinched by any metal or tubing Keep ignitor cable dry 3 Replace ignitor cable 4 Replace ignitor 5 Replace pilot assembly 6 Replace pilot assembly 7 Install new alkaline battery in electronic...

Page 26: ...ed in 30 seconds 3 Wait one minute for safety interlock system to reset Repeat ignition operation 4 Fully open equipment shut off valve 5 A Contact local natural or propane LP gas company B Clean ODS pilot see Cleaning and Maintenance page 24 or replace ODS pilot assembly 6 Hand tighten until snug then tighten 1 4 turn more 7 Replace pilot assembly 8 Replace control valve 1 Contact local natural o...

Page 27: ...minute 2 Operate burners until air is removed from line Have gas line checked by local natural or propane LP gas company 3 Observe minimum installa tion clearances see pages 9 through 12 4 Clean burners see Clean ing and Maintenance page 24 or replace burner orifice s 1 Turn heater off when us ing furniture polish wax carpet cleaners or similar products 1 Refer to Air for Combustion and Ventilatio...

Page 28: ...partially clogged 1 Gas leak See Warning statement at top of page 2 Control valve defective 1 Foreign matter between control valve and burner 2 Gas leak See Warning statement at top of page 1 Hand held remote control is too close to heater REMEDY 1 Open window to venti late room Stop using odor causing products while heater is running 2 Refill supply tank propane LP only 3 Locate and correct all l...

Page 29: ...0 5 W C Minimum 5 W C Shipping Weight 32 lbs For purpose of input adjustment EZ24PR ez30Pr Rating Variable 25 000 36 000Btu hr Gas Type Propane LP Ignition Electronic Manifold Pressure 7 9 W C Inlet Gas Pressure in of water Maximum 14 W C Minimum 11 W C Shipping Weight 24 34 lbs 30 36 lbs For purpose of input adjustment EZ24nR EZ30NR Rating Variable 25 000 36 000 Btu hr Gas Type Natural Ignition E...

Page 30: ...www desatech com 114668 01F 30 Parts Models EZ18NR EZ18PR EZ24NR EZ24PR EZ30NR and EZ30PR LPG 5 6 21 14 22 14 23 24 2 19 20 16 1 18 17 10 11 4 3 8 8 12 14 13 7 15 9 8 ...

Page 31: ... 1 12 101004 08 Front Burner Injector Natural 1 101004 11 Front Burner Injector Natural 1 101004 10 Front Burner Injector Propane LP 1 101004 06 Front Burner Injector Propane LP 1 13 112708 01 Remote Burner Tube 1 14 M12461 26 Screw 6 15 099918 02 Pilot Regulator Natural 1 16 099387 09 Pilot Tube Natural 1 099387 12 Pilot Tube Propane LP 1 17 098264 02 Male Fitting 1 18 103781 01 Gas Control Valve...

Page 32: ...le Log 1 114984 08 Middle Log 1 114984 12 Middle Log 1 2 114984 02 Left Top Log 1 114984 09 Left Top Log 1 114984 13 Left Top Log 1 3 114984 03 Right Top Log 1 114984 10 Right Top Log 1 114984 14 Right Top Log 1 4 114984 04 Rear Log 1 114984 11 Rear Log 1 114984 15 Rear Log 1 5 114984 05 Left Control Cover Log 1 6 114984 06 Right Control Cover Log 1 7 114984 07 Ember Bed 1 114984 16 Ember Bed 1 E ...

Page 33: ...lacement part s call DESA Heating LLC at 1 866 672 6040 for referral information A list of authorized dealers can be found by visiting www desatech com When calling DESA Heating LLC have ready model and serial numbers of your heater the replacement part number Service Hints When Gas Pressure Is Too Low pilot will not stay lit burners will have delayed ignition heater will not produce specified hea...

Page 34: ...T1 For all Remote Ready Models The desired comfort setting can be selected on the wall thermostat and the log heater will automatical ly cycle from pilot to the heat setting selected A wall mount docking station is included WALL MOUNT ON OFF SWITCH GWMS2 For all models Allows the gas log heater to be turned on and off with a wall switch VENT FREE LOGMATE FIREBOXES Available in 32 36 and 42 models ...

Page 35: ...______________________________ __________________________________________________________ __________________________________________________________ __________________________________________________________ __________________________________________________________ __________________________________________________________ __________________________________________________________ _______________...

Page 36: ...pproved by DESA Heating LLC Warranty parts must be obtained through authorized dealers of this prod uct and or DESA Heating LLC who will provide original factory replacement parts Failure to use original factory replacement parts voids this warranty Travel handling transportation diagnostic material labor and incidental costs associated with warranty repairs unless expressly covered by this warran...

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