Maytag HJ640NOVET User Manual Download

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Summary of Contents for HJ640NOVET

Page 1: ...w the gas supplier sinstructions if you cannot reachyour gas supplier call the fire department Installation and servicemust be performedby a qualified installer FOR POTABLE WATER service agency or the gas supplier HEATING ONLY WARNING NOT SUITABLE FOR Improper installation adjustment alteration service or mainte SPACE HEATING nance can cause DEATH SERIOUSBODILYINJURY OR PROPERTY DAMAGE Refer to th...

Page 2: ...esulting flashback and fire can heater in place of the factory furnished valve cause death or serious hums to anyone n the area as For safe operation of the water heater the relief valve I must not be removed from it s designated opening or well asproperty damage If installation in such areas is your only option then I plugged r I I the nstallation must be accomplished in a way that The temperatur...

Page 3: ... could result in improper operation due to re such as a mixing valve should be used at the hot striction of flue gases spillage of flue gases and may water taps used by these people or at the water cause carbon monoxide poisoning heater Mixing valves are available at plumbing sup ply or hardware stores Follow manufacturers instruc tions for installation of the valves Before changing the factory se...

Page 4: ...nd must be piped to an ade ance was purchased or call Maytag Customer Service quate drain The pan must not restrict combustion at 1 800 788 8899 for an authorized servicer to air flow Under no circumstances is the manufactur replace a flooded water heater Do not attempt to er to be held liable for any water damage in con repair the unit It must be replaced nection with this water heater AWARNING H...

Page 5: ...structions for Operation 30 33 Operating 30 32 Temperature Regulation 33 Service and Maintenance 34 36 Venting System Inspection 34 Oiling Instructions B4 Burner Inspection 34 Burner Cleaning 34 L E Gas Control Valve and Burner Assembly Replacement Information 35 Draining 35 Temperature Pressure Relief Valve Operation 36 Drain Valve Washer Replacement 36 Housekeeping 36 Service 36 Condensation 37 ...

Page 6: ...s must conform with this manual Local Codes and with the latest edition of the National Fuel Gas Examine the location to ensure the water heater complies Code ANSI Z223 1 with the Locating the New Water Heater section in this This publication is available from your local govern manual ment or public library gas company or by writing NFPA Batterymarch Park Quincy MA 02269 For California installatio...

Page 7: ... HJ650POVET HJ650NOVET2 HJ650POVET2 HJ675NRVETZ HJ675PRVETZ Tank Capacity In Gallons 50 50 50 75 75 Type of Gas Propane Natural Propane Natural Propane B T U rate 40 000 40 000 40 000 75 000 70 000 Recovery Rate In Gals Per Hr 90 FRise 41 41 41 77 72 Vent Pipe 3 3 3 3 3 Diameter 20 22 22 26 26 Height To Top of Blower 67 673 4 67 711 2 711 Adding suffix D denotes high altitude Example HJ640NOVETD H...

Page 8: ...6001012 FOR WATER NUMBER 66001014 CAPACITY HEATERS HAVING A DIAMETER 26 OR LESS Tools You may or may not need all of these tools depending on your ADDITIONAL TOOLS NEEDED type ofinstaUation These tools can be purchased at your local WHEN SWEAT SOLDERING hardware store i Tubing Cutters or Hacksaw Pipe Wrenches 2 14 Propane Torch So fat Solder Screwdriver Solder Flux Tin Snips _ _ _ o WireBrushes 6 ...

Page 9: ...ater heater is the water be turned offto the entire r now completely disconnected and house _ ready to be removed Check again sure gas sup to make the ply is OFF to the water heater Then I _ _ Q b If you have galvanized pipe to the water disconnect the gas supply connection _ _ heater loosen the two galvanized pipes from the gas control valve with a pipe wrench at the union in each line Also disco...

Page 10: ... non potablewater heating appliance I tern may requirea meanssuchasa mixingvalve tobe installedto temper the water at certainpointsof use Some people are more likely to be permanently injured by hot water than others these includethe AWARNING elderly children the infirm or the physically mentally Toxicchemicals suchas usedfor treatmentof boilersorI handicapped Before immersing yourself or anyone n...

Page 11: ...r servicing and proper operation of the water heater distance must be reduced 5 feet for every 90 elbow See page 22 for vent chart Vent piping cannot slope downward and horizontal runs A WARNING require _ f per five foot rise All horizontal runs require ade INSTALLATIONS IN AREAS WHERE FLAMMABLE LIQ quate support at 3 V2 foot intervals and vertical runs supported UIDS VAPORS ARE LIKELY TO BE PRESE...

Page 12: ...ml _ _ 24 minimum from any appfiance inlet and or outlet vents AIR i i S_ MIN OPEN NGsOI 0 HIN _ _ 5 when direcdy below or 45 to either side of center line Figure I I TOPVIEW I 3b _ orCtC_ET roPw_vo _N WITHOU T DOOR OF CLOSET HAX WITH DOOR 18 minimum in all directions from any obstruction that may FRONTVIE_N _IN OF DOOR interfere Figure 3c I Figure 1 I A R DUCT The location selection must provide ...

Page 13: ... 2 CombustionAir and Ventilation _ for AppliancesLocatedin RAFT GRAVITY _ _RTUc_AvLEDT POWERVENT Unconfined Spaces _7 OR POWER DIRECT VENT ___ APPLIANCE INLET AND OR Unconfined Space is a space whose volume is not Jess than Figure 3b I OUTLET VENT S 50 cubic feet per 1 000 Btu per hour of the aggregate input J rating of all appliances installed in that space Rooms com municating directly with the ...

Page 14: ...ng within 12 inches of the bottom of the of all equipment in the enclosure See Figure 9 enclosure VENT THROUGH _ ROOF ROOF i VENT TO I I OOTOOORS I 1 OPENINGS WATER Figure 9 I _ HEATER Figure6 A 4 When ducts are used they shall be of the same cross sec tional area as the free area of the openings to which they connect The minimum short side dimension of rectangular b ALL AIR FROM OUTDOORS see Figu...

Page 15: ...ing on the thermo WATER LINE stat read the Temperature Regulation section in this manual SHUTOFF J This water heater shall not be connected to any heating sys tems or component s used with a non potable water heating appliance If a water heater is installed in a closed water supply system __ TEMPERATURE such as one having a back flow preventer check valve water PRESSURE RELIEF meter with a check v...

Page 16: ...in the water heater in placeof the factoryfurnishedvalve HOT For safe operation of the water heater the relief valve must not be removed from it s designated opening or DISCHARGE PIPE lugged Donot caporplug _perature pressure relief valve must be installed PROVIDE A 6 AIR into the fitting of the water heater designatedfor GAPBETWEEN THE alve Positionthe valve downward and provide ENDOFTHE DISCHARG...

Page 17: ...ut of the _k CAUTION water heater and the piping If wiring from the fuse box or circuit breaker box was aluminum for the old water heater replace it with Check all new water piping for leaks Repair as needed copper wire If you wish to reuse the existing alu minum wire have the connection at the water heater Wiring made by a competent electrician Contact a local elec trical contractor and or the lo...

Page 18: ...nd all allowable 4 Use wire nuts and connect the power supply wiring to the exceptions refer to the latest edition of the National wires inside the water heater s junction box Electrical Code 5 The water heater must be electrically grounded by the 6 Replace the wiring junction cover using the screw installer The unit will not operate unless it is properly provided ACAUTION Label all wires prior to...

Page 19: ...WARNING Obstructed or deteriorated vent systems may pre Horizontal runs must be securelysupported at 3 foot inter sent a serious health risk or asphyxiation vals and vertical runs supported at 5 foot intervals VENTING THROUGH AN OUTSIDE WALL AWARNING The vent pipe fro_heater must slope upward 8inch per five linear feet 75 GALLON 70 000 AND 75 000 BTU HR MODELS ONLY See rating plate for BTU HR rati...

Page 20: ... to connect the vent pipe to the water heater when the vent 45 vent cap is supplied with the water heater pipe is to be turned horizontally directly offthe blower sup A 4 PVC ABS or CPVC Schedule 40 45 vent cap plied locally must be supplied locally 3 PVC ABS or CPVC Schedule 40 pipe must be sup A 3 PVC ABS or CPVC Schedule 40 pipe minimum plied locally length of 3 must be supplied locally to make...

Page 21: ... to the reducer when the vent pipe is The vent piping maybe installed as follows to be turned horizontally offthe blower supplied locally Horizontal runs require a minimum 1 s rise per five feet 2 PVC ABS or CPVC Schedule 40 pipe must be sup plied locally 3 ELBOW 2 PVC ABS ORCPVC EXAMPLE _ _ _ _ _1 I I_ 2 PVC ABS ORCPVC SCHEDULE 40PIPE SCHEDULE 4_ _ 90 ELBOW I I VENT CAP 3 TO2 PVC ABSOR WITHSCREEN...

Page 22: ...000 BTU HR 75 GALLON 70 000 AND 75 000 BTU HR MODELS MODELS ONLY OPTIONAL 4 VENT PIPING 3 VENT 4 DIA VENT NUMBER OF 90 DEG MAX LENGTH FT ELBOWS Seechartin am columnformax length 110 1 105 2 100 3 95 4 90 5 13Y2 MII_ _ 12 _all _ MII_ RISE Vs 85 6 _ _ _i _ PER FIVE FEET ALL 40 AND 50 GALLON 40 000 BTU HR MODELS ONLY 3 DIA VENT NUMBER OF 90 DEG MAX LENGTH FT ELBOWS 115 1 40 and 50 GALLON 40 000 BTU H...

Page 23: ...ss through an outside wall 85 4 at a height greater than or equal to 12 above the ground 80 5 or above snow accumulation level then the installation 75 6 can be modified as shown below _ _ ALL 40 AND 50 GALLON 40 000 BTU HR MODELS 3 DIA VENT NUMBER OF 90 DEG _ MAX LENGTH FT ELBOWS inside bid 9 _ 105 1 oo 95 3 9O 4 t Bs 5 _MULATION LEVEL ALL 40 AND 50 GALLON 40 000 BTU HR MODELS OPTIONAL 2 VENT PIP...

Page 24: ...AL 59 75 GAL 63 All primers cleaners and cements must meet all local codes l and applicable standards of the American Society For Testing _ Materials Standards Before using primers cleaners and cements stir or shake making sure contents are liquid Do not use if found to be lumpy or jel2 like 1 Cut pipe ends squarely removing all burrs and dirt 2 Dry fit pipe and fittings to be connected for proper...

Page 25: ...lbow is required Place the elbow in the required direction on the blower and using 3 sheet metal screws attach the 4 PVC ABS or CPVC Schedule 40 vent piping elbow A wire screen to fit a 4 PVC ABS or CPVC Schedule 40 _ _ 45 vent cap is supplied with the water heater SEAL WITH A 3 PVC ABS or CPVC Schedule 40 pipe minimum RTV SEALANT _ I _ _ _ length of 3 must be supplied locally to make vent con nec...

Page 26: ...llon 40 000 BTU HR models and must be supplied locally MAINTAIN USTED 2 PVC ABS OR CPVC CLEARANCE EXHAUST VERTICAL U SCHEDULE 40 PIPE VENT 3 TO 2 PVC ABS OR CERTIFIED TOTAL VERTICAL CPVC REDUCER w TER HEATER AND HORIZONTAL RUNS __ LOW 1 3 PVC ABS OR CPVC SCHEDULE 40 PIPE MINIMUM LENGTH 3 I I The water heater requires its own separate venting system The total vertical and horizontalvent runs cannot...

Page 27: ...eater Consult the latest edition of National Fuel Gas Code ANSI ALL 40 AND 50 GALLON 40 000 BTU HR MODELS Z223 1 also referred to as NFPA 54 and the gas company OPTIONAL 2 VENT PIPING concerning pipe size 2 DIA VENT NUMBER OF 90 DEG There must be MAX LENGTH FT ELBOWS A readily accessible manual shut offvalve in the gas supply 50 1 line serving the water heater and 45 2 A drip leg sediment trap ahe...

Page 28: ...opane LP gases DR P LEG coGNATRS O1 SEDIMENT VALVE 3 MIN TRAP SEDIMENT TRAP _ ICAP A sediment trap shall be installed as close to the inlet of the water heater as practical at the time of water heater installa tion The sediment trap shall be either a tee fitting with a capped nipple in the bottom outlet or other device recognized GAS PIPING WITH ALL BLACK IRON PIPE TO as an effective sediment trap...

Page 29: ...I _ DISCHARG E PIPE Is the water heater completely filled with water See Donotcapor Filling instructions in the Instructions for Installation plug section GAS SUPPLY Will a water leak damage anything See the Locating the 1 New Water Heater section Is there proper clearance between the water heater and SHUTOFF VALVE anything that might catch fire See the Locating the New water Heater section TEE Do...

Page 30: ...ot _ J tion to operate ignite burner VENTING MANUAL RESET SWITCH 3 The gas control knob located on the thermostat must be turned to the ON position for the gas to be able to flow DRAFT HOOD 4 The venting manual reset switch must be in the closed f position See Venting Manual Reset Switch in the Troubleshooting section 5 There is a non reset table hi limit switch in the thermo ON OFF SWITCH AIRPRES...

Page 31: ...steps indicatedat For Your Safety on the cover page of this manual then leave the premises Operating instructions are located on front of the water heater above or to one side of the gas control valve _WARNING AN ODORANT IS ADDED TO THE GAS USED BY THIS WATER HEATER FOR YOUR SAFETY IF YOU SMELL GAS Do not try to light any appliance Do not touch any electrical switch do not use any IFigure 111 phon...

Page 32: ...thermostat to lowest setting by turning therwater temperature dial counter clockwise TOP VIEW OF _ _ to its lowest temperaturesetting DO NOT GASCONTROL _ _ _J FORCE Turngas control knobclockwise to OFF position Figure10 page31 4 Wait five 5 minutes to clear out any gas If you WARNING Do not use gas control knob to regu then smell gas STOP Follow B in the safety late gas flow informationabove on th...

Page 33: ...140 F the infirm or physically mentally handicapped If anyone using hot water in your home fits into one of C Is a thermostat setting of approximately 150 E these _roups or if there is a local code or state law requiring a certain temperature water at the hot water tap then you must take special precautions In VERYHOT Is a thermostat setting of approximately 160 E addition to using the lowest poss...

Page 34: ...tion _WARNING pre Obstructed or deteriorated vent systems may sent a serious health risk or asphyxiation AWARNING connected to Be sure the vent piping is properly AWARNING prevent escape of dangerous flue gasses wh ch Soot build up indicatesa problem that requirescorrection could cause deadly asphyxiation beforefurther use Turn OFF gasto waterheater and leave OFF until repairs are made becausefail...

Page 35: ...ft hand threads for the following fittings and their Connect a hoseto the drain valve and terminate to an ade connections quate drain OPEN the water heater drain valve to allow for tank The connection between the manifold and the gas control valve A to B are left hand threads draining NOTE If the water heater is going to be shut down and The connection between the main burner orifice and the manif...

Page 36: ...ater line or a water meter with a check valve Call _ WASHER Mayta_ Customer Service at 1 800 788 8899 for an authorized servicer for further information Do not plug the temperature pressure relief valve Housekeeping AWARNING When checking the temperature pressure relief Vacuum around base of water heater for dust dirt and lint on valve operation make sure that 1 no one is in a regular basls front ...

Page 37: ...izzling or condition and must be corrected frying noise It is recommended that any devices installed which could create Because of the suddenness and amount of water condensation a closed system have a by pass and or the system have an water may be diagnosed as a tank leak After the water in expansion tank to relieve the pressure built by thermal expan the tank warms up about 1 2 hours the conditi...

Page 38: ... less active VENTING MANUAL RESET SWITCH material and then chlorinatlng the water heater tank and all hot water lines Call Maytag Customer Service at 1 800 788 There is a venting manual reset switch located on the draft 8899 for an authorized servicer for further information con hood If the venting manual reset switch is activated it will cerning an Anode Replacement Kit 66001068 and this not rese...

Page 39: ...ure adjustment dial may be set too low See the Temperature Regnlafion section _k WARNING Due to the nature of the typical gas water heater 6 The gascompanycan checkthe gasinput to seeif it is correct the water temperature in certain situations may be hotter than the thermostat setting An underfired water heater will not heat water as quickly Short frequent draws of hot water especially with very c...

Page 40: ...tions may be leaking O The primary anode rod fitting may be leaking O Small amounts of water from relief temperature pressure valve may be due to thermal expansion or high water pressure in your area O The relief Valve be at leaking temperature pressure may the tank fitting _ Water from a drain valve may be due to the valve opened slightly O The drain valve be the tank leaking may at fitting Combu...

Page 41: ...ration resulting in DEATH SERIOUS BODILY INJURY OR PROPERTY DAMAGE THERMOSTAT AND GAS SUPPLY CHECK No Is gas being supplied to the Yes thermostat l I I Turn ON gas supply J Is gas cock knob turned ON I I Yes T_ogascock_ohto_ON _ No T Is thermostat calling for heat Run hot water from heater and turn I ad ustment knob higher Check usmg a manometer at thermostat pressure tap Yes 1 Is there a minimum ...

Page 42: ...Troubleshooting cont d Diagram for Electrical System Check on pages 43 and 44 NATURAL GAS 4_ W C MIN PROPANE LP GAS 10_ W C MIN MANIFOLD 42 ...

Page 43: ...eck section No Does power cord or power wiring have 110 120 volts avail able receptacle and or junction l box with grounded connector r i fSupplyl10 120volts t_ No k i Yes Turn ON _ _ No q Is on off switch ON I Yes ON Is diagnostic indicator light q_ No blinking IS diagnostic indicator light n I No i Yes Yes Replace control I Turn power OFF and back ON I Does the hot surface t Istherea SV t ignito...

Page 44: ...to _ No ground Replace blower Replace correct wiring Yes Replace Hi fimit switch Check at 8 for l15V to No l ground Replaceair _ Check 1 4 WC pres _ Remove venting I pressure switch If OK sure at line to air _ If OK system restrictions Yes pressure switch r No Is burner ON I _ Yes Replace thermostat All systems operational 44 ...

Page 45: ...Notes 45 ...

Page 46: ...Repair Parts List 2__3 _PVC ABS or CPVC Items for all _J other models supplied locally _Or _40 and 50 Gallon models 28 __ 27 10 1 112 _1 2s_lk 24 Q_ 20 23 29 21 17 22 30 16 r 46 ...

Page 47: ...rill Size _3 _ _1 18 Orifice Natural High Altitude 66001035 66001035 66001035 Drill Size 36 36 36 18 Orifice Propane L P Standard 66001172 66001172 Drill Size 50 50 18 Orifice Propane L P High Altitude 66001041 66001041 Drill Size 51 51 19 Manifold Nat 66001386 66001319 66001319 19 Manifold L R 66001387 66001318 20 Gas Control Valve Nat 66001345 66001081 66001345 20 Gas Control Valve L P 66001346 ...

Page 48: ...Repair Parts List 2__ _PVC ABS OR CPVC Items for all _J other models supplied locally _r_ o 40 and 50 Gallon models 27 11 1 10 2s_ 24 _ d 23 29 21 17 22 30 16 or 48 ...

Page 49: ...01025 66001169 Drill Size 33 23 18 Orifice Natural High Altitude 66001035 66001168 Drill Size 36 27 18 Orifice Propane L P Standard 66001172 66001172 66001174 Drill Size 50 50 42 18 Orifice Propane L P High Altitude 66001041 66001041 66001177 Drill Size 51 51 43 19 Manifold Nat 66001297 66001283 19 Manifold LP 66001318 66001298 66001349 20 Gas Control Valve Nat 66001081 66001081 20 Gas Control Val...

Page 50: ...306 9002546 66001068 9001453 66001307 9002547 66001079 9000071 66001318 9002598 66001105 9002769 66001319 9002599 66001146 9000369 66001342 9002678 66001156 0002919050 0 66001345 9002751 66001168 0230209 66001346 9002752 66001169 0230212 66001349 9002979 66001172 0230225 66001366 9003081 66001174 0230247 66001367 9003082 66001177 0230260 66001368 9003089 66001181 9000058 66001369 9003090 66001185 ...

Page 51: ...Notes 51 ...

Page 52: ...il Purchase if a leak occurs in the Tank a new water heater of the closest capacity and quality then available will be replaced free of charge for the water heater with the owner paying all other costs including labor mileage and transportation If the water heater is subjected to commercial institutional industrial or non residential use the above warranty cov erage for tanks that are proved to be...

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