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State Water Heaters 000 - 236, Owner'S Manual And Installation Manual

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State Water Heaters 000 - 236 Owner'S Manual And Installation Manual Download Page 33

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Special part

Special part no.

<Special part>

Installation manual

888

703

705

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176

176

731

731

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708

176

070

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752

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802

801

Electronic control unit

Remote controller

kitchen remote controller

(9004223)

Attached set

N-084M-AOS̲Ame印刷

05.11.25, 9:08 AM

Page 33

Adobe PageMaker 6.5J/PPC

Summary of Contents for 000 - 236

Page 1: ...instructions If you cannot reach your gas supplier call the fire department Installation and service must be performed by a qualified installer service agency or the gas supplier CERTIFIED R 21 000 236 000 BTU Tankless Water Heater Owner s Guide and Installation Manual Printed in the U S A 1005 PART NO 184959 107 Thank you for purchasing this Gas Water Heater Before using please Read this manual c...

Page 2: ...te 29 Hot Water Feed Route 31 Electronic Control Unit 33 Electronic Control Unit Remote Controller and Attached Set 34 Installation Manual 35 1 Included Accessories 36 2 Optional Accessories 36 3 Quick Connect Multi System Installation 37 4 Before Installation 38 5 Choosing Installation Site 38 6 Installation Clearances 40 7 Installation 43 8 Vent Pipe Installation 44 9 Gas Piping 47 10 Water Pipi...

Page 3: ...serious injury and even death when ignored Denotes content that may result in fire serious injury and even death when ignored Denotes content that may result in bodily injury and physical damage when ignored The content following this icon is necessary to understand for safe and easy use of this water heater Remarks Be sure to do Ground Electric Shock Danger Do not use the water heater if the exha...

Page 4: ...into the bath tub Do not turn off the water heater or change the water temperature while someone is using Be sure the gas power supplied matches the gas on the rating plate Warning Important Safety Information 2 Contact sales agent before using with a solar pre heater Contact a qualified service technician for any necessary repairs service or maintenance Consult the nearest sales agent if the wate...

Page 5: ... from vent pipe Do not place combustibles such as laundry newspapers oils etc near the heater or the exhaust vent terminal Exhaust vent terminal indoor installation Indicates suggested clearances for maintenance Front Sug 24 Warning When installing indoors Check the air supply vent for dust or obstructions Do not use combustible chemicals such as oil gasoline benzene etc in the vicinity of the hea...

Page 6: ... hot water supply shower and bath Do not touch the exhaust vent pipe during or immediately after operation of the water heater Do not use hair spray or spray detergent in the vicinity of the heater If this unit will be installed in a salon or other location where hair spray or aerosols will be used locate the unit in a seperate area that is supplied with fresh air from outdoors Do not install in l...

Page 7: ...ons contact sales agent for Instructions Do not use parts other than those specified for this equipment Do not disassemble the remote controller Do not use benzene oil or fat detergents to clean the remote controller This may cause deformation Do not get the remote controller wet Although it is water resistant too much water can cause damage Do not splash water on the remote controller Do not expo...

Page 8: ...ve illustration shows an example of installation The exact installation configuration may be slightly different Main Unit Flue Collar Front Cover Air Inlet Water Supply Valve Gas Supply Valve Pressure Relief Valve Water Drain Valve with Water Filter Inside Water Inlet p 20 ...

Page 9: ...ttings Power On Off Button For turning the heater on and off Flow Meter Alarm Set Button For setting the flow meter alarm p 14 and 15 Setting Buttons Before use remove the protective sheet from the remote controller surface The unit has been shipped from the factory with the remote control set at 110 F General Parts 2 ...

Page 10: ...n p 15 Error Code When this indicator is lit the hot water temperature can be set p 13 Priority Indicator The illustration below shows the remote controller display What is actually displayed depends on how the water heater is set Burner On Indicator A number will flash if a failure occurs p 24 Display General Parts 3 ...

Page 11: ...er make the following preparations Follow steps 1 through 4 1 Open the water supply valve Open a hot water fixture to confirm that water is available and then close the fixture again 3 Open the gas supply valve Hot water fixture 2 Turn on the power CLOSED 4 OPEN ...

Page 12: ...erature To prevent scalding Check the water temperature by hand before bathing or showering When setting the unit to 125 F or higher the temperature display will flash for 10 seconds as a high temperature warning Take caution when using the unit again after setting to 125 F or higher Always check the set temperature before use Do not allow anyone to change the water temperature while hot water is ...

Page 13: ...ure settings below are examples The temperature setting necessary depends on the usage the length of piping and the time of year Initial factory setting is 110 F If fixtures incorporate mixing valves set the temperature higher than usual For most residential applications the recommended setting temperature is 120 F or less For applications that occasionally require a higher temperature setting loc...

Page 14: ...f Button 1 Plug the bath drain Preparation Starting with the power off Always check temperature setting before use Hot Cold On The temperature will be displayed on the remote control thermostat Previous set temperature example 110 F On Check the indicator lights Water temperature ...

Page 15: ...ons 10 60 In 5 gallon intervals 70 100 In 10 gallon intervals or 990 gallons Note The alarm will not sound if it is set for 990 gal Note The alarm will not sound if it is set for 990 gal On Flow meter setting will be flashing ex 45 gal The level can only be adjusted while the indicator is flashing After ten seconds the remote will again display the temperature Off If the flow meter alarm is being ...

Page 16: ...can be muted if it is desired 1 How to Use Muting the Remote Controller Initial factory setting is with sound Sound Muted No sound after 5 sec 1 With the remote controller off hold the Power On Off Button for five seconds Tone sounds after 5 sec The flow meter alarm cannot be muted ...

Page 17: ...y continue 4 Partially close the hot water fixture but keep a small amount of hot water running 1 gal minute or about 2 thick If there is a mixing valve set it to the highest level When linking multiple units discharge water equivalent to 1 gal minute per unit 5 The flow may become unstable from time to time Check the flow 30 minutes later Hot Water Fixture Preventing Damage from Freezing 1 Freezi...

Page 18: ...he unit 6 When the water is completely drained replace all drain plugs and close the hot water fixtures If the water heater will not be used for a long period of time Drain the water Drain the water as follows To avoid burns wait until the equipment cools down before draining the water The appliance will remain hot after it is turned off High Temperature Drain water into a bucket to prevent water ...

Page 19: ...er is water resistant but not water proof Keep it is dry as possible Caution Regular Maintenance 1 Periodic Inspection Check For laundry newspaper timber oil spray cans and other combustible materials p 5 Equipment Remote Controller Wipe the surface with a wet cloth For abnormal sounds during operation For abnormalities in external appearance discoloration or flaws For water leaks from the equipme...

Page 20: ... right 5 Clean the water drain valve with water filter with a brush under running water 6 Replace the water drain valve with water filter Take care not to lose the packing 7 Close all hot water fixtures 8 Open the water supply valve and check that water does not leak from the drain plugs or water drain valve with water filter Water Supply Valve Regular Maintenance 2 Inlet Packing Drain Plug with f...

Page 21: ...power button turned on Are the gas and water supply valves fully open Using the remote controller Is the water temperature setting appropriate p 12 and p 13 If the water supply temperature is high it is possible for the temperature to be higher than the temperature set on the remote controller If only a small amount of hot water is demanded it is possible for the temperature to be higher than the ...

Page 22: ...o be unstable but it should stabilize after a short time There are some types of hot water taps that discharge large volumes of hot water initially but stabilize after time To keep the temperature stable the heater limits the amount of water that can flow through it to a small amount initially but the amount increases over time The amount of hot water in the tub is less more than the set amount Wh...

Page 23: ...nsure the water temperature is stable Other The heater stops burning during operation Are the gas and water supply valves fully open Is the water supply cut off Is the hot water fixture sufficiently open Is the gas being cut off by the gas meter Can other gas devices such as stoves be used For LP Is there enough gas in the tank Can other gas devices such as stoves be used This is normal The white ...

Page 24: ...as listed below When an error code appears the display and the operation light will flash together Remote Controller Have a professional check the gas supply pressure Contact the nearest sales agent Abnormal combustion low gas supply pressure Error Code Cause Action Ignition error Check whether the gas valve is open Press the power button to turn the unit off open a hot water fixture and turn the ...

Page 25: ...ed contact our sales agent If you want to reinstall the appliance at a different location confirm that the gas and power supply indicated on the rating plate are available at the new location If you are not sure consult the local utility company If you move to a region that uses a different type of gas conversion and adjustment of the appliance will be necessary This work must be performed by a ce...

Page 26: ...Stainless Steel Copper Sheeting Copper Tubing Flame Rod Thermal Fuse Pressure Relief Valve Lightning Protection Device ZNR Electric Leakage Prevention Device GFCI Overheat Prevention Device Freezing Prevention Device Fan Rotation Detector 9004223 Remote Controller Remote Controller Cord Anchoring Screws Specifications Specifications Specifications may be changed without prior notice The capacity m...

Page 27: ...27 External outfitting 003 002 003 010 012 001 002 004 008 007 006 005 009 013 014 035 034 016 017 018 025 026 073 070 070 071 074 074 070 072 015 ...

Page 28: ...014 Grommet CXP CXPA026 2 015 Exhaust sylinder packing EDL EDLL002 1 016 Case top cover 2 for AOS EHV EHVA008 1 017 Case top cover for AOS EJM EJMA007 1 018 Case top packing EDM EDML001 1 025 Case for AOS EJM EJMA005 1 026 Air themistor 300 BWC BWCH003 1 034 Junction box set EHU EHUA008 1 035 Junction box packing EHU EHUL002 1 070 Cross recessed round head collar N tapping screw 4X8 071 Cross rece...

Page 29: ...and gas route 100 109 126 173 170 070 119 125 070 173 122 123 121 120 172 172 073 124 171 121 110 116 117 117 118 171 172 175 175 112 113 115 114 111 114 127 070 176 070 132 131 129 128 072 141 070 103 104 101 102 105 070 ...

Page 30: ... 119 Fan moter DKE DKEF030 1 120 Manifold pipe set EDM EDME006 1 121 O ring P25 5 SAB1512 2 122 Gas mech S24DQ CRP SET V SAQ7708 1 123 O ring JASO 2028A 8590109 1 124 Gas fitting 20A set EJH EJHE001 1 125 Mounting plate for burner case DLT DLTC001 1 126 Main damper 11 CRP CRPC052 1 127 Conduit R10 EDM EDMJ006 1 128 Igniter CRP CRPJ002 1 129 High voltage cord 470 SAC1229 1 131 Mounting plate for ig...

Page 31: ...ew Rear side view Right side view 401 424 428 433 402 406 402 407 408 402 173 409 406 471 470 511 411 413 410 434 176 453 172 420 172 455 443 445 509 418 434 456 456 434 431 456 412 417 456 B B 438 439 440 434 172 509 418 073 446 472 471 434 456 A A C C D D 435 412 463 507 508 413 458 423 412 510 402 413 418 172 509 442 441 073 414 454 428 456 434 400 412 511 413 435 421 422 434 437 444 447 452 46...

Page 32: ...ing P16C 3223302 7 435 Shut off cock AXG AXGD089 2 437 Water inlet fitting 20A set EJM EJMD002 1 438 Water filter SUS EGB EGBD032 1 439 O ring 16DF BRQ BRQL008 1 440 Water filter cover DTJ DTJD006 1 441 Drain cock CRU CRUD003 1 442 Hot water resistant O ring P3 SAD6633 1 443 Mixing coupling EAC EACD007 1 444 Mixing body EAC EACD013 1 445 Mixing cylinder BWC BWCD035 1 446 QMF safety valve A S SAA28...

Page 33: ...Special part Installation manual 888 703 705 700 176 176 731 731 070 704 732 070 714 716 708 176 070 070 706 707 701 752 751 753 754 755 802 801 Electronic control unit Remote controller kitchen remote controller 9004223 Attached set ...

Page 34: ...on clamp HP 4N NK 4N 7287909 1 716 Conduit 90 2 CCP CCPJ028 1 731 Cross recessed bind machine screw M3 5X6 732 Cross recessed round head N tapping screw 4X12 751 9004223 body AOS QME QMEJ006 1 752 Dressed frame body QHU QHUA013 1 753 Wall packing QHU QHUA115 1 754 Oar plug 6X25 755 Cross recessed round wood screw 4 1X25 800 AOS packing SET V SKB7074 1 AOS STA packing SET V SKB7076 1 STA 801 Cross ...

Page 35: ...llers In order to use the water heater safely read this installation manual carefully and follow the installation instructions Caution WARNING If the information in this manual is not followed exactly a fire or explosion may result causing property damage personal injury or death Installation must conform with local codes or in the absence of local codes the National Fuel Gas Code ANSI Z223 1 NFPA...

Page 36: ... Remote Controller Cord 10 1 2 Optional Accessories The accessories listed below are not included with the units but may be necessary for installation 9004226 Outdoor Vent Cap 1 9005695 System Controller 9005696 Quick Connect Cord 1 Q ty Shape Part Part Shape Q ty 1 9005694 Remote Controller Cord 26 1 1 1 IK WV 2 Isolator Valves includes pressure relief valve 9005697 Pipe Cover 1 9005711 Outdoor R...

Page 37: ...iagram Insulate the hot water piping to prevent heat loss Insulate and apply heating materials to the cold water supply piping to prevent heat loss and freezing of pipes when exposed to excessively cold temperatures G Quick Connect Cord Remote Controller Cord Gas Supply Piping Cold Water Supply Hot Water Remote Controller Terminal Block Cord Connector Cord Connector Leave enough clearance around t...

Page 38: ... to scalding levels Do not use a solar pre heater with the quick connect multi system Checkup Check the fixing brackets and vent pipe yearly for damage or wear Replace if necessary 5 Choosing Installation Site Locate the appliance in an area where leakage from the unit or connections will not result in damage to the area adjacent to the appliance or to the lower floors of the structure When such l...

Page 39: ...entering in the equipment Avoid installation in places where dust or debris will accumulate Dust may block the air supply opening causing the perfor mance of the device fan to drop and incomplete combustion to occur as a result Install in a location where the exhaust gas flow will not be affected by fans or range hoods Take care that noise and exhaust gas will not affect neighbors Make sure that t...

Page 40: ...it to facilitate inspection If possible leave 24 or more in front of the unit to facilitate maintenance and service if necessary Securing of space for repair inspection 24 or more 8 or more 8 or more Min 3 Min 3 If the unit will be installed in the vicinity of a permanent kitchen range or stove that has the possibility of generating steam that contains fats or oils use a dividing plate or other me...

Page 41: ...Above paved sidewalk or paved driveway located on public property Under veranda porch deck or balcony 7 M indicates clearances required in Canada Maintain clearances in accordance with local installation codes and the requirements of the gas supplier A vent shall not terminate directly above a sidewalk or paved driveway that is located between two single family dwellings and serves both dwellings ...

Page 42: ...nce Requirements from Vent Terminations to Building Openings All clearance requirements are in accordance with ANSI Z21 10 3a 2003 and the National Fuel Gas Code ANSI Z223 1 For Installations in Canada clearances are as follows To windows doors gravity air inlets 36 To forced air inlets 6 These clearance requirements hold true for all of the above situations Indoor Outdoor w vent cap Recess Box 3 ...

Page 43: ...and hang the unit by the upper wall mounting bracket 3 Determine the positions for the remaining four screws two for the top bracket and two for the bottom and remove the unit The weight of the device will be applied to the wall If the strength of the wall is not suffi cient reinforcement must be done to prevent the transfer of vibration Do not drop or apply unnecessary force to the device when in...

Page 44: ...short as possible Maintain the same vent pipe diameter all the way to the end Pipe diameter 4 No of Elbows Max Straight Vent Length 3 15 2 27 1 39 Clearances Manufacturer and Enclosed Unenclosed Product Hor Vert Hor Vert Noritz N Vent 4 3 3 Protech FasNSeal 4 3 3 Protech FasNSeal W2 6 4 3 3 HeatFab SafTVent 6 6 2 2 Z Flex Z Vent 8 4 1 1 Flex L StaR 34 8 4 1 1 These clearances are subject to change...

Page 45: ...n and protect against mechanical failure When the vent penetrates a floor or ceiling and is not running in a fire rated shaft a firestop and support is required Terminate the vent system at least 3 above but not more than 6 above the roof line or according to the vent pipe manufacturer s instructions Provide vertical support every 12 or as required by the vent pipe manufacturer s instructions Slop...

Page 46: ...utdoor air If the unit is installed in a mechanical closet provide a 24 clearance in front of the unit to the door If combustion air will be provided through a duct size the duct to provide 86 cubic feet of fresh air per minute Supply combustion air to the units as per the National Fuel Gas Code ANSI Z223 1 Combustion Air Openings supplying indoor air 20 12 20 12 ...

Page 47: ...ult local codes or the National Fuel Gas Code ANSI Z223 1 Natural Gas Meter Tankless Water Heater 236 000 Btuh Clothes Dryer 35 000 Btuh Barbecue 50 000 Btuh Gas Range Stove 65 000 Btuh 10 10 10 10 5 5 5 5 Gas Fireplace 25 000 Btuh Instructions 1 Size each outlet branch starting from the furthest using the Btuh required and the length from the meter 2 Size each section of the main line using the l...

Page 48: ...eet per Hour of Natural Gas 0 60 Specific Gravity 0 5 WC Pressure Drop Length in Feet Pipe Size 3 4 1 1 1 4 1 1 2 2 10 20 30 40 50 60 70 80 90 100 150 200 206 383 614 1261 2934 147 269 418 888 2078 121 218 334 723 1698 105 188 284 625 1472 94 168 251 559 1317 86 153 227 509 1203 80 141 209 471 1114 75 132 194 440 1042 71 125 181 415 983 67 118 171 393 933 55 94 137 320 762 48 82 116 277 661 R Maxi...

Page 49: ...he rest of the system means such as a mixing valve shall be installed to temper the water to reduce the scald hazard Flush water through the pipe to clean out metal powder sand and dirt before connecting it Take appropriate heat insulation measures e g wrapping with heat insulation materials using electric heaters according to the climate of the region to prevent the pipe from freezing Use a union...

Page 50: ...ixing valve shall be provided to temper the water for the other uses to help prevent scalding For Space Heating Purposes Check Valve Aquastat Use Aquastat if Unit Isn t Controlling Pump Aquastat Use Aquastat if Unit Isn t Controlling Pump Pump Expansion Tank Install According to Local Codes 8 10 Gal Storage Tank To Alleviate Cold Water Sandwich See p 54 Install According to Local Codes Relay for P...

Page 51: ...r servicing Field wiring to be performed at time of appliance installation Caution The electrical supply required by the water heater is 120V AC at 60 Hz The power consumption may be up to 135W or higher if using optional accessories Use an appropriate circuit Do not disconnect the power supply when not in use When the power is off the freeze prevention in the water heater will not acti vate resul...

Page 52: ...Pressing the Flow Meter Alarm Set button for 0 5 seconds will switch the indicated item number from OFF to ON or ON to OFF If the Priority lamp is flashing when an item number is displayed this indicates an ON setting for that item number and if the Priority lamp is off the item number is off Do not change the other item numbers This may cause a fault in the water heater 5 After setting the 14 and...

Page 53: ...be purchased Part 9005694 or use 18AWG wire Install according to the National Electrical Code and all applicable local codes Connecting Remote Controller Cord to Unit Keep the remote controller cord away from the freeze prevention heaters in the unit Tie the redundant cord outside the water heater Do not put the extra length inside the equipment The remote controller cord can be extended up to 300...

Page 54: ...which 120 V will be supplied directly from a wall circuit to the pump 5 Replace the front cover Pump Control Wire Tag Supplies Power for Circulating Pump Use a Relay for Larger Pumps Pump Wiring This feature is not available when using the Quick Connect Multi System feature Relay connection with larger pumps 85 W 1 Locate and prepare the pump control wires as described above 2 Choose a suitable in...

Page 55: ...ally for a proper blue color and consistency If the flame does not appear normal the burner may need to be cleaned If the burner needs to be cleaned it must be performed by a qualified service technician Do not obstruct the flow of combustion and ventilation air The pressure relief valve must be operated once a year to ensure that it is functioning properly and there is no obstruction Turn the pow...

Page 56: ...tructions 1 Stop any water demand 2 Turn off electric power 3 Turn the gas control manual valve clockwise to the off position Should overheating occur or the gas supply fail to shut off turn off the manual control valve to the appliance Handling after trial operation If the unit will not be used immediately close off all gas and water shutoff valves drain all of the water out of the unit and the p...

Page 57: ...HERMISTOR SYSTEM CONTROLLER W W W W W W W BK W W BL BL BL BL BK WATER OUTLET THERMISTOR FREEZE PREVENTION SWITCH TRANSFORMER DISCONNECT FOR SYSTEM CONTROLLER REMOTE CONTROLLER HEAT EXCHANGER THERMISTOR W W WIRING DIAGRAM CURRENT LEAKAGE SAFETY DEVICE GFCI DC140V FAN C COMBUTION FAN C B A INPUT AND OUTPUT PULSE CPU FAN PULSE CONTROL CIRCUIT BURNER SENSOR WATER THERMISTOR FOR HEAT EXCHANGER WATER IN...

Page 58: ...onnector on the Quick Connect Cord to the receptacle inside the unit 5 Attach the ground wire of the Quick Connect Cord to the terminal block fixing plate If the ground wire is not attached electrical noise may cause problems 6 Secure the coupling cord with a clamp 7 Replace the front cover 16 Multi System A Installation without a recirculation system Insulate or apply heating materials to both th...

Page 59: ...3 Gas Pipe Hot Water Return Line Size the water supply piping to allow for maximum flow rates of the units Hot Water 1 1 4 2 Water supply Also disconnect this connector on units 2 6 Disconnect this Connector Expansion Tank Unit 6 Unit 2 Unit 1 System Controller Size the pump to provide at least 2 GPM 10 feet of head piping losses through the system Check the maintenance monitors on the unit to mak...

Page 60: ...Control When installing 2 pumps in parallel The system controller will stop the units from heating when the tank is up to temperature and the unit will cut the flow through it to 1 3 GPM Install the plumbing so that a change in flow will not damage the pump Thermostat System select connector Connect to the Sto rage system connector Pump Control Wires use external relay Also disconnect this connect...

Page 61: ...12345678 B5 B5 System Controller No 5 No 4 No 3 No 2 Remote Control terminal block Remote control terminal block System select connectors Disconnect this Connector Disconnect this Connector Disconnect for system controller Disconnect for system controller Disconnect this Connector Remote Controller Cord PCB Power PCB PCB Power PCB Disconnectforsystemcontroller The remote controller terminal locati...

Page 62: ...ot connect power to the water heater before the remote controller has been properly installed Do not disassemble the remote controller Wall Packing Connecting Wire 9004223 Remote Controller Phillips Roundhead Wood Screw Connection of Remote Controller Cord White Connector To Remote controller Y shaped terminals To Water heater two core Confirm the connection with the labels at both ends of the rem...

Page 63: ...cord Phillips Roundhead Wood Screw Wall Anchor 3 Remove the cover of the remote control mark the location of the screw holes and drill holes for the wall anchors 4 Insert the wall anchors screw the remote control to the wall and replace the cover Remote Controller Cord Wall Packing take off the paper Remote Control Wires Rear Side of Remote Controller ...

Page 64: ...the wall pipe containing the remote controller wires through the hole 4 Slide the junction box packing and the junction box over the remote controller wires and wall pipe protruding from the outside wall Wall packing Wall pipe Take out the pipe about 3 4 from the wall Junction Box Box Nut Junction Box Packing Take off the paper 5 Slide the box nut over the remote controller wires and screw it onto...

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