State Water Heaters Gas Water Heater Owner'S Manual And Installation Manual Download

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Electronic control unit

Part Nos.

Part Names

Order Nos.

Qty/unit

700

Relay case EHU SET-AS

9004210

703

Mounting plate for relay case EHU

9004211

704

Relay case cover EHU

9004212

705

Harness EHV

9004213

706

Lamp cable conduit CRP

9004214

707

Current leakage safety device DTJ

9004215

708

Mounting plate for terminal block DZT

9004216

709

Conduit 92-100V EAU

9004217

710

Power supply relay cord EAU

9004218

711

Transformer EDN

9004219

712

Transformer cover DJP

9004220

714

Nylon clamp HP-4N (NK-4N)

9004221

716

Terminal block CRP

9004222

731

Cross recessed bind machine screw M3.5X6

732

Cross recessed round-head N-tapping screw 4X12

Summary of Contents for Gas Water Heater

Page 1: ...ediately 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 qualified installer service agency or the gas supplier Owner s Guide and Installation Manual Thank you for purchasing this Gas Water Heater Before using please Read this manual completely for co...

Page 2: ...t and gas route 23 Hot water feed route 25 Electronic control unit 27 Electronic control unit Remote controller and Attached set 28 Installation Manual 29 1 Included Accessories 30 2 Optional Accessories 30 3 Before Installation 31 4 Choosing Installation Site 31 5 Installation Clearances 33 6 Installation 34 7 Vent Pipe Installation Indoor Installation Only 35 8 Gas Piping 37 9 Water Piping 39 10...

Page 3: ...ge 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 exhaust pipe is displaced has holes or is corroded If you detect a gas leak 1 Do not try to light any appliance 2 Do not touch any electrical switch do not use any phone in your building 3 Immedia...

Page 4: ...s timber boxes with flammable materials etc Do not place or use a spray can near the heater or the exhaust vent terminal Left side Min 2 Right side Min 2 Min 3 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 When installing ...

Page 5: ...to impact or force Do not use the water heater for other than 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 Do not install in salons or other locations where hair spray or other aerosols will be used Do not install in locations where excessive dust ...

Page 6: ...nt terminal for blockage Do not use parts other than those specified for this equipment Do not drink water that has been inside the unit for an extended period of time Do not drink the first use of hot water from the unit in the morning Clean the filter on the water inlet as frequently as required by the quality of your local water Keep the area around the unit clean If boxes weeds cobwebs cockroa...

Page 7: ... 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 Water Drain Valve with Water Filter Inside Water Inlet p 14 Pressure Relief Valve General Parts ...

Page 8: ...tton For turning the heater on and off Flow Meter Alarm Set Button For setting the flow meter alarm Setting Buttons Optional Remote Controller 9004223 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 ...

Page 9: ...r 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 10: ...e using Temperatures above 125 F can scald instantly 1 Check that electrical power is connected 2 4 How to Use For N 063S Setting and Using the Water Heater Temperature If you want to the temperature to be changed to 130 F or 140 F contact the installer or sales agent Turn on hot water Turn off the hot water WARNING High Temperature The electrical power does not need to be disconnected between use...

Page 11: ...r fixture and keep a small stream of hot water running 400cc minute or about 1 4 thick If there is a mixing valve set it to the highest level When linking multiple units discharge water equivalent to 400 cc minute per unit 4 The flow may become unstable from time to time Check the flow 30 minutes later In general it is not advisable to run water through the unit when it is OFF see p 6 but in this ...

Page 12: ...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 13: ...er is water resistant but not water proof Keep it as dry as possible Caution Regular Maintenance 1 Periodic Inspection Check For laundry newspaper timber oil spray cans and other combustible materials p 4 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 14: ...water fixtures 3 With a bucket ready remove the inlet and outlet drain plugs about 0 2 gal will drain out 4 Take the water drain valve with water filter out of the inlet See illustration to 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 and close the drain plugs Take care not to lose the packing 7 Close all h...

Page 15: ...gas and water supply valves fully open If the amount of hot water required is very high it is possible for the temperature to be lower than the temp erature set on the remote controller Decrease the amount of hot water passing through the unit and the temperature should stabilize The water is not hot enough No water is available when a fixture is opened Is the water supply cut off Is the heater fr...

Page 16: ...he setting of the flow meter alarm Amount of hot water available has decreased over time Is the water filter clogged p 14 The unit will not heat the water if the flow rate is less than 0 75 gallons per minute Open the fixture more or open other fixtures so that a greater flow passes through the unit and the unit should begin heating again When hot water is demanded at other fixtures the amount ava...

Page 17: ...ater 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 smoke is actually steam White smoke comes out of t...

Page 18: ...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 19: ...ted 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 c...

Page 20: ...revention Device GFCI Overheat Prevention Device Freezing Prevention Device Fan Rotation Detector Specifications Specifications Specifications may be changed without prior notice The capacity may differ slightly depending on the water pressure water supply piping conditions and water temperature Performance Item Type Ignition Operating Pressure Minimum Flow Rate Dimensions Weight Water Holding Cap...

Page 21: ...21 External outfitting 011 072 072 071 002 015 015 002 007 005 004 003 001 014 012 013 035 074 034 020 010 073 037 016 ...

Page 22: ...op packing EHU 9004144 1 014 Exhaust cylinder packing EDL 9004145 1 015 Front Packing 3 CYL 9004146 2 016 Lamp seal plate DEC 9004147 1 020 Wiring coupling BXK 9004148 1 034 Junction box set EHU 9004149 1 035 Junction box packing EHU 9004150 1 037 Air thermistor BWC 9004151 1 071 Cross recessed truss type3 EVERTIGHT tapping screw with PW 4X12 072 Cross straight recessed round head collar protrusio...

Page 23: ...tion unit and gas route 100 101 103 102 105 167 110 115 116 074 163 113 111 112 074 074 167 162 117 114 074 169 126 127 127 133 134 132 166 165 128 145 074 074 118 104 125 164 166 140 168 138 134 168 107 106 074 ...

Page 24: ...Conduit guard packing DTJ 9004168 1 125 Manifold LPG EHU SET AS LPG 9004169 1 Manifold NGA EHU SET AS NG 9004170 1 126 Manifold seal packing top DTJ 9004171 1 127 Manifold seal packing side DTJ 9004172 2 128 Manifold seal packing bottom DTJ 9004173 1 132 Gas mech S16D EDN SET V 9004174 1 133 O ring P18 9004175 2 134 O ring P28 9004176 2 138 Gas coupling EHU 9004177 1 140 Gas fitting 20A SET EHU 90...

Page 25: ...de view Thermal fuse fastener Thermal fuse fastener Thermal fuse fastener Freeze preventive heater Heater fastener 407 409 402 Thermal fuse fastener 403 401 400 402 402 402 402 074 404 162 423 407 425 448 451 415 418 416 419 419 417 410 462 073 445 446 419 417 444 426 464 427 465 429 452 444 447 461 429 441 437 438 436 435 410 462 073 409 ...

Page 26: ...ter flow sensor set 3 DUV 9004194 1 426 Water outlet magnetic sensor BWC 9004195 1 427 Water inlet thermistor BWC 9004196 1 429 Thermistor holding plate ALS 9004197 2 435 Water inlet fitting 20A set EHV 9004198 1 436 Water filter DTJ 9004199 1 437 O ring P16D FN7032 9004200 1 438 Water filter SUS EGB 9004201 1 441 Water flow servo set HKP 9004202 1 444 O ring P4C 9004203 2 445 Waterproof cover CZL...

Page 27: ...27 Electronic control unit 709 710 731 731 074 707 732 074 714 716 708 163 074 074 711 712 163 704 700 703 163 074 705 706 074 ...

Page 28: ...onduit CRP 9004214 1 707 Current leakage safety device DTJ 9004215 1 708 Mounting plate for terminal block DZT 9004216 1 709 Conduit 92 100V EAU 9004217 1 710 Power supply relay cord EAU 9004218 1 711 Transformer EDN 9004219 1 712 Transformer cover DJP 9004220 1 714 Nylon clamp HP 4N NK 4N 9004221 1 716 Terminal block CRP 9004222 1 731 Cross recessed bind machine screw M3 5X6 732 Cross recessed ro...

Page 29: ...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 30: ... starting installation Q ty Shape Part Tapping Screw 1 Part Shape Q ty 5 Installation Manual this document 9004223 Remote Controller 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 Q ty Shape Part Part Shape Q ty ...

Page 31: ...ted accidents may occur as a result Check for Ground Water and Well Water Do not use ground water or well water Supplied water that is not of city quality may cause corrosion of the unit Use Caution If Installing This Unit With a Solar Pre Heater Using this unit with a solar pre heater can lead to unpredictable output temperatures and possibly scalding Scalding or malfunction of the unit may occur...

Page 32: ...m 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...

Page 33: ...such impurities The dividing plate should be incombust ible and the width must exceed that of the device Maintain the following clearances to any opening in any building 4 below 1 above and 4 horizontally from any door window or gravity air inlet 3 above any forced air inlet within 10 3 below an overhang Check Illustration Caution Range Exhaust hood Dividing plate 12 Indoor 36 Outdoor 24 Outdoor 4...

Page 34: ...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 35: ... as short as possible Maintain the same vent pipe diameter all the way to the end Pipe diameter 4 Clearances Manufacturer and Enclosed Unenclosed Product Hor Vert Hor Vert Protech FasNSeal 4 3 3 Protech FasNSeal W2 6 6 3 3 FLEX L 8 4 1 4 HeatFab SafTVent 6 6 2 2 Z Flex Z Vent 8 4 1 1 8 sides 12 top 4 bottom These clearances are subject to change Refer to the UL listing for the proper clearances Ho...

Page 36: ...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 37: ...gas supplier Gas Pressure Size the gas line according to total btuh demand of the building and length from the meter or regulator so that the following supply pressures are available even at maximum demand Natural Gas Supply Pressure Min 5 WC Max 10 5 WC LP Gas Supply Pressure Min 10 5 WC Max 14 WC 8 Gas Piping The appliance and its individual shutoff valve must be disconnected from the gas supply...

Page 38: ...e 50 50 000 Btuh requires 1 2 Outlet B 40 65 000 Btuh requires 1 2 Section 1 45 Use 50 115 000 Btuh requires 3 4 Outlet C 30 35 000 Btuh requires 1 2 Section 2 45 Use 50 150 000 Btuh requires 3 4 Outlet D 25 Use 30 25 000 Btuh requires 1 2 Section 3 45 Use 50 175 000 Btuh requires 1 Outlet E 25 Use 30 194 000 Btuh requires 3 4 Section 4 45 Use 50 369 000 Btuh requires 1 1 4 Length in Feet Length i...

Page 39: ...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 co...

Page 40: ...Valve Heating Controls Mixing Valve N 069M N 063S Cold Water Supply Tempered Potable Hot Water Hot Water for Heating If the system requires water for space heating at a higher temperature than for other uses means such as a mixing valve shall be provided to temper the water for the other uses to help prevent scalding For Space Heating Purposes Check Valve Size the pump to provide at least 1 58 GPM...

Page 41: ...r operation after 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 355W Use an appropriate circuit Do not disconnect the power supply when not in use When the power is off the freeze preven tion in the water heater will not activate resulting in possible freezin...

Page 42: ...ng 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 15 it...

Page 43: ...ng 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 with 18AWG wire Use a Y type terminal with a resin sleeve Without the sleeve the copper wire may corrode and cause problems Be sure ...

Page 44: ...er 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 power off to the unit before opening the relief valve and make sure that water draining out of the valve will not cause any damag...

Page 45: ...ition 5 Wait five minutes to clear out any gas If the smell of gas remains stop and follow the instructions on page 3 of this manual 6 Turn the gas control manual valve counterclockwise to the on position 7 Turn on electric power to the unit 8 The unit will now operate whenever hot water is called for If the unit will not operate follow the shutdown instructions and call a service technician Shutd...

Page 46: ...ATER OUTLET 3 4 2 5 10 5 4 3 10 8 1 5 7 7 7 WATER DRAIN VALVE HOT WATER OUTLET WATER FILTER WATER DRAIN VALVE COLD WATER INLET GAS INLET WIRING THROUGHWAYS 4 FLUE COLLAR AIR INLET 1 9 LED AIR INLET 1 7 23 6 1 9 13 1 13 8 13 3 3 2 1 2 4 7 0 4 0 4 9 5 3 UPPER WALL MOUNT BRACKETS 0 4 0 4 4 7 2 4 LOWER WALL MOUNT BRACKETS 3 3 22 3 24 5 ...

Page 47: ...47 ...

Page 48: ...tallation guide carefully before carrying out installation Note Do not connect power to the water heater before the remote controller has been properly installed Do not disassemble the remote controller Wall Packing Connecting Wire Remote Controller Phillips Roundhead Wood Screw Connection of Remote Controller Cord White Connector Remote controller side Y shaped terminal Water heater side two core...

Page 49: ...ndhead 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 Switch Box Tankless Water Heater ...

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