Hydro-Smart 115 - Hydro
Contents
1. WARNING a EBAaEeTS LUAPAN 6 T113333 sad x Only change the switches with the dark squares The dark squares ya indicate which direction the A dipswitch should be set to y to Z J f Ey y Dipswitches 29 Page Normal Operation FLOW e Theflow rate through the water heater is limited to a maximum of 6 6 GPM e Thetemperature setting along with the supply Household Flow Rates Appliance Use Flow Rate GPM temperature of the water will determine the flow rate EavalOIabaucet 1 0 output of the unit Bath Tub 4 0 10 0 e Please refer to the temperature vs gallons per minute Shower 2 0 chart on p 41 to determine the likely flow rates based Kitchen Sink 1 5 on your local ground water temperature and your Dishwasher 1 5 desired outlet water temperature Washing machine 4 0 e Based on the United States Department of Energy method of testing water heater output the water heater is rated for 172 gallons per hour GPH or 2 9 gallons per minute GPM for Natural Gas and 184 GPH or 3 1 GPM for Propane when raising the water temperature by 77 F from 58 F to 135 F e Refertothe table to the top right for typical household plumbing fixture flow rates to determine what the water heater can do in a household application FREEZE PROTECTION SYSTEM e This unit comes equipped with heating blocks to protect it against damag2. EN eu s Secondary pump Flow sensor A s Water control valve i Radiant heating Pump controller I Primary pump Burner does not accurately Po Expansion tank represent to the water T 5 heater s physical i ss ra 7 lt Water supply description Check valve Heating panel Integrator strainer 1 A hot water tap is turned on 2 Water enters the heater 3 The water flow sensor detects the water flow 4 The computer initiates the fan motor and sends a signal to the igniter to create an ignition spark 5 The gas ignites and flames appear within the burner chamber Water circulates through the heat exchanger and then gets hot Using thermistors to measure temperatures throughout the water heater the computer modulates the gas and water valves to ensure proper output water temperature 8 When the tap is turned off the unit shuts down 4 Page Safety Guidelines SAFETY GUIDELINES SAFETY DEFINITIONS A Indicates an imminently hazardous situation which if not avoided will result in death or serious injury DANGER p A Indicates an imminently hazardous situation which if not avoided could result in death or serious injury WARNING did A Indicates an imminently hazardous situation which if not avoided could result in minor or moderate injury CAUTION i GENER
3. o Standby 6 2W 0 05A u e Freeze 6 111W 0 93A C Protection 40 psi or above is recommended for maximum flow The Manifold Pressure is the factory setting and generally should not need adjustment NOTE e Check the rating plate to ensure this product matches your specifications e n accordance with ANSI Z21 10 3 CO emission does not exceed 400 PPM for normal input e Hydro Smart reserves the right to discontinue or change at any time specifications or designs without notice and without incurring obligations 3 Page Introduction pulis This diagram illustrates tankless water heater design concepts only and This manual provides information necessary for the installation operation and maintenance of the water heater The model description is listed on the rating plate which is attached to the front panel of the water heater Please read all installation instructions completely before installing this product If you have any problems or questions regarding this equipment consult with Hydro Smart Hydro Smart 115 is a water heater designed to be used with radiant heating in a combination Hydro Panel Please read all installation instructions completely before installing this product This product is only to be used with Hydro Smart Heating Panels Integrator The principle behind tankless water heaters is simple Hydro Smart 115
4. be at least 2 ft away from an opposite surface wall Do not place the termination directly in front of an opening into a building For multiple unit rooftop terminations whether for standard indoor or direct vent installations space all exhaust and intake terminations in accordance with local codes An exhaust termination must be spaced from a wall or surface in accordance with local codes as well In the absence of such a code an exhaust termination must be a horizontal distance of at least 2 ft away from a wall or surface 16 Page Installation GAS SUPPLY AND GAS PIPE SIZING General e Check that the type of gas matches the rating plate first A e Ensure that any and all gas regulators used are operating properly and providing gas pressures within the specified range shown below Excess gas WARNING inlet pressure may cause serious accidents e Conversion of this unit from natural gas to propane or vise versa will void all warranty Contact your local distributor to get the correct unit for your gas type The manufacturer is not liable for any property and or personal damage resulting from gas conversions The minimum and maximum inlet gas pressures are Gas type Inlet gas pressure Natural Gas Min 5 0 WC Max 10 5 WC Propane Min 8 0 WC Max 14 0 WC Gas pressure above this specified range for the water heater and or insufficient gas volume will adversely affect performance These pressures are m
5. error code which signifies an inlet thermistor failure Hydro Smart 115 The red LED on the computer board will be blinking two times If the remote controller 9007666005 TK REO2 is installed 32 will display on the screen in its entirety 34 Page Troubleshootin FAULT ANALYSIS OF ERROR CODES If the error code displayed on the computer board of the Water heater or remote controller please check the following After checking Consult with the manufacturer Malfunction RedLED Remote a T Diagnosis description One ipswi Time 0 dipswitch Check the dipswitch settings on the PCB Part 701 3 Five 10 Warning for the e Checkthe gas type of the water heater 991 error code e Check if there is any blockage in the intake air and or exhaust If the water heater is installed as a direct vent system check whether there is enough distance between the intake air terminal and the exhaust terminal Check the altitude elevation of area of where the water heater installed Check if there is grease and or dirt in the burner Part 4101 and the fan motor Part 4103 especially if the water heater has been installed in a contaminated area Times Three 11 Ignition failure Check if the Hi limit switch Part 412 is properly functioning Times Check for connection breakage of wires Part 413 708 709 710 712 burn marks on the computer board Part 701 and or soot on the flame rod Part 108 C
6. Any failures that are not due to defects in materials or workmanship mechanical and or electrical parts E Damages due to improper installation e Gas incorrect gas pipe sizing incorrect gas meter sizing incorrect gas type and or gas pressures that fall outside the product s specified range e Water incorrect water pipe sizing water pressures that fall outside the product s specified range recirculation flow rates that fall outside the product s specified range air removal and or lack of proper methods of air removal in a closed loop circulation system see installation manual for details e Electric supply power voltages that fall outside the product s specified range 42 Page Warranty Damages due to water quality e Introduction of liquids other than potable water or potable water glycol mixtures into the product e Introduction of pool water spa water or any chemically treated water into the product e Introduction of hard water measuring more than 7 grains per gallon 120 ppm for single family domestic applications or more than 4 grains per gallon 70 ppm for all other types of applications into the product e Introduction of untreated or poorly treated well water into the product e Introduction of water with pH levels less than 6 5 and greater than 8 5 into the product Failure of Hydro Smart due to use other than micro boiler with Integrator Panel or if not use with Integrator Panel 43 Page HS
7. Gas Supply and Gas Pipe Sizing isi Water CONNECTIONS cs oo tiro esses ETE AYER RETE EX ERR TRE Xe EPI ore ta Ye o EP Re eo ra toes eh Electrical Connections iom rr tbe cero n En ot erri ee e Pob dr a lee Ove ade Remote Controller Connections a irie ii an Owner s Guide General Operation Ternetab ns SEINE Flow Frese protection Maintenance and POPE Unit Dralnifig m cte eiie tetas efie tee tob aet pter General Error Codes COMPONENTS DIAGRAM PARTS LIST OUTPUT TEMPERATU RE CHART 2 Page 26 28 28 e 28 529 ee 30 30 31 31 32 seed send ois 39 41 42 Specifications Installation Manual SPECIFICATIONS Model Hydro Smart 115 Natural Gas Input Operating Range Min 19 500 Btu h Max 140 000 Btu h Propane Input Operating Range Min 19 500 Btu h Max 140 000 Btu h Gas Connection 54 NPT Water Connections 34 NPT Water Pressure 15 150 psi Natural Gas Min 5 0 WC Inlet Pressure Max 10 5 WC Propane Min 8 0 WC Inlet Pressure Max 14 0 WC Manifold Natural 2 0 WC Pressure propane 2 5 WC Weight 33 Ibs Dimensions H20 5 x W13 8 x D6 7 Ignition Electric Ignition Supply 120 VAC 60 Hz o c Operation 73 1W 0 61A
8. Warranty Burner assembly Burner assembly f EON 107 A SS Manifold assembly 38 Page PARTS LIST Warranty Item Description Part 001 Case assembly 319143 159 002 Front cover 319143 163 003 Air blockage plate 319143 150 004 Bracket 319143 184 005 Junction box 319143 014 006 Junction box inner plate 319143 128 007 Back guard panel 319143 338 050 Screw M4x12 W Washer 319143 025 051 Screw M4x10 W Washer 319143 325 052 Screw M4x10 Coated 319143 026 053 Screw M4x10 319143 060 055 Hex head screw M4x8 319143 063 056 Screw M4x10 319143 372 058 Screw M3x10 319143 327 059 Pan screw M4x12 W Washer 319143 061 061 Tap tight screw M4x12 FEZN 319143 201 062 Pan screw M4x10 319143 062 063 Screw M3x6 319143 087 064 Screw M4x6 319143 328 065 Pan screw M4x8 319143 059 066 Nylon clamp 319143 143 067 Wire clamp 60 319143 048 101 Burner assembly 319143 161 102 Manifold with gas valve assembly LP 319143 169 Manifold with gas valve assembly NA 319143 165 103 Fan motor 319143 347 104 Burner holder gasket 319143 341 105 Burner gasket 319143 031 106 Burner window 319143 033 107 Rod holder gasket 319143 034 108 Flame rod 319143 339 109 Igniter rod 319143 373 110 Rod holder 319143 340 111 Rod cap 319143 038 112 Burner damper 319143 170 113 Manifold gasket A 319143 044 114 Manifold gasket B 319143 045 115 Fan damper 319143 160 118 Gas inlet 319143 050 11
9. An exhaust termination must also be at least 2 ft away from an inside corner if the adjacent wall is less than 2 ft of length the minimum required distance away from the inside corner will be equal to the length of that adjacent wall Exhaust termination ie Exhaust and or direct vent sidewall terminations should m x oem dd gE m EO aft 3 L For direct vent sidewall terminations that use two separate penetrations for the intake and exhaust distance the intake and exhaust terminations at least 3 ft away from each other no matter the orientation SUB SSSSSSSSSSSNS CMS supply inlet A In accordance with local codes Please follow all local and national codes in regards to proper termination clearances In the absence of such codes the following clearances can be used as guidelines Local t 7 Z Z Z Inside corner Direct vent termination For multiple unit direct vent sidewall terminations that combine the intake and exhaust into a single penetration space each direct vent termination at least 1 ft away from each other no matter the orientation A direct vent termination must also be at least 2 ft away from an inside corner if the adjacent wall is less than 2 ft of length the minimum required distance away from the inside corner will be equal to the length of that adjacent wall termination Air intake
10. Wires used for the remote controller connection must be e Minimum 18AWG wire No polarity e Maximum 400 feet long po For detailed connection instructions to the remote controller refer to the instructions that are packaged with the remote controller Remote controller terminal inside water Front of remote Back of remote f gt Vea 9007666005 Connect to these TK REO2 terminals Connect other end to these terminals 22 Page Installation APPLICATIONS Space Heating Applications e In order to purge air in water pipes within a closed loop system an air vent and air separator should be installed in to the system Required circulation flow rates are labeled next to each application diagram These flow rate WARNING requirements must be followed e Toxic chemicals used in boiler treatments such as alcohol glycerol and glycol groups must not be introduced into the system if the system incorporates an open loop potable water system e The water heater can be used to supply potable water and space heating and shall not be connected to any heating system or component s previously used with non potable water where any chemicals were added to the water heating appliances e When the system requires water for space heating at temperatures higher than required for other uses a means such as a mixing valve shall be installed to temper the water for those other uses in
11. the outside of the unit clockwise O to the off position 26 Page Operating Safet Flammable Vapors Vapors from flammable liquids will explode and catch fire causing death or severe burns Do not use or store flammable products such as gasoline solvents or adhesives in the same room or area near the water heater Keep flammable products Vapors 1 Faraway from heater 1 Cannot be seen 2 In approved containers 2 Vapors are heavier than air 3 Tightly closed 3 Goalong way on the floor 4 Outofchildren s reach 4 Can be carried from other rooms to the main burner by air currents WARNING Do not install water heater where flammable products will be stored Read and follow water heater warnings and instructions If owner s manual is missing contact Hydro Smart The outlet hot water temperature of the water heater is factory set at 122 F 50 C Use this heater at your own risk The set outlet water temperature can cause severe burns instantly or death from scalds Test the water before bathing or showering Do not leave children or an infirm person in the bath unsupervised Hot Water temperature over 125 F 52 C can cause severe burns instantly or death from scalding Children disabled and elderly are at the highest risk of being scalded Feel water temperature before bathing or showering Temperature limiting valves are available Ask a professional person WARNING California P
12. to start the water heater 9 Donottouch any electric switches do not use any phone in your building e Immediately call your gas supplier from a neighbor s phone Follow the gas WARNING supplier s instructions e f you cannot reach your gas supplier call the fire department 1 Refer to p 31 2 Fully open the manual 3 Open a hot water tap to instructions water control valve on the verify that water is water supply line flowing to that tap Then close the hot water tap 4 Fully open the manual gas 5 Turn on the 120 volt 60 Hz 6 Now you are ready to control valve installed power supply to the water enjoy hours of endless heater hot water Operating Safet Owner s Guide OPERATING SAFETY a FOR YOUR SAFETY READ BEFORE OPERATING WARNING If you do not follow these instructions exactly a fire or explosion may result causing property damage personal injury or loss of life A This water heater does not have a pilot It is equipped with an ignition device that automatically lights the burner Do not try to light the burner by hand BEFORE OPERATING smell all around the water heater area for evidence of leaking gas Be sure to smell next to the floor because some gas is heavier than air and will settle on the floor WHAT TO DO IF YOU SMELL GAS 9 Donottry to light any appliance 9 Do not touch any electric switch do not use any phone in your building e Immediately cal
13. 07678005 TK BFO1 9007667005 TK TV10 9007671005 TK PCJr2 9007608005 TK KPWL4 9007609005 TK KPWHA 9007680005 TK KPCT43 S lt lt lt lt lt Page Installation 1 Backflow Preventer 9007678005 1 The Backflow preventer prevents the backflow of air through the exhaust vent This helps prevent harmful exhaust gases from entering the home as well as helping to prevent the unit from freezing in areas where cold air can be blown or drawn into the exhaust system Install this vent damper in accordance with the installation instructions and any applicable codes AW N m 2 Direct Vent Conversion Kit 9007667005 TK TV10 This kit can be used to convert the water heater from a standard vent system to a direct vent or sealed combustion system Install this conversion kit in accordance with the installation instructions and any applicable codes 3 Pipe Covers 9007671005 TK PCJr2 The pipe cover protects the plumbing pipes to the water heater from unexpected adjustments This pipe cover is fixed to the bottom of the water heater which hides the plumbing and improves the visual aspects of the whole installation for the water heater 4 T Vent Wall Thimble with Termination 9007608005 TK KPWL4 and 9007609005 TK KPWH4 These terminations are used when venting out through the wall and are compatible with the T Vent pipe system These terminations are special stai
14. 115 75E012 1
15. 28 water goes through the unit Check for reverse connection and cross connection If you use the remote controller is the power button turned on Check if the inlet temperature is too high The fan motor is still This is normal After operation has stopped the fan motor spinning after operation has keeps running from 15 to 70 seconds in order to re ignite stopped quickly as well as purge all the exhaust gas out of the flue Unit sounds abnormal while e Contact Hydro Smart in operation Remote controller does not e Make sure the unit is supplied with power display anything when the e Make sure the connection to the unit is correct p 22 power button is turned on An ERROR code is displayed e Please see p 34 36 33 Page Troubleshooting ERROR CODES e The units are self diagnostic for safety and convenience when trouble shooting e If there is a problem with the installation or the unit depending on the model or if there is a remote controller installed it will either display a blinking red LED or the error code will display on the remote controller if it is installed e Consult with the table on the following page for the cause of each error code fca N ON fu 8 ur mtr e 1 20 WOE Z i y wie Red LE Error code on the remote Error code on the computer board controller 9007666005 TK RE02 Single unit installations Example If your unit displays the 321
16. 9 Gas inlet ring 319143 049 120 Igniter plate 319143 051 121 Surge box plate 319143 213 150 O ring P18 NBR Black 319143 350 151 O ring P20 NBR Black 319143 057 39 Page Warranty Item Description Part 401 Heat exchanger assembly 319143 162 402 Flow adjustment valve Flow sensor 319143 167 404 Water inlet 319143 193 405 Inlet drain plug 319143 197 407 Inlet thermistor 319143 214 408 Outlet thermistor 319143 218 409 Water outlet 319143 194 410 Outlet drain plug 319143 199 412 Hi Limit switch 319143 228 413 Overheat cut off fuse 319143 149 414 Heater 319143 200 415 Inlet heater 319143 078 450 Pipe heater fixing plate 319143 088 451 Heater fixing plate 16 319143 125 452 Fuse fixing plate 18 319143 066 453 Fuse fixing plate 14 319143 146 454 O ring P4 FKM 319143 082 455 O ring P6 FKM 319143 080 456 O ring P14 FKM 319143 100 457 O ring P15 FKM 319143 091 458 O ring P16 FKM 319143 083 460 Fastener 14 22 319143 105 461 Fastener 16A 319143 226 463 Silicon ring 319143 065 701 Computer board 319143 164 702 Transformer 319143 182 703 Surge box 319143 168 704 AC120V wire 319143 427 705 Transformer wire 319143 155 706 AC120V Power ON OFF switch 319143 141 707 Switch wire 319143 154 708 Gas valve wire 319143 207 709 Flame rod wire 319143 171 710 EH IG wire 319143 209 711 Igniter 319143 052 712 High voltage igniter cable 319143 039 713 Freeze protection thermostat 319143 185 714 Proportional gas va
17. AL 1 Follow all local codes or in the absence of local codes follow the most recent edition of the National Fuel Gas Code ANSI 223 1 54 in the USA or CAN CSA B149 1 Natural Gas Propane Installation Code in Canada 2 Properly ground the unit in accordance with all local codes or in the absence of local codes with the National Electrical Codes ANSI NFPA 70 in the USA or CSA standard C22 1 Canada Electrical Code Part 1 in Canada 3 Carefully plan where you intend to install the water heater Please ensure e Your water heater will have enough combustible air and proper ventilation e Locate your heater where water leakage will not damage surrounding areas please refer to p 7 4 Check the rating plate for the correct GAS TYPE GAS PRESSURE WATER PRESSURE and ELECTRIC RATING f this unit does not match your requirements do not install and consult with Hydro Smart 5 If any problem should occur turn off all hot water taps and turn off the gas Then call a trained technician or the Gas Company or Hydro Smart from scalding The water temperature is set at 122 F 50 C from the factory to minimize any scalding risk Before bathing or showering always check the water WARNING temperature e Do not store or use gasoline or other flammables vapors or liquids in the vicinity of this appliance e Do not reverse the water and or gas connections as this will damage the gas valves and can cause severe injury or death Follo
18. Category appliance and must be vented accordingly with any 4 vent approved for use with Category or Special BH type gas vent Follow the vent pipe manufacturer s instructions when installing the vent pipe Do not common vent this appliance with any other vented appliance Do not terminate vent into a chimney If the vent must go through the chimney the vent must run all the way through the chimney with Category Ill approved or Special BH vent pipe When the horizontal vent run exceeds 5 ft support the vent run at 3 ft intervals with overhead hangars The maximum length of exhaust vent piping must not exceed 50 ft deducting 5 ft for each elbow used in the venting system Do not use more than 5 elbows Diameter Max No of Elbow Max Vertical and Horizontal Total Vent Length 4 5 50 ft For each elbow added deduct 5 ft from max Vent length No of Elbows Max Vertical or Horizontal Length 0 50 ft 1 45 ft 2 40 ft 5 25 ft Venting Illustrations For details of the optional items refer to the Installation manual for each Optional item Horizontal Installation Diagram Vertical Installation Diagram Wall Rain Cap Z er X Roof Flashing 7 Roof N 6 A Z Sidewall Vent B s Terminator Backflow Preventer 2 H H Vertical Condensation Drain Backflow Preventer o Vertical Condensation Drain 13 Page Installation Horizontal Installation Diagram Vert
19. Hydro Smart Gas Micro Boilers Hydro Smart 115 Micro Boiler for Radiant Heating Installation Manual and Owner s Guide If the information in these instructions is not followed exactly a fire or explosion WARNING y P may result causing property damage personal injury or death Do not store or use gasoline or other flammable vapors and liquids in the vicinity of lt this or any other appliance WHAT TO DO IF YOU SMELL GAS I Do not try to light any appliance Do not touch any electric switch do not use any phone in your building Immediately call your gas supplier from a neighbor s phone Follow the gas Hydro Smart 115 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 Ifyou have any questions please call or write to Hydro Smart Inc 10725 165th Ave NW Elk River MN 55330 Please make sure the proper gas pressure guidelines and recommendation from Hydro Smart failure to do so can cause a fire or explosion and may result causing property damage personal injury or death CONTENTS Installation Manual Contents General Cleakahces Included Recessaness Optional Items gs Warning for installations High Altitude installations Venting Instructions o o 05 Ww
20. Hydro Smart does not recommend installing the water heater in an attic due to safety issues If you install the water heater in an attic Make sure the unit will have enough combustion air and proper ventilation Keep the area around the water heater clean When dust collects on the flame sensor the water heater will shut down on an error code e f the above conditions cannot be met use the direct vent conversion kit Part No 9007667005 TK TV10 e Place the unit for easy access for service and maintenance A drain pan or other means of protection against water damage is required to be installed under the water heater in case of leaks e The warranty will not cover damage caused by water quality e Only potable water or potable water glycol mixtures can be used with this water heater Do not introduce pool or spa water or any chemically treated water into the water heater CAUTION e Water hardness levels must not exceed 7 grains per gallon 120 ppm for single family domestic applications or more than 4 grains per gallon 70 ppm for all other types of applications Water hardness leads to scale formation and may affect damage the water heater Hard water scaling must be avoided or controlled by proper water treatment Water pH levels must be between 6 5 and 8 5 e Well water must be treated e Do not install the unit where water debris or flammable vapors may get into the flue terminal e Hydro Smart recommends usin
21. NT EXTEND PAST THE EXPIRATION OF ANY WARRANTY PERIOD HEREUNDER SOME STATES DO NO ALLOW LIMITATIONS ON HOW LONG AN IMPLIED WARRANTY LASTS SO THE ABOVE LIMITATION MAY NOT APPLY TO YOU THIS WARRANTY WILL NOT COVER THE FOLLOWING Any Hydro Smart unit that is not installed by a licensed plumber gas installer or contractor Damages due to accidents abuse misuse improper installation misapplication or incorrect sizing Damages due to fires flooding freezing electrical surges or any Acts of God Damages due to unauthorized alterations attachments and or repairs Damages due to a lack of maintenance e g water treatment system vent blockage etc Any Hydro Smart unit installed in an improper environment e g corrosive dusty chemically contaminated excessive lint etc Freeze damage that occurs without taking proper preventive measures as described in the installation manual Condensate damage due to improperly installed or lack of a condensate trap drain Any Hydro Smart unit not installed in compliance with all applicable local amp state codes ordinances and good trade practices WB Any Hydro Smart unit sold to or installed in areas outside of the fifty states and the District of Columbia of the United States of America and Canada E Any Hydro Smart unit installed in applications that cause the water heater to activate more than 300 times per day this averages to an activation every 5 minutes in a 24 hour period m
22. ORT LIABILITY INCLUDING NEGLIGENCE STRICT LIABILITY INDEMNITY OR OTHERWISE WILL Hydro Smart BE LIABLE FOR ANY SPECIAL INCIDENTAL OR INDIRECT CONSEQUENTIAL DAMAGES INCLUDING PROPERTY DAMAGE PERSONAL DAMAGES LOSS OF USE OR INCONVENIENCE SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF INCIDENTAL OR CONSEQUENTIAL DAMAGES SO THE ABOVE LIMITATION MAY NOT APPLY TO YOU Parts Warranty If all of mechanical and or electrical part fails within two 2 years in normal operation with Integrator Panel and proper installation see instruction from installation manual from the purchasing date Hydro Smart Inc will furnish a replacement part s excluding field labor and shipping Repair Replacement or Refund The manufacturer Hydro Smart Inc or its authorized Service Representative will at its sole discretion repair or replace any failed or defective mechanical or electrical parts or components thereof or if Hydro Smart or its authorized Service Representative cannot replace said parts and repair is not commercially practicable Hydro Smart or its authorized Service Representative will refund the purchase price Hydro Smart or its authorized Service Representative may at its sole discretion use new refurbished or reconditioned parts Limitation on Duration of Implied Warranties ANY IMPLIED WARRANTIES ARISING UNDER STATE LAW INCLUDING THE IMPLIED WARRANTIES OF FITNESS FOR A PARTICULAR PURPOSE AND MERCHANTABILITY SHALL IN NO EVE
23. censed technician If repairs are needed any repairs should be done by a licensed technician UNIT DRAINING 1 Close the manual gas shut off valve 2 Turn off power to the unit and wait a couple of seconds Turn on again 3 Wait 30 seconds and then turn off power to the unit yet again 4 Close the water shut off valve 5 Open all hot water taps in the house When the residual water flow has ceased close all hot water taps 6 Have a bucket or pan to catch the water from the unit s drain plugs Unscrew the two drain plugs Large and small to drain all the water out of the unit Gas Valve 7 Wait a few minutes to ensure all water has gt completely drained from unit 8 Securely screw the drain plugs back into place Hand Drain Plug Water Valve tighten only Small 31 Page Troubleshooting TROUBLESHOOTING GENERAL PROBLEM SOLUTIONS It takes long time to get e The time it takes to deliver hot water from the water heater to hot water at the your fixtures depends on the length of piping between the two fixtures The longer the distance or the bigger the pipes the longer it will take to get hot water The water is not hot e Compare the flow and temperature See the charts on p 41 enough e Check cross plumbing between cold water lines and hot water lines e ls the gas supply valve fully open p 25 e isthe gas line sized properly p 18 e isthe gas supply pressure
24. ction system Any water pipes hot or cold located outside the unit will not be CAUTION protected Properly protect and insulate these pipes from freezing 30 Page Normal Operation MAINTENANCE AND SERVICE Turn off the electrical power supply and close the manual gas shutoff valve WARNING and the manual water control valve before servicing e Be sure that all openings for combustion and ventilation air are not blocked e Theventing system should be checked annually for any leaks corrosion blockages or damage e The burner should be checked annually for dust lint grease or dirt e Keep the area around the water heater clear Remove any combustible materials gasoline or any flammable vapors and liquids e n accordance with all local codes and common safety practices Water discharged from the pressure relief vale can cause severe burns instantly from scalding DO NOT touch the pressure relief valve e Ifthe relief valve discharges periodically it may be due to thermal expansion in a closed water supply system Contact the water supplier or local plumbing inspector on how to correct this situation e Visual check of burner flames see below through the burner window in the burner assembly located at the middle of the water heater Flame blowing up gt Blue flame 5 Red or Yellow flame Satisfactory Unsatisfactory Unsatisfactory Hydro Smart recommends having the unit checked once a year or as necessary by a li
25. d T d water to plumbi Ds w z j below the top of s eu Nc TR the water heater as RUTES s aros CR Ur PH per manufacturer s requirements o recommendations N Thermostatic Mixing Valve C Y s TIS p loop AXE 3 Hot water etween water Ma supply and heaterandfan ym a 5 return to Wali Waler Gas coil shall be in heating coil Outlet Inlet Inlet Heating Coil compliance 4 Check X Drain Water used with air handler with 248 CMR Valves lt mx ug Filter Le di Ty yi Shut Off BN I Valves N NS 120 VAC Switch or Outlet te fi TIT oj S Check Valve Unions NSF 61 product fH System installed with reverse acting t approved pump T Handle Gas aquastat to shut off fan Suggested Shut Off Valve Electronically controlled pump timer Activates every 6 hours for 60 seconds Wire to product approved pump but not required by 248 CMR 50 0 maximum distance from water heater to fan coil and black Develoed length Not including coil in heating unit The circulation pump is to provide no less than 2 GPM and no more than 4 GPM through each activated unit in the system NOTICE e Priority Control Devices such as a flow switch an Aquastat or other electronic controller can be used to prioritize the domestic water system over the heating system e Follow all local codes or in the absence of local codes follow the most recent edition of the National Standard Code ANSI 21 10 3 e This illustration is a concept desig
26. e above 122 F 50 C can cause severe burns or death from scalding Children disabled and the elderly are at high risk of being injured CAUTION 28 Page Normal Operation TEMPERATURE SETTINGS Without remote controller There are 4 temperatures that you can select from by changing the dipswitch settings on the computer board without the remote controller See the table below Temperatures available 113 F 122 F 131 F 140 F For detailed dipswitch settings for each temperature refer to the next page e The temperature has been preset at the factory to 122 F 50 C e f temperatures other than the ones listed above are required the remote controller can provide several more temperature options Refer to p 9 for a list of available temperatures on the remote controller e This water heater is an on demand tankless water heater designed to efficiently supply endless hot water without reference to temperature settings Dipswitch settings for each temperature on the computer board Temperature Settings 113 F on ee 94867 8 d 12345678 131 F on P23 45 6 78 140 F besws678 s a AA 45 C OFF 55 C OFF 60 C OFF Turn off the power supply to the W i f water heater before changing the mp TA dipswitch settings
27. easured when the water heater is in full operation Inlet gas pressure must not exceed the above maximum values gas pressure above the specified range will cause dangerous operating conditions and damage to the unit Until testing of the main gas line supply pressure is completed ensure the gas line to the water heater is disconnected to avoid any damage to the water heater Gas connections Install a manual gas shut off valve between the water heater and the gas supply line When the gas connections are completed it is necessary to perform a gas leak test see below either by applying soapy water to all gas fittings and observing for bubbles or by using a gas leak detection device e The water heater and its individual shutoff valve must be disconnected from the gas supply piping system during any pressure testing of that system at test pressures in excess of 1 2 psi 3 5 kPa e The water heater must be isolated from the gas supply piping system by closing its individual manual shutoff valve during any pressure testing of the gas supply piping system at test pressures equal to or less than 1 2 psi 3 5kPa Always purge the gas line of any debris and or water before connecting to the gas inlet NOTICE Size the gas pipe appropriately to supply the necessary volume of gas required for the water heater using ANSI233 1 NFPA 54 in the USA or CAN CSA B149 1 in Canada or local codes Otherwise flow capabilities and output temperatures wi
28. enough p 19 e sthe set temperature set too low p 28 29 The water is too hot e ls the set temperature set too high p 28 29 The hot water is not e Make sure the unit has 120 VAC 60 Hz power supply available when a fixture e If you are using the remote controller is the power button turned is opened on e ls the gas supply valve fully open p 25 e ls the water supply valve fully open p 25 e sthe hot water fixture sufficiently open to draw at least 0 5 GPM through the water heater p 28 e lsthe unit frozen p 30 e ls there enough gas in the tank cylinder For Propane models The hot water turns e Is the flow rate enough to keep the water heater running p 28 cold and stays cold e Does the recirculation line have enough check valves p 4 O I LL O 2 c Lu x 2 lt a LL a Lu H e ls the gas supply valve fully open p 25 e Are the fixtures clean of debris and obstructions e Check if the flow rate is too low p 28 29 Fluctuation in hot water Is the gas line sized properly p 18 temperature e isthe supply gas pressure sufficient p 19 e Check for cross connection between cold water lines and hot water lines 32 Page Troubleshooting Remote controller c Lu lt LL I LL lt OPTIONAL PROBLEM SOLUTIONS Unit does not ignite when Is the flow rate over 0 5 GPM p
29. es associated with freezing e Forthis freeze protection system to operate there has to be electrical power to the unit Damage to the heat exchanger caused by freezing temperatures due to power loss is not covered under the warranty In cases where power losses can occur consider the use of a backup power supply e The freeze protection system will activate when the surrounding and or outside temperatures drop below 36 5 F 2 5 C e For the Hydro Smart 115 models e n any areas subject to freezing temperatures Hydro Smart highly recommends an indoor installation with an indoor model In such an installation freezing issues can only occur if cold air enters through the venting into the heat exchanger whether by negative pressures within the installation location or by strong outside winds Hydro Smart also highly recommends the use of a back flow vent damper to minimize the amount of cold air entering through the exhaust venting when the water heater is off e It is the installer s responsibility to be aware of freezing issues and take all preventative measures Hydro Smart will not be responsible for any damage to the heat exchanger as a result of freezing e Ifyou will not be using your heater for a long period of time 1 Completely drain the unit of water Refer to p 31 2 Disconnect power to your heater This will keep your unit from freezing and being damaged Only pipes within the water heater are protected by the freeze prote
30. g the direct vent kit when the water heater is installed in a beauty salon Some chemicals used in a beauty salon may affect the flame sensor Water heater may not work properly e Although the water heater is designed to operate with minimal sound Hydro Smart does not recommend installing the unit on a wall adjacent to a bedroom or a room that is intended for quiet study or meditation etc Locate your heater close to a drain where water leakage will not do damage to surrounding areas As with any water heating appliance the potential for leakage at some time in the life of the product does exist Hydro Smart will not be responsible for any water damage that may occur If you install a drain pan under the unit ensure that it will not restrict the combustion air flow 7 Page Installation CLEARANCES i Rd Maintain all clearances around LL the water heater ae Side g ea L T side mm Bottom Model Top Bottom Front Back Sides Hydro Smart 115 124 12 24 1 252 Standard indoor installations and direct vent indoor installations have the same clearances INCLUDED ACCESSORIES Check that these items below are included with the water heater 1 Installation Manual and 2 Product Registration Card 3 Remote controller Owner s Guide 900766605 TK REO2 i eg Qty 1 Qty 1 Qty 1 OPTIONAL ITEMS Model Hydro Smart 115 90
31. ge of wires dust buildup in the fan motor Part 103 and or burn marks on the computer board Part 701 Check for frozen corrosion of connectors Part 103 Check for connection breakage of wires Part 714 and or burn marks on the computer board Part 701 Check the power supply of the water heater For indoor models check if condensate drain is installed on the vent collar of the water heater Check if there is leaking from heat exchanger Part 401 Check the model type of the remote controller Inspect the connections between the water heater and remote controller Check the power supply of the water heater Check the gas type of the water heater Inspect the environment around the water heater Determine how long the unit has been installed Check the altitude elevation of the area of where the water heater installed Check if there is any blockage in the intake air and or exhaust If the water heater is installed as a direct vent system check whether there is enough distance between the intake air terminal and the exhaust terminal Check if there is grease and or dirt in the burner Part 101 and the fan motor Part 104 especially if the water heater has been installed in a contaminated area 36 Page Warranty COMPONENTS DIAGRAM Temperature remote controller Computer board Assembly Water outlet section 37 Page
32. heater must be installed in a location where the proper amount of combustible air will be available to it at all times without obstructions 6 The electrical connection requires a means of disconnection to terminate power to the water heater for servicing and safety purposes 7 Donotinstall the unit where the exhaust vent is pointing into any opening in a building or where the noise may disturb your neighbors Make sure the vent termination meets the required distance by local code from any doorway or opening to prevent exhaust from entering a building refer to p 15 8 Particles from flour aerosols and other contaminants may clog the air vent or reduce the functions of the rotating fan and cause improper burning of the gas Regularly ensure that the area around the unit is dust or debris free regular maintenance is recommended for these types of environment 9 If you will be installing the water heater in a contaminated area with a high level of dust sand flour aerosols or other contaminants chemicals they can become airborne and enter and build up within the fan and burner causing damage to the water heater 10 For the Hydro Smart 115 e These units may be converted to a direct vent sealed combustion appliance by installing a direct vent conversion kit Part No 9007667005 TK TV10 which will bring in all required combustible air from outside the building When installing the direct vent conversion kit please follow all instr
33. heck if there is a buzzing spark ignition sound coming from the burner Part 101 when water heater prepares for combustion Listen for the double clunk sound coming from gas valve assembly Part 102 when water heater goes into combustion Check if there is leaking from heat exchanger Part 401 Three 12 Loss of flame Check if the Hi limit switch Part 412 is properly i functioning Times Check for connection breakage of wires Part 413 708 709 710 712 burn marks on the computer board Part 701 and or soot on the flame rod Part 108 Check if there is leaking from heat exchanger Part 401 Times failure e Check for connection breakage of wires and or debris 32 Inlet thermistor on thermistor Part 407 408 failure 39 Air fuel Ratio Rod Check for connection breakage of wires Part 709 Times failure and or soot on the AFR rod Part 108 35 Page Warrant Red LED Six Times Remote Malfunction V e Diagnosis description Abnormal Gas Solenoid Valve Abnormal Main Gas Valve Fan Motor Fault Computer board Fault False Flame Detection Miscommunication between Water heater and remote controller Imperfect combustion Check for connection breakage of wires Part 708 and or burn marks on the computer board Part 701 Check for connection breakage of wires Part 708 and or burn marks on the computer board Part 701 Check for connection breaka
34. ical Installation Diagram With direct venting With direct venting J lt Rain Cap Roof i I Roof Flashing Sidewall x Vent 2 p Terminator SSSSSSS Backflow Preventer Fire stop Backflow Vertical Condensation Drain Preventer Vertical Condensation Drain See the picture below for detailed connection instructions to the Direct Vent Conversion Kit Backflow Preventer Recommended for freezing weather conditions 36 F and below Vertical Condensation Drain must be installed accordance with local codes Installation Diagram of Direct Vent Conversion Kit with water heater Horizontal Installation Diagram With Direct Vent Concentric Termination Intake port of i Direct Vent Wall M Conversion Kit i Direct vent Concentric Termination SSSSSSSSSSSNSSSSNNN 14 Page Vent termination clearances Vent terminal Air supply inlet is not Area where Gas meter resulator Installation permitteq Canada U S A Direct vent and other than Direct Direct vent Other than Direct Vent Vent A E grade veranda porch deck 1 foot 1 foot 1 foot Clearance to window or door that may be 4 feet from below or side B Opened 3 feet 1 foot opening 1 foot from P i above opening C Clearance to permanently closed window i
35. itch power plug etc controlling the main power to the water heater must be provided for service reasons Must comply with local codes e Connect the power supply to the water heater exactly as shown in the wiring diagram A green screw is provided in the junction box to ground the connection Can be hardwired or wired to a plug in The use of a surge protector is recommended in order to protect the unit from power surges Outdoor model only Indoor model only rd P Bottom view of water heater Connect Power supply 120 VAC 60 Hz Ground View of electrical connections of water heater 21 Page Installation REMOTE CONTROLLER CONNECTIONS How to connect the remote controller to the water heater 1 Disconnect power supply from the water heater 2 Take off the water heater s front cover 3 Locate the remote controller terminal pictured below located around the lower right hand side of the computer board 4 Openthe plastic cover of the remote controller and then attach the two fork terminals to connector base of the backside the remote controller with two screws Make sure the terminals are firmly fixed 5 Pull the remote s wires through the hole at the bottom of the water heater s casing 6 Properly attach the remote s wires to the remote controller terminal on the computer board No polarity Do NOT jump or short circuit the wires or computer will be damaged Replace Front Cover securely
36. ithout sufficient inlet gas pressure Below are instructions on how to check the inlet gas pressure THIS IS ONLY TO BE DONE BY A LICENSED PROFESSIONAL 1 Shutoff the manual gas valve on the supply gas line 2 Remove the screw for the pressure port located on XQ the gas inlet of the water heater shown in the diagram to the right e 3 Connectthe manometer to the pressure port Re open the manual gas valve Check to see that there are no gas leaks Open some of the fixtures that use the highest flow rate to turn on the water heater py 5 Check the inlet gas pressure When the water heater C is on maximum burn the manometer should read s from 5 0 to 10 5 WC for Natural gas from 8 0 to f 14 0 WC for Propane Pressure port 19 Page Installation WATER CONNECTIONS e Do not use this water heater if any part has been submersed under water Immediately call a licensed professional to inspect the water heater to replace any damaged parts CAUTION e not reverse the hot outlet and cold inlet connections to the water heater This will not properly activate the water heater All pipes pipe fittings valves and other components including soldering materials must be suitable for potable water systems 1 A manual shut off valve must be installed on the cold water inlet to the water heater between the main water supply line and the water heater In addition a manual shut
37. l your gas supplier from a neighbor s phone Follow the gas supplier s instructions e f you cannot reach your gas supplier call the fire department Use only your hand to turn the gas valve knob Never use tools If the knob will not turn by hand don t try to repair it call a qualified service technician Force or attempted repair may result in a fire of explosion Do not use this water heater if any part has been under water Immediately call a qualified service technician to inspect the water heater and to replace any damaged parts Ur Ps UM d STOP Read the safety information above or in the Owners Manual Turn off all electric power to the water heater Do not attempt to light the burner by hand Turn the manual gas valve located on the outside of the unit clockwise to the off position Wait five 5 minutes to clear out any gas If you then smell gas STOP Follow B in the safety information above on this label If you don t smell gas go to next step Turn the manual gas valve located on the outside of the unit counter clockwise U to the ON position Turn on all electrical power to the water heater If the water heater will not operate follow the instructions to Turn Off Gas to water heater and Call your service technician or gas supplier D TO TURN OFF GAS TO APPLIANCE 1 2 Turn off all electric power to the water heater if service is to be performed Turn the manual gas valve located on
38. ll be limited 17 Page Installation Natural Gas Supply Piping Maximum Delivery Capacity of Cubic Feet of Gas per Hour of IPS Pipe Carrying Natural Gas of 0 60 Specific Gravity Based on Pressure Drop of 0 5 WC Based on Energy Content of 1 000 BTU Cubic Ft The water heater requires 140 Cubic Ft hr Unit Cubic Feet per Hour Pipe Size Length Diameter 10 20 30 40 50 60 70 80 90 100 125 150 200 24 363 249 200 171 152 138 127 118 111 104 93 84 72 1 684 470 377 323 286 259 239 222 208 197 174 158 135 1 1 404 965 7715 663 588 532 490 456 428 404 358 324 278 1 2 103 1 445 1 161 993 880 798 734 683 641 605 536 486 416 2 4 050 2 784 2 235 1 913 1 696 1 536 1 413 1 315 1 234 1 165 1 033 936 801 Propane LP Supply Piping Maximum Capacity of Propane LP Based on 11 WC supply pressure at a 0 5 WC pressure drop Unit kBTU per Hour Pipe Size Length Diameter 10 20 30 40 50 60 70 80 90 100 125 150 200 24 567 393 315 267 237 217 196 185 173 162 146 132 112 15 1071 732 590 504 448 409 378 346 322 307 275 252 213 1 2 205 1 496 1 212 1 039 913 834 771 724 677 630 567 511 440 1 3 307 2 299 1 858 1 559 1 417 1 275 1 181 1 086 1 023 976 866 787 675 2 6 2221 4 331 3 465 2 992 2 646 2 394 2 205 2 047 1 921 1 811 1 606 1 496 1 260 For more information please see the below Gas Sizing Example Based on Energy Content of 1 000BTU Cubic Ft Na
39. lve wire 319143 220 719 Computer board cover 319143 212 720 Rubber grommet 319143 426 721 Cable strap 319143 425 722 Temperature remote controller 319143 352 40 Page OUTPUT TEMPERATURE CHART Chart is based on properly sizes gas line Warranty Output Temperature vs GPM Max 6 6 GPM with Various Inlet Water Temperature e 40F H 50F amp 6 F lt F DL E s 5 n 5 o 100 105 110 115 120 125 130 135 140 150 160 165 9 40 F 3 8 3 5 3 3 3 1 2 9 2 7 2 5 2 4 2 3 2 1 1 9 1 8 50 F 4 6 4 2 3 8 3 5 3 3 3 1 2 9 2 7 2 5 2 3 2 1 2 0 60 F 5 7 5 1 4 6 4 2 3 8 3 5 3 3 3 1 2 9 2 5 2 3 2 2 lt 70 F 6 6 6 6 5 7 5 1 4 6 4 2 3 8 3 5 3 3 2 9 2 5 2 4 41 Page Warranty LIMITED WARRANTY 1 General terms of limited warranty This limited warranty gives you specific legal rights and you may also have other rights which vary from State to State The manufacturer Hydro Smart Inc will honor the warranty to the original retail buyer at the original location only and it is not transferable THIS WARRANTY COVERS ONLY FAILED MECHANICAL AND ELECTRICAL PARTS DUE TO FACTORY DEFECTS UNDER NORMAL USAGE FOR THE PRODUCT S INTENDED PURPOSES ONLY DIRECT DAMAGES SHALL BE RECOVERABLE BY A CLAIMANT UNDER THIS LIMITED WARRANTY AND IN NO EVENT WHETHER AS A RESULT OF BREACH OF CONTRACT BREACH OF WARRANTY T
40. n only The reference to the 1 8 hole in check is only for the State of Massachusetts There are a wide variety of variations to the application of controls and equipment presented Designers must add all necessary safety and auxiliary equipment to conform to code requirements and design practice For more details contact the manufacturer 24 Page Initial Operation INITIAL OPERATION FOR YOUR SAFETY READ BEFORE OPERATING e Check the GAS and WATER CONNECTIONS for leaks before firing unit for the first time e Open the main gas supply valve to the unit using only your hand to avoid any spark Never use tools If the knob will not turn by hand do not try to force it call a qualified service technician Forced repair may result in a fire or explosion due to gas leaks Be sure to check for the presence of leaking gas toward the bottom of the unit because some gases are heavier than air and may settle towards the floor e Check the GAS PRESSURE Refer to p 19 e Donottry to light the burner manually It is equipped with an electronic ignition device which automatically lights the burner e Check for PROPER VENTING and COMBUSTIBLE AIR to the water heater Purge the GAS and WATER LINES to remove any air pockets Do not use this water heater if any part has been submersed under water Immediately call a qualified service technician to inspect the water heater and to replace any damaged parts IF YOU SMELL GAS 9 Donottry
41. nless steel vents for gas appliances and are UL listed as Category II and IV There are two types of terminations the Louver termination and the Hood TK termination For different wall thicknesses there are two ranges Louver Hood of lengths available refer to the venting brochure for details Termination Termination Install these vent terminations in accordance with their plat Mile atta installation instructions and any applicable local codes TK KPWLA4 TK KPWH4 y app 5 Direct Vent Concentric Termination 9007680005 TK KPCT43 Used when terminating direct vent sealed combustion systems with direct vent models that require a 3 intake and a 4 exhaust This concentric termination provides the convenience of only having to make one penetration through a sidewall instead of two separate penetrations for the intake and exhaust piping The termination includes a bird screen restricting small animals pests and foreign objects from entering into the vent system This sidewall termination is available in three different sizes to cover all ranges of wall thicknesses Direct vent Concentric Termination Parti Covering wall thickness 9007680005 TK KPCT43 1 3 9 7 1 9007772005 TK KPCT43 2 6 9 10 1 9007773005 TK KPCT43 3 9 8 13 0 9 Page Installation WARNING FOR INSTALLATIONS FOR YOUR SAFETY READ Do not install the Hydro Smart 115 where water debris or flammable vap
42. off valve is also recommended on the hot water outlet of the unit If the water heater is installed within or subjected to a closed loop water system a thermal expansion tank must be installed Before installing the water heater flush the Water He to remove all debris and after As Close as installation is complete purge the air from the Possible line Failure to do so may cause damage to the a heater T e There is a wire within the cold inlet to trap Hot Cold Gas debris from entering your heater This will need Pressure outlet MER to be cleaned periodically to maintain optimum Relief Valve flow Pressure relief valve The water heater has a high temperature shut off switch built in as a standard safety feature called a Hi Limit switch therefore a pressure only relief valve is required This unit does not come with an approved pressure relief valve An approved pressure relief valve must be installed on the hot water outlet The pressure relief valve must conform to ANSI Z21 22 or CAN 1 4 4 and installation must follow local code The discharge capacity must be at least 140 000 BTU h The pressure relief valve needs to be rated for a maximum of 150 psi The discharge piping for the pressure relief valve must be directed so that the hot water cannot splash on anyone or on nearby equipment Attach the discharge tube to the pressure relief valve and r
43. order to reduce scald hazard potential e Water temperature over 125 F 52 C can cause severe burns instantly or death from scalds e Chemicals such as diluted Glycol can be used for radiant floor Hydro fan coil air or Baseboard heating only The diluted solution of glycol must contain between 25 and 55 96 of Glycol Be aware that in closed loop glycol systems low pressure in the heat exchanger can cause low temperature boiling resulting in excessive noise and damage to the water heater Consult with the glycol maker for specifications prior to use 23 Page Installation Dual purpose hot water heating Domestic and Space Heating Diagramatic Layout of Radiant Heating and Domestic Water Heater Per Mass Code All water piping should be insulated in accordance with 780 CMR h d An approved Temperature and Pressure Massachusetts energy code Cold water supply Relied Valve Tie to Location approved By Local Codes and Must Meet BTU Rating Check valve of water heater Model Used Apply Correct with 1 8 hole aio Shut Off drilling in 4 Gas Exhaust Vent Discharge E Valve clapper optional Must Comply with Local and xpansion x sd State Codes Can Not Be ance Fer Common Vented with Other Automatic Application Pressure Atmospheric langes d tempering device x Gauge X Vacuum Breaker pp must be installe
44. ors may get into the flue terminal This may cause damage to the Hydro Smart 115 and void the warranty Prohibited BEFORE INSTALLATION Do not install next to a dryer or any source of airborne debris that can be trapped inside the combustion chamber unless the system is direct vented Hydro Smart 115 is prohibited and not recommends to be installed in an attic due to safety issues Prohibited 10 Page Installation HIGH ALTITUDE INSTALLATIONS Check the elevation where your water heater is installed Set dipswitches shown in the table below depending on the altitude 4 Altitude pei 2 000 to 4 000 ft 4 000 to 6 000 ft Over 6 000 ft Switch No 3 OFF ON OFF Switch No 4 OFF OFF ON Consult Hydro Smart 4 556 ONLLESS45678 oy S 94 S 078 at 763 MET Cofea maa 331 3066 SN p The dark squares indicate the direction the dipswitches should WARNING be set to Dipswitches 11 Page Installation VENTING INSTRUCTIONS General Improper venting of this appliance can result in excessive levels of carbon monoxide which can result in severe personal injury or death DANGER Improper installation can cause nausea or asphyxiation severe injury or death from carbon monoxide and flue gases poi
45. roposition 65 lists chemical substances known to the state to cause cancer birth defects death serious illness or other reproductive harm This product may contain such substances be their origin from fuel combustion gas oil or components of the product itself 27 Page Normal Operation NORMAL OPERATION WARNING Hot Water temperatures over 125 F 52 C can cause severe burns instantly or death from scalding The outlet hot water temperature of the water heater is factory set at 122 F 50 C GENERAL NOTICE e Flow rate to activate the water heater 0 5 gallons per minute at the default set temperature e Flow rate to keep the water heater running 0 4 gallon per minute Set temperature OPERATION 1 Turn on the 120 VAC power supply to the water heater 2 Press the OPERATION button on the remote in order to turn the remote controller on It shows the set temperature on its display as shown the picture to the below 3 Press the HOT button or the COLD button to set the temperature setting of the unit 4 You can set the temperature from 99 F 38 C to 167 F 75 C lt Exterior view of the remote controller gt INFOMATION Button HOT Button COLD Button OPERATION Button lt The temperature options gt 99 100 102 104 106 108 110 111 113 115 117 122 131 140 158 167 A Temperatur
46. s si Vertical clearance to ventilated soffit located D above the vent terminator within a horizontal distance of 2 feet 61cm from the center line of the terminator E Clearance to unventilated soffit 5 F Clearance to outside corner G Clearance to inside corner al Clearance to each side of center line extended x H 3 feet above meter regulator assembly Clearance to service regulator vent outlet 3 feet is m Clearance to non mechanical air supply inlet 4 feet from below or side J tobuilding or the combustion air inlet to any 3 feet 1 foot opening 1 foot from other application above opening K Clearance to mechanical air supply inlet 6 feet 3 feet 3 feet L Clearance above paved sidewalk or paved 7 feet 7 feet driveway located on public property M Clearance under veranda porch deck or 1 foot balcony For clearances not specified in ANSI 2223 1 54 or CAN CSA B149 1 please use clearances in accordance with local installation codes and the requirements of the gas supplier 15 Page Installation A CAUTION codes supersede these guidelines For sidewall terminations pd c umm Zi gus 7 1ft lt 2 u x u 1ft x 7 Z 7 f l ns i d e 2 corner Exhaust termination For multiple sidewall exhaust terminations e g multi unit systems an exhaust termination must be at least 1 ft away from another exhaust termination
47. soning Improper installation will void product warranty When installing the vent system all applicable national and local codes must be followed If you install thimbles fire stops or other protective devices and they penetrate any combustible or noncombustible construction be sure to follow all CAUTION applicable national and local codes The water heater must be vented in accordance with the section Venting of Equipment of the latest edition of the National Fuel Gas Code ANSI 223 1 54 in the United States and or Section 7 of the CAN CSA B149 1 Natural Gas and Propane Installation Code in Canada as well as applicable local building codes Hydro Smart recommends the T Vent line manufactured by TAKAGI Refer to T Vent brochure for details However the following are also UL listed manufacturers ProTech Systems Inc FasNSeal Flex L Inc Z Flex Inc Z Vent III Metal Fab Inc and Heat Fab Inc Saf T Vent General rules for venting water heaters are Place the water heater as close as possible to the vent terminator The vent collar of the water heater must be fastened directly to an unobstructed vent pipe Do not weld the vent pipe to the water heater s vent collar Do not cut the vent collar of the unit The vent must be easily removable from the top of the water heater for normal service and inspection of the unit The water heater vent must not be connected to any other gas appliance or vent stack Avoid
48. tural Gas Divide each appliance s BTU requirement by 1 000BTU to get the appliances Cubic Ft requirement Water Take into account the distance the appliance is from the gas Heater Dryer meter look in the above gas chart to properly size the line 199 000BTU 35 000BTU f f f For sections of the gas line supplying gas to more than one 10 Length I appliance Ex Point A to Point B add up the cubic ft 5 Length 3 4 Pipe Size 15 Length 10 Length requirements of the appliances that are being supplied by that 1 1 4 Pipe Size B 1 pipe Size ie Pipe Size section and size to the farthest appliance 10 Length For Example The section from A to B supplies gas to the 5 Length 1 Pipe Size 10 Length 15 Length furnace range and dryer Adding up the BTU requirements 1 1 4 Pipe Size 3 4 Pipe Size C 1 2 Pipe Size and dividing by 1 000 yields a cubic ft requirement of 220 cubic ft of gas The farthest appliance is the range which is 50 Gas M Furnace Range ft away from the meter Looking at the above chart and as Meter 120 000BTU 65 000BTU under the column of 50ft Section A to B needs to be 1 in order to supply 220 cubic ft 18 Page Installation Measuring inlet gas pressure 1 Turn off all electric power to the water heater if service is to be performed o 2 Turn the manual gas valve located on the outside of the unit clockwise O to the off position The water heater cannot perform properly w
49. uctions included with the kit e f the water heater is used as a direct vent appliance the unit requires a 3 combustible air supply pipe The intake pipe must be sealed airtight Air supply pipe can be made of ABS PVC galvanized steel corrugated aluminum corrugated stainless steel or Category stainless steel e Terminating the venting through a sidewall is recommended for the direct vent system e Running the exhaust vent and the intake pipe parallel is recommended eTerminating the exhaust and intake on the same wall surface is recommended Terminating in the same pressure zone allows for pressure balancing which prevents nuisance shutdowns 6 Page Installation e Installation and service must be performed by a qualified installer for example a licensed plumber or gas fitter otherwise the warranty by Hydro Smart will be void WARNING The installer licensed professional is responsible for the correct installation of the water heater and for compliance with all national state provincial and local codes e Hydro Smart does not recommend installing the water heater in a pit or location where gas and water can accumulate e Do not have the vent terminal pointing toward any operating window door or opening into a building e Do not install next to any source of airborne debris such as a clothes dryer that can cause debris to be trapped inside the combustion chamber unless the system is direct vented e
50. un the end of the tube to within 6 from the floor This discharge tube must allow free and complete drainage without any restrictions If the pressure relief valve installed on the water heater discharges periodically this may be due to a defective thermal expansion tank or defective pressure relief valve The pressure relief valve must be manually operated periodically to check for correct operation No valve must be placed between the relief valve and the water heater 20 Page Installation ELECTRICAL CONNECTIONS Follow the electrical code requirements of the local authority having jurisdiction In the absence of such requirements follow the latest edition of the National Electrical Code ANSI NFPA 70 in the U S or the latest edition of WARNING CSA C22 1 Canadian Electrical Code Part 1 in Canada When servicing or replacing parts within the water heater label all wires prior to disconnection to facilitate an easy and error free reconnection Wiring errors can cause improper and dangerous operation Verify proper CAUTION operation after servicing The indoor model comes with a power plug instead of a junction box The following procedure is for outdoor models only 1 2 gt The water heater must be electrically grounded Do not attach the ground wire to either the gas or the water piping The water heater requires 120 VAC 60 Hz electrical power supply that is properly grounded e A proper disconnect i e on off sw
51. using an oversized vent pipe or using extremely long runs of the pipe For rooftop venting a rain cap or other form of termination that prevents rain water from entering into the water heater must be installed Do not common vent or connect any vent from other appliances to the water heater vent General rules for vent terminations Avoid locating the water heater vent terminator near any air intake devices These fans can pick up the exhaust flue products from the water heater and return them to the building This can create a health hazard Locate the vent terminator so that it cannot be blocked by any debris at any time Most codes require that the terminator be at least 12 inches above grade but the installer may determine if it should be higher depending on the job site condition and applicable codes A proper sidewall terminator is recommended when the water heater is vented through a sidewall Regarding the clearances from the exhaust terminator to the air inlet or opening refer to the next few pages 12 Page Installation Exhaust venting This is a Category appliance and must be vented accordingly The vent system must be sealed air tight All seams and joints without gaskets must be sealed with high heat resistant silicone sealant or UL listed aluminum adhesive tape having a minimum temperature rating of 350 F For best results a vent system should be as short and straight as possible This water heater is a
52. w the diagram on p 20 when installing your water heater e Do not use this appliance if any part has been in contact with or been immersed in water Immediately call a licensed plumber a licensed gas fitter or a professional service technician to inspect and or service the unit if necessary e Do not disconnect the electrical supply if the ambient temperature will drop below freezing The Freeze Prevention System only works if the unit has electrical power The warranty will not be covered if the heat exchanger is damaged due to freezing Refer to the section on the Freeze Prevention System on p 30 for more information f e Water temperatures over 125 F 52 C can cause severe burns instantly or death 5 Page Installation INSTALLATION GENERAL 1 Follow all local codes or in the absence of local codes follow the most recent edition of the National Fuel Gas Code ANSI Z223 1 NFPA 54 in the USA or CAN CSA B149 1 Natural Gas Propane Installation Code in Canada 2 Allgas water heaters require careful and correct installation to ensure safe and efficient operation This manual must be followed exactly Read the Safety Guidelines section 3 The manifold gas pressure is preset at the factory It is computer controlled and should not need adjustment 4 Maintain proper space for servicing Install the unit so that it can be connected or removed easily Refer to the Clearances Section on p 8 for proper clearances 5 The water
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