Takagi 110 Indoor Installation Manual And Owner'S Manual Download Page 52

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Components Diagram

Owner's Guide

Water Way assembly

Bypass

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Computer board assembly

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110 and 310 models

510 model

Water outlet section

Water inlet section

Exhaust section (Outdoor model)

110 model

310 model

510 model

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Summary of Contents for 110 Indoor

Page 1: ...mable vapors and liquids in the vicinity of this or any other appliance WHAT TO DO IF YOU SMELL GAS Do not try to light any appliance Do not touch any electric switch do not use any phone in your building Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions If you cannot reach your gas supplier call the fire department Installation and service must be p...

Page 2: ...ure relief valve 26 ELECTRICAL CONNECTIONS 27 TEMPERATURE REMOTE CONTROLLER 27 Installation 27 PUMP CONTROL CONNECTIONS 28 EASY LINK SYSTEM 29 General 29 Easy link connection procedures 29 APPLICATIONS 31 SPACE HEATING APPLICATIONS 31 RECIRCULATION 31 DUAL PURPOSE HOT WATER HEATING 32 INITIAL OPERATION 33 Owner s Guide OPERATING SAFETY 35 NORMAL OPERATION 37 GENERAL 37 TEMPERATURE SETTINGS 37 OTHE...

Page 3: ... Before use we recommend that you read through this installation manual carefully Keep this manual for future reference If you need an additional manual contact the manufacturer or your local distributor When you call please tell us the product name and the serial number of your unit written on the rating plate of the water heater ...

Page 4: ... Installation Manual 40 psi or above is recommended for maximum flow Water heater Category water heaters of other than direct vent type for outdoor installation are divided into four categories based on static pressure produced in the vent and flue loss Category I a water heater that operates with a non positive vent static pressure and with a vent gas temperature that avoids excessive condensate ...

Page 5: ...er fixture Exhaust vent Heat exchanger Gas valves Fan motor Flow adjustment valve Computer board Thermistor Cold water inlet Hot water outlet Gas inlet Thermistor Burners Flow sensor Igniter 1 2 3 4 5 4 6 7 7 7 8 Intake vent This diagram illustrates tankless water heater design concepts only and does not accurately represent the water heater s physical description 1 A hot water fixture is turned o...

Page 6: ...minimize any scalding risk Before bathing or showering always check the water temperature Do not store or use gasoline or other flammables vapors or liquids in the vicinity of this appliance Do not reverse the water and or gas connections as this will damage the gas valves and can cause severe injury or death Follow the diagram on p 25 when installing your water heater Do not use this appliance if...

Page 7: ...und the water heater vent termination and air intake is free of dust debris and other contaminants In environments with a high level of contaminants laundry facilities hair salons pet salons chemical plants commercial kitchens etc direct venting is required 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 chemic...

Page 8: ...trict the combustion air flow NOTICE Installation and service must be performed by a qualified installer for example a licensed plumber or gas fitter Otherwise the warranty will be void 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 The manufacturer does not recommend installi...

Page 9: ...ess box 5 100112424 100112425 Termination Wall thimble kit 6 100112550 100112551 Direct vent concentric Termination Installation Installation Manual Model 110 Indoor 110 Outdoor 310 Indoor 310 Outdoor 510 Indoor 510 Outdoor 100112183 TK RE02 100112155 TM RE30 24 inches 610 mm recommended for maintenance Maintain all clearances around the water heater Failure to do so could create a fire hazard pot...

Page 10: ...100112733 Termination Thimble 4 7 in 100112424 Termination Thimble 5 10 in 100112425 3 Pipe cover 100112187 TK PC01 100112188 TK PCJr2 They are used when venting out through the wall These terminations are special stainless steel vents for gas appliances and are UL listed as Category II III and IV For different wall thicknesses there are two ranges of lengths available Refer to the NovaVent brochu...

Page 11: ... system is direct vented Prohibited Do not install the heater where water debris or flammable vapors may get into the flue terminal This may cause damage to the heater and void the warranty Prohibited 3 ft 915 mm Installation Installation Manual Water heater vent terminator must be at least 2 ft 610 mm away from an inside corner for both outdoor installation and direct vent installation Inside Cor...

Page 12: ...6 5 4 3 2 1 ON 6 5 4 3 2 1 ON 6 5 4 3 2 1 Installation altitude The maximum certified or allowable installed altitude is 6 000 ft 1 829 m for indoor and out door models HIGH ALTITUDE INSTALLATIONS Check the altitude where your water heater is installed Set DIP switches shown in the table below The DIP switch settings depend on the altitude WARNING Adjust the appropriate DIP switches according to m...

Page 13: ...on Air Supply section below Direct venting installation The air intake can use 3 PVC solid core CPVC solid core ABS or category III vent Use of cellular core PVC ASTM F891 cellular core CPVC or Radel polyphenylsulfone in non metallic venting systems is prohibited Covering non metallic vent pipe and fittings with thermal insulation is prohibited The maximum length of intake air piping must not exce...

Page 14: ...s Z FLEX NovaVENT Z VENT 4 Straight pipe 6 length 100112407 2NVP4 5 2SVEPWCF0406 4 Straight pipe 12 length 100112406 2NVP41 2SVEPWCF0401 4 Straight pipe 24 length 100112404 2NVP42 2SVEPWCF0402 4 Straight pipe 36 length 100112403 2NVP43 2SVEPWCF0403 4 Straight pipe 48 length 100112402 2NVP44 2SVEPWCF0404 4 Adjustable straight pipe 10 18 adjustability 100112405 2NVAL4 2SVSPA04 4 45 degree elbow 1001...

Page 15: ...rosive chemicals are not present at the air intake Presence of such chemicals at the air intake could result in death personal injury or property damage Examples of locations that require outside air due to chemicals include Beauty salons Photo processing labs Indoor pools Laundry hobby or craft rooms Chemical storage areas Products such as aerosol sprays detergents bleaches cleaning solvents gaso...

Page 16: ...outside ventila tion if you want to provide combustion air with outside ventilation If the air volume of the room is greater than the required air volume it may be possible to install the water heater without outside ventilation However be sure to consider the effects of exhaust fans Exhaust fans can affect the amount of combustion air that is available in your home Appliances such as furnaces who...

Page 17: ...hese rules to ensure that vents and ducts provide adequate air flow Each vent opening must be no smaller than 100 in2 645 cm2 Ducts must have the same cross sectional area as free area of the opening Rectangular ducts must have a minimum dimension of no less than 3 in 76 mm All screens must have mesh or larger Moveable louvers must be locked open or interconnected with the equipment so that they o...

Page 18: ...Space 12 305mm maximum Gable vent to outdoors Install above insulation Figure 5 SIngle opening Conﬁned Space 1 in2 6 5 cm2 per 3 000 btu h Alternative Opening Location Figure 6 Two permanent openings Two permanent Openings 1 in2 per 1 000 btu h 12 305mm maximum 12 305mm maximum Conﬁned Space Figure 4 Horizontal duct openings 1 in2 6 5 cm2 per 2 000 btu h Conﬁned Space Outlet Inlet Outdoor Air Duct...

Page 19: ...e vent must run all the way through the chimney with Category III approved or Special BH vent pipe When the horizontal vent run exceeds 5 ft 1 5 m support the vent run at 3 ft 0 9 m intervals with overhead hangers When the vent run exceeds 5 ft 1 5 m a condensate drain is recommended It should be installed as close to the heater as possible The maximum length of exhaust vent piping must not exceed...

Page 20: ...uctions to Direct vent conversion kit Vertical Installation With direct venting Roof Vertical condensation drain Backflow preventer Fire stop Roof flashing Rain cap Horizontal Installation With direct venting Sidewall vent termination Backflow preventer Vertical condensation drain Wall Hanger Hanger Horizontal Installation Hanger Wall Sidewall vent termination Vertical condensation drain Backflow ...

Page 21: ...of center line extended above meter regulator assembly 3 ft 91 cm I Clearance to service regulator vent outlet Above a regulator within 3 ft 91 cm horizontally of the vertical center line of the regulator vent outlet to a maximum vertical distance of 15 ft 4 5 m J Clearance to non mechanical air supply inlet to build ing or the combustion air inlet to any other appliance 3 ft 91 cm 1 ft 30 cm 4 ft...

Page 22: ...f the adjacent wall is less than 2 ft 610 mm of length the minimum required distance away from the inside corner will be equal to the length of that adjacent wall Multiple DV Sidewall Terminations A direct vent DV termination must be at least 1 ft 305 mm away from other direct vent terminations A direct vent termination must also be at least 2 ft 610 mm away from an inside corner If the adjacent w...

Page 23: ... mm min 1ft 305mm min 1 ft 305 mm min 1 ft 305 mm min Anticipated snow level 1 ft 305mm min 2 ft 610 mm min Multiple angled roof terminations In lieu of using roof caps a 90 degree elbow and 45 degree elbow can be used for the exhaust and two 90 degree elbows can be used for the air intake 3 ft 914 mm min 1 ft 305 mm min 1 ft 305 mm min Intake air Exhaust gas Anticipated snow level 2 ft 610 mm min...

Page 24: ...as supply pressure to the heater is greater than the specified maximum a field supplied regulator is required The regulator must lower the gas pressure within the approved range Install the gas regulator according to the manufacturer s instructions The regulator must be sized for the water heater input and provide the specified pressures that are listed on the rating plate In the absence of minimu...

Page 25: ... Length ft m Diameter in 10 3 0 20 6 1 30 9 1 40 12 2 50 15 2 60 18 3 70 21 3 80 24 4 90 27 4 100 30 5 125 38 1 150 45 7 200 61 0 1 2 172 118 95 81 72 65 60 56 52 50 44 40 34 3 4 360 247 199 170 151 137 126 117 110 104 92 83 71 1 678 466 374 320 284 257 237 220 207 195 173 157 134 1 1 4 1 309 957 768 657 583 528 486 452 424 400 355 322 275 1 1 2 2 090 1 430 1 150 985 873 791 728 677 635 600 532 48...

Page 26: ...itch 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 the current edition of ANSI Z21 22 or CAN 1 4 4 and instal lation must follow local codes The discharge capacity must be at least 140 000 BTU h for the 110C model ...

Page 27: ...tc controlling the main power to the water heater must be provided for service reasons Must comply with local codes Connect the power supply to the water heater exactly as shown in the wiring diagram 2 A green screw is provided in the junction box to ground the connection 3 Can be hardwired or wired to a plug in 4 The use of a surge protector is recommended in order to protect the unit from power ...

Page 28: ... model only The 510 model water heater can be used to con trol a recirculation pump Proper pump control helps to preserve the life of the system and saves energy The water heater pump control port is a normally open dry contact and therefore needs additional components to properly control a recirculation pump such as a relay To control a recirculation pump connect the pump to a relay and connect t...

Page 29: ...cables to work as a multiple unit manifold system The built in Easy Link System allows up to 4 units to manifold together A communication cable gray color comes with each 510 model You can manifold from 2 to 4 units without the need for a multi unit controller A 4 unit system has full automatic modulation between 11 000 BTU h and 796 000 BTU h Gas In Hot Out Cold In If the 510U model or 510U 200 s...

Page 30: ... DO NOT adjust any other DIP switches Turn off the power supply to the water heater before changing the DIP switch settings Failure to observe this warning could result in carbon monoxide poison ing or death 7 Seg LED Right bank of DIP switches Left bank of DIP switches Easy Link System Online LED Easy Link connectors are next to the computer board B Basic diagram of connections between the Easy L...

Page 31: ...nd glycol groups must not be introduced into the system if the system incorporates an open loop potable water system 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 When the system requires water for space heati...

Page 32: ...local codes and must meet BTU rating of water heater model used Check valve will have 1 8 inch hole drilling in clapper optional Atmospheric vacuum breaker Shutoff valve Pressure gauge Apply correct thermal expansion tank size per application Shutoff valves Shutoff valves Check valves Cold water inlet Gas inlet Water filter Drain plug Thermostatic mixing valve Hot water supply and return to heatin...

Page 33: ...ore firing unit for the first time 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 heavie...

Page 34: ...efore use we recommend that you read through this owner s guide carefully Keep this manual for future reference If you need an additional manual contact the manufacturer or your local distributor When you call please tell us the product name and the serial number of your unit written on the rating plate of the water heater ...

Page 35: ...empted repair may result in a fire or explosion D Do not use this appliance if any part has been under water Immediately contact a qualified installer or service agency to replace a flooded water heater Do not attempt to repair the unit It must be replaced 1 STOP Read the safety information above on this label 2 Turn off all electric power to the appliance 3 Do not attempt to light the burner by h...

Page 36: ... In approved containers 3 Tightly closed and out of reach of children 4 Water heater has a main burner which may come on at any time and will ignite flammable vapors Vapors 1 Cannot be seen 2 Are heavier than air 3 Go a long way on the floor 4 Can be carried from other rooms to the main burner by air currents Do not install water heater where flammable products will be stored or used unless the ma...

Page 37: ...ton and the HOT button for at least 3 seconds The remote will emit a beep and change to 158 F 70 C Press the HOT button to set up to 167 F 75 C HOT Button COLD Button OPERATION Button INFORMATION Button 100112183 TK RE02 NORMAL OPERATION GENERAL 1 Open a cold water fixture 2 Mix hot water with the cold water to get the correct temperature water 3 When finished close the water fixtures Flow rate to...

Page 38: ...ve 140 F 60 C Press the HOT button to set 140 F 60 C Press and hold the INFO button and the HOT button for at least 3 seconds The remote will emit a beep and change to 158 F 70 C or 149 F 65 C NOTE The 149 F 65 C setting is available in high temperature mode See below Press the HOT button to set up to 167 F 75 C or 176 F 80 C NOTE The 176 F 80 C setting is available in high temperature mode See be...

Page 39: ...LOW L M G M 7 Press the ON OFF button to exit the edit mode 8 Turn on power to the remote controller by pressing the ON OFF button again Lamp is ON to indicate that power is on OTHER FEATURES OF THE REMOTE CONTROLLERS Features available on 100112183 TK RE02 and 100112155 TM RE30 Buzzer operation If there is a problem with the water heater the remote controller will sound a buzzer and display the e...

Page 40: ...essing the ON OFF button Lamp is OFF to indicate that power is off 2 Press and hold both the HOT and COLD buttons simultaneously for at least 5 seconds then make sure that 1 or 0 is displayed on remote controller I N OUT FLOW L M G M 1 is displayed for single unit I N OUT FLOW L M G M 0 is displayed for Easy Link System 3 Press the TIME button Make sure that OFF and F1 are displayed on remote cont...

Page 41: ...ing the DIP switch settings Failure to observe these warnings could result in carbon monoxide poisoning severe personal injury or death FLOW 110 310 Computer board DIP switches 510 Computer board DIP switches Right bank Appliance Use Flow rate GPM Lavatory Faucet 1 0 3 8 L Bath Tub 4 0 10 0 15 1 37 9 L Shower 2 0 7 6 L Kitchen Sink 1 5 5 7 L Dishwasher 1 5 5 7 L Washing machine 4 0 15 1 L Househol...

Page 42: ...f the unit Refer to p 43 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 protection system Any water pipes hot or cold located outside the unit will not be protected Properly protect and insulate these pipes from freezing NOTICE MAINTENANCE AND SERVICE Clean the cold water inlet filter Refer t...

Page 43: ...et of the water heater shown in the diagram on the right 3 Connect the manometer to the pressure port and zero the manometer 4 Re open the manual gas valve Verify that there are no gas leaks 5 With all gas burning equipment off take a reading of the static gas pressure and make a note of it 6 Measure gas supply pressure at maximum heater operation Open hot water faucets to create maximum flow Pres...

Page 44: ...not available when a fixture is opened Make sure the unit has 120 VAC 60 Hz power supply If you are using the remote controller is the power button turned on Is the gas supply valve open fully p 33 Is the water supply valve open fully p 33 Is the filter on the cold water inlet clean p 43 Is the hot water fixture sufficiently open to draw at least 0 5 GPM through the water heater p 37 Is the unit f...

Page 45: ...37 2840 Canada 1 888 479 8324 REMOTE CONTROLLER Remote controller does not display anything when the power button is turned on Make sure the unit is supplied with power Make sure the connection to the unit is correct p 27 100112115 TM RE30 only If the green LED lights up the remote controller has been turned ON When the unit has not operated for five minutes or more the display turns off to conser...

Page 46: ...mputer board will display 3 2 1 in that order one digit at a time and it will repeat continually If the remote controller 100112155 TM RE30 is installed It will display 321 on the screen Easy Link System for 510 model only Error codes will be displayed differently with each unit installed in an Easy Link System not only to show what the error code is but also to indicate which unit within the syst...

Page 47: ...led in a contaminated area Three Flashes 11 111 Ignition failure Check if the Hi limit switch Part 412 is functioning properly 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 a buzzing spark ignition sound coming from the burner Part 101 when water heater prepares for combustion Listen...

Page 48: ...Part 714 and or burn marks on the computer board Part 701 Check the power supply of the water heater Six Flashes 72 721 False flame detection 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 N A 74 741 Miscommuni cation between water heater and remote controller Check the model type of the remote ...

Page 49: ...ls 722 510 model 110 Indoor 110 Outdoor 052 004 001 720 704 721 052 702 003 052 052 007 002 051 050 052 004 001 704 006 053 005 066 056 052 053 702 052 007 002 050 052 004 001 704 006 053 005 066 056 052 053 702 052 007 002 050 052 004 001 720 704 721 052 702 052 052 003 007 002 051 050 310 and 510 Indoor 310 and 510 Outdoor ...

Page 50: ...107 106 109 105 104 059 052 053 706 121 703 053 704 705 053 053 059 103 112 113 114 708 150 102 119 151 118 052 062 055 714 053 711 712 053 120 053 067 053 701 713 058 115 061 055 401 101 709 111 Burner assembly Manifold Assembly 110 Indoor only 110 model Burner assembly ...

Page 51: ...53 121 706 703 053 704 705 053 701 053 053 067 120 053 712 711 053 062 714 066 062 055 052 118 151 119 102 061 708 114 113 150 103 117 053 060 059 116 401 713 058 057 115 101 709 111 053 112 055 Burner assembly Power control section 310 model 510 model Manifold Assembly Fan motor section for indoor models Fan motor section for outdoor models 310 Indoor 510 Indoor 310 Outdoor 510 Outdoor ...

Page 52: ...models 510 model Water outlet section Water inlet section Exhaustsection Outdoormodel 110 model 310 model 510 model B C B B C C C B 453 414 401 454 411 459 414 451 063 412 450 452 413 463 403 462 458 460 456 402 461 458 052 415 064 460 456 404 406 457 405 454 407 456 460 409 454 408 064 455 410 451 414 401 414 063 412 450 453 463 413 452 401 153 154 053 152 451 414 401 414 063 412 450 452 413 453 ...

Page 53: ... 060 061 062 063 064 065 066 067 Pan head screw M3x10 SUS Pan screw M4x12 W Washer Pan screw M4x10 FEZN Tap tight screw M4x12 FEZN Pan screw M4x10 Pan head screw M3x6 SUS3 Truss head screw M4x6 SUS3 Pan screw M4x8 MFZN Nylon clamp Wire clamp 60 100074511 100074246 100074516 100074385 100074247 100074272 100074512 100074244 100074328 100074233 EW008 EW00H EW024 EKK31 EW006 EW00A EW009 EW00D EC00X E...

Page 54: ...or 100074533 100074242 100074553 100074390 EZP18 EK042 EK442 EKK3G 153 Rain protection plate in Exhaust chamber for 110 Outdoor 310 Outdoor and 510 Outdoor 100074400 EKK53 154 Exhaust port 100074403 EKK56 401 Heat exchanger assembly for 110 Indoor for 110 Outdoor for 310 Indoor for 310 Outdoor for 510 Indoor for 510 Outdoor 100074346 100074350 100074337 100074341 100074552 100074361 EK418 EK426 EK...

Page 55: ... Switch wire for 110 model Switch wire for 310 and 510 models 100074326 100074338 100074365 EKK4V EK407 EK441 708 Gas valve wire for 110 and 310 models Gas valve wire for 510 model 100074391 100074372 EKK3K EKK10 709 Flame rod wire for 110 model for 310 model for 510 model 100074355 100074392 100074373 EK431 EKK3L EKK11 710 EH IG wire for 110 Indoor and 310 Indoor EH IG wire with freeze protection...

Page 56: ...21 C 70 21 C 8 0 8 0 7 9 7 0 6 3 5 7 5 3 4 9 4 5 3 9 3 5 3 3 F 7 9 7 0 5 7 5 3 4 9 4 5 4 2 3 9 3 5 3 2 6 3 3 0 6 3 5 7 5 3 4 9 4 5 4 2 3 9 3 7 3 5 3 2 2 9 2 7 4 9 4 5 3 7 3 5 3 3 3 2 2 9 19 9 23 9 29 8 30 3 18 4 21 7 26 5 30 3 17 1 19 9 23 9 29 8 15 9 18 4 21 7 26 5 14 9 17 1 19 9 23 9 14 0 15 9 18 4 21 7 13 3 14 9 17 1 19 9 12 6 14 0 15 9 18 4 11 9 13 3 14 9 17 1 10 9 11 9 13 3 14 9 9 9 10 9 11 9...

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