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  5. Installation Manual And Owner's Manual

Takagi 110c Installation Manual And Owner's Manual

Manual is about: On-Demand Water Heater

Summary of 110c

  • Page 1

    If you have any questions, please call or write to: in the united states 500 tennessee waltz parkway ashland city, tn 37015 toll free: 1-877-737-2840 in canada 599 hill street west fergus, on n1m 2x1 1-888-479-8324 on-demand water heater installation manual and owner’s guide - do not store or use ga...

  • Page 2: Contents

    2 page contents contents installation manual specifications .............................................4 introduction..............................................5 safety guidelines.....................................6 safety definition ....................................6 general ................

  • Page 3: Installation Manual

    3 page installation manual installation manual congratulations congratulations and thank you for choosing our tankless water heater. 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...

  • Page 4: Specifications

    4 page model 110c 310c 510c natural gas input (operating range) btu/h min.: 15,000 max.: 140,000 min.: 15,000 max.: 190,000 min.: 15,000 max.: 199,000 gas connection 3/4" npt water connections 3/4" npt water pressure* psi (mpa) 15 - 150 (0.1 - 1) natural gas inlet pressure " w.C. (kpa) min. 4.0 (1.0...

  • Page 5: Introduction

    5 page introduction • 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 side panel of the water heater. • please read all installation instructions completely...

  • Page 6: Safety Guidelines

    6 page safety guidelines safety definition general 1. Follow all local codes, or in the absence of local codes, follow the current edition of the national fuel gas code: ansi z223.1/nfpa 54 in the usa or b149.1, natural gas and propane installation code in canada. 2. Properly ground the unit in acco...

  • Page 7: Installation

    7 page installation general 1. Follow all local codes, or in the absence of local codes, follow the current edition of the national fuel gas code: ansi z223.1/nfpa 54 in the usa or b149.1, natural gas and propane installation code in canada. 2. All gas water heaters require careful and correct insta...

  • Page 8

    8 page installation installation manual • the warranty will not cover damage caused by water quality. • only potable water can be used with this water heater. Do not introduce pool or spa water, or any chemically treated water into the water heater. • water hardness levels must not exceed 7 grains p...

  • Page 9: ✓

    9 page clearances model top bottom front back sides 110c 310c 510c 12 in. (305 mm) 12 in. (305 mm) 4 in.* (102 mm) 1 in. (25 mm) 3 in. (76 mm) *24 inches (610 mm) recommended for maintenance. Optional items # model 110c 310c 510c 1. Condensate collector (100266140) and trap (100266139) ✓ ✓ ✓ 2. Conc...

  • Page 10

    10 page 1. Condensate collector and trap 3. Concentric roof termination installation installation manual 7. Pipe hanger (100266141) 4. Elbow 8. Remote controller 100209924 (tm-re42) this remote can be added to the heater, in addition to the built-in controller. Collector (100266140) trap (100266139)...

  • Page 11

    11 page for your safety, read before installation: do not install the water heater or vent termination next to a dryer or dryer vent. The water heater environment must be free from any source of airborne debris that can be trapped inside the water heater. Installation installation manual water heate...

  • Page 12

    12 page 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. The black squares indicate the correct dip switch positions for high altitude installation. The 110c and 310c : only...

  • Page 13: -General-

    13 page installation installation manual venting instructions -general- warning • improper venting of this appliance can result in excessive levels of carbon monoxide which can result in severe personal injury or death. • improper installation can cause nausea or asphyxiation, severe injury or death...

  • Page 14

    14 page -vent length and no. Of elbows- • for best results, a vent system should be as short and straight as possible. • this water heater must be vented with approved concentric venting as described on page 13. • follow the vent pipe manufacturer's instructions and the instructions in this manual w...

  • Page 15: -Venting Illustrations-

    15 page -venting illustrations- for the 110c, 310c and 510c models for details of the venting installation, refer to the centrotherm eco systems direct vent apnc35 concentric venting installation manuals. Installation installation manual horizontal installation vertical installation standard sidewal...

  • Page 16

    16 page installation installation manual -vent termination clearances- h d e l b v v v v b f c b b b v v v v v x x a j m operable fixed closed fixed closed operable b inside corner detail g a k v x = vent terminal = air supply inlet = area where the terminal is not permitted regulator/gas meter vent...

  • Page 17

    17 page -clearances for sidewall terminations- -clearances for rooftop terminations- multiple-unit, concentric wall terminals: space each concentric wall terminal at least 1 ft (30 cm) away from each other, no matter the orientation. A concentric wall terminal must also be at least 2 ft (61 cm) away...

  • Page 18: -General-

    18 page gas supply and gas pipe sizing -general- • do not use this water heater with any gas other than the one listed on the rating plate unless the water heater has been properly converted. • ensure that any and all gas regulators used are operating properly and providing gas pressures within the ...

  • Page 19: -Natural Gas Supply Piping-

    19 page based on energy content of 1,000 btu/cubic ft: divide each appliance's btu/h requirement by 1,000 btu/ft 3 to get the appliance's ft 3 /h requirement. Take into account the distance the appliance is from the gas meter, then look in the above gas chart to properly size the line. For sections ...

  • Page 20

    20 page -pressure relief valve- the water heater has a high-temperature shutoff 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 rel...

  • Page 21

    21 page electrical connections • follow the electrical code requirements of the local authority having jurisdiction. In the absence of such requirements, follow the current edition of the national electrical code ansi/nfpa 70 in the u.S. Or the current edition of csa c22.1 canadian electrical code p...

  • Page 22: -Optional Item-

    22 page temperature remote controller -optional item- • the remote control is an optional accessory that can be installed in a hall, closet, etc., to allow for temperature adjustment without having to go to the heater. • when installed, the remote will take priority over the built-in controller. Ver...

  • Page 23

    23 page 3. Crimp the fork terminals to the cable. (fig. C) 4. Tighten the two fork terminals beneath the two remote controller terminal screws on the back of the main body. (fig. D-1) 5. Cut out the inlet for the remote controller cable from the bottom of the main body. (fig. D-2) 6. Place the main ...

  • Page 24

    24 page easy-link system (available on the 510c model only) -general- the 510c model water heaters can be connected together to work as a multiple-unit manifold system. You can manifold from 2 to 4 units without the need for a multi-unit controller. A 4-unit system has full automatic modulation betw...

  • Page 25

    25 page when the built-in controller installed in the “child-2” unit displays a number, turn on “child-3”. Make sure the built-in controller installed in each child unit displays each unit #. (refer to p.40.) the numbering system automatically allocates the unit no. To each water heater in the easy-...

  • Page 26

    26 page • the parent/child dip switch, no.1 on the lower bank of dip switches, should be in the off position. • this is the connection diagram for a 510c model and a multi-unit controller for 2 to 20 water heaters. The example above shows seven water heaters. • the multi-unit controller automaticall...

  • Page 27: Applications

    27 page applications -space-heating applications- -recirculation- *the recirculation pump is to be controlled by: -dual-set aquastat (recommended w/timer) • the aquastat's differential should be a minimum of 10 °f (5 °c). *the recirculation pump is to provide no less than 2 gpm (7.5 l/min) and no mo...

  • Page 28

    28 page • 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. • follow all local codes, or in the absence of local codes, follow the current edition of the national standard code, ansi...

  • Page 29: Initial Operation

    29 page initial operation if you smell gas: • do not try to start the water heater. • do not touch any electric switches; 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 suppli...

  • Page 30: Owner'S Guide

    30 page owner's guide owner's guide congratulations congratulations and thank you for choosing our tankless water heater. Before 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 ...

  • Page 31: Operating Safety

    31 page operating safety owner's guide operating safety 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 appliance does not have a pilot. It is equipped with an ignition device which automatical...

  • Page 32

    32 page operating safety owner's guide 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. Read and follow water heater warnings and ins...

  • Page 33: Normal Operation

    33 page normal operation normal operation owner's guide built-in controller and remote controller the illustrations below show examples of the displays of the controller. The exact display may differ from examples. "cold" button "hot" button press the "hot" button or the "cold" button to set the hot...

  • Page 34

    34 page temperature settings -set temperature- temperature table of controller normal operation owner's guide °f 100 105 110 115 120* 125 130 135 140 °c 38 40 43 45 50* 52 55 57 60 a) for 110c and 310c models °f 100 105 110 115 120* 125 130 135 140 145 150 155 160 °c 38 40 43 45 50* 52 55 57 60 63 6...

  • Page 35

    35 page additional features -information mode- you can get some information about the water heater condition by pressing the "info" button. For more information, follow the procedures below: info button operation screen on the controller built-in controller remote controller 1st. Press inlet water t...

  • Page 36

    36 page temperature settings on the pcb (without controller) warning • do not adjust the upper bank of dip switches for the 510c model. • turn off the power supply to the water heater before changing the dip switch settings. • failure to observe these warnings could result in carbon monoxide poisoni...

  • Page 37

    37 page normal operation owner's guide • this unit comes equipped with heating blocks to protect it from damage associated with freezing. • for this 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 ...

  • Page 38

    38 page normal operation owner's guide unit draining and filter cleaning 1. Close the manual gas shutoff 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. 4. Close the inlet water valve. • if the heater is part ...

  • Page 39: Troubleshooting

    39 page troubleshooting general problem solutions tempera ture and amount of ho t w ater it takes a long time to get hot water at the fixtures. • the time it takes to deliver hot water from the water heater to your fixtures depends on the length of piping between the two. The longer the distance or ...

  • Page 40

    40 page problem solutions w ater he ater unit does not ignite when water goes through the unit. • is the flow rate over 0.5 gpm (1.9 l/min)? (p. 33) • check the filter on cold water inlet. (p. 38) • check for reverse connection and cross connection. • if you use the remote controller, is the power b...

  • Page 41

    41 page troubleshooting owner's guide unit # error code error code error codes -general- • the units have self-diagnostic functions for safety and convenience when troubleshooting. • if there is a problem with the installation or the unit, the error code will be displayed on the temperature controll...

  • Page 42

    42 page -fault analysis of error codes- if the error code is displayed on the computer board of the water heater or remote controller, please check the following. After checking, consult with the manufacturer. Troubleshooting owner's guide remote green led malfunction description diagnosis 031 one f...

  • Page 43

    43 page troubleshooting owner's guide remote green led malfunction description diagnosis 651 four flashes flow adjustment valve fault (only easy-link & multi-unit system) • inspect the flow adjustment valve (part #402), for connection/breakage of wires, locked motor drive due to scale buildup, and/o...

  • Page 44: Components Diagram

    44 page components diagram components diagram owner's guide case assembly 001 002 003 003 463 004 005 704 710 053 052 052 051 051 053 053 built-in temperature controller 722 721 056.

  • Page 45: Computer Board Assembly

    45 page 510c model 110c and 310c models 701 705 103 402 402 707 713 403 714 709 708 711 705 103 709 402 402 711 707 714 407 408 708 701 061 713 712 712 721 721 computer board assembly surge box assembly components diagram owner's guide 121 705 063 706 703 704 705.

  • Page 46: Burner Assembly

    46 page components diagram owner's guide burner assembly 510c model 101 119 120 106 107 109 108 709 111 711 112 110 053 711 113 114 102 118 117 708 151 052 714 057 707 702 055 150 401 004 105 104 103 115 116 053 122 054 063 065 065 062 063 064 lp conversion kit 130 131 gas conversion sticker.

  • Page 47: Water Way Assembly

    47 page components diagram owner's guide water way assembly bypasssection (510c model) 510c model water outlet section 408 410 409 415 059 454 455 052 c water inlet section 402 404 407 406 405 460 456 458 461 052 415 059 454 457 052 d to water inlet section d to water outlet section c a b 418 414 41...

  • Page 48: Parts List

    48 page parts list owner's guide parts list item # description part # 110c, 310c and 510c models at-kjr3u-cv, at-k5u-cv and at-d3u-cv models 001 case assembly n/a ek550 002 front cover n/a ek551 003 004 005 bracket duct unit duct unit cover n/a n/a n/a ek455 ek552 ek553 051 052 053 truss screw m4×12...

  • Page 49

    49 page item # description part # 110c, 310c and 510c models at-kjr3u-cv, at-k5u-cv and at-d3u-cv models 406 407 inlet water filter inlet thermistor for 110c and 310c models inlet thermistor for 510c model 100074382 100074398 100224109 ekk2c ekk4j ek573 408 outlet thermistor for 110c and 310c models...

  • Page 50: Output Temperature Chart

    50 page output temperature chart chart is based on properly sized gas line output temperature chart owner's guide output temperature vs. Gpm (max. 6.6 gpm) with various inlet water temperature 110c 310c 510c* *when the set temperature is 130 °f (55 °c) or higher, maximum flow rate is limited to 8.0 ...

  • Page 51

    51 page this page is intentionally left blank..

  • Page 52

    1w5101-4 dir 2000535218 (rev. B).