Takagi 710 Installation Manual And Owner's Manual
  1. Manuals
  2. Brands
  3. Takagi Manuals
  4. Water Heater
  5. 710 ASME
  6. Installation manual and owner's manual
Takagi 710 Installation Manual And Owner's Manual

Takagi 710 Installation Manual And Owner's Manual

Gas tankless on-demand water heater
Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
710 / 710 ASME (T-M32/ T-M32 ASME)
On-Demand Water Heater
Installation Manual and Owner's Guide
Gas Tankless Water Heater
710 / 710 ASME
(T-M32 / T-M32 ASME )Models
Suitable for potable water heating and space‐heating * 
*Please refer to local codes for space‐heating compliance.
FEATURING
 ENDLESS HOT WATER
 ON-DEMAND USAGE
 COMPACT, SPACE SAVING
 ENERGY CONSERVATION
 COMPUTERIZED SAFETY
 NO PILOT LIGHT
 EASY-LINK SYSTEM
ANSI Z21.10.3 
and CSA 4.3 
 
 
 
 
WARNING
 
 
-Do not store or use gasoline or other
flammable 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 performed
by a qualified installer, service agency or
the gas supplier.
 
If you have any questions, please
call or write to:
500 Tennessee Waltz Parkway
Ashland City, TN 37015
Toll Free: 1-877-737-2840
For supplying potable
hot water
ASME model ONLY
HLW
If the information in these
instructions is not followed
exactly, a fire or explosion
 
may result causing property
damage, personal injury or
death.

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the 710 and is the answer not in the manual?

Questions and answers

Related Manuals for Takagi 710

Summary of Contents for Takagi 710

  • Page 1 710 / 710 ASME (T-M32/ T-M32 ASME) On-Demand Water Heater Installation Manual and Owner’s Guide For supplying potable ANSI Z21.10.3  hot water and CSA 4.3  ASME model ONLY If the information in these     instructions is not followed     exactly, a fire or explosion  ...

  • Page 2: Table Of Contents

    **The Manifold Pressure is the factory setting and generally should not need adjustment. OPERATING SAFETY……..…………….. APPLICATIONS………………………..NOTE Re-Circulation………………………….. *All references to the 710 (T-M32) also refer to the Dual-Purpose Heating……………..710 ASME (T-M32 ASME) model. ADDITIONAL CLEARANCES…………… *Check the rating plate to ensure this product OPTIONAL ITEMS………...……………..

  • Page 3: Introduction

    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 front cover of the water heater.  Please read all installation instructions completely before installing this product. ...

  • Page 4: Safety Guidelines

    SAFETY GUIDELINES  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, WARNING state/provincial, and local codes.

  • Page 5: Installation

    INSTALLATION All gas water heaters require careful and correct installation to ensure safe and efficient operation. This manual must be followed exactly. Read the “Safety Guidelines” section at the beginning of this manual.  The warranty will not cover damage caused by water quality. Water hardness that leads to scale formation and/or corrosion may affect/damage the water heater.

  • Page 6: General

    GENERAL 1. The manifold gas pressure is preset at the factory. It is computer controlled and should not need adjustment. 2. Maintain proper space for servicing. Install the unit so that it can be connected or removed easily. Refer to p. 8 and p. 9 for proper clearances. 3.

  • Page 7: Warning For Installations

    WARNING FOR INSTALLATIONS FOR YOUR SAFETY, READ BEFORE INSTALLATION: Do not install the heater where water, debris Do not have the vent terminal pointing toward or flammable vapors may get into the flue any opening into a building. Do not locate terminal.

  • Page 8: Outdoor Installation

    OUTDOOR INSTALLATION 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.

  • Page 9: Indoor Installation

    INDOOR INSTALLATION Top 12” 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.

  • Page 10: Direct Intake Vent System

    DIRECT INTAKE VENT SYSTEM This water heater may be converted to a direct-vent (sealed combustion) appliance by installing an adapter (Part No. 9007668005 (TM-DV32)) which will bring all required combustible air from outside the building. When installing the direct-vent conversion kit, please follow all instructions included with the kit.

  • Page 11: Venting Instructions

    VENTING INSTRUCTIONS WARNING: Improper venting of this appliance can result in excessive levels of carbon monoxide which can result in severe personal injury or death. This water heater must be vented in accordance with the section “Venting of Equipment" of the latest edition of the Natural Fuel Gas Code: ANSI Z223.1, all applicable local building codes, and Section 7 of CAN/CSA B149.1 Natural Gas in Canada, Propane Installation Code in Canada.

  • Page 12: Vent Termination

    VENT TERMINATION WARNING: Improper installation can cause nausea or asphyxiation, severe injury or death from carbon monoxide and flue gases poisoning. Improper installation will void product warranty.  The vent termination provides a means of installing vent pipe through the building wall and must be located in accordance with ANSI Z223.1/NFPA 54, or in Canada with CAN/CSA- B149.1 and local applicable codes.
  • Page 13 Horizontal Installation Diagram Wall Vertical condensation drain (Install according to local codes) Sidewall vent termination Backflow preventer (Recommended for freezing weather conditions: 36 °F and below) Rain cap Vertical Installation Diagram Roof Roof flashing Vertical condensation drain (Install according to local codes) Backflow preventer (Recommended for freezing weather conditions: 36 °F and...

  • Page 14: Vent Clearances

    VENT CLEARANCES Canada U.S.A Direct vent and other than Direct Direct vent Other than Direct Vent Vent Clearance above grade, veranda, porch, 1 foot 1 foot 1 foot deck, or balcony. 4 feet from below or Clearance to window or door that may be 3 feet 1 foot side opening.

  • Page 15: Gas Supply And Gas Pipe Sizing

    GAS SUPPLY AND GAS PIPE SIZING TO TURN OFF GAS TO APPLIANCE 1. Turn off all electric power to the water heater if service is to be performed. 2. Turn the manual gas valve located on the outside of the unit clockwise  to the off position. WARNING: Conversion of this unit from natural gas to propane or vice versa will void all warranty.
  • Page 16 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.: 710 (T-M32) requires 240 Cubic Ft./hr. Unit: Cubic Feet per Hour...
  • Page 17 -Measuring inlet gas pressure- 1. Turn off all electric power to the water heater if service is to be performed. 2. Turn the manual gas valve located on the outside of the unit clockwise  to the off position. The water heater cannot perform properly without sufficient inlet gas pressure. Below are instructions on how to check the inlet gas pressure.

  • Page 18: Water Connections

    WATER CONNECTIONS FOR YOUR SAFETY, READ BEFORE OPERATING: ・ Do not use this water heater if any part has been submersed under water. Immediately call a licensed professional to inspect the water heater and to replace any damaged parts. ・Do not reverse the hot outlet and cold inlet connections to the water heater. This will not activate the water heater.

  • Page 19: Electrical Connections

    ELECTRICAL CONNECTIONS WARNING: 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 CSA C22.1 Canadian Electrical Code, Part 1, in Canada.

  • Page 20: Remote Controller Connections

    REMOTE CONTROLLER CONNECTIONS 1) Disconnect power supply from the water heater. 2) Take off the water heater’s front cover. 3) Please find the remote controller terminals using the diagram below (located around the lower right-hand side of the water heater). 4) Open the plastic cover of the remote controller, and then attach the two fork terminals to connector base of the backside of the remote controller with two screws.

  • Page 21: Pump Control Connections

    PUMP CONTROL CONNECTIONS The water heater can be used to control a recirculation pump. Proper pump control helps to preserve the life of the system and saves energy as well. The water heater pump control port is a “normally-open dry contact”, and therefore needs additional components to properly control a recirculation pump.

  • Page 22: Pump Control Mode

    PUMP CONTROL MODE The water heater provides the four types of the pump control modes. The pump control modes are selected by changing dipswitch settings. The dipswitches are located in the right bank of dipswitches in the upper-left quadrant of the computer board in the water heater. (See the next page) A) Recirculation Control: No.
  • Page 23 D) Normal Control (Default setting): No.6 and No.7 OFF: Feature: This mode provides no special pump control. The pump operation can only be turned ON and OFF by the remote controller. Function: If a pump is connected to the pump control terminal and both No.6 and No.7 are OFF, the pump will be made to run all the time as long as there is a power supply to the water heater.

  • Page 24: Easy-Link System

    EASY-LINK SYSTEM The water heater can be connected with other heaters of the same model with communication cables to work as a multiple manifold system.  The Easy-Link system can connect up to 4 units.  A communication cable (gray color) comes with each unit. The cables use 18 gage wire and can be up to 250ft.
  • Page 25 Easy-Link Connection Procedures 1. Choose one of your units as the “PARENT” unit. 2. “The PARENT” Locate the left bank of dipswitches to the lower of the 7-seg. LED on the computer board of the unit that you select to be the “PARENT” unit. Change dipswitch No. 8 to “ON”. Do not change any of the dipswitches on the “CHILD”...
  • Page 26 CAUTION PARENT unit CHILD-1 unit  If you connect the “ ” [1] (or [2]) C o n n e c t o r s C o n n e c t o r s connector of the “PARENT” unit “...
  • Page 27 CHILD-1 unit CAUTION PARENT unit C o n n e c t o r s C o n n e c t o r s  If you connect the “PARENT” connector of the “PARENT” unit to the “[3]” connector of the “CHILD-1” unit, the “PARENT”...

  • Page 28: Multi-Unit System

    MULTI-UNIT SYSTEM FOR LARGE VOLUMES Multiple 710 (T-M32) models can be combined for a Multi-Unit system, along with the Multiple Unit Controller and Remote Controller (Parts 9007675005 (TM-MC01) and 9007603005 (TM- RE30)). Each set of controllers (one 9007675005 (TM-MC01) and one 9007603005 (TM- RE30)) can control from 2 units to 20 units for commercial or residential applications.
  • Page 29 The Comunication Cables are included Wire (Male Adapter) and with the 710 (T-M32). The Cables use 18 (Female Adapter) gage wire and can be up to 250 ft. long. Please refer to the Multi-unit Controller manual for further instructions of the Multi-Unit system.

  • Page 30: Initial Operation

    INITIAL OPERATION FOR YOUR SAFETY, READ BEFORE OPERATING:  Check the GAS and WATER CONNECTIONS for leaks before firing it for the first time.  Open the main gas supply valve to the unit using only your hand to avoid any spark. Never use tools.

  • Page 31: Normal Operation

    NORMAL OPERATION  Flow rate to activate the 710 (T-M32) : 0.5 gallon per minute  Flow rate to keep the 710 (T-M32) running : 0.4 gallon per minute 1. NORMAL OPERATION WITHOUT REMOTE CONTROLLER 1. Open a hot water tap.* 2.
  • Page 32 *To change the remote controller’s mode from Default Mode to High Temperature Mode, please follow the procedures below (the remote controller must be installed prior to operating these procedures): DO NOT set to 185ºF if you use your water heater in a recirculation system. This will cause damage to the heater and void the warranty.

  • Page 33: Flow

    FLOW  The flow rate through the water heater is limited to a maximum of 9.0 GPM.  The temperature setting, along with the supply temperature of the water will determine the flow rate output of the unit.  Please refer to the temperature vs. gallons per minute chart on p. 50 to determine the likely flow rates based on your local ground water temperature and your desired outlet water temperature combination.

  • Page 34: Temperature Settings

    TEMPERATURE SETTINGS  There are 8 preset temperatures that you can select from by changing the dipswitch settings on the computer board.  The temperature has been preset at the factory to 120ºF (49ºC).  If you desire to change the set temperature with dipswitches, please refer to the diagram on below.

  • Page 35: Maintenance And Service

    MAINTENANCE AND SERVICE WARNING: Turn off the electrical power supply and close the manual gas control valve and the manual water control valve before servicing.  Clean the cold-water inlet filter. (Refer to diagram below)  Be sure that all openings for combustion and ventilation air are not blocked. ...

  • Page 36: General Troubleshooting

    GENERAL TROUBLESHOOTING ~ TEMPERATURE and AMOUNT OF HOT WATER ~ PROBLEM POSSIBLE SOLUTIONS  The time it takes to deliver hot water from the water It takes long time to get hot water at the fixtures. heater to your fixtures depends on the length of piping between the two.
  • Page 37 ~ WATER HEATER ~ PROBLEM POSSIBLE SOLUTIONS  Is the flow rate over 0.5 GPM? (p. 31) Unit does not ignite when water goes through the unit.  Check for the filter on cold water inlet. (p. 35)  Check for reverse connection and cross connection. ...
  • Page 38 TROUBLESHOOTING – ERROR CODES  The units are self diagnostic for safety and convenience when trouble shooting.  If there is a problem with the installation or the unit, it will display a numerical error code on the remote controller (if installed) or on the 7-Seg LED of the central computer board and section computer board to communicate the source of the problem.

  • Page 39: Operating Safety

    OPERATING SAFETY 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.
  • Page 40 DANGER 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.

  • Page 41: Applications

    APPLICATIONS Space Heating Applications WARNING  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 requirements must be followed.
  • Page 42 Valve, Tie to Location approved By Cold Inlet approved by Local Codes and Local Codes and Must Meet BTU Must Meet BTU Rating of Takagi Rating of water heater Model Used Check Valve Will Model Used Have 1/8" Hole in Apply Correct 4"...

  • Page 43: Additional Clearances

    ADDITIONAL CLEARANCES 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 codes supersede these guidelines. For sidewall terminations 2ft. 1ft. 3ft. 2ft.

  • Page 44: Optional Items

    6. Pipe cover: 9007672005 (TM-PC32) (TM-DV32) The pipe cover protects the plumbing This kit can be used to convert the pipes to the 710 (T-M32) from 710 (T-M32) from a conventional unexpected adjustments. This pipe vent system to a direct-vent (or cover is fixed to the bottom of the sealed combustion) system.

  • Page 45: Components Diagram

    0 0 2 7 0 3 0 5 2 0 5 2 Computer board assembly Other than Part# 706, the 710 (T-M32) and the 710 ASME (T-M32 ASME) 0 5 2 7 1 6 models share the same components. 0 5 2...

  • Page 46: Burner Assembly

    Burner assembly The 710 (T-M32) and the 710 ASME (T-M32 ASME) models share the same components. 1 0 3 1 0 2 1 0 1 4 0 1 1 1 3 1 5 2 1 5 3 7 0 7...

  • Page 47: Water Way Assembly

    Other than Part# 211, Part# 439, Part# 440 and Part# 441, the Water way assembly 710 (T-M32) and the 710 ASME (T-M32 ASME) models share the same components. 710 (T-M32) 4 0 1 4 1 4 4 2 0 4 2 3...

  • Page 48: Parts List

    PARTS LIST Part# Item# Description 710 models T-M32 models Case assembly 319143-287 EM389 Front cover 319143-303 EM431 Air blockage plate 319143-285 EM386 Bracket 319143-225 EM104 Back guard panel 319143-283 EM384 Junction box 319143-014 EKJ64 Fixing plate 319143-335 EX00E Rubber bush...
  • Page 49 Part# Item# Description 710 models T-M32 models Heat exchanger assembly for 710 (T-M32) 319143-302 EM415 Heat exchanger assembly for 710 ASME (T-M32 ASME) 319143-314 EM45C Silicon ring 319143-065 EKN50 Fuse fixing plate 18 319143-066 EKK26 Overheat-cut-off-fuse 319143-286 EM387 Pipe heater 122...

  • Page 50: Output Temperature Chart

    Part# Item# Description 710 models T-M32 models Flame rod wire 319143-292 EM395 Nylon clamp 319143-143 EC00X Igniter & Freeze protection wire 319143-320 EM45T AC100V wire 319143-291 EM393 AC100V Transformer connecting wire 319143-297 EM403 Ground fault circuit interrupter 319143-227 EM207 Power supply code assembly...

  • Page 51: Limited Warranty

    - Lack of a proper pump control will reduce the heat exchanger and parts warranty to 3 years (3) In all applications, the total of length of operation time must be less than 9,000 hours for the 710 (T-M32) and 710 (T-M32) ASME models.
  • Page 52  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.) ...

This manual is also suitable for:

T-m32 asme

Table of Contents