Table of Contents
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Flash Water Heater
Model T-K2
Suitable for potable water heating and space heating
FEATURING
•
ENDLESS HOT WATER
•
ON DEMAND
•
COMPACT, SPACE SAVING
•
ENERGY CONSERVING
•
COMPUTER CONTROLS
•
COMPUTERIZED SAFETY
•
NO PILOT LIGHT
T-K2
Instantaneous Water Heater
Installation Manual and Owner's Guide
WARNING
This product must be installed and
serviced
by
a
licensed gas fitter, or a professional
service technician and/or in accordance
with all local code. Improper installation
and/or operation, or installation by an
unqualified person, will void the warranty.
WARNING
Operation of this unit creates carbon
monoxide gas and flue gases which can
cause serious injury or death. In addition,
if the information in this manual is not
followed exactly, a fire or explosion may
result causing property damage, personal
injury or death.
Takagi Industrial Co. USA Inc.
3-B Goodyear
Irvine, CA 92618
Toll Free (888) 882-5244 USA
Toll Free (877) 877-4935 CANADA
www.Takagi.com
licensed
plumber,
a
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Related Manuals for Takagi T-K2
Summary of Contents for Takagi T-K2
- Page 1 Flash Water Heater Model T-K2 Suitable for potable water heating and space heating FEATURING Takagi Industrial Co. USA Inc. • ENDLESS HOT WATER 3-B Goodyear • ON DEMAND Irvine, CA 92618 •...
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Page 2: Table Of Contents
• Before installing in areas over 4,500 feet • Re-Circulation …………..22 above sea level, contact Takagi; • Takagi is constantly improving its products Optional Items …………..23 therefore specifications are subject to change without prior notice. Component Diagram …………24-26 Component Diagram …………..27... -
Page 3: Introduction
Flash T-K2 Water for the installation, operation, and maintenance Heater. Installation and service must be of the Model T-K2 water heater. This unit performed by a qualified installer (for includes a fan enabling sidewall (power) example, a licensed plumber or gas fitter) venting and an advanced electronic ignition system. - Page 4 5. If any problem should occur, turn off all hot GENERAL water taps and turn off the gas. Then call a trained technician or the Gas Company or The T-K2. Water Heater is an instantaneous, the manufacturer. tankless water heater designed to supply 6. WARNING:...
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Page 5: Installation
Water heater in an open, heater may not work properly. Please unroofed area consult with Takagi, when the water maintain the following heater is installed in a beauty salon. minimum clearances: 8. Water hardness may affect the water heater. -
Page 6: Indoor Installation
Wall Hanging Installation For a wall mount installation, use TK-BK01 brackets to securely attach the T-K2 to the wall. Locate the heater as desired, but follow all applicable local codes, as well as the indoor or... -
Page 7: Venting Instructions
35 ft. deducting 5 ft. for each Mechanical fan or Make up air device. elbow used in the venting system. Do not use more than 3 elbows. The T-K2 water heater is equipped with a Diam Max. Max. Vertical or... - Page 8 When installing the vent system, all applicable General rules for venting the T-K2 water heater national and local codes must be followed. If are: you install thimbles, fire stops or other protective devices and they penetrate any 1. Place the water heater as close as possible combustible or noncombustible construction, to the vent terminator;...
- Page 9 Canada U.S.A Direct vent and Direct vent Other than Direct Vent other than Direct 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.
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Page 10: Gas Supply/Gas Pipe Sizing
Until FOR YOUR SAFETY, READ testing of the main gas line supply pressure is completed, ensure the gas line to the T-K2 is BEFORE OPERATING: disconnected to avoid any damage to the water A. -
Page 11: Water Connection
Immediately call qualified service 1. Turn off the power supply to the T-K2 technician to inspect the water heater and Water Heater. to replace any damaged parts. 2. Close the manual gas shut off valve located on the gas supply line. -
Page 12: Electrical Connection
Then close the hot water taps. 5. Open the manual gas shut-off valve located on the gas supply line. 6. Turn on the power supply to the T-K2 Water Heater. ELECTRICAL CONNECTIONS Note: Do not reverse the hot outlet and cold... - Page 13 Wiring diagrams are also located on the inside panel of the appliance. - 13 -...
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Page 14: Initial Operation
3. Open a hot water tap to verify that water is Energy method of testing water heater output, flowing to that tap. Then close the hot the T-K2 is rated for 228 gallons per hour water tap. (GPH), or 3.8 gallons per minute (GPM), when 4. -
Page 15: Temperature Setting
(GPM) Lavatory Faucet Hot Water Output Temperature Setting: Bath Tub With the FLASH T-K2 Water Heater, the output Shower hot water temperature can be adjusted either Kitchen Sink manually from the main computer board’s... -
Page 16: Maintenance And Service
Remove any combustible materials, servicing. gasoline or any flammable vapors and The FLASH T-K2 water heater requires an liquids. electrical power supply from 120 VAC 60 Hz circuit and be properly grounded. The unit should be checked once a year or as •... -
Page 17: Error Codes
The the source of the problem. Consult the time it takes to deliver hot water from the T-K2 following chart for the cause of an error code: to your fixtures depends on the length of piping between the two. -
Page 18: Wiring Diagram
Electrical Rating: 120 VAC, 60 Hz, 0.8 A. Note: If any of the original wiring supplied with this appliance must be replaced, it must be replaced with appliance wiring material (180c) or its equivalent. Replacement wires are available through Takagi. -
Page 19: For Your 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 20: Danger
W A RN IN G The outlet hot water temperature of the T-K2 water heater is factory set at 122 °F. WARNING: Use this heater at your own risk. The set outlet water temperature can cause severe burns instantly or death from scalds. -
Page 21: Application
Applications Space Heating Applications The T-K2 can be used for potable hot water heating applications as well as space heating applications. WARNING • Toxic chemicals used in boiler treatments such as alcohol, glycerol and glycol group must not be introduced into the system when used for open loop potable water and space heating. - Page 22 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 Takagi Technical Department at (888) 882-5244...
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Page 23: Storage Tank
T-K2 with Storage Tank The maximum flow rate through the T-K2 is 6.9 GPM. If This illustration is a concept design only. it is necessary to achieve higher flow rates with full pressure for longer periods of time, then it can be installed in conjunction with a storage tank. -
Page 24: Optional Items
2. TK-TV01 Vent Terminator TK-RE02 Temperature This terminator can be used Remote Controller where a T-K2 is going to be functions. It allows the output vented out through a wall. This temperature from the T-K2 to be tested Takagi adjusted within the range of 99 component. -
Page 25: Component Diagram
Component Diagram Case Computer board... -
Page 26: Burner Overview
Burner Computer Manifold... - Page 27 Heat Exchanger Water Way...
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Page 28: Parts List
T - K2 PARTS LIST 1 CASE ASSEMBLY 46 SCREW 2 BACK GUARD PANEL ASSEMBLY 47 SPARK ELECTRODE HOLDER 3 FRONT COVER 48 SPARK ELECTRODE 4 FIXING PLATE 49 FLAME SENSOR 5 TRANSFORMER 50 SCREW 6 JUNCTION BOX 51 DAMPER 7 JUNCTION BOX COVER 52 WIRE HOLDER 8 SCREW... -
Page 29: Out Put Temperature Vs. Gpm
Out Put Temperature vs. GPM (Max.6.9 GPM) with Various Ground Water Temperature Correct Gas pipe size can be expect this chart 40 F 50 F 60 F 70 F Out put Hot Water Temperature 40 F 50 F 60 F 70 F...