Controlled Energy Aquastar 240 FX Installation And Owner's Manual
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Controlled Energy Aquastar 240 FX Installation And Owner's Manual

Automatic instantaneous water heater
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Controlled Energy Corp.
340 Mad River Park
Waitsfield, VT 05673
Tel. (800) 642-3111
Tech support is available at
www.controlledenergy.com
MODEL AQUASTAR 240 FX
Suitable for water (potable) heating only
WATER HEATER
Manufactured by Takagi Industrial Co. USA Inc.
The Aquastar name is trademarked and licensed by Bosch.
•
ENDLESS HOT WATER
•
ON DEMAND, NO STAND-BY LOSS
•
COMPACT, SAVE SPACE
•
CONSERVES ENERGY
•
COMPUTER CONTROLS
•
COMPUTERIZED SAFETY
•
NO PILOT LIGHT
AVAILABLE ACCESSORIES (see p.16)
•
REMOTE THERMOSTAT –240TSTAT
•
WALL SUPPORT BRACKETS – 240BRACKET
•
HORIZONTAL VENT TERMINATOR WITH
DRAFT DAMPER - FXHOOD
FEATURES
AUTOMATIC
INSTANTANEOUS WATER HEATER
INSTALLATION AND OWNER'S
MANUAL
FOR YOUR SAFETY - This product
must be installed and serviced by a
professional
qualified in water heater installation.
Installation
and/or
create carbon monoxide gas and flue
gases, which could cause serious injury
or death. Improper installation and/or
operation will void the warranty.
In
the
Massachusetts this product must be
installed by a licensed plumber.
WARNING: If the information in this
manual is not followed exactly, a fire or
explosion 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 this or any other
appliance.
•
WHAT TO DO IF YOU SMELL GAS
•
Do not try to light any
appliances.
•
Do not touch any electrical
switch, also do not use any
phone in your building.
•
Immediately call your gas
supplier from a neighbor's
phone.
supplier's instructions.
•
If you cannot reach your gas
supplier,
department.
•
Installation and service must be
performed by a qualified installer,
service agency or the gas supplier.
1
service
technician,
operation
could
Commonwealth
of
Follow
the
gas
call
the
fire

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Summary of Contents for Controlled Energy Aquastar 240 FX

  • Page 1 • WHAT TO DO IF YOU SMELL GAS MODEL AQUASTAR 240 FX • Suitable for water (potable) heating only Do not try to light any appliances.

  • Page 2: Table Of Contents

    TABLE OF CONTENTS SPECIFICATIONS For Your Safety …………. 3 Natural Gas Input Min. 37,000 Btu Max. 165,000 Btu Operation …………. 4 LP Gas Input Min. 35,000 Btu • General Max. 165,000 Btu …………. 4 • Normal Operation …………. 4 Gas Connection ¾”...

  • Page 3: For Your Safety

    If any problem should occur, turn off all hot water taps and turn off the gas. Then call a trained technician, the Gas Company or Controlled Energy. WARNING : Do not disconnect the electrical supply if the temperatures will be near freezing.

  • Page 4: Operation

    OPERATION 2. “Fire On” lamp extinguished, the exhaust fan will continue to operate for 70 seconds. General The AQ240FX Water Heater is an instantaneous, tankless water heater designed supply household and commercial hot water with total efficiency. The principle behind the AQ240FX Water Heater is simple.

  • Page 5: Winterizing

    This will void your warranty Controlled Energy will not be responsible for any damage that occurs. Supplied by installer CAUTION : The pipe heaters are located on the AQ240FX Water Heater only. Any hot or cold water pipes located outside of the unit will not be protected.

  • Page 6: Outdoor Installation

    2. This unit is not capable of being used as a pool OUTDOOR INSTALLATION or spa heater, nor is it certified for space heating. Follow all local codes and in the absence of 3. The internal gas regulator is preset at the local codes, follow the National Fuel Gas Code factory.

  • Page 7: Indoor Installation

    WARNING: Improper installation can cause nausea or asphyxiation from carbon monoxide and flue gases which could result in severe injury or death. FOR HIGH ALTITUDE INSTALLATIONS ABOVE 5,000 FEET The btu output of the AQ240FX will be reduced 4% for each 1,000 feet over 5,000 feet. The computer operation of the heater properly monitors the btu WARNING : Do not have the flue terminal pointing output and combustion quality of the heater up to a...

  • Page 8: Combustion Air

    Combustion Air Supply INSIDE AIR SUPPLY; when combustion air is supplied from inside the building. Each opening of The water heater location must be provided with a the closet door should have a minimum free area of proper amount of combustion air. See the latest one square inch per 1000 BTUH input of the total edition of ANSI Standard Z223.1 and any local input rating of all appliances in the enclosed area.
  • Page 9 The entire vent system must not exceed the size specified in the following table. Max. Vertical or Max. No. of Diameter Horizontal Elbow run in Length 4” 3 Ea. 21 ft Subtract 5 feet for each elbow. Example: 11 ft. is the maximum total distance if two elbows are used.

  • Page 10: Manufactured Home (Mobile Home) And

    GAS SUPPLY AND PIPING If Vertically Venting: Follow the vent length specifications in table on This unit requires a gas control shut-off valve to be page 9 and use a listed vent cap. supplied by the installer. It must be placed on the unit before it is connected to the gas line.
  • Page 11 Check the rating plate to make sure that the unit is labeled for the type of gas available in the area. The gas supply piping should be sized according to the Applicable Plumbing Code for a maximum draw of 165,000 BTUH. First determine the effective length of the gas supply line by measuring the actual length of piping, and then adding 5 ft.

  • Page 12: Water Connections

    PRESSURE RELIEF VALVE Water Connections This unit is supplied with a listed pressure relief A listed manual water control valve must be placed valve. The pressure relief valve must be installed on on the cold water supply line. All soldering materials the hot water outlet.

  • Page 13: Electrical Connection

    Electrical Connections • A green screw is provided in the junction box for grounding connection. WARNING : The heater must be electrically grounded in accordance with the most recent edition of the National Electrical Code, ANSI/NFPA 70. Do not rely on the gas or water piping to ground the metal parts of the heater.

  • Page 14: Wiring Diagram

    Wiring Diagram: wiring diagram is also located on the inside panel of the appliance. 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. Wires are available through the manufacturer.

  • Page 15: Initiating The Heater

    Initiating the Heater Operating Instructions For your safety read before operating. 1. STOP! Read the safety information first! 2. Turn off electric power to the appliance. WARNING : If you do not follow these 3. Do not attempt to light the burner instructions exactly, a fire or explosion may manually.

  • Page 16: Accessories

    ACCESSORIES ACCESSORIES ORDERED THROUGH YOUR DEALER CONTROLLED ENERGY. • Two 18” wide wall support brackets used for installation of Aquastar 240FX water heater on 240BRACKET a wall surface. Part number: • Remote temperature controller for Aquastar • Back draft prevention vent terminator for 240FX.

  • Page 17: Maintenance And Service

    TROUBLE SHOOTING: Maintenance and Service COMMON QUESTIONS AND ANSWERS Reference diagrams on pages 13, 19 and 20 WARNING: Always turn off the electrical power supply, turn off the manual gas Q: No hot water valve and turn off the manual water Q: The “on”...

  • Page 18: Error Codes

    These 3 listed symptoms and solutions are to be followed when there is a problem but there is NO error code on the heater or 240TSTAT remote control. 1. Water Isn’t Hot Enough The 240FX can burn gas at a maximum input rate of 165,000 BTUH. This puts a limit on the possible output temperature and flow capabilities (See flow chart on the last page of this manual).
  • Page 19 Determine the error by observing the upper and lower lights of the 240FX. The (No) column in the chart below references the error code number on 240TSTAT remote controls. Upper ON lamp DO NOT TOUCH WARNING Lower stand-by lamp look into this opening at a 45 degree angle from the right to properly view this lamp FT5078...

  • Page 21: Part List

    PARTS LIST (the part number is EK followed by the ITEM number) ITEM DESCRIPTION ITEM DESCRIPTION CASE ASSEMBLY TOP ASSEMBLY OUT DOOR VENT CAP FRONT COVER COMBUSTION CHAMBER PACKING FAN MOTOR GAS VALVE UNIT VALVE FIXING PLATE GAS IN PIPE COMBUSTION CHAMBER FRONT BACK GUARD PANEL LEFT MANIFOLD...

  • Page 22: Temperature

    Flow Rate and Temperature Rise with varying inlet water temperatures The 240FX has been set at the factory to deliver 122º F (50º C) water. This is electronically controlled by the computer in the heater. The delivered hot water temperature will depend upon both the inlet water temperature and the hot water flow rate, refer to the chart below.
  • Page 23 Any claim for warranty service should be made to your local dealer or distributor, or to CEC. If CEC, please contact the Service Dept: Controlled Energy Corp. 340 Mad River Park, Waitsfield, VT 05673 Ph: 800-642-3111 In most cases, the dealer or distributor will be able to promptly honor your claim and subsequently notify CEC.

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