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Daikin KEH041A41 Installation Manual
Daikin KEH041A41 Installation Manual

Daikin KEH041A41 Installation Manual

Drain pan heater

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DRAIN PAN HEATER
MODELS: KEH041A41, KEH041A45, KEH041A46
Safety Considerations for Installation of Drain Pan Heater
Read these SAFETY CONSIDERATIONS carefully before installing the drain pan heater. After completing the installation, check if the unit operates
properly during the start-up operation.
Meaning of DANGER, WARNING and CAUTION symbols.
Indicates an imminently hazardous situation which, if not
DANGER
avoided, will result in death or serious injury.
Indicates a potentially hazardous situation which, if not
WARNING
avoided, could result in death or serious injury.
• Inform customers that they should store this Installation Manual for future reference.
• After completing the installation, make sure that the unit operates properly during the startup operation.
• All phases of the field-installation, including, but not limited to, electrical, piping, and safety, must be done in accordance with manufacturer's
instructions and must comply with national, state, provincial, and local codes.
• This product is a heater designed to melt snow that is blown into the product from the outside to prevent the drain pan of the outdoor unit from
freezing.
• Install the product with a snow-break hood on a high stand if this product is used in heavy snow areas.
DANGER
• Do not touch the heater unit without wearing gloves.
The temperature of the heater unit will become high when the heater is turned on.
Touching the heater unit with bare hands will result in burns or injury.
WARNING
• Request the dealer or an authorized technician to install the product.
Improper installation of the product could result in water leakage, an electrical shock, or fire.
• The product must be installed according to the instructions given in this manual.
The Incomplete installation of the product could result in water leakage, an electrical shock, or fire.
• Use the supplied or specified installation parts.
Use of other parts could result in the unit becoming loose and falling, water leakage, electrical shocks, or fire.
• Turn OFF the power supply at the time of installation.
Touching any electrical parts may with the power supply turned on could result in electrical shocks.
• Use specified wires. Connect and fix the wires so that the wires will not put improper force on the terminal junctions.
Wires connected or fixed improperly could result in terminal overheating, an electrical shock, or fire.
• When wiring and connecting the indoor and outdoor units, carefully arrange the wiring so that they will not put improper
force on the structures.
Install covers over the wires. Incomplete cover installation could result in terminal overheating, an electrical shock, or fire.
CAUTION
• Wear protective gloves at the time of installation.
Touching the suction mouth or aluminum fin of the outdoor unit may result in injury.
• Do not install the product in places where there is danger of exposure to inflammable gas leakage.
If the gas leaks and builds up around the unit, it may catch fire.
• Do not grab the top plate of the outdoor unit carelessly when removing the top plate.
The sharp edge of the top plate may cause injury.
• Do not install the outdoor unit in places where small animals may nest in the outdoor unit.
If small animals intrude and touch the internal parts of the outdoor unit, the outdoor unit may malfunction, generate smoke, or ignite.
Advise the user to keep the place clean.
• Do not touch the heater unit with bare hands.
The temperature of the heater unit will become high when the heater is turned on.
Touching the heater unit with bare hands may result in burns or injury.
2P326981-1
M12B191
Indicates a potentially hazardous
situation which, if not avoided, may
CAUTION
result in minor or moderate injury. It
may also be used to alert against
unsafe practices.
Two-dimensional bar code
is a code for manufacturing.

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Summary of Contents for Daikin KEH041A41

  • Page 1 Two-dimensional bar code is a code for manufacturing. MODELS: KEH041A41, KEH041A45, KEH041A46 Safety Considerations for Installation of Drain Pan Heater Read these SAFETY CONSIDERATIONS carefully before installing the drain pan heater. After completing the installation, check if the unit operates properly during the start-up operation.
  • Page 2: Tools Required For Installation

    *II Number and type of screws to be removed Front plate Parts name KEH041A41 KEH041A45 KEH041A46 J Information label *I Stop valve cover H Electric wiring Service lid...
  • Page 3 • Insert the plate under the heat exchanger. • For KEH041A41 and KEH041A46 , place K fixing plate. KEH041A41 KEH041A46 3) Fix the drain pan heater with B piercing screw. • For KEH041A41 , use C M4 self-tapping screw to fix K fixing plate. KEH041A41...
  • Page 4 Installation Procedure (3) KEH041A41 K Fixing plate 1-row heat exchanger Heat exchanger Hole: Use C M4 self-tapping screw to fix K fixing plate. Parts for drilling and View D number of ø1/8” (ø3.2mm) holes Partition Plate: Hole: Bottom frame plate...
  • Page 5 Installation Procedure (4) Route the harnesses. WARNING KEH041A41 • When drilling a hole, be careful not to damage the soundproofing material and other components on the back side. • When drilling a hole in the partition plate, be careful not to let chippings drop on the electrical components (particularly the reactor).
  • Page 6 Installation Procedure (5) KEH041A45 1) Drill ø5/32” (ø4mm) holes in the partition plate for installing the snap band. (2 locations) 2) Insert the snap band into the drilled hole. 3) Place the harness as shown in the figure and affix the E sealing material (long) to fix it. Snap band E Sealing material (long)
  • Page 7 Connect the FastOn terminals of the drain pan heater to the terminal block of the outdoor unit. 1) Remove the terminal block. (1 screw *4) *4 Pan head tapping screw • KEH041A41 and KEH041A45 only. KEH041A41 KEH041A45 2) Connect the thermostat-side terminal (black harness) to the leftmost terminal and the heater-side terminal (white harness) to the second leftmost terminal.
  • Page 8 Installation Check (electrical test of the outdoor unit) CAUTION • The drain pan heater is hot; do not touch it with bare hands. Check the following before powering on the unit. 1 terminal 1) Check whether the drain pan heater has been properly 2 terminal installed, wiring has been properly performed, and the removed components have been returned to the...

This manual is also suitable for:

Keh041a45Keh041a46