Daikin KEH067A41E User manual

Our continuing commitment to quality products may mean a change in specications without notice.

19001 Kermier Rd., Waller, TX 77484

www.daikincomfort.com

IOD-7133

01/2021

KEH067A41E, KEH063A4E(A), FTDBHMS,

FTDBHML

INSTALLATION IN

STRUCTIONS



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 avoided, will

result in death or serious injury.

Indicates a potentially hazardous

situation which, if not avoided, could

result in death or serious injury.

Indicates a potentially hazardous

situation which, if not avoided, may

result in minor or moderate injury.

It may also be used to alert against

unsafe practices.

• Inform users 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 eld-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.

Only personnel that have been trained to install, adjust, service



manual should service the equipment. The manufacturer will not

be responsible for any injury or property damage arising from

improper service or service procedures. If you service this unit,

you assume responsibility for any injury or property damage

which may result. In addition, in jurisdictions that require one or



only licensed personnel should service the equipment.

Improper installation, adjustment, servicing or repair of the





without proper training may result in product damage, property

damage, personal injury or death.

WARNING

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

• Wear protective gloves at the time of installation.

Touching the suction mouth or aluminum n of the outdoor unit

may result in injury.

• Do not install the product in places where there is danger of



If the gas leaks and builds up around the unit, it may catch re.

• 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.

DANGER

Cancer and Reproduc�ve Harm -

www.P65Warnings.ca.gov

PROP 65 WARNING

FOR CALIFORNIA CONSUMERS

0140M00517-A

WARNING

INSTALLATION INSTRUCTIONS

WARNING

• Request the dealer or an authorized technician to install the product.

Improper installation of the product could result in water leakage, an electric shock, or re.

• 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 electric shock, or re.

• 

Use of other parts could result in the unit becoming loose and falling, water leakage, electric shock, or re.

• 󰀨

Touching any electrical parts with the power supply turned on could result in electric shock.

• 

Wires connected or xed improperly could result in terminal overheating, an electric shock, or re.

• 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 electric shock, or re.

ACCESSORIES

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.

KEH067A41E

FTDBHMS

KEH063A4E

FTDBHML

KEH063A4EA

Drain Pan Heater 1 1 1

M4 piercing screw 3 6 6

Binding band 1 1 1

Sealing Material 1 2 2

Installation Manual

(multi-language)

1 1 1

Electric Wiring

Diagram Label

1 1 1

Information Label 1 1 1

Alternate Mounting

Plate

00 3

TOOLS REQUIRED

• Electric Drill

• ɸ1/8 inch (ɸ3.2mm) drill

• Phillips Screwdriver

• Nippers

INSTALLATION PROCEDURE

WARNING

Be sure to check that the power supply of the product is

turned o󰀨.

Some stages in the installation procedure di󰀨er by model of the outdoor unit. Refer to the instructions for the relevant

model.

TYPE A MODELS: RX09/12NMVJU, RX09/12AXVJU,RXN09/12, RXL09/12

TYPE B MODELS: RX18/24NMVJU,RXN18/24, RXL15

TYPE C MODELS: 2/3/4MXS,2/3MXL

TYPE D MODELS: RX18/24AXVJU

1. 

1) Remove the top plate.

2) A󰀩x the electric wiring diagram label where there is enough space available on the back of the top plate.

3) Remove the screws from the protective wire mesh if one is tted. (2 screws)

(For type B and C models only.)

4) Remove the front plate.

5) Remove the anti-drip cover.

(For type B and C models only)

6) A󰀩x the information label near the manufacture’s label.

• The appearance of the outdoor unit and the number of screws may di󰀨er from some models.

• Screw types for each component are indicated as below.

No Icon: Hexagon tapping screw

: Truss head tapping screw

For Type A and D Models

For Type B and C Models

2. 

1) Remove the xing screws at the lower section of the fan motor base. (2 screws)

2) Remove the fan motor base together with the propeller fan and ensure that stress is not placed on the propeller fan

when placing them aside,

• Do not remove the fan motor harness.

• Ensure that the fan motor harness does not come into contact with the edges of the heat exchanger or other

components.



: Truss head tapping screw

3. 

CAUTION

When drilling a hole, be careful not to damage the





1) For type D models, exchange the pre-mounted mounting plates for 2 of the alternate mounting plates as indi-

cated below:

Remove pre-mounted

moun�ng plates

Install H alternate

moun�ng plates

2) Remove 1 screw from the bottom frame (and 1 screw from the left frame for type D models) so that the plates of

the drain pan heater can be inserted under the heat exchanger with ease.

3) Lift up the heat exchanger, and insert the plates of the drain pan heater under the heat exchanger.

• The ground plate of the drain pan heater should be installed so that, in type A models, it rmly adheres to the

bottom frame and, in type B and C models, it rmly adheres to the partition plate.

• Install the drain pan heater in a position where it does not come into contact with the fan motor base.

4) If there are no holes, drill ɸ1/8 inch (ɸ3.2mm) holes in the bottom frame or the partition plate

(model type dependent) to x the drain pan heater.

• Place the actual components to ensure positioning is correct before drilling holes.

• The holes can be made with the included piercing-screw as well.

5) Fix the drain pan heater with the piercing screws.

6) Reattach the screw that was removed from the bottom frame (as well as the screw that was removed from the left

frame for type D models).

For Type A Models

View C

Remove 1 screw. (Hexagon tapping screw)

Ground plate

(The ground

plate should be

installed

so that it ﬁrmly

adheres to the

bottom frame. )

Plate (Insert the plate under the heat exchanger.)

Drain pan heater

Hole (Fix with the M4 piercing screw.)

M4 piercing screw

Hole

Bottom frame

View D

Heat exchanger

Location and number of holes

Bottom frame: 2

For Type B, C, and D Models

4. 

CAUTION

When drilling a hole, be careful not to damage the





For type A Models

1) If there is no hole, drill a ɸ1/8 inch (ɸ3.2mm) hole in the partition plate. (1 location)

2) Fix in place the binding band attached to the drain pan heater harness by screwing the M4 piercing screw

into the hole. (1 location)

3) Install the fan motor base.

• Be careful not to confuse screw types. Refer to “Installation Procedure (2)”.

4) Place the drain pan heater harness on top of the fan motor harness, and x it in place with the sealing materi-

al.

Binding band

Fan motor harness

If a hole need to be drilled, hold the component

in position to determine the location of the hole.

Drain Pan

heater harness

Sealing material

For type B, C, and D Models

1) If there is no hole, drill ɸ1/8 inch (ɸ3.2mm) holes in the partition plate. (3 locations)

2) Fix the drain pan heater harness in place by screwing the M4 piercing screws into the holes. (3 locations)

3) Install the fan motor base.

• Be careful not to confuse screw types. Refer to “Installation Procedure (2)”.

4) Trim the electrical wiring box with nippers at the locations shown in the gures, then cover the trimmed edges with

the sealing material.

5) Insert the drain pan heater harness into the space that was trimmed, and x it in place using the sealing ma-

terial.

If holes need to be drilled, hold

the component in position to

determine the locations

of the holes.

M4 piercing

screws

Binding bands

Type B

Type C

Trim the electrical wiring box.

Sealing materials

Trim the electrical wiring box.

Sealing materials

For type D Models

Route wire as shown Sealing material

5. 



1) Connect the thermostat-side terminal (black harness) to the leftmost terminal and the heater-side terminal (white

harness) to the second leftmost terminal.

• For type C models, connect to the last terminal block of the terminal blocks in use.

2) Bundle the drain pan heater harness so that there is no slack, and secure it with the binding band. (1 location)

• For type C models, connect to the last terminal block of the terminal blocks in use.

For type A Models

Binding band

Heater-side

terminal

(white harness)

Thermostat-

side terminal

(black harness)

View E

For type B and D Models

Binding band

Heater-side

terminal

(white harness)

Thermostat-

side terminal

(black harness)

View E

For type C Models

Heater-side terminal

(white harness)

Thermostat-side

terminal (black harness)

Binding band

this page intentionally left blank

This manual suits for next models

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