DAIKIN K-KDU572KVE Drain Up Kit Installation Guide

June 6, 2024
Daikin

K-KDU572KVE Drain Up Kit

Drain Up Kit

Installation Manual

K-KDU572KVE
Please read this manual and the air conditioner manual carefully before use.

Safety Precautions
Please read these”Safety Precautions”carefully before performing installation work.
The precautions shown here are divided into” Warning”and” Caution”,but those that are likely to lead to serious consequences such as death or serious injury if installation is performed incorrectly are noted collectively in the ” Warning”area. However,even the items described in the” Caution”area may lead to serious consequences depending on the situation.Observe all of the following,as each contains important information regarding safety.
After the installation work is complete,perform a test run and check that there are no abnormalities. In addition,please ask the customer to keep this manual.

Drain position/lift/service space

Hole position on the ceiling(50)

The drain up kit can be installed on the left or right of the air conditioner. The figure below shows the case of installation on the left.

Warning

For drainage of air conditioners. Do not use for any other application.If the usage application is incorrect,fire/water leakage,etc.may result.
Regarding installation,ask your dealer or a specialist. If you perform installation yourself and there are imperfections in the installation,water leakage/ electrocution/fire may result.

For installation parts,be sure to use accessories and parts with the designated specifications. If parts with the designated specifications are not used,water leakage/electrocution/fire may result.
Be sure to turn off the power supply before performing installation work.If electrical parts are touched while the power supply is turned on,electrocution may result.

Make sure to perform installation work properly

Connect the wire securely using the specified power wire,

according to the installation manual.If there are

and secure it properly so that the external force from

imperfections in the installation,wataer leakage/

the wire is not applied to the terminal connection part.

electrocution/fire may result.

If connections are incomplete or incompletely secured,

For the safety circuit power wire shape the wire so that heat generation/fire at the terminals may result.

the cover does not rise,and install the lid securely.

Install the product securely in a place that can

If the lid is not installed completely,electrocution/fire sufficiently withstand the weight of the kit.

may result.

If the strength is insuficient,injury due to falling

Please perform earthing work.

of the kit may result.

Do not connect earth wire to gas pipes,water pipes,

The power supply should be separate from the air conditioner.

lightning rods,or telephone earth wires.If earthing is If power is branched from the power supply wire of the air

incomplete,electrocution may result.

conditioner,transmission abnormalities/electrocution/fire

may result.

Caution
For drainage work,install the pipes according to this installation manual to ensure proper drainage,and insulate it to prevent condensation. If there are imperfections in the pipe work,water may leak and cause household goods to get wet.
Do not install in locations such as the following. Locations where flammable gas may leak,locations where carbon fibre and flammable dust float,or locations where volatile flammable materials such as thinner and gasoline are handled. If gas leaks and collects around the drain up kit,ignition of fire may result. Locations where there are machines that generates electromagnetic waves. It may cause abnormalities to occur in the control system,making normal operation impossible.

Drain up specifications

Main applicable models

Described below

Insulation

Exterior

White(Munsell 10Y9/0.5) Drain inlet connection pipe diameter

Maximum lift(mm)

1,000 (NOTE 1) Drain outlet connection pipe diameter

Drain discharge flow rate(L/h)

24

Safety device

Power supply Single-phase 220-240V/220V,5060Hz Operation sound(dB)

Power consumption(W)

14.1 12.9

Product weight(kg)

Operation current(A)

0.18 0.16

(NOTE 1) Height from the bottom of the drain up kit to the drain pipe (NOTE 2Connected with the drain hose(accessory) (NOTE 3) Connected to VP20 with the soft drain pipe(accessory)

Type E VP13 (NOTE 2) VP20 (NOTE 3) Float switch
25 3.2

Applicable models

Capacity Indoor unit model name

Low capacity models

FXA202532LVE(C)
FXAQ202532M(A)VE FXAQ202532PV1 FXAQ202532PVE

Capacity
High capacity models

Indoor unit model name
FXA405063LVE FXAQ405063M(A)VE FXAQ405063PV1 FXAQ405063PVE FAY71LVE,FAYP71LV1 FAQ71BUV1B FAQ71BVV1B FAQ71100CVEB

Caution Only the above applicable models can be used. Components

Name

Shape

Quantity Name

Shape Quantity Name

Shape Quantity

Drain up kit

Relay harness

(Green)

1 (Red) 1

Thermal insulation (For drain inlet) 30X130Xt5
Thermal insulation (For drain outlet)
50X180Xt10
Hose clamp

VP20

1 Soft drain pipe

(For drain outlet)

200

1

1

Screw Washer

(White) 1

4

Screw

5 M5X35

Connection harness (White)

Power supply wire (Blue)
Thermal insulation

15X70Xt3

1 Soft socket VP13 80
1
Drain hose 1 (For drain inlet)

Clamp
material
1 Installation
pattern paper
1 Installation
manual

4 1 1

Operation manual

1

Parts required for installation(locally procured)

Elbow
Thermal insulation
Standing drain pipe
(VP20)

Horizontal drain pipe (VP20)
Indoor unit

Refrigerant Downward slope of 1/100 or more pipe

Standing drain pipe(VP20) (Locally procured)

Drain pipe(VP20) (Locally procured)

Soft drain pipe (accessory)

MAX.1000mm

MIN.50mm
( ) Space required for installation

Installation on left or right possible

NOTE 1)Please secure the space required for installation on the left or right of the air conditioner, and the space required for service around the drain up kit installation location.
NOTE 2)Local pipe such as PVC pipe cannot be directly connected to the drain inlet and drain outlet of the drain up kit.Be sure to use the accessories described in the installation manual.

Preparation before installation

Preparation of the drain up kit

Separate the casing and drain up kit from the mounting plate.

(1)Remove the 1 casing fixing screw and washer,lower the casing,

and then pull it forward to separate it.

(2)Remove the 2 drain up kit fixing screws,and lift the drain up kit

upward to separate it.
Drain up kit lift and separate

Mounting plate

Drain up kit fixing screw

Casing

Washer
Casing fixing screw

Preparation of the indoor unit

For things such as the construction procedure of the indoor unit,refer to the installation manual attached to the indoor unit.

Caution
Be sure to work with the power supply turned off
When connecting terminals to the inter-unit wiring terminal block,
attach them correctly as shown in the figure below. If the crimp terminals are both installed in the same orientation accidentally,the terminal contact area will decrease and there will be a risk of overheating and burning.
Lead wire

Screw

Crimp terminal

Precautions for power supply wire/earth wire

Use round type crimp terminals for connecting the inter-unit wiring terminal block and

the earth wire. If you for some reason cannot use round type crimp terminals,

be sure to observe the following items.

Do not connect 2 wires with different diameters to the inter-unit wiring terminal block.

(There is a risk of abnormal heat generation due to loose wires, etc.)

Connect the wire securely using the specified power wire, and secure it so that

external force is not applied to the terminal part. Use an appropriate screwdriver to tighten the terminal

Round type crimp terminal

Power wire

screws. A screwdriver with a head that is too small will

damage the screw heads and make proper tightening impossible.

If the terminal screws are tightened too much, the screws may be damaged.
Refer to the table on the right for the tightening torque of the terminal screws.

Tightening torque

Inter-unit wiring terminal block

1.181.44

Earth terminal 1.441.94

For the FAY71LVE,FAYP71LV1,FXA202532LVE(C) FXA405063LVE,FXAQ2063M(A)VE FXAQ2063PV1,FXAQ2063PVE
(1)Connect the relay harness and the power supply wire to the indoor unit. (a)Remove the front grill according to the instruction manual that came with the indoor unit.

(b)Remove the service lid. (c)Remove the indoor circuit board assembly
CN15 short-circuit connector and connect the relay harness connector. (d)Connect the power supply wire to the indoor unit inter-unit wiring terminal block. The terminal nos.of connection terminals
vary depending on models.Be sure to check the electrical wiring diagram on the back side when connecting wires. (e)Using the earth connection screw from the indoor unit,secure the earth wire(locally procured 2 mm2or more copper wire)between the indoor unit and the drain up kit.
After tightening,trim away the unnecessary portion of the cable tie.
Power supply wire

Clamp material (Attached to the
indoor unit)

For the FAQ71BUV1B,FAQ71BVV1B,FAQ71100CVEB

(1)Connect the relay harness,the connecting harness, and the power supply wire to the indoor unit.
(a)Remove the connection harness of the relay harness and connect the attached connection harness.

Connection harness

Connection harness

Relay harness

Remove

(b)Remove the front panel and electrical box lid according to the indoor unit installation manual. [ How to remove the front panel and electrical box lid ]

1. Open the front panel until it stops.

2. Push both the left and right rotation axles of the front panel toward the centre of the main unit to remove the front panel. (You can also remove the front panel by sliding it to the left or right and pulling it toward you.)

3. Remove the screw from the electrical box lid and pull it

toward you using the tab to remove it.

Electrical box lid

Rotation axle

Front panel Rotation

(1)

axle

(2)

(2)

Rotation axle

(3)Screw Tab

4. Remove the front grille by following the directions described in the installation manual for the indoor unit. In the case of FAQ100CVEB,remove the griile retaining fixtures.

Coin,etc.

Screw position(locations)

Remove the fixtures at the bottom of the front grille with something such as a coin.

Grille fixture position (locations)

Front grille fixture position of 100-class unit

(c)Remove short circuit connector X15A on the indoor unit circuit board and connect the relay harness connector.

FAQ71100CVEB
Float switch connector (X15A)
Short circuit connector
Relay harness

Unit other than FAQ71100CVEB Float switch connector (X15A)
Relay harness
Short circuit connector

Clamp material

Connector

X15A connector side Clamp material

(Clamp material attachment position)

(d)Connect the power supply wire to the indoor unit inter-unit wiring terminal

block.

The terminal nos.of connection terminals vary depending on models.

Be sure to check the electrical wiring diagram on the back side when

connecting wires.

(e)Using the earth connection screw from the indoor unit,secure the earth wire

(locally procured 2 mm 2or more copper wire)between the indoor unit and

the drain up kit.

Power supply terminal block

Put the inter-unit wire and earth wire together,then tighten.
After tightening,trim away the unnecessary portion of the cable tie.

Earth terminal

Clamp material
(Attached to the indoor unit)

Earth wire

Clamp material
(Attached to the indoor unit)

Earth wire Power supply wire

Power supply wire

N P F1 F2

(2)Take out the relay harness,power supply wire,and earth wire from the back of the indoor unit,and return the indoor unit to its original position.

Switch box

Earth wire (Locally procured product)

Relay harness Power supply wire
(3)Decide on which side of the indoor unit you’d like to install the drain up kit,and perform the following steps.
1.Take out the drain hose attached to the indoor unit. If installing the drain up kit on the left,move the indoor unit drain cap to the right side and re- attach it. For how to move and re-attach,check the indoor unit installation manual.

Drain cap Move and re-attach when installing on the left
Indoor unit dirain hose Take out
C a u t i o n If installing the drain up kit on the left,be sure to move the indoor unit drain cap to the right side and re-attach it. If you forget to re- attach it,water will leak.
(4)Cut out and remove the covering of the indoor unit pipe outlet on the installation side of the drain up kit with something such as a cutter.

Pipe outlet (Cut out either one)
(5)Attach the drain hoseto the drain pan socket of the indoor unit.
3P635301-1

X5A X4A X3A
1 m or less

(6)When installing the drain up kit right next to the indoor unit, cut the drain hose with a something such as a cutter to dimension A and dimension B below(in that order).
Dimension B may not be as specified depending on the size of the indoor unit pipe outlet,so use dimension B as a guide only.
If you want to install the drain up kit at a distance from the indoor unit,adjust the distance using hard PVC pipe(VP13)and the soft socket.

Cut (Indoor unit socket side)

Drain hose
An arrow is stamped showing the direction of drain water flow

Dimension 40mm
Arrow view
Hose clamps (accessory)

Indoor unit

Cut (Drain up kit side)

Dimension 50mm
(Dimension of protrusion)
Arrow view

Soft socket (accessory)

Hard PVC pipeVP13 (Locally procured product)
Thermal insulation (Locally procured product)

When installing at a distance from the indoor unit

Installation of mounting plate and tentative placement of Drain Up Kit

(1)Install the indoor unit with the drain hose attached as it is. (2)Secure the installation pattern paper with something such as tape,
using the side and bottom of the indoor unit as a guide.
Drain hose Attached as is
Installation pattern paper Secured with tape etc.

(3)Install the mounting plate of the drain up using the installation pattern

paper as a guide.

Using screws,attach at 4 or more locations.

After installation, remove the installation pattern paper.

Mounting plate fixing hole (Secure at 4 or more locations)

Mounting plate

Installation pattern paper
(4)Insert the drain hose into the hose clamp. Work will be easier if you orient the hose clamp so that it can be tightened from below.

(6)Insert the drain pan socket of the drain up kit into the drain hose, then place it tentatively by hooking it on the tabs (3 locations) of the
mounting plate. Do not tighten the hose clamp until wiring work is completed, and
do not screw it to the mounting plate. Wiring work may be difficult. (7)Remove the circuit board cover.

Circuit board cover

Tabs (3 locations)

Mounting plate

Drain up kit

Drain pan socket

Installation of relay harness/connection harness/power supply wire
Caution Be sure to work with the power supply turned off

Electrical wiring diagram

Drain up kit

Circuit board DS1
P1
NOTE 3) K2R

Float switch
P2 (For operation)

X2A X6A
M1P
Drain up

Float switch (For abnormalities)
Air conditioner stop signal

Relay harness (NOTE 2)
Indoor unit
Indoor printed circuit board
X15A or CN15
Refer to the following applicable models for connection
Power supply wire

Locally procured

The earth wire (copper) must be 2 mm² or more or 1.6 mm or more.

Applicable models

FAY71LVE FAY71LV1

Connection X2M diagram Tes2

123

FXA2032LVE(C) FXA4063LVE FXAQ2032M(A)VE FXAQ4063M(A)VE FXAQ2063PV1 FXAQ2063PVE

FAQ71BUV1B FAQ71BVV1B

FAQ71100CVEB

LN

123

1 23

X2M

X2M

X2M

When connecting the relay harness, remove either the CN15 or X15A short circuit connector. NOTE 1) Be sure to turn on the drain up kit power supply. If the power supply is not turned
on, the air conditioner will stop abnormally and operation will not be possible. NOTE 2) The relay harness cannot be extended. (It may malfunction due to noise) NOTE 3) When the power supply is turned on, the K2R contact closes and becomes a
non-voltage constant B contact.
(1)Lay the relay harness, power supply wire, and earth wire in the indoor unit piping space.
(2)Connect the relay harness to the circuit board connector (X6A) of the drain up kit
(3)Connect the power supply wire to the circuit board connector (X1A) of the drain up kit.
(4)Secure the earth wire (locally procured 2 mm² or more copper wire) to the drain up kit using the earth connection screw.
Bundle excess harness with a clamp material .
Earth wire

Hose clamp
(5)When installing the drain up kit on the right, move the drain plug and thermal insulation sleeve of the drain up kit to the left side and re-attach. (Not required in case of left installation)

Thermal insulation sleeve

Drain plug

Thermal insulation
sleeve

Hex wrench

Clamp material
Relay harness Power supply wire
(5)Secure the relay harness with a clamp material. (6)Wrap the thermal insulation around the relay harness.
(To ensure protection, wrap it so that there is no gap between the relay harness and the circuit board cover) (7)Check that the DIP switch (DS1) on the circuit board assembly of the drain up kit is set to P2 and (DS1) is set to P1. (8)Attach the circuit board cover. (9)Secure the relay harness, power supply wire, and earth wire (locally procured) with a clamp material. (10)Connect the earth wire. Be sure to perform Class D earthing work. The earth resistance value should be 100 ohms or less.

DS1 P1 P2
H/F b/a
X1A

Power supply wire Circuit board cover notch

Circuit board Relay harness

Power supply wire Connector (X1A)
Secure with a clamp material

Relay harness (X1A)
Circuit board cover notch

Thermal insulation (Wrap together with the clamp material)

In case of installation on the left

In case of installation on the right

Earth wire connection Circuit board cover

Circuit board cover Relay harness

Secure with a clamp material

Relay harness

Earth wire

Earth wire

Power supply wire

Power supply wire

Earth wire connection
Secure with a clamp material

Drain up kit installation and drain piping procedure

(1)Install the drain up kit fixing screws (2 pcs) and secure the drain up kit to the mounting plate.
(2)Tighten the hose clamp around the drain hose. (3)Wrap the thermal insulation around the hose clamp to insulate it.
Drain up kit fixing screw (2 pcs)

Thermal insulation (Wrap)

Hose clamps (Tighten)

Caution

Local pipe such as PVC pipe cannot be directly connected to the drain socket.Be sure to use the attached drain hose.
Tighten the hose clamp with a torque of 1.0 to 1.2 Nm.

(4)Connect the outlet pipe. Connect the soft drain pipe to the soft drain pipe connection port. Tighten the connection between the drain up kit and the soft socket
with a hose clamp and wrap it with thermal insulation. Be sure to use adhesive to connect the soft drain pipe and the
local drain pipe in the ceiling.
Caution
Outlet pipe parts are locally procured. Be sure to thermally insulate the drain pipe. Be sure to make a downward slope (1/100 or more) for the horizontal
section of the drain pipe so that there will be no trapped air. If the horizontal section is long, install a support bracket in the middle to prevent the pipe from sagging. Local pipe such as PVC pipe cannot be directly connected to the soft drain pipe connection port.Be sure to use the attached soft drain pipe . Tighten the hose clamp with a torque of 1.0 to 1.2 Nm.

Thermal insulation sleeve Elbow (VP20) (locally (locally procured) procured)
Standing drain pipe(VP20) (locally procured)

Ceiling slab

Support bracket

Soft drain pipe Hose clamp

Secure with adhesive Horizontal drain pipe(VP20) (Downward slope at 1/100 or more)

Thermal insulation

Soft drain pipe connection port

In case of centralised pipe
When branching into one central pipe, follow the procedure shown below to absolutely prevent water from flowing backward into the unit.

Make this distance as large as possible
Downward slope (1/50 to 1/100)

Use as thick a pipe as possible

Test run
Caution Work with the circuit board cover attached.
Using something such as a tester, check whether single-phase 220-240V/220V, (50/60Hz) power supply voltage is supplied to the drain up kit. Do not splash water onto the drain up motor.

Drainage check
Check that the pump operates and drains. When draining, check that there is no water
leakage from the pipe.
(1)Remove the front cover of the drain up kit and pour water into the drain pan until the drain pan is about half-full of water.
(2)Turn on the drain up kit power supply and check that the drain up process works normally and the drain water flow is smooth.

Circuit board cover

Abnormal stop check

Front cover Remove the screw

Float switch (For abnormalities)
Plastic container

(3)Start the air conditioner.

for drainage

(4)Push up the float switch (for abnormalities) for 5 seconds

or more and check that the air conditioner stops.

After checking, reattach the front cover.

Installation of casing

Cut out and remove the covering of the casing pipe outlet with something such as a cutter.
Install the casing as shown in the figure below and secure it with the fixing screws and washers.Use the 1 accessory screw and washer when securing the casing on either the left or the right.

Drain up kit

Casing
Cut along the perforations
Washer Casing fixing screw

Casing fixing screw/washer
(Accessory,1 pc.)

Casing

Check for after installation work is completed

Please check these items again after the construction is completed.

Check item

Check column

Check item

Check column

Are the indoor unit and drain up kit level?

Is the drain pipe pointing downward? (1/50 to 1/100)

Is the drain pipe securely connected? Is there any risk of water leakage?

Is the drain hose insulated properly? Is all the wiring correct?

After the air conditioner test run, perform cooling operation and check the operating sound coming from the drain up kit.

Precautions when operating

The pump will repeatedly stop and start operating due to the action of the cooling operation float switch.
After cooling operation is stopped, remaining water needs to be discharged, so do not turn off the power supply immediately.
If turning off the power supply, be sure to wait at least 5 minutes after stopping operation.If the power supply is not turned off, the drain pump will stop after about 20 minutes of residual operation.If the safety circuit is activated, the operation of the air conditioner will stop.
If water leaks from the inside of the air conditioner or the drain up kit during cooling operation, stop operation immediately.The drain outlet may be clogged or the safety circuit may not be working properly, so contact your dealer.
3P635302-1

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