Toyotomi MUL-E9CFTA User manual

Installation and Operation Manual

Free Match Series R410A Multi

VFR System- Floor And Ceiling Type

Indoor Unit (For European Union)

This manual is suitable for the following models：

MUL-E9CFTA

MUL-E12CFTA

MUL-E18CFTA

MUL-E24CFTA

Please read this manual carefully before the installation and operation of this product.

User Notice

◆When operating, the entire capacity of the cooperating indoor unit should be not larger than

150% of outdoor unit. Otherwise, it will cause the shortage of cooling (heating) capacity.

◆The power supply of the entire unit must be the power supply of outdoor unit. And

disconnect the main power of outdoor units before cleaning.

◆In order to turn on the units successfully, the main power switch should be opened 8 hours

before the operation.

◆After receiving the turn off signal, every indoor unit will continue to work for 20-70sec to

make use of the rest cool air or the rest heat air in the heat exchanger, while preparing for the next

operation. And this is normal.

◆When the selected operating mode of the indoor unit are clash with the operating mode of

the outdoor unit, the malfunction light will blink after 5s on the indoor unit or remote controller

showing that the operation clash, then the indoor unit will stop. At this time, change the operation

mode of the indoor unit to the one that would not clash with the outdoor operating mode to make

the operation normal. The cooling mode is not clash with the dry mode, while the fan mode is not

clash with any mode.

◆The appliance shall not be installed in the laundry .The appliance shall not be used by

children without supervisor.

◆An all-pole disconnection switch having a contact separation of at least 3mm in all poles

should be connected in xed wiring.

◆Missing information regarding electric supply tolerances(+/-10%, +/-1Hz) in

documentation.

◆Humidity range: 30%~95%.

◆Main switch provided by end user: main switch handle should be black or gray, it can be

locked in “OFF” position with padlock.

◆The main disconnection device should be installed at a height of 0.6~1.7m. over current

protection is required(EN 60947-3, EN 60947-2).

◆The cooling range of the unit is the outdoor environment temp.-5~48 ℃DB, the heating

range of the unit( only for the heat pump type unit) is the outdoor environment temp. -15~27 ℃

DB.

This product must not be disposed together with the domestic waste. This product

has to be disposed at an authorized place for recycling of electrical and electronic

appliances.

Thank you for your selecting of TOYOTOMI air conditioner, please read this usage and install

instruction carefully and keep it well in order to use this unit correctly.

Contents

ⅠSafety Information .............................................................................................. 1

ⅡSelection of Installation Location and Precautions............................................. 2

1 Selection of Installation Location for Air Conditioner Unit......................................... 2

2 Selection of Installation Location................................................................................. 2

3 Caution for installation where air conditioner trouble is likely to occur...................... 2

ⅢInstallation of Floor And Ceiling Type Indoor Unit ........................................... 3

1 Space dimension for installation of the unit ................................................................. 3

2 Important notice............................................................................................................ 3

3 There are 2 styles of installation................................................................................... 3

4 Electrical wiring ........................................................................................................... 6

5 Install the drainage pipe................................................................................................ 7

6 Install the connection pipes .......................................................................................... 8

ⅣConstitutes and Names of Every Part of Floor And Ceiling Type Indoor Unit .. 9

ⅤWorking Temperature Range ............................................................................ 10

ⅥMaintenance Method ........................................................................................ 11

1 Cleaning the air lters................................................................................................. 11

2 Cleaning the unit......................................................................................................... 11

3 At the start of the season............................................................................................. 11

4 During the off season................................................................................................... 11

ⅦOperating Instructions ...................................................................................... 12

ⅧMalfunction Analyzing ..................................................................................... 14

1 Service center .............................................................................................................. 14

2 After-sales Service ....................................................................................................... 14

Safety Information

ⅠSafety Information

Please read this manual carefully before use this unit, and operate it correctly according to the guide in

this manual.

Please take specially note to the meaning of these two marks：

Warning! This mark means that it may cause casualty or badly hurt if the operation is incorrect.

Caution! This mark means that it may cause casualty or property loss if the operation is incorrect.

Warning!

◆

For the usage safety of the air conditioner, the units should be earthed reliably .Do not connect the earth

line with the gas pipe, water pipe, drainage pipe or other places that specialized personnel considers unsafe.

◆Air conditioner must use special power supply circuit and switches for creepage protect and air with

enough capacity should be installed in the circuit.

◆ Ensure that the connecting of power cord is normal, otherwise, electric shock or re may happened.

◆Do not cut off the power supply to turn off the unit when it is running, otherwise life time of units may

shortened.

◆ Do not mangle wire or adopts wires that are not recommend to use, otherwise, electric shock or re

may happened.

◆Please don’t operate the unit by wet hand, or electric shock may happened.

◆ Don’t insert nger or stick like things into outlet vent, otherwise, damage may be happened.

◆Cut down the main power switch immediately if malfunction (such as smell the burning odor etc.)

happen, and then contact the special engaged maintenance center. If the abnormal state is maintained, the unit

may be damaged or electric shock or re may be happened.

◆ Do not ret the conditioner. Please contact the agency or professional personnel to repair or move the

conditioner.

◆Do not adopt fuse with unsuitable capacity or adopt iron thread instead of fuse, otherwise malfunction

or re may happened.

◆Do cut off the main power supply of air conditioner if it would not be used for a long time.

◆Please turn off the main power of the whole unit before cleaning the conditioner, otherwise electric

shock or harm may be happened.

◆ Chemical sprayer should be placed 1m or more away from the unit, otherwise re or explode may be

caused.

◆Do not let blockage happened in the inlet or outlet vent of the air conditioner, this would cause low

efcacy or unit stop.

Selection of Installation Location and Precautions

ⅡSelection of Installation Location and Precautions

1 Selection of Installation Location for Air Conditioner Unit

The installation of air conditioner unit must be in accordance with national and local safety

codes.

Installation quality will directly affect the normal use of air conditioner unit. The user is

prohibited from installation by himself. Please contact your dealer after buying this machine.

Professional installation workers will provide installation and test services according to

installation manual.

Do not connect to power until all installation work is completed.

2 Selection of Installation Location

＊Such a place where cool air can be distributed throughout the room.

＊Such a place where is condensation water is easily drained out.

＊Such a place that can handle the weight of indoor unit.

＊Such a place, which has easy access for maintenance.

＊Such a place where is permitting easy connection with the outdoor unit.

＊Such a place where is 1m or more away from other electric appliances such as television, audio device,

etc.

＊Avoid a location where there is heat source, high humidity or inammable gas.

＊Do not use the unit in the immediate surroundings of a laundry, a bath, a shower or a swimming pool.

＊Be sure that the installation conforms to the installation dimension diagram.

3 Caution for installation where air conditioner trouble is likely to occur

＊Where there is too much of oil.

＊Where it is acid base area.

＊Where there is irregular electrical supply.

Installation of Floor And Ceiling Type Indoor Unit

ⅢInstallation of Floor And Ceiling Type Indoor Unit

1 Space dimension for installation of the unit

The space around the unit is adequate for ventilation. (Refer to Fig.1)

Fig.1

2 Important notice

a. The unit must be installed by the professional personnel according to this install instruction to ensure

the well use.

Please contact the local TOYOTOMI special nominated repair department before installation. Any malfunction

caused by the unit that is installed by the department that is not special nominated by TOYOTOMI would not deal with

on time by the inconvenience of the business contact.

b. It should be done by professional personnel when the air conditioner unit is moved to other place.

3 There are 2 styles of installation

＊Ceiling type

＊Floor type

Each type is similar to the other as follows:

a. Determine the mounting position on ceiling or wall by using paper pattern to indicate indoor frame.

Mark the pattern and pull out the paper pattern.(Refer to Fig.2)

b. Remove the return grill, the side panel and the hanger bracket from the indoor unit as per procedure

bellow.

＊Press the xing knob of the air intake grills, the grilles will be opened wider and then pull them out

from the indoor.

＊Remove the side panel xing screw and pull to the front direction (arrow direction) to remove. Side

panel xing screw. (Refer to Fig.3)

Installation of Floor And Ceiling Type Indoor Unit

＊Loosen two hanger bracket setting bolts (M8) on eath side for less than 10mm. Remove two hanger

bracket xing bolts (M6) on the rear side. Detach the hanger bracker by pulling it backward (Refer to Fig.5).

Fig.2 Fig.3

c. Set the suspension bolt. (Use W3/8 or M10 size suspension bolts)

＊Adjust the distance from the unit to the ceiling slab beforehand. (Refer to Fig.4)

d. Fix the hanger bracket to the suspension bolt.

Warning ！

＊Make sure that extended suspension bolt from the ceiling stays inside the arrowed position. Readjust

the hanger bracket when it is outside the arrowed position. (Refer to Fig.6)

＊Suspension bolt stays inside the cap of indoor unit. Never remove the cap.

e. Lift the unit and slide forward unit the dent. (Refer to Fig.7)

f. Screw tightly both hanger bracket-setting bolts (M8). (Refer to Fig.5)

g. Screw tightly both hanger bracket-xing bolts (M6) to prevent the movement of the indoor unit. (Refer

to Fig.5)

h. Adjust the height so that rear side of the drainpipe slightly inclines to improve drainage.

Caution ！

＊Adjust the height by turning the nut with a spanner.

＊Insert the spanner from the hanger bracket opening. (Refer to Fig.8)

In case of hanging

It is possible to install using inward facing hanger brackets by not removing the brackets from the indoor

unit. (Refer to Fig.9)

Be sure to use only the specied accessories and parts for installation work.

Installation of Floor And Ceiling Type Indoor Unit

Celling

40 or less

Hanger bracket

Suspension bolt

Celling slab

BOLT POSITION

INWARD

Hanger bracket

Fig.4

Fig.5

Hanger bracket

setting bolt(M8)

Hanger bracket

fixing bolt(M6)

Hanger bracket

Fig.6 Fig.7

Fig.9

Fig.8

When installing the indoor unit, you can refer the paper pattern for installation, and make sure that the

drainage side must be 10mm lower than the other side in order to drain the condensation water uently.

Unit:mm

Model A B H C D

MUL-E9CFTA

1220 225 700 1158 280

MUL-E12CFTA

MUL-E18CFTA

MUL-E24CFTA

Installation of Floor And Ceiling Type Indoor Unit

4 Electrical wiring

Caution: The power of every indoor unit should be connected in outdoor unit.

a. Open surface panel.

b. Remove the electrical box cover.

c. Route the power connection cord from the back of the indoor unit and pull it toward the front through

the wiring hole upward.

d. Connect the wiring (communication) through the piping hole of the chassis and the bottom of the

appliance upward, then connect the brown wire to the Terminal board “3”;black wire(the communication wire)

to the Terminal board“2”;blue wire to the Terminal board“N(1)”,and connect the earthing wire to the screw

terminal on the electric box. Clamp them with the corresponding wire clamp packed in the chassis.

e. Reassemble the electrical box cover.

f. Recover the surface panel.

g. The temperature of refrigerant circuit will be high, please keep the interconnection cable away from

the copper tube.

42K

POWER

INDOOR UNIT AINDOOR UNIT BINDOOR UNIT CINDOOR UNIT D

OUTDOOR UNIT

INDOOR UNIT E

XT2

XT1

XT3

XT4

XT5

XT6

This manual suits for next models

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