Acson E Series User manual

Inverter Y Single Split E Series

A5LCY - E - 2010

A5LCY 10 ER

A5LCY 15 ER

Models:

Revise 1

Revision Table

Code Subject

Amendment on

Manual’s Page No.

Date

A5LCY-ER-2010-0001 Amendment on Electrical Data 26 16.6.2011

Amendment Sheet

Manual : Inverter Y Single Split E Series Code : A5LCY-E-2010 – 0001

Subject : Model A5LCY10/15ER

Description : Amendment on Electrical Data

Table of Contents A5LCY-E-2010

Contents

Nomenclature......................................................................................................................1

Indoor Unit .....................................................................................................................1

Outdoor Unit ..................................................................................................................2

Product Line-Up ..................................................................................................................3

Features...............................................................................................................................5

Application Information .....................................................................................................6

Operating Range ...........................................................................................................6

Refrigerant Circuit Diagram ...........................................................................................7

Controller ......................................................................................................................8

Installation Guideline .....................................................................................................9

Engineering & Physical Data ...........................................................................................21

General Data - Heat pump ..........................................................................................21

Components Data - Heat pump ...................................................................................23

Safety Devices Data ....................................................................................................24

Outline and Dimension ....................................................................................................25

Electrical Data ...................................................................................................................26

Wiring Diagram .................................................................................................................27

Service and Maintenance.................................................................................................28

Troubleshooting ...............................................................................................................31

Exploded View and Part List ...........................................................................................38

Nomenclature A5LCY-E-2010

1

Nomenclature

Indoor Unit

A 5 WM Y 10 K R

Brand

A : Acson

Refrigerant

5 : R410A

Model Name

WM : Wall Mounted

Inverter System Type

Y : Y series

Capacity Index

10

15

: 10,000 Btu/h

: 15,000 Btu/h

Chassis

K : K Series

Model Type

“ “

R

: Omitted if cooling only

: Heatpump

A5LCY-E-2010 Nomenclature

2

Outdoor Unit

A 5 LC Y 10 E R

Brand

A : Acson

Refrigerant

5 : R410A

Model Name

LC : Single Split Condensing Unit

Inverter System Type

Y : Y series

Capacity Index

10

15

: 10,000 Btu/h

: 15,000 Btu/h

Chassis

E : E Series

Model Type

“ “

R

: Omitted if cooling only

: Heatpump

3

Product Line-Up A5LCY-E-2010

Product Line-Up

Indoor Unit

A5WMY-K Series

A5WMY

Nomenclature

Classiﬁ cation

Handset

PCB

Air Puriﬁ cation

Fan Motor

Marking

Others

iAPJ2

2P206569-4

Saranet Filter

Titanium Apatite Photocatalytic

Filter

DC Fan Motor

CE

EUROVENT

HEATPUMP

10KR

-XXXXXXX

15KR

-XXXXXXX

4

A5LCY-E-2010 Product Line-Up

Outdoor Unit

A5LCY-E Series

A5LCY

Nomenclature

Classiﬁ cation

PCB

Refrigerant

Control

Fin

Safety Devices

Compressor

Fan Motor

Marking

Others

2P257375-1

Cap Tube

EXV

Gold Coated

Blue Coated

Bare Fin

Overload Relay

DC Inverter Swing Compressor

DC Fan Motor

CE

EUROVENT

HEATPUMP

10ER - X X X X X X X X

15ER - X X X X X X X X

5

Features A5LCY-E-2010

Features

Self Diagnosis

The microprocessor provides the possibility to detect and diagnose any fault or malfunction that occurs in the

system. The error will be reﬂ ected by the blinking of the LED lights at indoor unit and by wireless handset 7-

segment display.

Technology

Incorporate PI control to achieve more precise temperature control, faster and smoother response. Enhanced

design using

Electronic Expansion Valve to achieve optimum refrigerant control as compared to capillary tube.

Discharge pipe temperature control, high pressure limit control, input current control and heat sink

temperature control to improve reliability.

On / Off Button on Indoor Unit

On/Off button is provided on the unit. It can be used when the remote controller is missing or if its battery has

run out. (Note: This button can also be used for forced operation mode).

Auto Restart

Auto restart function allows the unit to automatic restart as the last setting condition when the power supply is

resumed after power failure. However, the compressor will restart randomly if more than one unit is installed

and sharing the same phase of power.

Wireless Remote Controller

The compact LCD transmitter is able to operate the air conditioner unit within the distance of 8 meters.

Fan speed can be set at high / medium / low / super low or automatic.

Night Set mode auto control will gradually increase or decrease the setting temperature to provide a

comfortable surrounding for sleeping.

Air ﬂ ow direction can be controlled automatically.

Room temperature is controlled by electronic thermostat.

The delayed timer (from 1 to 9 hours) allows the air conditioner to be switched On and Off automatically

based on user settings.

Energy Saving

Equipped with energy saving selection to limit the maximum power consumption to just 700W. This feature is

also useful in preventing circuit breakers from being overloaded due to the use of multiple indoors and other

electrical devices. This new series is also designed with Standby Electricity Saving Function to reduce the

power consumption when unit is not in used.

•

6

A5LCY-E-2010 Application Information

Application Information

Operating Range

Ensure the operating temperature is in allowable range.

Heatpump

Heating

Outdoor temp. (°CWB)

Indoor temp. (°CDB)

Cooling

Outdoor temp. (°CDB)

Indoor temp. (°CWB)

-15

10 30

20

Standard

point

Caution :

The use of your air conditioner

outside the range of working

temperature and humidity can result

in serious failure

.

10

35

46

14 2319

20

6

STD

7

Application Information A5LCY-E-2010

Refrigerant Circuit Diagram

Model: A5LCY 10ER - A5WMY 10KR

A5LCY 15ER - A5WMY 15KR

OUTDOOR TEMPERATURE

THERMISTOR

FIELD PIPING

GAS STOP

VALVE

7.0CuT

FIELD PIPING

(9.5CuT)

MUFFLER

HEAT EXCHANGER

THERMISTOR

PROPELLER FAN

6.4CuT

4.8CuT

HEAT EXCHANGER

FAN

MOTOR

9.5CuT

MUFFLER

WITH

FILTER

6.4CuT

M

TuC5.9

TuC0.7

DISCHARGE PIPE

THERMISTOR

LIQUID

STOP

VALVE

OUTDOOR UNIT

(6.4CuT)

9.5CuT

7.0CuT

MUFFLER

ACCUMULATOR

6.4CuT

MOTOR OPERATED

VALVE

STRAINER

6.4CuT

7.0CuT

COMPRESSOR

9.5CuT

FOUR WAY

VALVE

ON:HEATING

HEATING

7.0CuT

CROSS FLOW FAN

7.0CuT

FAN MOT OR

HEAT EXCHANGER

9.5CuT

4.8CuT

INDOOR UNIT

COOLING

M

REFRIGERANT FLOW

7.0CuT

THERMISTOR

ON HEAT EXCH.

8

A5LCY-E-2010 Application Information

Controller

iAPJ2

Operation Guide

1 Signal transmitter:

It sends signals to the indoor unit.•

2 Display (LCD):

It displays the current settings.

(In this illustration, each section is shown

with its displays on for the purpose of

explanation.).

•

3 ECONO button:

ECONO operation•

4 POWERFUL button:

POWERFUL operation•

5 TEMPERATURE adjustment button:

It changes the temperature setting.•

6 ON/OFF button:

Press this button once to start operation.

Press once again to stop it.

•

7 MODE selector button:

It selects the operation mode.

(AUTO/DRY/COOL/HEAT/FAN)

•

8 FAN setting button:

It selects the airﬂ ow rate setting.•

9 SWING button:

Adjusting the airﬂ ow direction.•

10 COMFORT AIRFLOW button:

COMFORT AIRFLOW operation•

11 ON TIMER button:

12 OFF TIMER button:

13 TIMER CANCEL button:

It cancels the timer setting.•

1

6

2

10

9

8

5

13

4

3

7

12

11

9

Application Information A5LCY-E-2010

Installation Guideline

Safety Precautions

WARNING

CAUTION

Installation and maintenance should be performed by

qualiﬁ ed persons who are familiar with local code and

regulation, and experienced with this type of appliance.

All ﬁ eld wiring must be installed in accordance with the

national wiring regulation.

Ensure that the rated voltage of the unit corresponds

to that of the name plate before commencing wiring

work according to the wiring diagram.

The unit must be GROUNDED to prevent possible

hazard due to insulation failure.

All electrical wiring must not touch the refrigerant

piping or any moving parts of the fan motors.

Conﬁ rm that the unit has been switched OFF before

installing or servicing the unit.

Disconnect from the main power supply before

servicing the air conditioner unit.

DO NOT pull out the power cord when the power is

ON. This may cause serious electrical shocks which

may result in ﬁ re hazards.

Keep the indoor and outdoor units, power cable and

transmission wiring, at least 1m from TVs and radios,

to prevent distorted pictures and static. {Depending on

the type and source of the electrical waves, static may

be heard even when more than 1m away}.

•

Please take note of the following important points

when installing.

Do not install the unit where leakage of ﬂ ammable

gas may occur.

If gas leaks and accumulates around the unit, it

may cause ﬁ re ignition.

Ensure that drainage piping is connected properly.

If the drainage piping is not connected properly,

it may cause water leakage which will dampen

the furniture.

Do not overcharge the unit.

This unit is factory pre-charged. Overcharge will

cause over-current or damage to the compressor.

Ensure that the unit’s panel is closed after service

or installation.

Unsecured panels will cause the unit to operate

noisily.

Sharp edges and coil surfaces are potential

locations which may cause injury hazards. Avoid

from being in contact with these places.

Before turning off the power supply, set the remote

controller’s ON/OFF switch to the “OFF” position

to prevent the nuisance tripping of the unit. If this is

not done, the unit’s fans will start turning automatically

when power resumes, posing a hazard to service

personnel or the user.

Do not operate any heating apparatus too close to the

air conditioner unit. This may cause the plastic panel to

melt or deform as a result of the excessive heat.

Ensure the color of wires of the outdoor unit and

the terminal markings are same to the indoors

respectively.

IMPORTANT : DO NOT INSTALL OR USE THE

AIR CONDITIONER UNIT IN A LAUNDRY ROOM.

Do not use joined and twisted wires for incoming

power supply.

•

NOTICE

Disposal requirements

Your air conditioning product is marked with this symbol. This means that electrical and electronic products

shall not be mixed with unsorted household waste.

Do not try to dismantle the system yourself: the dismantling of the air conditioning system, treatment of

the refrigerant, of oil and of other parts must be done by a qualiﬁ ed installer in accordance with relevant

local and national legislation. Air conditioners must be treated at a specialized treatment facility for re-use,

recycling and recovery. By ensuring this product is disposed of correctly, you will help to prevent potential

negative consequences for the environment and human health. Please contact the installer or local authority

for more information.

Batteries must be removed from the remote controller and disposed of separately in accordance with relevant

local and national legislation.

10

A5LCY-E-2010 Application Information

Installation Diagram

A

Screws

(M4 × 16L)

Service lid

Opening service lid

Service lid is opening/closing type.

Opening method

1) Remove the service lid screws.

2) Pull out the service lid diagonally

down in the direction of the arrow.

3) Pull down.

Wrap the insulation pipe with

the finishing tape from bottom

to top.

Cut thermal insulation

pipe to an appropriate

length and wrap it with

tape, making sure that no

gap is left in the insulation

pipe’s cut line.

Caulk

pipe hole

gap

with putty.

Mounting

plate

Clip

Mark (rear side)

Bottom frame

Front grille

How to attach the indoor unit

Hook the claws of the bottom frame

to the mounting plate.

If the claws are difficult to hook,

remove the front grille.

How to remove the indoor unit

Push up the marked area (at the

lower part of the front grille) to

release the claws. If it is difficult to

release, remove the front grille.

The mounting plate

should be installed on a

wall which can support the

weight of the indoor unit.

30mm or more from ceiling

Front panel

50mm or more from walls

(on both sides)

Air filters

Titanium apatite photocatalytic

air-purifying filter (2)

A Mounting plate

B Mounting plate

fixing screw

(M4 × 25L)

Air filter

Titanium apatite

photocatalytic

air-purifying filter

Filter frame

Ta b

C

F Fixing screw for remote

controller holder

(M3 × 20L)

D

Wireless remote

controller

E

Remote

controller holder

Before screwing the

remote controller

holder to the wall,

make sure that

control signals are

properly received by

indoor unit.

11

Application Information A5LCY-E-2010

Indoor Unit Installation

1. Installing the mounting plate

The mounting plate should be installed on a wall which can support the weight of the indoor unit.

1) Temporarily secure the mounting plate to the wall, make sure that the panel is completely level, and mark

the boring points on the wall.

2) Secure the mounting plate to the wall with screws.

Recommended mounting plate retention spots and dimensions

•

770

Use tape measure

as shown.

Position the end of

a tape measure at 

Keep here the piece cut out

from the unit for piping

unit: mm

Gas pipe end

* The removed pipe port cover can be

kept in the mounting plate pocket.

Removed pipe

port cover

A

Mounting plate

Through-

the-wall

hole Ǿ65mm

Recommended mounting plate

retention spots (5 spots in all)

Place a leveler

on raised tab.

41.3

241.7

54

330.5

241.7

160

54.5

50160

101120.5

331

203 247

Drain hose

position

Liquid pipe end

CAUTION

Set the piping length from

1.5m to 15m.

Wrap the insulation pipe with

the finishing tape from bottom

to top.

In sites with poor drainage, use

block bases for outdoor unit.

Adjust foot height until the unit

is leveled. Otherwise, water

leakage or pooling of water may

occur.

Where there is a danger of the unit

falling, use foot bolts, or wires.

Allow space for piping

and electrical servicing.

250mm from wall

unit: mm

O.D. 9.5mm

Gas pipe

Liquid pipe

O.D. 6.4mm

20g/m

Max. allowable length

12m

15m

Max. allowable height

Additional refrigerant

required for refrigerant

pipe exceeding

10m in length.

*

Be sure to add the proper amount of additional refrigerant.

Failure to do so may result in reduced perfomance.

*

The suggested shortest pipe length is 1.5m, in order to avoid

noise from the outdoor unit and vibration.

(Mechanical noise and vibration may occur depending on how

the unit is installed and the environment in which it is used.)

1.5m

Min. allowable length

470

(Foot bolt-hole centres)

(From unit’s side)

96

(Foot bolt-hole

centres)

300

How to remove the stop

valve cover

Remove the screw on the

stop valve cover.

Slide the lid downward

to remove it.

How to attach the stop

valve cover

Insert the upper part of

the stop valve cover into the

outdoor unit to install.

Tighten the screws.

Stop valve cover

*

12

A5LCY-E-2010 Application Information

2. Boring a wall hole and installing wall embedded pipe

For walls containing metal frame or metal board, be sure to use

a wall embedded pipe and wall cover in the feed-through hole to

prevent possible heat, electrical shock, or ﬁ re.

Be sure to caulk the gaps around the pipes with caulking material to

prevent water leakage.

1) Bore a feed-through hole of 65mm in the wall so it has a down

slope toward the outside.

2) Insert a wall pipe into the hole.

3) Insert a wall cover into wall pipe.

4) After completing refrigerant piping, wiring, and drain piping, caulk

pipe hole gap with putty.

3. Installing indoor unit

In the case of bending or curing refrigerant pipes, keep the following

precautions in mind.

Abnormal sound may be generated if improper work is conducted.

1) Do not strongly press the refrigerant pipes onto the bottom frame.

2) Do not strongly press the refrigerant pipes on the front grille, either.

3-1. Right-side, right-back, or right-bottom piping

1) Attach the drain hose to the underside of the refrigerant

pipes with an adhesive vinyl tape.

2) Wrap the refrigerant pipes and drain hose together with an

insulation tape.

3) Pass the drain hose and refrigerant pipes through the

wall hole, then set the indoor unit on the mounting plate

hooks by using the markings at the top of the indoor unit

as a guide.

4) Open the front panel, then open the service lid.

(Refer to installation tips.)

5) Pass the inter-unit wiring from the outdoor unit through the

feedthrough wall hole and then through the back of the

indoor unit.

Pull them through the front side. Bend the ends of tie

wires upward for easier work in advance. (If the inter-unit

wiring ends are to be stripped ﬁ rst, bundle wire ends with

adhesive tape.)

6) Press the bottom frame of the indoor unit with both hands

to set it on the mounting plate hooks. Make sure the wires

do not catch on the edge of the indoor unit.

•

Inside Outside

Caulking

Wall embedded pipe

(field supply)

Wall hole cover

(field supply)

Wall embedded pipe

(field supply)

φ

65

1)

2)

Right-bottom

piping

Right-back piping

Bind coolant pipe

and drain hose

together with

insulating tape.

Remove pipe port cover

here for right-side piping.

Remove pipe port cover

here for right-bottom piping.

Mounting plate

A

Wire guide

When stripping the

ends of inter-unit wiring

in advance, bind right ends

of wires with insulating tape.

Hang indoor unit’s hook here.

Inter-unit wiring

Mounting plate

A

13

Application Information A5LCY-E-2010

Remove pipe port cover here for left-bottom piping.

Remove pipe

port cover

here for left-

side piping.

Left-bottom piping

Left-side

piping

Left-back

piping

3-2. Left-side, left-back, or left-bottom piping

How to replace the drain plug and drain hose

• Replacing onto the left side

1) Remove the insulation ﬁ xing screw on the

right and remove the drain hose.

2) Remove the drain plug on the left side

and attach it to the right side.

3) Insert the drain hose and tighten with

included insulation ﬁ xing screw.

* (Forgetting to tighten this may cause water

leakages.)

Drain hose attachment position

* The drain hose is on the back of the unit.

Front side of unit

Attachment on the right side (factory default)

Attachment on the left side

esohniarDesohniarD

Insulation

fixing screw

Right sideLeft side

Insulation

fixing screw

1) Attach the drain hose to the underside of the refrigerant pipes

with adhesive vinyl tape.

2) Be sure to connect the drain hose to the drain port in place of a

drain plug.

3) Shape the refrigerant pipe along the pipe

path marking on the mounting plate.

4) Pass drain hose and refrigerant pipes

through the wall hole, then set the indoor

unit on mounting plate hooks, using the

markings at the top of indoor unit as a

guide.

5) Pull in the inter-unit wiring.

6) Connect the inter-unit piping.

7) Wrap the refrigerant pipes and drain hose together with insulation tape

as right ﬁ gure, in case of setting the drain hose through the back of the

indoor unit.

8) While exercising care so that the inter-unit wiring do not catch indoor

unit, press the bottom edge of indoor unit with both hands until it is

ﬁ rmly caught by the mounting plate hooks. Secure indoor unit to the

mounting plate with indoor unit ﬁ xing screws (M4 × 12L).

3-3.Wall embedded piping

Follow the instructions given under left-side, left-back, or left-bottom

piping.

1) Insert the drain hose to this depth so it won’t be pulled out of the

drain pipe.

How to set drain plug.

No gap.

Do not apply lubricating

oil (refrigeration oil)

when inserting.

Application of causes

deterioration and drain

leakage of the plug.

Insert a hexagonal wrench (4mm).

Drain

hose

Caulk this hole

with putty or

caulking material.

Bind with vinyl

tape.

A

Mounting plate

Wrap insulating tape around the

bent portion of refrigerant pipe.

Overlap at least half the width of

the tape with each turn.

Refrigerant

pipes

Drain hose

Bottom frame

H Indoor unit fixing screw

M4  12L (2 point)

Mounting

plate

A

Inter-unit wiring

Inner wall

Vinyl chloride

drain pipe

(VP-30)

Drain hose50mm

or more

Insert drain hose

to this depth so

it won’t be pulled

out of drain pipe.

Outer wall

14

A5LCY-E-2010 Application Information

4. Wiring

1) STRIP WIRE ENDS (15MM).

2) MATCH WIRE COLOURS WITH TERMINAL NUMBERS ON INDOOR AND OUTDOOR UNIT’S TERMINAL BLOCKS AND FIRMLY SCREW

WIRES TO THE CORRESPONDING TERMINALS.

3) CONNECT THE EARTH WIRES TO THE CORRESPONDING TERMINALS.

4) PULL WIRES TO MAKE SURE THAT THEY ARE SECURELY LATCHED UP, THEN RETAIN WIRES WITH WIRE RETAINER.

5) IN CASE OF CONNECTING TO AN ADAPTER SYSTEM. RUN THE REMOTE CONTROL CABLE AND ATTACH THE S21. (REFER TO

5. WHEN CONNECTING TO A WIRED REMOTE CONTROLLER.)

6) SHAPE THE WIRES SO THAT THE SERVICE LID FITS SECURELY, THEN CLOSE SERVICE LID.

WARNING

Do not use tapped wires, stranded wires, extension cords, or starburst connections, as they may cause

overheating, electrical shock, or ﬁ re.

Do not use locally purchased electrical parts inside the product. (Do not branch the power for the drain

pump, etc., from the terminal block.) Doing so may cause electric shock or ﬁ re.

•

123

Terminal block

Electrical component box

Wire retainer

Use the specified

wire type.

Shape wires so that the

service lid will fit securely.

Firmly secure wire retainer so that

wires sustain no external stress.

1

2

3

123 LN

Use 2.0mm diameter wires.

H05RN

Firmly fix the wires with

the terminal screws.

Outdoor unit

Indoor

unit

Firmly fix the wires with

the terminal screws.

15

Application Information A5LCY-E-2010

5. Drain piping

1) CONNECT THE DRAIN HOSE, AS DESCRIBED RIGHT.

2) Remove the air ﬁ lters and pour some water into the drain pan to check the water

ﬂ ows smoothly.

3) If drain hose extension or embedded drain piping is required, use appropriate parts that match the hose front

end. [Figure of hose front end]

4) When extending the drain hose, use a commercially

available extension hose with an inner diameter of

16mm. Be sure to thermally insulate the indoor section

of the extension hose.

5) When connecting a rigid polyvinyl chloride

pipe (nominal diameter 13mm) directly to

the drain hose attached to the indoor unit

as with embedded piping work, use any

commercially available drain socket

(nominal diameter 13mm) as a joint.

The drain hose should

be inclined downward.

No trap is permitted.

Do not put the end

of the hose in water.

φ18φ16

φ16

The drain hose provided

to indoor unit.

Indoor unit

drain hose

φ16

Extension drain hose

Heat insulation tube

(field supply)

Commercially available drain

socket

(nominal diameter 13mm)

Commercially available rigid

polyvinyl chloride pipe

(nominal diameter 13mm)

The drain hose provided

to indoor unit.

φ18

16

A5LCY-E-2010 Application Information

05nahteroM05nahteroM

More than 150

More

than 100

More than 50 More than 100

Side view

1200

or less

Wall facing one side Walls facing two sides

Top view

unit: mm

More than 150

More than 300

More than 50

Walls facing three sides

Outdoor Unit Installation

Where a wall or other obstacle is in the path of outdoor unit’s intake or exhaust airﬂ ow, follow the

installation guidelines below.

For any of the below installation patterns, the wall height on the exhaust side should be 1200mm or less.

Pump Down Operation

In order to protect the environment, be sure to pump down when relocating or disposing of the unit.

1) Remove the valve cap from liquid stop valve and gas stop valve.

2) Carry out forced cooling operation.

3) After 5 to 10 minutes, close the liquid stop valve with a hexagonal wrench.

4) After 2 to 3 minutes, close the gas stop valve and stop forced cooling operation.

How to forced cooling operation mode

■ Using the indoor unit ON/OFF button

Press the indoor unit ON/OFF button for at least 5 seconds. (Operation will start.)

• Forced cooling operation will stop automatically after around 15 minutes.

To force a trial operation to stop, press the indoor unit ON/OFF button.

■ Using the main unit’s remote controller

1) Press “ON/OFF” button to turn on the system.

2) Press “TEMP” button (2 locations) and “MODE” button at the same time.

3) Press “MODE” button twice and select “ ”.

4) Trial operation terminates in approx. 30 minutes and switches into normal mode. To quit a trial operation,

press “ON/OFF” button.

CAUTION

When pressing the switch, do not touch the terminal block. It has a high voltage, so doing so may cause

electric shock.

After closing the liquid stop valve, close the gas stop valve within 3 minutes, then stop the forced

operation.

•

Gas

stop valve

Valve cap

Hexagonal

wrench

Close

Liquid

stop valve

17

Application Information A5LCY-E-2010

1

2

3

123

LN

Safety

breaker

16A

Earth leakage

circuit breaker

Earth

H05RN

Firmly fix the wires with

the terminal screws.

Outdoor unit

Indoor

unit

Power supply

50Hz 220-240V

Firmly fix the wires with

the terminal screws.

Use 2.0mm diameter wires.

1

2

3

1

2

3

Use the specified wire type and

connect it securely.

Firmly secure

wire retainer so

wire terminations

will not receive

external stress.

Shape wires so

that the stop

valve cover fit

securely.

Power supply

terminal block

Stranded wire

Round crimp-style

terminal

Electrical Wiring Connection

WARNING

Do not use tapped wires, stranded wires, extension cords, or starburst connections, as they may cause

overheating, electrical shock, or ﬁ re.

Do not use locally purchased electrical parts inside the product. (Do not branch the power for the drain

pump, etc., from the terminal block.) Doing so may cause electric shock or ﬁ re.

Be sure to install an earth leakage breaker. (One that can handle higher harmonics.) (This unit uses an

inverter, which means that it must be used an earth leakage breaker capable handling harmonics in order

to prevent malfunctioning of the earth leakage breaker itself.)

Use an all-pole disconnection type breaker with at least 3mm between the contact point gaps.

Do not turn on the safety breaker until all work is completed.

1) strip the insulation from the wire (20mm).

2) connect the connection wires between the

indoor and outdoor units so that the terminal

numbers match. tighten the terminal screws

securely. we recommend a ﬂ athead

screwdriver be used to tighten the screws.

the screws are packed with the terminal

board.

Observe the notes mentioned below when wiring to the

power supply

terminal board.

Precautions to be taken for power supply wiring.

Use a round crimp-style terminal for connection to the power

supply

terminal board. In case it cannot be used due to unavoidable

reasons, be

sure to observe the following instruction.

Place the round crimp-style terminals on the wires up to the

covered part

and secure in place.

•

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Acson E Series User manual

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Acson E Series User manual

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