Mitsubishi Electric PUMY-P112, PUMY-P125, PUMY-P140VKM, PUMY-P140YKM, PUMY-P112YKM Installation Manual

MONTÖR İÇİN

ДЛЯ УСТАНОВИТЕЛЯ

TIL INSTALLATØREN

FÖR INSTALLATÖREN

PARA O INSTALADOR

ΓΙΑ ΑΥΤΟΝ ΠΟΥ ΚΑΝΕΙ ΤΗΝ ΕΓΚΑΤΑΣΤΑΣΗ

PER L’INSTALLATORE

PARA EL INSTALADOR

VOOR DE INSTALLATEUR

POUR L’INSTALLATEUR

FÜR INSTALLATEURE

FOR INSTALLER

Air-Conditioners
PUMY-P112, P125, P140VKM
PUMY-P112, P125, P140YKM

For use with R410A

Eλληνικά (GR)

INSTALLATION MANUAL

For safe and correct use, read this manual and the indoor unit installation manual thoroughly before installing
the air-conditioner unit.

РУКОВОДСТВО ПО УСТАНОВКЕ

Для обеспечения безопасной и надлежащей эксплуатации внимательно прочтите данное руководство
и руководство по установке внутреннего прибора перед установкой кондиционера.

INSTALLATIONSHANDBUCH

Aus Sicherheitsgründen und zur richtigen Verwendung vor der Installation die vorliegende Bedienungsanleitung
und die Installationsanleitung der Innenanlage gründlich durchlesen die Klimaanlage.

MANUEL D’INSTALLATION

Avant d’installer le climatiseur, lire attentivement ce manuel, ainsi que le manuel d’installation de l’appareil
intérieur pour une utilisation sûre et correcte.

INSTALLATIEHANDLEIDING

Lees deze handleiding en de installatiehandleiding van het binnenapparaat zorgvuldig door voordat u met het
installeren van de airconditioner begint.

MANUAL DE INSTALACIÓN

Para un uso correcto y seguro, lea detalladamente este manual y el manual de instalación de la unidad interior
antes de instalar la unidad de aire acondicionado.

MANUALE DI INSTALLAZIONE

Per un uso sicuro e corretto, leggere attentamente il presente manuale ed il manuale d’installazione dell’unità
interna prima di installare il condizionatore d’aria.

EΓΧEIPIΔIO OΔHΓIΩN EΓKATAΣTAΣHΣ

Για σωστή και ασφαλή χρήση, διαβάστε προσεκτικά αυτό το εγχειρίδιο καθώς και το εγχειρίδιο εγκατάστασης
της εσωτερικής μονάδας, προτού εγκαταστήσετε τη μονάδα του κλιματιστικού.

MANUAL DE INSTALAÇÃO

Para uma utilização segura e correcta, leia atentamente este manual e o manual de instalação da unidade
interior antes de instalar o aparelho de ar condicionado.

INSTALLATIONSMANUAL

Læs af sikkerhedshensyn denne manual samt manualen til installation af indendørsenheden grundigt, før du
installerer klimaanlægget.

INSTALLATIONSMANUAL

Läs bruksanvisningen och inomhusenhetens installationshandbok noga innan luftkonditioneringen installeras
så att den används på ett säkert och korrekt sätt.

MONTAJ ELKİTABI

Emniyetli ve doğru kullanım için, klima cihazını monte etmeden önce bu kılavuzu ve iç ünite montaj kılavuzunu
tamamıyla okuyun.

Türkçe (TR)

Русский (RU)

English (GB)

Deutsch (D)

Français (F)

Nederlands (NL)

Español (E)

Italiano (I)

Português (P)

Dansk (DA)

Svenska (SW)

2

Warning:

• The unit must not be installed by the user. Ask a dealer or an authorized
technician to install the unit. If the unit is installed incorrectly, water leakage,

electric shock, or re may result.

• This

appliance is intended to be used by expert or trained users in shops, in

light industry and on farms, or for commercial use by lay persons.

• F

or installation work, follow the instructions in the Installation Manual and use

tools and pipe components specically made for use with R410A refrigerant.
The R410A refrigerant in the HFC system is pressurized 1.6 times the pressure
of usual refrigerants. If pipe components not designed for R410A refrigerant are

used and the unit is not installed correctly, the pipes may burst and cause dam-

age or injuries. In addition, water leakage, electric shock, or re may result.

•

The

unit must be installed according to the instructions in order to minimize
the risk of damage from earthquakes, typhoons, or strong winds. An incor­rectly installed unit may fall down and cause damage or injuries.

• The

unit must be securely installed on a structure that can sustain its weight.
If the unit is mounted on an unstable structure, it may fall down and cause
damage or injuries.

• If

the air conditioner is installed in a small room, measures must be taken to
prevent the refrigerant concentration in the room from exceeding the safety
limit in the event of refrigerant leakage. Consult a dealer regarding the appro­priate measures to prevent the allowable concentration from being exceeded.
Should the refrigerant leak and cause the concentration limit to be exceeded,
hazards due to lack of oxygen in the room may result.

•

V

entilate the room if refrigerant leaks during operation. If refrigerant comes

into contact with a ame, poisonous gases will be released.

• All

electric work must be performed by a qualied technician according to

local regulations and the instructions given in this manual. The units must be
powered by dedicated power lines and the correct voltage and circuit breakers

must be used. Power lines with insufcient capacity or incorrect electrical
work may result in electric shock or re.

• Use

C1220 copper phosphorus, for copper and copper alloy seamless pipes,

to connect the refrigerant pipes. If the pipes are not connected correctly, the
unit will not be properly grounded and electric shock may result.

• Use only specied cables for wiring. The wiring connections must be made

securely with no tension applied on the terminal connections. Also, never
splice the cables for wiring (unless otherwise indicated in this document).

Failure to observe these instructions may result in overheating or a re.

•

The

terminal block cover panel of the outdoor unit must be rmly attached. If

the cover panel is mounted incorrectly and dust and moisture enter the unit,

electric shock or re may result.

• When

installing or relocating, or servicing the air conditioner, use only the

specied refrigerant (R410A) to charge the refrigerant lines. Do not mix it with

any other refrigerant and do not allow air to remain in the lines.

If

air

is mixed with the refrigerant, then it can be the cause of abnormal high
pressure in the refrigerant line, and may result in an explosion and other
hazards.

The use of any refrigerant other than that specied for the system will cause

mechanical failure or system malfunction or unit breakdown. In the worst case,
this could lead to a serious impediment to securing product safety.

• Use only accessories authorized by Mitsubishi Electric and ask a dealer or an
authorized technician to install them. If accessories are incorrectly installed,

water leakage, electric shock, or re may result.

•

Do

not alter the unit. Consult a dealer for repairs. If alterations or repairs are

not performed correctly, water leakage, electric shock, or re may result.

• The

user should never attempt to repair the unit or transfer it to another loca-

tion. If the unit is installed incorrectly, water leakage, electric shock, or re

may result. If the air conditioner must be repaired or moved, ask a dealer or
an authorized technician.

•

After

installation has been completed, check for refrigerant leaks. If refriger-

ant leaks into the room and comes into contact with the ame of a heater or

portable cooking range, poisonous gases will be released.

1. Safety precautions

► Before installing the unit, make sure you read all the “Safety precau-

tions”.

► Please report to or take consent by the supply authority before connec-

tion to the system.

►

Equipment complying with IEC/EN 61000-3-12

► PUMY

-P·VKM series is designed for use in the residential, commercial

and light-industrial environment.

►

PUMY-P·YKM series is designed as professional equipment.

Warning:

Describes precautions that must be observed to prevent danger of injury or

death to the user.

Caution:

Describes precautions that must be observed to prevent damage to the unit.

After installation work has been completed, explain the “Safety Precautions,” use, and
maintenance of the unit to the customer according to the information in the Operation
Manual and perform the test run to ensure normal operation. Both the Installation
Manual and Operation Manual must be given to the user for keeping. These manuals
must be passed on to subsequent users.

: Indicates a part which must be grounded.

Warning:

Carefully read the labels afxed to the main unit.

Conrmation of parts attached

In addition to this manual, the following parts are supplied with the outdoor unit.
They are used for grounding the S terminals of transmission terminal blocks TB3,
TB7. For details refer to “6. Electrical work”.

Grounding lead wire with a ferrite core for TB3

Note: This symbol mark is for EU countries only.
This symbol mark is according to the directive 2002/96/EC Article 10 Information for users and Annex IV.

Your MITSUBISHI ELECTRIC product is designed and manufactured with high quality materials and components which can be recycled and reused.
This symbol means that electrical and electronic equipment, at their end-of-life, should be disposed of separately from your household waste.
Please, dispose of this equipment at your local community waste collection/recycling centre.
In the European Union there are separate collection systems for used electrical and electronic product.
Please, help us to conserve the environment we live in!

Caution:

• Do not vent R410A into the Atmosphere:

• R410A is a Fluorinated Greenhouse gas, covered by the Kyoto Protocol, with a Global Warming Potential (GWP)=1975.

Contents

1. Safety precautions .....................................................................................2

2. Installation location ....................................................................................4

3. Installing the outdoor unit ..........................................................................6

4. Installing the refrigerant piping ..................................................................6

5. Drainage piping work .................................................................................9

6. Electrical work ...........................................................................................9

7. T

est run ....................................................................................................13

<PUMY-P112-140YKM>

<PUMY-P112-140VKM>

Grounding lead wire (× 2)

Grounding lead wire without a ferrite core for TB7

3

1. Safety precautions

1.3. Before electric work

Caution:

• Be sure to install circuit breakers. If not installed, electric shock may result.

• For the power lines, use standard cables of sufcient capacity. Otherwise, a
short circuit, overheating, or re may result.

• When

installing the power lines, do not apply tension to the cables. If the

connections are loosened, the cables can snap or break and overheating or

re may result.

1.4. Before starting the test run

Caution:

• Turn on the main power switch more than 12 hours before starting operation.

Starting operation just after turning on the power switch can severely damage
the internal parts. Keep the main power switch turned on during the operation
season.

• Before

starting operation, check that all panels, guards and other protective

parts are correctly installed. Rotating, hot, or high voltage parts can cause

injuries.

• Do not touch any switch with wet hands. Electric shock may result.

•

Be sure to ground the unit. Do not connect the ground wire to gas or water

pipes, lighting rods, or telephone grounding lines. If the unit is not properly
grounded, electric shock may result.

• Use

circuit breakers (ground fault interrupter, isolating switch (+B fuse), and

molded case circuit breaker) with the specied capacity. If the circuit breaker
capacity is larger than the specied capacity, breakdown or re may result.

• Do not touch the refrigerant pipes with bare hands during operation. The
refrigerant pipes are hot or cold depending on the condition of the owing

refrigerant. If you touch the pipes, burns or frostbite may result.

•

A

fter stopping operation, be sure to wait at least ve minutes before turning off

the main power switch. Otherwise, water leakage or breakdown may result.

1.5. Using R410A refrigerant air conditioners

Caution:

• Use C1220 copper phosphorus, for copper and copper alloy seamless pipes,

to connect the refrigerant pipes. Make sure the insides of the pipes are clean
and do not contain any harmful contaminants such as sulfuric compounds,

oxidants, debris, or dust. Use pipes with the specied thickness. (Refer to
page 6) Note the following if reusing existing pipes that carried R22 refriger-

ant.

-

Replace

theexistingarenutsandarethearedsectionsagain.

- Do not use thin pipes. (Refer to page 6)

• Store the pipes to be used during installation indoors and keep both ends of
the pipes sealed until just before brazing. (Leave elbow joints, etc. in their
packaging.) If dust, debris, or moisture enters the refrigerant lines, oil dete­rioration or compressor breakdown may result.

•

Use

ester oil, ether oil, alkylbenzene oil (small amount) as the refrigeration

oil applied to the ared sections. If mineral oil is mixed in the refrigeration

oil, oil deterioration may result.

• Do

not use refrigerant other than R410A refrigerant. If another refrigerant is

used, the chlorine will cause the oil to deteriorate.

• Use

the following tools specically designed for use with R410A refrigerant.

The following tools are necessary to use R410A refrigerant. Contact your

nearest dealer for any questions.

Tools (for R410A)

Gauge manifold Flare tool

Charge hose Size adjustment gauge

Gas leak detector Vacuum pump adapter

Torque wrench Electronic refrigerant charging scale

• B

e sure to use the correct tools. If dust, debris, or moisture enters the refriger-

ant lines, refrigeration oil deterioration may result.

• D

o not use a charging cylinder. If a charging cylinder is used, the composition

of the refrigerant will change and the efciency will be lowered.

1.2. Before installation (relocation)

Caution:

• Be extremely careful when transporting the units. Two or more persons are
needed to handle the unit, as it weighs 20 kg or more. Do not grasp the pack­aging bands. Wear protective gloves to remove the unit from the packaging

and to move it, as you can injure your hands on the ns or other parts.

• Be

sure to safely dispose of the packaging materials. Packaging materials, such

as nails and other metal or wooden parts may cause stabs or other injuries.

• The

base and attachments of the outdoor unit must be periodically checked
for looseness, cracks or other damage. If such defects are left uncorrected,
the unit may fall down and cause damage or injuries.

• Do not clean the air conditioner unit with water

. Electric shock may result.

• Tighten all are nuts to specication using a torque wrench. If tightened too
much, the are nut can break after an extended period and refrigerant can

leak out.

1.1. Before installation

Caution:

• Do not use the unit in an unusual environment. If the air conditioner is installed

in areas exposed to steam, volatile oil (including machine oil), or sulfuric gas,
areas exposed to high salt content such as the seaside, or areas where the

unit will be covered by snow, the performance can be signicantly reduced

and the internal parts can be damaged.

• Do

not install the unit where combustible gases may leak, be produced, ow,

or accumulate. If combustible gas accumulates around the unit, re or explo-

sion may result.

• The

outdoor unit produces condensation during the heating operation. Make
sure to provide drainage around the outdoor unit if such condensation is likely
to cause damage.

• When installing the unit in a hospital or communications ofce, be prepared for

noise and electronic interference. Inverters, home appliances, high-frequency
medical equipment, and radio communications equipment can cause the air
conditioner to malfunction or breakdown. The air conditioner may also affect
medical equipment, disturbing medical care, and communications equipment,
harming the screen display quality.

4

2. Installation location

2.1. Refrigerant pipe

Refer to Fig. 4-1.

2.2. Choosing the outdoor unit installation location

• Avoid locations exposed to direct sunlight or other sources of heat.

• Select a location from which noise emitted by the unit will not inconvenience neigh­bors.

• Select

a location permitting easy wiring and pipe access to the power source and

indoor unit.

• A

voidlocationswherecombustiblegasesmayleak,beproduced,ow,oraccumu-

late.

• Note that water may drain from the unit during operation.

•

Select a level location that can bear the weight and vibration of the unit.

• Avoid locations where the unit can be covered by snow. In areas where heavy snow
fall is anticipated, special precautions such as raising the installation location or
installing a hood on the air intake must be taken to prevent the snow from block-

ingthe

airintakeorblowingdirectlyagainstit.Thiscanreducetheairowanda

malfunction may result.

• A

void locations exposed to oil, steam, or sulfuric gas.

• Use the transportation handles of the outdoor unit to transport the unit. If the unit

iscarriedfromthebottom,handsorngersmaybepinched.

2.3. Outline dimensions (Outdoor unit) (Fig. 2-1)

Constraints on indoor unit installation

You should note that indoor units that can be connected to this outdoor unit are the
following models.

• Indoor

units with model numbers 15-140 (PUMY-P112:15-125) can be connected.

Refer to the table 1 below for possible room, indoor unit combinations.

Verication

The rated capacity should be determined by observing the table below. The unit’s
quantities are limited as shown in the following table 2. For the next step, make
sure that the total rated capacity selected will stay in a range of 50% - 130% of the
outdoor unit capacity.

•

PUMY-P112 6.3 - 16.2 kW

• PUMY-P125 7.1 - 18.2 kW

• PUMY-P140 8.0 - 20.2 kW

Table 1-1 (P*FY series (For Building Application indoor unit))

Indoor unit type

P15 P20 P25 P32 P40 P50 P63 P71 P80 P100 P125 P140

Rated capacity
(Cooling) (kW)

1.7 2.2 2.8 3.6 4.5 5.6 7.1 8.0 9.0 11.2 14.0 16.0

Table 1-2 (M*Z series)

Indoor unit type

15 20 22 25 35 42 50 60 71 80

Rated capacity
(Cooling) (kW)

1.5 2.0 2.2 2.5 3.5 4.2 5.0 6.0 7.1 8.0

Combinations in which the total capacity of indoor units exceeds the capacity of the
outdoor unit will reduce the cooling capacity of each indoor unit below their rated
cooling capacity. Thus, combine indoor units with an outdoor unit within the outdoor
unit’s capacity, if possible.

* Only

when all the indoor units are 1.7 kW models, 12 indoor units can be connected

to 1 outdoor unit.

2.4. Connecting a PWFY Unit

When using a PWFY unit as an indoor unit, be aware of the following points
because the PWFY unit is different from other indoor units.

2.4.1. Connection restrictions

• Only 1 PWFY-P100VM-E-AU can be connected. PWFY-P200VM-E-AU and PWFY­P100VM-E-BU cannot be connected.

• The

PWFY unit cannot be the only unit connected to an outdoor unit. Select an
outdoor unit so that the total rated capacity of the indoor units, excluding the PWFY
unit, is 50–100% of the outdoor unit capacity.

Limits for the total rated capacity of the indoor units when connecting a PWFY unit

• PUMY

-P112 (1 PWFY unit + Non-PWFY units [6.3–12.5 kW])

• PUMY-P125 (1 PWFY unit + Non-PWFY units [7.1–14.0 kW])

• PUMY-P140 (1 PWFY unit + Non-PWFY units [8.0–15.5 kW])

2.4.2. Indoor unit specications

When connecting a PWFY unit to a PUMY unit, the following specications will

change.

• The

PWFY unit can operate only in heating mode. The PWFY unit cannot operate
in cooling mode. However, the indoor units other than the PWFY unit can operate
in cooling mode.

• The other indoor units cannot operate at the same time as the PWFY

unit.

• The operation of the PWFY unit has priority. When the PWFY unit is in the operation
mode, the other indoor units will stop.

• The

temperature setting of the remote controller is the target value for the outlet

water temperature.

2.4.3. Switch settings (Fig. 2-2)

When connecting a PWFY unit to a PUMY unit, set DIP switches SW1-1, SW4-2, and
SW4-6 of the PWFY unit to ON.

2.4.4. Test run

If the test run is carried out using the outdoor unit switches, the PWFY unit will
not operate. Carry out the test run using the PWFY unit switches or the remote
controller.
For information about carrying out the test run, refer to the data book or the service
manual for the PWFY unit.

2.4.5. Refrigerant collecting (Pump down)

Step 1 in the pump down procedure instructs the user to “operate all indoor units
in cooling mode”. However, the PWFY unit will not operate in cooling mode.
Operate all of the indoor units, excluding the PWFY unit, in cooling mode.

Fig. 2-1

Table 3 PWFYunitspecications

Model PWFY-P100VM-E-AU

Temp. range of

Heating

Outdoor temp. –15 to 21°C (DB), –15 to 15°C (WB)
Inlet Water temp. 10 to 45°C

Temp. range of

Cooling

Outdoor temp. –
Inlet Water temp. –

SW1

1 2 3 4 5 6 7 8 9 10

ON

SW4

1 2 3 4 5 6 7 8 9 10

ON

Fig. 2-2

(mm)

330+30

370

1050

225

600

1338

Table 2

Connectable indoor units quantities
PUMY-P112 1-9
PUMY-P125 1-10
PUMY-P140 1-12*

5

2. Installation location

Fig. 2-4

Fig. 2-8

Fig. 2-9

Fig. 2-10

Fig. 2-11 Fig. 2-12

Fig. 2-13 Fig. 2-14 Fig. 2-15

Fig. 2-7

Fig. 2-6Fig. 2-5Fig. 2-3

150

200

300

200

1000

150

1000

300

1500

1500

500

1000

600

2000

150

1500

600

3000

500

1500

800

150

2.5. Ventilation and service space

2.5.1. When installing a single outdoor unit

Minimum dimensions are as follows, except for Max., meaning Maximum dimen­sions, indicated.

Refer

totheguresforeachcase.

1 Obstacles at rear only (Fig. 2-3)
2 Obstacles at rear and above only (Fig. 2-4)

• Donotinstalltheoptionalairoutletguidesforupwardairow.

3 Obstacles at rear and sides only (Fig. 2-5)
4 Obstacles at front only (Fig. 2-6)

∗ When using an optional air outlet guide, the clearance is 500 mm or more.

5 Obstacles at front and rear only (Fig. 2-7)

∗ When using an optional air outlet guide, the clearance is 500 mm or more.

6 Obstacles at rear, sides, and above only (Fig. 2-8)

• Donotinstalltheoptionalairoutletguidesforupwardairow.

2.5.2. When installing multiple outdoor units

Leave 25 mm space or more between the units.

1 Obstacles at rear only (Fig. 2-9)
2 Obstacles at rear and above only (Fig. 2-10)

• No more than three units must be installed side by side. In addition, leave space as shown.

• Donotinstalltheoptionalairoutletguidesforupwardairow.

3 Obstacles at front only (Fig. 2-11)

∗ When using an optional air outlet guide, the clearance is 1000 mm or more.

4 Obstacles at front and rear only (Fig. 2-12)

∗ When using an optional air outlet guide, the clearance is 1000 mm or more.

5 Single parallel unit arrangement (Fig. 2-13)

∗ Whenusinganoptionalairoutletguideinstalled forupwardairow,theclearance is1000

mm or more.

6 Multiple parallel unit arrangement (Fig. 2-14)

∗ Whenusinganoptionalairoutletguideinstalled forupwardairow,theclearance is1500

mm or more.

7 Stacked unit arrangement (Fig. 2-15)

• The units can be stacked up to two units high.

• No more than two stacked units must be installed side by side. In addition, leave space as shown.

Max.500

500

1000

Max.500

250

250

300

1500

Max.300

1500

500

1500

6

2.5.3. Windy location installation

When installing the outdoor unit on a rooftop or other location unprotected from the
wind, situate the air outlet of the unit so that it is not directly exposed to strong winds.

Strongwind

enteringtheairoutletmayimpedethenormalairowandamalfunction

may result.
The following shows two examples of precautions against strong winds.
1 Install an optional air guide if the unit is installed in a location where strong winds

f

rom a typhoon, etc. may directly enter the air outlet. (Fig. 2-16)

A Air guide

2 Position the unit so that the air outlet blows perpendicularly to the seasonal wind

direction, if possible. (Fig. 2-17)

B Wind direction

Fig. 2-16 Fig. 2-17

2. Installation location

3. Installing the outdoor unit

(mm)

• Be sure to install the unit in a sturdy, level surface to prevent rattling noises during
operation. (Fig. 3-1)

<Foundation

specications>

Foundation bolt M10(3/8″)
Thickness of concrete 120 mm
Length of bolt 70 mm
Weight-bearing capacity 320 kg

• Make

sure that the length of the foundation bolt is within 30 mm of the bottom

surface of the base.

• Secure

the base of theunitrmlywith four-M10 foundation boltsinsturdyloca-

tions.

Installing the outdoor unit

•

Do

not block the vent. If the vent is blocked, operation will be hindered and break-

down may result.

•

In

addition to the unit base, use the installation holes on the back of the unit to
attach wires, etc., if necessary to install the unit. Use self-tapping screws (ø5 × 15
mm or less) and install on site.

Warning:

• The unit must be securely installed on a structure that can sustain its weight.
If the unit is mounted on an unstable structure, it may fall down and cause
damage or injuries.

• The

unit must be installed according to the instructions in order to minimize
the risk of damage from earthquakes, typhoons, or strong winds. An incor­rectly installed unit may fall down and cause damage or injuries.

Fig. 3-1

A M10 (3/8") bolt
B Base
C As long as possible.
D Vent

4. Installing the refrigerant piping

4.1. Precautions for devices that use R410A refriger-

ant

• Refer to page 3 for precautions not included below on using air conditioners
with R410A refrigerant.

• Use

ester oil, ether oil, alkylbenzene oil (small amount) as the refrigeration

oil applied to the ared sections.

• Use

C1220 copper phosphorus, for copper and copper alloy seamless pipes,

to connect the refrigerant pipes. Use refrigerant pipes with the thicknesses

specied in the table to the below. Make sure the insides of the pipes are clean

and do not contain any harmful contaminants such as sulfuric compounds,
oxidants, debris, or dust.

Warning:

When installing or relocating, or servicing the air conditioner, use only the

specied refrigerant (R410A) to charge the refrigerant lines. Do not mix it with

any other refrigerant and do not allow air to remain in the lines.
If air is mixed with the refrigerant, then it can be the cause of abnormal high pres­sure in the refrigerant line, and may result in an explosion and other hazards.

The use of any refrigerant other than that specied for the system will cause

mechanical failure or system malfunction or unit breakdown. In the worst case,
this could lead to a serious impediment to securing product safety.

Indoor unit type 15-50 63-140

Liquid pipe ø6.35 thickness 0.8 mm ø9.52 thickness 0.8 mm

Gas pipe ø12.7 thickness 0.8 mm ø15.88 thickness 1.0 mm

• Do not use pipes thinner than those specied above.

Max.30

600 600Min.475

Min.25

1050

225 225

25

370

330

B

A

D