Mitsubishi MXZ-8C140VAMD Handleiding

Mitsubishi Airco MXZ-8C140VAMD

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INSTALLATION MANUAL

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

Air-Conditioners OUTDOOR UNIT

MXZ-8C140/160VAMD-A

EnglishEnglish

HFC

utilized

R410A

FOR INSTALLER

Contents

1. Safety precautions

► Before installing the unit, make sure you read all the “Safety precautions”.

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

tion to the system.

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.

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.

• For 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 pres-

sure of usual refrigerants. If pipe components not designed for R410A refrig-

erant are used and the unit is not installed correctly, the pipes may burst and

cause damage 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 incor-

rectly 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.

• Ventilate 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.

• Be sure to connect the power supply cords and the connecting wires for

the indoor units, outdoor units, and branch boxes directly to the units (no

intermediate connections).

Intermediate connections can lead to communication errors if water enters

the cords or wires and causes insufcient insulation to ground or a poor

electrical contact at the intermediate connection point.

(If an intermediate connection is necessary, be sure to take measures to

prevent water from entering the cords and wires.)

• 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 outdoor unit, use only the

specied refrigerant (R410A) to change 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 pres-

sure 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 location.

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.

1.1. 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

explosion may result.

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.

• 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 communi-

cations equipment, harming the screen display quality.

1.2. Before installation (relocation)

Caution:

• Be extremely careful when transporting the units. 2 or more persons are

needed to handle the unit, as it weighs 20 kg or more. Do not grasp the pack-

aging 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 the edge of 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.

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 “7. Electrical work”. Grounding lead wire ( 2)×

1. Safety precautions 2

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2. Installation diagram & parts 3

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3. Installation location 4

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4. Installing the outdoor unit 6

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5. Installing the refrigerant piping 6

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6. Drainage piping work 10

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

7. Electrical work 10

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

8. Test run 17

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

9. Special Functions 18

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2.1. Before installation (Fig. 2-1)

This installation manual is only for the outdoor unit installation. In installing

the indoor units and branch box, refer to the installation manual attached

to each unit.

Any structural alterations necessary for the installation must comply with the local

building code requirements.

This diagram is intended to show the conguration of accessories.

For actual installation, the outdoor unit is to be turned 180°.

Units should be installed by licensed contractor according to local code requirement.

Note:

The dimensions given along the arrows above are required to guarantee the

air conditioner’s performance. Install the unit in as wide a place as possible

for later service or repairs.

Parts to be locally procured

Branch box/outdoor unit connecting wire (3-core) 1

Extension pipe 1

Wall hole sleeve 1

Wall hole cover 1

Pipe xing band

(The quantity depends on the pipe length.) 2 to 7

Fixing screw for 4 × 20 mm

(The quantity depends on the pipe length.) 2 to 7

Piping tape 1

Putty 1

Refrigeration oil 1

Power supply cord (2-core, Refer to 7.3. Wiring transmission cables) 1

1.3. Before electric work

Caution:

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

IMPORTANT

Make sure that the current leakage breaker is one compatible with higher

harmonics.

Always use a current leakage breaker that is compatible with higher har-

monics as this unit is equipped with an inverter.

The use of an inadequate breaker can cause the incorrect operation of in-

verter.

• 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.

• 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.

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 dam-

age 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.

• 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.

• After stopping operation, be sure to wait at least 5 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 dete-

rioration 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

• Be sure to use the correct tools. If dust, debris, or moisture enters the refrig-

erant lines, refrigeration oil deterioration may result.

• Do not use a charging cylinder. If a charging cylinder is used, the composi-

tion of the refrigerant will change and the efciency will be lowered.

1. Safety precautions

2. Installation diagram & parts

Fig. 2-1

Outdoor unit

Branch box

5-branches type

3-branches type

Product specificaties

Merk:	Mitsubishi
Categorie:	Airco
Model:	MXZ-8C140VAMD

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