Trane MWC518 Manuale utente

Indoor Unit

Installation & Operation Manual

Advanced Multi-split System

Cassette Indoor Unit

MWC518/524

R410A

200061360200

April 2012 AMS-SVX02A-EN

2 AMS-SVX02A-EN

Table of Contents

User Notice čččččččččččččččččččččččččččččč 3

Attention ččččččččččččččččččččččččččččččč 4

Unit Model čččččččččččččččččččččččččččččč 6

Unit Components and Names ččččččččččččččččččččč 7

Unit Installation Site Selection and Attentions čččččččččččččč 8

Unit Installation čččččččččččččččččččččččččččč 10

Installation Diagram ččččččččččččččččččččččččččč10

Panel Installationččččččččččččččččččččččččččččč14

Electrical Control Wiring čččččččččččččččččččččččč 19

Electrical Wiring ččččččččččččččččččččččččččččč19

Electrical Parameters ččččččččččččččččččččččččččč21

Electrical Wiring Diagramčččččččččččččččččččččččč 22

DIP Setting čččččččččččččččččččččččččččččč 23

Wired Controller Instruction čččččččččččččččččččččč 24

Fault Analysis ččččččččččččččččččččččččččččč 26

Maintenance ččččččččččččččččččččččččččččč 27

AMS-SVX02A-EN 3

User Notice

Please review this manual carefully before installation

It is our pleasure that you select air conditioning unit from Trane. Please review this manual

carefully before installation and keep it safe for proper operation.

User notice

During operation, the total capacity of the indoor units operating at the same time shall

•

not exceed the outdoor unit capacity. Otherwise, it will lead to inadequate indoor unit

cooling (heating) capacity.

All indoor units are powered in the same way. User should cut off the main power supply

•

before cleaning.

User should keep the unit powered on. If user do not use the unit for a long term, please

•

cut off power supply and switch on the main power switch for 24 hours before operation.

When the indoor unit receives shutdown signal, the fan would keep running for 20-70s to

•

use residual cool or heat from the heat exchanger and ready for the next operation.

If operating modes of the indoor unit and outdoor unit are not in accordance, the indoor

•

unit fault indicator flashes after 5s and the indoor unit stops. In that case, just mode

conversion can eliminate the conﬂict. Cooling mode is in accordance with dry or fan mode,

while non modes are in accordance with heating mode.

Communication wires can not mix with power wires, they should be arranged respectively.

•

The minimum distance is 20cm at least, or may cause unreliable communication.

4 AMS-SVX02A-EN

Attention

Please read the information within this manual and carry out the operation in accordance1.

with instructions.

Please pay close attention to the following symbols:2.

Warning

A symbol indicating improper operation may cause personnel death or severe injury.

Attention

A symbol indicating improper operation may cause personnel injury or property

damage.

Warning

Please contact authorized service centre to install the unit. Improper installation may cause•

accidents, such as water leakage, electric shock and ﬁre etc.

Please select a location can withstand the full weight of machine. Otherwise the machine•

may fall and cause personnel injury or death.

Install the drainage pipe in accordance with this manual to ensure smooth water flow.•

Besides, you should also take measures to prevent condensation. Improper installation will

cause water leakage and wet household things.

Do not use or store inﬂammable, explosive or dangerous goods beside the air conditioning.•

When fault happens (such as comes out burning smell etc.), please cut off the unit main•

power instantly.

There should be plenty of fresh air inside the room, avoiding oxygen deﬁcit.•

Do not insert ﬁngers or others into air outlet or air inlet grid•

Please check installation stand if damaged after long term use regularly.•

Do not modify the unit. Please contact your dealer or professionals for installation or•

moving.

AMS-SVX02A-EN 5

Attention

Please verify the power supply meets requirements in the nameplate and check safety•

before installation.

Before operation, please check wires, drainage pipes and pipes connection avoiding•

accidents, such as water and refrigerant leakage, electric shock and ﬁre etc.

Main power supply must be earthed reliably for effective air conditioning unit earth,•

avoiding electric shock. The earth wire should not connect with gas pipe, water pipe,

lightning rod or phone line.

Switch off the unit after 5 minutes running at least, otherwise it may reduce the unit service•

life.

Children operating air conditioning unit is prohibited.•

Do not touch air conditioning unit with wet hands.•

When clean the air conditioning or replace the air strainer, switch off main power supply•

ﬁrst.

Cut off main power supply of the air conditioning unit, which is unused for a long term.•

Air conditioning unit can not be exposed to water or moist environment directly, which can•

cause corrosion.

Connect the power supply for leakage test after installation.•

Attention

Model M W C 5 1 8 M M N B A

1234567891011

Additional option N A A

12 13 14

Service code M W C 5 1 8 M M N B A N A A

1234567891011121314

Digit 1 M =Trane mini split unit

Digit 2 W = Heat pump

C = Cooling only

Digit 3 C = Cassette unit

Digit 4 5 =Threaded connection

Digit 5, 6 Nominal cooling capacity

Digit 7 Design serial no.

M = Free split indoor unit inverter system (with electronic expansion valve)

Digit 8 Power supply type

M=220~240V/50Hz/1PH

Digit 9 Electric heater

N= Non-electric heater

Digit 10 Controller

A = Wired controller

B = Wired + card remote controller (standard)

Digit 11 Design change

A = Change of initial design

Digit 12 Optional accessories

N = None

Digit 13 Conﬁguration change

A = First

Digit 14 Others

A = Sale in domestic market

B = Export

6 AMS-SVX02A-EN

Unit Model

Model (Cassette indoor unit)

Unit Components and Names

Figure 1.

Drainage device (built-in type)

Discharge condensate water from

the indoor unit in cooling mode

Drainage pipe

Air deﬂector

(In the air outlet)

Connecting pipe

Air outlet

Air strainer and puriﬁer

(In the air inlet grille)

Air inlet grille

AMS-SVX02A-EN 7

8 AMS-SVX02A-EN

Unit Installation Site Selection and Attentions

Select Unit installation site

Unit installation must comply with the local and national safe codes.

Unit installation quality affects air conditioning operation directly. User can not install the

unit by himself. Please contact your dealer and invite professionals to carry out installation

and commissioning of the unit in accordance with this manual.

Connect the power supply after all installation processes are completed.

Select Indoor unit installation site

Avoid direct sunlight.•

Ensure that the top suspension rod, ceiling and building structure etc. are strong enough to•

support the unit.

Drainage pipe is easy to connect from outside.•

Inlet and outlet air ﬂow are smooth.•

Indoor and outdoor connecting pipe are easy to extend to the outdoor.•

There are not inﬂammable and explosive articles or gas in the surroundings.•

The damp environment with corrosive gas, heavy dust, salt mist and oil smoke can not be•

the installation site.

Attention

Following locations may cause the air conditioning unit fault. If you have to select this kind of

environment, please contactTrane service centre for help.

ƗFull of engine oil; ƘSeaside saline area; ƙSulphuric gas (sulphuric hot spring);

ƚHigh frequency facility (radio equipment, electric welder and medical equipment);

ƛSpecial environment.

Electrical wiring layout

Installation must comply with national wiring regulations.•

Please select rated voltage and special air conditioning circuit.•

Do not pull the power wires.•

Please invite professionals to install in accordance with local laws and regulations and this•

manual.

Diameter of power cord should be enough. Only specified flexible cord can replace•

damaged power cord and wires.

Please invite professionals to install. Connect wires to special building earthing device•

reliably. There should be adequate leakage protection and air switches for fixed wires.

The air switch with magnetic and thermal trip function is for short circuit and overload

protection.

AMS-SVX02A-EN 9

Earthing

Air conditioning unit is Class I electric appliance and should be earthed reliably.•

Yellow-green color line is earth line only for earthing and can not be broken. Self-tapping•

screw is not used for ﬁx, or it may cause electric shock.

Earth resistance complies with national standards GB17790.•

User is responsible for providing reliable earthing terminal.•

Pease do not connect earth wire to followings:

ƗWater pipe; ƘGas pipe; ƙDischarge pipe; ƚOthers professionals think unreliable.

Installation accessories

See respective packing list in the packing box.

Unit Installation Site Selection and Attentions

10 AMS-SVX02A-EN

Unit Installation

Installation Diagram

Over 20mm

Over 1,500mm Air outlet Air outlet Air outlet

Ground

Over 1,500mm

Over 1,800mm

Figure 2.

Verify indoor unit installation site

Ensure no barriers in indoor unit air inlet and outlet for good ventilation.1.

Ensure installation complying with the diagram.2.

Select a low running noise and less vibration location which can support 4 times of indoor3.

unit weight

Ensure horizontal installation location.4.

Select a location, which is easy to discharge condensate water and connect to outdoor unit.5.

Ensure enough space for repair and maintenance.6. The distance between indoor unit and

ground is 1,800mm at least.

Check hoist screw installation site if support 4 times of the unit weight. Strengthening it7.

before installation if necessary (see installation paperboard for points to ﬁx).

Attention

There are pretty much oil smoke and powder in places such as the dining hall and kitchen.

Centrifugal fan, heat exchanger and water pump in places above are easily polluted and affect

heat exchange ability, water dropping and water pump function. In that case, please take

following measures:

Ensure the range hood has good function, avoiding oil smoke entering the air conditioning.1.

Keep air conditioning away from the kitchen.2.

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