Trane 4MCW3-A User manual

SAFETY WARNING

Only qualified personnel should install and service the equipment. The installation, starting up, and servicing

of heating, ventilating, and air-conditioning equipment can be hazardous and requires specific knowledge and

training. Improperly installed, adjusted or altered equipment by an unqualified person could result in death or

serious injury. When working on the equipment, observe all precautions in the literature and on the tags,

stickers, and labels that are attached to the equipment.

Split System (R-410A)

13 SEER

9,000 to 24,000 BTU/Hr

October 2010 MCW-SVN15B-EN

4MCW3A12

Installation Guide

High Efficiency (13 SEER) R-410A, 60Hz

Single Split Indoor Unit Outdoor Unit

Cooling only 4MCW3-A 4TTK3-A

4MCW3-B 4TTK3-B

Warnings and Cautions

Warnings and Cautions. Notice that warnings and cautions appear at appropriate intervals

throughout this manual. Warnings are provided to alert installing contractors to potential

hazards that could result in personal injury or death, while cautions are designed to alert

personnel to conditions that could result in equipment damage.

Your personal safety and the proper operation of this machine depend upon the strict

observance of these precautions.

WARNING

Ground Required!

Follow proper local electrical code on requirements for grounding. Failure to follow

code could result in death or serious injury.

WARNING

R410A Refrigerant under Higher Pressure than R22!

The units described in this manual use R410A refrigerant which operates at 50 to 70%

higher pressures than R-22. Use only R-410A approved service equipment. Refrigerant

cylinders are painted with "pink" color to indicate the type of refrigerant and may

contain a "dip" tube to allow for charging of liquid refrigerant into the system. For

specific handling concerns with R-410A, please contact your local Trane representative.

Failure to use R-410A approved service equipment could result in standard equipment

exploding under R-410A higher pressure which could result in death or serious injury.

NOTICE

Use PVE Oil with R-410A Mini-Split Units!

All R-410A mini-splits use a PVE oil (Polyvinyl Ether Oil) that readily absorbs moisture

from the atmosphere. To limit this “hygroscopic” action, the system should remain

sealed whenever possible. If a system has been open to the atmosphere for more than

4 hours, the compressor oil must be replaced. Never break a vacuum with air and

always change the driers when opening the system for component replacement. For

specific handling concerns with PVE oil, contact your local Trane representative.

USE ONLY THE FACTORY RECOMMENDED - DAFNE HERMETIC OIL FV50S - for

servicing these units.

Failure to follow these recommendations could result in equipment damage.

Attention:Warnings and Cautions appear at appropriate sections throughout this

literature. Read these carefully.

WARNING:Indicates a potentially hazardous situation which, if not avoided, could

result in death or serious injury.

CAUTION:Indicates a potentially hazardous situation which, if not avoided, could

result in minor or moderate injury. It may also be used to alert against unsafe practices.

NOTICE:Indicates a situation that could result in equipment or property-damage only

accidents.

Preface

1234-TTT000-EN 3

Important!

Environmental Concerns

Scientific research has shown that certain man-made chemicals can affect the earth’s naturally

occurring stratospheric ozone layer when released to the atmosphere. In particular, several of

the identified chemicals that may affect the ozone layer are refrigerants that contain Chlorine,

Fluorine and Carbon (CFCs) and those containing Hydrogen, Chlorine, Fluorine and Carbon

(HCFCs). Not all refrigerants containing these compounds have the same potential impact to the

environment. Trane advocates the responsible handling of all refrigerants—including industry

replacements for CFCs such as HCFCs and HFCs.

Responsible Refrigerant Practices

Trane believes that responsible refrigerant practices are important to the environment, our

customers, and the air conditioning industry. All technicians who handle refrigerants must be

certified. The Federal Clean Air Act (Section 608) sets forth the requirements for handling,

reclaiming, recovering and recycling of certain refrigerants and the equipment that is used in

these service procedures. In addition, some states or municipalities may have additional

requirements that must also be adhered to for responsible management of refrigerants. Know

the applicable laws and follow them.

41234-TTT000-EN

General Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Typical Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Installation location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Indoor Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Outdoor unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Indoor Unit Installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Installing the water drain pipe . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10

Installing the unit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10

Installing the connection pipe . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11

Connect indoor and outdoor electric wires. . . . . . . . . . . . . . . . . . . . . . . . . . . .12

Installing Outdoor Unit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12

Air purging and leakage test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12

Outdoor condensation drainage (Heat pump type only) . . . . . . . . . . . . . . . . .13

Check after Installation and Test Operation . . . . . . . . . . . . . . . . . . . . . . . . . .14

Connection Pipe . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15

Wiring Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16

Indoor Units. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16

Outdoor Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17

Contents

1234-TTT000-EN 5

This installation Manual is given as a guide to good practices in the installation and operation of a

wall mounted split system models 4MCW and 4TTK. However it does not contain all the service

procedures for this unit, as these procedures must be performed by a qualified service technician,

through the maintenance contract with a reputable service company.

Read these operation Instructions completely before installing the unit.

Warranty

Warranty is based on the general terms and conditions by country. The warranty is void if the

equipment is modified or repaired without the written approval of The Trane Company, if the

operating limits are exceeded or if the control system or the electrical wiring is modified.

Damage due to inappropriate installation, lack of knowledge or failure to comply with the

manufacturer’s instructions, is not covered by the warranty obligation.

If the installation does not conform to the rules described in Installation Manual, it may entail

cancellation of warranty and liabilities by The Trane Company.

Reception

On arrival, inspect the unit before signing the delivery note. Specify any damage of the unit on

the delivery note, and send a registered letter of protest to the last carrier of the goods within 72

hours of delivery. Notify the dealer at the same time.

The unit should be totally inspected within 7 days of delivery. If any concealed damage is

discovered, send a registered letter of protest to the carrier within 7 days of delivery and notify

the local dealer.

About the Unit

These units are assembled, pressure tested, dehydrated, charged and run tested before shipment.

This manual contains informations related to 4MCW and 4TTK units. The 4MCW and 4TTK units

operate in cooling only.

Refrigerant

The refrigerant provided by the manufacturer comply with all the requirements for our units.

When using a recycled or reprocessed refrigerant, we recommend its qualities be as good as

those of a new refrigerant. It is necessary to have the refrigerant tested by a qualified laboratory.

Failure to do so could void the warranty.

Important

These instructions do not cover all variations in systems, nor do they provide for every possible

contingency to be met in connection with installation. Should further information be desired or

should particular problems arise which are not covered sufficiently in this manual, the matter

should be referred to your authorized Trane dealer.

General Information

61234-TTT000-EN

Accessories

Table 1. Parts list

No. Part Name Diagram Qty Specification Memo

1 Mounting plate 1

2Wireless remote

controller 1

3Remote controller

holder 1

4 Battery 2 AAA,1.5V

5 Tapping screw 10 ST4.2 X 25 For mounting plate

6Drainhose 1L=2m

7 Thermal insulation 1 φ35 X 500

8 Drain kit 1 Heat pump type only

9 Drain hole cover 3 Heat pump type only

10 Air cleaner 2 Packaged with indoor unit

11 Air filter 2

1234-TTT000-EN 7

Typical Installation

Indoor Unit

Air In

Air out

Outdoor Unit

Air in

Air out

1. Front panel

2. Filter

3. Guide Louver

4. Electric plug

5. Manual Switch

6. Receiving Window

7. Bind Tape

8. Remote Control

9. Connection wire

10. Drain pipe

81234-TTT000-EN

Indoor Unit

WARNING

Adequate Support!

Wall structure must be adequate to support the weight of the unit. Failure to ensure

adequate structural support could result in unit falling from its location which could

result in death, serious injury, or equipement or property-only damage.

1. The air inlet and outlet should be far away from anything that could prevent the air from

reaching all parts of the room.

2. Select a location where it is easy to drain the condensing water and connect to the outdoor

unit;

3. Keep the indoor unit far away from heat sources, vapor and inflammable gas;

4. Be sure that the installation of the indoor unit conforms to the installation dimension

diagram;

5. Be sure to leave enough space to allow access for routine maintenance; clearance between

the indoor unit and the floor should be more than 200cm;

6. Install in a location where the unit is more than 1 meter away from other electric appliances

such as television, audio devices etc.;

7. Select location where air filters can be easily removed

Outdoor unit

WARNING

Adequate Support!

Wall structure must be adequate to support the weight of the unit. Failure to ensure

adequate structural support could result in unit falling from its location which could

result in death, serious injury, or equipement or property-only damage.

1. Select a location from which noise and air discharge by unit will not annoy neighbors.

2. Select a location where there is sufficient ventilation.

3. Make sure the air inlet and outlet are not blocked by any obstacles.

4. Select a location capable of supporting the weight and vibration of the outdoor unit, and

where installation work can be carried out safely.

5. Select a location away from flammable gas or gas leaks.

6. Make sure that the installation of the outdoor unit conforms to the installation dimension

diagram.

NOTICE

Installing the unit in one of the following locations could result in unit malfunction:

• Places where oil (machine oil) is used

• Seaside/places with high level of salt in the air.

• Places with high level of sulfur gas such as areas with hot springs.

• Places where high-frequency waves are generated by radio equipment, welders and medical

equipment.

• Other unusual places where unit operation may be altered.

Installation location

1234-TTT000-EN 9

Indoor Unit Installation

WARNING

Hazardous Service Procedures!

The maintenance and troubleshooting procedures recommended in this section of the

manual could result in exposure to electrical, mechanical or other potential safety

hazards. Always refer to the safety warnings provided throughout this manual

concerning these procedures. When possible, disconnect all electrical power including

remote disconnect and discharge all energy storing devices such as capacitors before

servicing. Follow proper lockout/tagout procedures to ensure the power can not be

inadvertently energized. When necessary to work with live electrical components, have

a qualified licensed electrician or other individual who has been trained in handling live

electrical components perform these tasks. Failure to follow all of the recommended

safety warnings provided, could result in death or serious injury.

Mounting Location

1. Always mount the rear panel horizontally.

2. Fix the rear panel on the selected location

3. Be sure that the rear panel has been fixed firmly enough to withstand the weight of an adult

of 60kg, furthermore, the weight should be evenly shared by each screw.

Drilling a hole in the wall to install the piping

The piping can be connected in six different locations on the unit, as shown on figure below:

1. Drill a 65mm diameter hole in the wall at a slight downward angle toward the outdoor side in

such a way that the end of the pipe outside is 5 mm lower than the inside.

Installation

Left downward

Left

Rear Left

Right Downward

Rear Right

Right

10 1234-TTT000-EN

2. Insert a sleeve into the hole to prevent the connection piping and wiring from being damaged

when passing through the hole.

NOTICE

When a wall sleeve is not used, it is then necessary to drill a straight hole in the wall. If

the hole is not straight and uniform, this could result in water leaking from

condensation, resulting in property damage.

NOTICE

If a wall sleeve is not mounted in the wall, the wiring between the indoor unit and the

outdoor unit can possibly be damaged resulting in electrical current loss in the ground

wiring.

Installing the water drain pipe

NOTICE

Do not wrench or bend the drain hose and make sure the ends of the drain pipe are not

under water. Failure to do so could result in leakage.

1. To ensure proper water drainage, the drain hose should be placed at a downward slant.

2. The water drain pipe must be insulated throughout the house.

Installing the unit

Note: The piping can be lead out from right, right rear, left, left rear.

1. When routing the piping and wiring from the left or right side of indoor unit, cut off the

tailings from the chassis in necessary.

(1).Cut off the tailings 1 when routing the wiring only;

(2).Cut off the tailings 1 and tailings 2 when routing both the wiring and piping.(or 1,2,3)

Under water

Bent

Wrenched

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