Trane TTD Manual de usuario

Installation Manual

Multi-Split System

Condensing Unit

18,000-54,000 Btuh

Models 50/60 Hz

MS-SVN005-EN

TTD/TTT

October 2012

50 Hz Models

Cooling Only

TTD 518 AB

TTD 521 AB

TTD 527 AB

TTD 530 AB

TTD 536 AB

TTD 536 DB

TTT 527 AB

TTT 530 AB

TTT 533 AB

TTT 536 AB

TTT 536 DB

TTT 542AB

60 Hz Models

Cooling Only

TTD 518 A1

TTD 521 A1

TTD 524 A1

TTD 527 A1

TTD 530 A1

TTD 536 A1

TTD 536 D1

TTT 527 A1

TTT 530 A1

TTT 533 A1

TTT 536 A1

TTT 536 D1

TTD 524 AB

TTD 530 DB

TTD 524 DB

TTD 527 DB

TTD 533 AB

TTD 533 DB

TTD 542 AB

TTD 542 DB

TTD 545 AB

TTD 548 AB

TTD 548 BB

TTD 548 DB

TTD 554 AB

TTD 554 DB

TTT 542DB

TTT 545AB

TTT 548AB

TTT 548BB

TTT 554AB

TTT 554DB

TTD 551 AB

2MS-SVN005-EN

General Information

This Installation Manual is given as a

guide to good practice in the

installation by the installer of TTD/TTT

mini-split system. Installation

procedures should be performed in

the sequence that they appear in this

manual.

For installing the unit to operate

properly and reliably, it must be

installed in accordance with these

instructions. Also, the services of a

qualified service technician should be

employed, through the maintenance

contract with a reputable service

company.

Read this Installation Manual

completely before installing and

operating the system.

About this Manual

Cautions appear at appropriate places

in this Instruction Manual. Your

personal safety and the proper

operation of this machine require that

you follow them carefully.

The Trane Company assumes no

liability for installations or servicing

performed by unqualified personnel.

All phases of the installation of this air

conditioning system must conform to

all national, provincial, state and local

codes.

About the Unit

These TTD/TTT units are assembled,

pressure tested, dehydrated, charged

and run tested before shipment.

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 dealer.

Warning

Warnings are provided at appropriate

places in this manual to indicate to

installers, operators and service

personnel of potentially hazardous

situations which, if not avoided,

COULD result in death or serious

injury.

Caution

Cautions are provided at appropriate

places in this manual to indicate to

installers, operators, and service

personnel of potentially hazardous

situations which, if not avoided, MAY

result in minor or moderate injury or

malfunction of the unit.

Your personal safety and the proper

operation of this unit require that you

follow them carefully. The Trane

Company assumes no liability for

installations or servicing performed by

unqualified personnel.

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.

Important

This document is customer property

and is to remain with unit. Please

place in service information pack upon

completion of work.

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.

MS-SVN005-EN.indd 2 1/10/08 11:03:27 AM

MS-SVN005-EN 3

Contents

General Information

Valid System Combinations

Installation Requirements

Location and Preparation of Units

Connection of Refrigerant Tubing

Condensate Drain Piping

System Evacuation and Purging

Electrical Installation

Matching Table

Wiring Diagram

Dimensional Data

Note

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4MS-SVN005-EN

Valid System Combinations

MS-SVN005-EN.indd 4 1/10/08 11:03:28 AM

MS-SVN005-EN 5

Installation Requirements

Table 2

1. Copper Tubing

Copper tubing, fittings and

insulation to interconnect the

suction (S) (wide tube) and liquid

(L) (narrow tube) refrigerant lines

between the indoor and outdoor

units can be purchased locally.

It is necessary to purchase the

following items:

- Purchase equal lengths of both

tubes and insulation required.

Cut the appropriate tube lengths,

30 to 40 cm (12 to 16 in.) longer

on each one to deepen vibration

between units. Wall thickness of

copper tube should be 0.8 mm

(0.0314 in.).

Both tubes must be well

insulated with proper insulation

materials.

- The length of wiring will

determine the wire size. See

local codes, refer to section of

electrical installation.

2. Additional Materials

- Saddles or clamps to hold

refrigerant tubing.

- Insulated clamps or staples

for connecting wire.

See local codes.

- Refrigeration oil and tape

(armored).

- Putty or similar filter.

*On Cooling Mode

Indoor Unit 512 518

O.D. O.D. O.D.

Item mm (in.) mm (in.) mm (in.)

Deoxidizied Annealed (L *) 6.35 (1/4) 6.35 (1/4) 6.35 (1/4)

Copper Tube (S *) 9.52 (3/8) 12.7 (1/2) 12.7 (1/2)

Foamed Polyethylene Diameter: According Diameter: According Diameter: According

to O.D. of copper tube to O.D. of copper tube to O.D. of copper tube

Insulation Thickness: No less than Thickness: No less than Thickness: No less than

8 mm (0.3 in) 8 mm (0.3 in) 8 mm (0.3 in)

Insulated Copper Wire Length required to make Length required to make Length required to make

electrical wiring electrical wiring electrical wiring

507-509

MS-SVN005-EN.indd 5 1/10/08 11:03:29 AM

6MS-SVN005-EN

Location and Preparation of Units

1. Choose a place as cool as possible.

The place should be well ventilated

and the inlet air should not hotter

than the outside temperature (max

45OC or 113OF).

2. Avoid the vicinity of heat sources,

exhaust fan, etc.

3. Avoid direct sunlight, provide

awnings if necessary.

4. The unit should be set on a level

reinforced concrete pad to avoid

the effect humidity. The minimum

height of the concrete pad should

be 100 mm. (4"). Unit shall be fixed

securely to the concrete pad with

bolts (not supplied) to prevent

abnormal noise and vibration.

5. The concrete pad must be

positioned a minimum of 200 mm.

(8") from any well and surrounding

shrubbery.

6. Minimum clearance on the inlet air

side of the unit must be 250 mm.

(10") : 1200 mm. (48") on the

discharge air side of the unit and

250 mm. (10") on the tubing side

of the unit (Figure 1).

7. When the unit is mounted on a roof,

be sure the roof will carry the unit’s

weight. Vibration isolation is

recommended to prevent

transmission to the building

structure.

Note

The Multi-Split System (Outdoor) Unit

should be installed as close to the

indoor units as possible.

Figure 1

Air Discharge Air Inlet

200 mm (10")1,200 mm (48")

250 mm (10")250 mm (10")

MS-SVN005-EN.indd 6 1/10/08 11:03:30 AM

MS-SVN005-EN 7

Connection of Refrigerant Tubing

Table 3

Tube Diameter Tightening Torque

mm. in. kg - cm lbs - in.

6.35 (1/4) 150 - 200 (130 - 170)

9.52 (3/8) 350 - 400 (300 - 340)

12.70 (1/2) 500 - 550 (430 - 470)

1. The principal concerns in

refrigeration tubing are:

- Uniform oil return to the

compressor.

- Pressure drops and their effect on

system capacity.

- Tube routing and isolation to avoid

line breakage, vibration and sound

transmission. Regarding this, the

interconnecting refrigerant lines

should be simple and shorter as

much as possible.

2. Flare Connections

The units reported in this manual

employ the flare method to

interconnect refrigerant tubes between

indoor and outdoor units (Figure 2).

- The tube end of all refrigerant tubes

should be flared, the tube should

be cut and deburred. Be sure no

copper scraps fall in to the tube.

- Be sure to fit a cap to the open end

of the tube to keep it free of dust

and moisture.

- Avoid bending the tube. If it is

necessary, bend it gently, with a

radius of more than 3 or 4 cm.

(1 1/2 in. or 1 5/8 in.)

- Cut approximately 30 to 50 cm.

(12 in. to 20 in.) longer than

estimated tubing length.

- Before flaring remember to fit

the nut.

- Ream with tube end downward

to avoid copper scraps inside

the tube.

- Remove the flare caps on the

tube end.

- Connect the tubes by aligning

the centers of both flares and turn

the flare nuts by hand 3 or 4 turns

(Figure 3).

3. Insulate both lines, liquid (narrow

tube) and suction (wide tube), to

prevent heat loss and wet floor due to

dripping of chilled condensation.

Apply proper insulation material,

minimum thickness should be 8 mm

(1/3 in.) (Figure 4).

Note

Do not try to bend the tube after

installation.

4. Finish with armoring tape.

Also see section of condensate drain

piping.

Note

Apply refrigeration oil on flare and

union surfaces before connecting

them. This will reduce refrigerant

leakage.

- Check the tubing connections and

refrigerant lines before applying

specified torque. Fasten flare nuts

as recommended below.

Figure 4

Figure 3

Figure 2

Electrical Connection

Service Port

Valve Cap Tu b e

Connection

(Flare)

Liquid Line System # 1

Gas Line System # 1

Liquid Line System # 2

Gas Line System # 2

Liquid Line System # 3

Gas Line System # 3

Union Flare nut

Insulation Thickness

Min. 8 mm Min. 8 mm (1/3 in.)

MS-SVN005-EN.indd 7 1/10/08 11:03:31 AM

8MS-SVN005-EN

Condensate Drain Piping

Figure 5

Drain

1. The drain hose should come

straight down the wall to a level

where runoff will not stain the wall.

2. There should be no traps and avoid

putting the end of the hose in water.

3. To avoid damage to the floor or

furniture when the drain hose is

placed in the room, insulate the

hose with foamed polyethylene

or equivalent.

4. After completing refrigerant lines,

wining and drain connection, bind

the tubing, wining and drain pipe

(check if local codes permit it) into

a bundle by using tape at 100 or

200 mm (4 in. or 8 in.) intervals.

Make sure the drain tube is at the

bottom of the bundle (Figure 5).

MS-SVN005-EN.indd 8 1/10/08 11:03:32 AM

MS-SVN005-EN 9

System Evacuation and Purping

The outdoor unit is factory charged.

Unit nameplate charge is the total

required system charge with 7.5

meters of interconnecting lines. Since

the outdoor unit will not have to be

evacuated unless charge has been

completely lost, leave the suction and

liquid shut-off valves closed.

1. Upon completion of installation,

evacuate the refrigerant lines and

indoor coil (Figure 6).

2. Evacuate unit until the gauge reads

350 microns or evacuate at least

one hour for one system.

3. Close off valve to vacuum pump

and observe the micron gauge. If

gauge pressure rised above 500

microns in one (1) minute, then

evacuation is incompleted or

system is leaking.

- Attach appropriate hose from

manifold gauge to suction and

liquid line valves service ports.

- Attached center hose of mainfold

gauges to vacuum pump.

Note

Unnecessary switching of hoses and

complete evacuation of all lines

leading to sealed system can be

accomplished by placing a “T” in

manifold center hose and connecting

branch hose to cylinder of R-22.

Note

Evacuate unit 2 and 3 in the same

manner explained above.

This completes system evacuation

with a vacuum pump and the air

conditioner is ready for actual

operation.

Figure 6

Indoor Unit 3

Indoor Unit 2

Indoor Unit 1

System # 3

System # 2

System # 1

Service Port System #3

Suction Line System #3

Liquid Line System #3

Suction Pressure

Liquid Pressure

Vacuum Pump

Cylinder of R-22

MS-SVN005-EN.indd 9 1/10/08 11:03:33 AM

10 MS-SVN005-EN

Electrical Installation

Wiring and grounding must comply

with national and local codes.

Wiring

Important Safeguards:

- Check the unit nameplate for

electrical rating. Be sure wiring is

according to local codes and wiring

system diagram.

- A power supply disconnect and a

circuit breaker for overcurrent

protection should be provided in

the exclusive line.

- Connect all units electrically with

ground.

- Wiring should not touch refrigerant

tubing, compressor or moving

parts.

- The manufacturer will have no

responsibility for the problems

caused by unauthorized change in

the internal wiring.

- Connect wiring firmly.

- Use recommended wire length

and size.

Note

- Each country has their own field

wiring rules and regulations. Be

sure the installation complies with

local electrical codes.

- Nameplate ratings on indoor units

are for “one-to-one” system

installations only.

Checking the system before start up

Once the unit is installed, a check of

the system is recommended before

starting the units.

- Check that field connections are

correctly made.

- Check that units are correctly

installed and there is no tool or

debris near or on top of the unit.

- Check the tubing and the

connections for leaks.

- Check that unit has a proper

ground wiring.

- Check for proper voltage and fuse

size.

- Check electrical wire size used is as

specified.

- Check all field wiring for tight

connection.

- Make sure that electrical wires

inside the unit do not contact with

refrigerant pipes.

- Start the system and carefully

observe operation.

MS-SVN005-EN.indd 10 1/10/08 11:03:34 AM

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