Carrier Infinity 24ANB6 Manuel d'instructions télécharger pdf (Page 4)

Install Liquid Line Filter Drier Indoor

CAUTION

UNIT DAMAGE HAZARD

Failure to follow this caution may result in equipment damage

or improper operation.

Installation of filter drier in liquid line is required.

Filter drier must be wrapped in a heat--sinking material such as

a wet cloth while brazing.

Refer to Fig. 3 and install filter drier as follows:

1. Braze 5 in. (127 mm) liquid tube to the indoor coil.

2. Wrap filter drier with damp cloth.

3. Braze filter drier to above 5 in. (127 mm) liquid tube. Flow

arrow must point towards indoor coil.

4. Connect and braze liquid refrigerant tube to the filter drier.

A05178

Fig. 3 -- Liquid Line Filter Drier

Refrigerant Tubing Connection Outdoor

Connect vapor tube to fitting on outdoor unit vapor service valves

(see Table 2.) Connect and braze the 3/8” coupling (provided with

the filter drier) to the liquid service valve and connect and braze the

liquid tubing to the other end of this coupling. Use refrigerant

grade tubing.

Sweat Connection

CAUTION

UNIT DAMAGE HAZARD

Failure to follow this caution may result in equipment

damage or improper operation.

Service valves must be wrapped in a heat--sinking

material such as a wet cloth.

Service valves are closed from factory and ready for brazing. After

wrapping service valve with a wet cloth, braze sweat connections

using industry accepted methods and materials. Consult local code

requirements. Refrigerant tubing and indoor coil are now ready for

leak testing. This check should include all field and factory joints.

Evacuate Refrigerant Tubing and Indoor Coil

CAUTION

UNIT DAMAGE HAZARD

Failure to follow this caution may result in equipment

damage or improper operation.

Never use the system compressor as a vacuum pump.

Refrigerant tubes and indoor coil should be evacuated using the

recommended deep vacuum method of 500 microns. An alternate

triple evacuation method may be used. See triple evacuation

method in Service Manual.

IMPORTANT: Always break a vacuum with dry nitrogen.

Deep Vacuum Method

The deep vacuum method requires a vacuum pump capable of

pulling a vacuum of 500 microns and a vacuum gage capable of

accurately measuring this vacuum depth. The deep vacuum method

is the most positive way of assuring a system is free of air and

liquid water. (See Fig. 4)

500

MINUTES

01234567

1000

1500

LEAK IN

SYSTEM

VACUUM TIGHT

TOO WET

TIGHT

DRY SYSTEM

2000

MICRONS

2500

3000

3500

4000

4500

5000

A95424

Fig. 4 -- Deep Vacuum Graph

Final Tubing Check

IMPORTANT: Check to be certain factory tubing on both indoor

and outdoor unit has not shifted during shipment. Ensure tubes are

not rubbing against each other or any sheet metal. Pay close

attention to feeder tubes, making sure wire ties on feeder tubes are

secure and tight.

Make Electrical Connections

WARNING

ELECTRICAL SHOCK HAZARD

Failure to follow this warning could result in personal injury

or death.

Do not supply power to unit with compressor terminal box

cover removed.

Be sure field wiring complies with local and national fire, safety,

and electrical codes, and voltage to system is within limits shown

on unit rating plate. Contact local power company for correction of

improper voltage. See unit rating plate for recommended circuit

protection device.

NOTE: Operation of unit on improper line voltage constitutes

abuse and could affect unit reliability. See unit rating plate. Do not

install unit in system where voltage may fluctuate above or below

permissible limits.

NOTE: Use copper wire only between disconnect switch and unit.

NOTE: Install branch circuit disconnect of adequate size per NEC

to handle unit starting current. Locate disconnect within sight from

and readily accessible from unit, per Section 440--14 of NEC.

Route Ground and Power Wires

Remove access panel to gain access to unit wiring. Extend wires

from disconnect through power wiring hole provided and into unit

control box.

24ANB6

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Carrier Infinity 24ANB6 Manuel d'instructions Page 4

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