Johnson Controls AC6B Manual Do Utilizador

562156-UIM-A-0610

Johnson Controls Unitary Products

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The unit may be installed at ground level on a solid base that will not
shift or settle, causing strain on the refrigerant lines and possible leaks.
Maintain the clearances shown in Figure 1 "Typical Installation with
Required Clearances" and install the unit in a level position.

Normal operating sound levels may be objectionable if the unit is placed
directly under windows of certain rooms (bedrooms, study, etc.).

Isolate the unit from rain gutters to avoid any possible wash out of the
foundation.

When installing units on a roof, the structure must be capable of sup-
porting the total weight of the unit, including a pad, lintel, rails, etc.,
which should be used to minimize the transmission of sound or vibra-
tion into the conditioned space.

1. Provide a base in the pre-determined location.

2. Remove the shipping carton and inspect for possible damage.

3. Compressor tie-down bolts should remain tightened.

4. Position the unit on the base provided.

The air conditioning unit’s copper spun filter/dryer is located on the liq-
uid line.

The following are the basic steps for installation. For detailed instruc-
tions, refer to the Installation Instructions accompanying the TXV kit.

Install TXV kit as follows:

1. Relieve the holding charge from the indoor coil by depressing the

Schrader valve stem located in the end of the suction line. Cut the
spundown copper to allow installation of the suction line.

2. After holding charge is completely discharged, loosen and remove

the schraeder cap seal.

3. Loosen and remove distributor cap seal.

4. Install the thermal expansion valve to the orifice distributor assembly

with supplied fittings. Hand tighten and turn an additional 1/4 turn to
seal. Do not overtighten fittings.

5. Install the liquid line to the top of the thermal expansion valve with fit-

ting supplied with the liquid line. Hand modify the liquid line to align
with casing opening. Hand tighten the liquid line and an additional
1/4 turn to seal.

6. Install the TXV equalizer line into the vapor line as follows:

a. Hand tighten the 1/4” SAE nut to the schraeder fitting and an

additional 1/3 turn to seal.

7. At this time do not attach sensing bulb. This will be covered later

after brazing of the lines.

 FIGURE 1:  Typical Installation with Required Clearances

THERMOSTAT

NEC CLASS 1

WIRING

TO INDOOR
BLOWER

NEC CLASS 2
WIRING

TO COIL

WEATHERPROOF

DISCONNECT

SWITCH

24” SERVICE

ACCESS

CLEARANCE

NOTE: ALL OUTDOOR WIRING
MUST BE WEATHERPROOF

SEAL OPENINGS WITH
PERMAGUM OR EQUIVALENT

10” COIL
CLEARANCE AREA

60” OVERHEAD
CLEARANCE

029-22195-000

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