INSTALLATION - TM-9-4120-428-140212

TM 9-4120-428-14

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WARNING

Dangerous Pressurized Chemical Refrigerant is used in the operation of this

equipment

Use great care to avoid contact with the liquid refrigerant or inhaling refrigerant gas that

is discharged from any container that is pressurized. Sudden and irreversible tissue

damage can result from freezing. Wear thermal protective gloves and a face protector or

safety glasses in any situation when skin or eye contact is possible.

Prevent contact of refrigerant gas with a flame or other hot surfaces. Heat causes the

refrigerant to break down and form carbonyl chloride (phosgene), a highly toxic and

corrosive gas. Unit contains R-22, a chemical substance that harms public health and the

environment by destroying ozone in the upper atmosphere. Qualified personnel must

service equipment only.

INSTALLATION

1. Remove four screws and (1) the access panel (2).

2. Check that the HIGH and LOW PRESSURE CHARGING VALVES are closed.

3. Remove the protective caps from the HIGH and LOW PRESSURE CHARGING VALVES.

4. Connect the red hose (pressure gauge) to the High pressure charging valve and the blue (compound gauge) hose to

the LOW pressure-charging valve.

5. Check that all four service manifold valves are closed.

6. Open the HIGH and LOW-pressure charging valves.

7. Loosen the red hose (pressure gauge) at the service manifold and allow the refrigerant to purge for 3-5 seconds.

Tighten hose.

8. Loosen the blue hose (compound gauge) at the service manifold and allow the refrigerant to purge for 3-5 seconds.

Tighten hose.

REMOVAL

1. Check that the unit HIGH and LOW pressure charging valves are closed.

2. Open all four of the service manifold valves to bleed off pressure.

3. Remove hoses from HIGH and LOW pressure charging valves.

4. Close the service manifold valves.

5. Install protective caps onto the HIGH and LOW pressure charging valves.

6. Install the access panel (2) and secure with four screws.

NOTE

FOLLOW-ON MAINTENANCE:

Connect power at the source.

END OF WORK PACKAGE

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