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Charging

Charging. Charging. Charging Procedure. Step 1

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Charging

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  1. Charging

  2. Charging Charging Procedure Step 1 Should the lineset length of an installation exceed the charge supplied with the outdoor unit, additional charge will be required. To calculate the additional charge, refer to the installation instructions supplied with the unit and calculate the additional charge weight as specified for line length. Write down any additional charge amount calculated for weigh-in. Note: The lines must be completely evacuated before adding charge or opening the service valves.

  3. Charging Charging Procedure Step 2 To add additional charge to the system, remove the charging port cap and attach the charging hose adapter. (Adapter part # AD-87)

  4. Charging Charging Procedure Step 3 Attach the low side hose of the manifold gauge to the adapter. Note: A special 1/2”-20F - 1/4”M adapter is required to fit the refrigerant hose to the charging port of the outdoor unit.

  5. Charging Charging Procedure Step 4 Verify that the low side valve of the manifold gauge is closed and check the manifold hose connections. Connect the charging hose to the refrigerant tank.

  6. Charging Charging Procedure Step 5 Open the tank valve, turn the scale ON, and zero the meter scale.

  7. Charging Charging Procedure Step 6 Open the low side valve of the manifold gauge to begin adding refrigerant.

  8. Charging Charging Procedure Step 7 When the proper amount of refrigerant has been added (by weight), close the low side valve of the manifold gauge.

  9. Charging Charging Procedure Step 8 Close the tank valve, remove the hose and adapter, and replace the charging port cap. Note: If this is a new installation, Be sure to open the liquid and vapor service valves before starting the unit (see installation section).

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