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2. Refrigerant charging
Procedure:
1). Connect the charge hose to the charging cylinder, open the 2-way valve and the 3-way valve
Connect the charge hose which you disconnected from the vacuum pump to the valve at the bottom of
the cylinder. If the refrigerant is R410A, make the cylinder bottom up to ensure liquid charge.
2). Purge the air from the charge hose
Open the valve at the bottom of the cylinder and press the check valve on the charge set to purge the
air (be careful of the liquid refrigerant).
3) Put the charging cylinder onto the electronic scale and record the weight.
4). Open the valves (Low side) on the charge set and charge the system with liquid refrigerant
If the system cannot be charge with the specified amount of refrigerant, or can be charged with a little at
a time (approximately 150g each time) , operating the air conditioner in the cooling cycle; however, one
time is not sufficient, wait approximately 1 minute and then repeat the procedure.
5).When the electronic scale displays the proper weight, disconnect the charge hose from the 3-way
valve’s service port immediately
If the system has been charged with liquid refrigerant while operating the air conditioner, turn off the air
conditioner before disconnecting the hose.
6). Mounted the valve stem caps and the service port
Electronic scale
Содержание IC SI-A-1205
Страница 1: ...IC INVERTER SERIES Service Manual 2012 ICSI A 1205...
Страница 10: ...10 Model W D H W1 A B MOR 09HDN1 QC2 660 265 540 732 458 276 MOR 12HDN1 QC2...
Страница 12: ...12 5 Wiring Diagram 5 1 Indoor Unit MSIC 09HRDN1 QC2 MSIC 12HRDN1 QC2...
Страница 13: ...13 5 2 Outdoor Unit MOR 09HDN1 QC2 MOR 12HDN1 QC2...
Страница 24: ...24 Use torque wrench to tighten the service port cap to a torque of 18N m Be sure to check for gas leakage...