Refrigerant
21.10.2015
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Copyright
2014 by: WATERKOTTE GmbH. Subject to changes.
8.3
Charging refrigerant circuit
Requirements:
Refrigerant line connections between outdoor and indoor module have
been established.
Tube airtight test has been performed (pressure test).
The outdoor module is fully charged with (R410A) refrigerant (in factory).
Procedure
:
1. Connect vacuum pump to indoor module (Schrader valve, opens
automatically).
2. Start vacuum pump
3. When using a high-performance vacuum pump, the required vacuum
is generated after 70 minutes (-101 kPa / 5 torr).
4. Close the valve of the connection tube of the vacuum pump.
5. Open the two valves (1 a. 2) on the indoor module. The refrigerant flows
into the entire system.
6. Disconnect the tube of the vacuum pump.
