Bosch CLIMATE 5000 Service Manual page 18

Maintenance and Disassembly
Outdoor Unit
Evacuation for the whole system
Vacuum pump
Fig. 9.
Procedure:
1. Confirm that the liquid and gas valves are opened.
2. Connect the vacuum pump to the service port.
3. Evacuate the system for approximately one hour. Confirm that the
vacuum pressure gauge indicates -1 bar (-14.5 Psi).
4. Close the valve (Low side) on the charge set and turn off the
vacuum pump.
5. Wait for 5 minutes then check whether the gauge needle moves
after turning off the vacuum pump. If the gauge needle moves
backward, check whether there is gas leakage.
6. Disconnect the charge hose from the vacuum pump.
7. Mount the caps of service port and liquid / gas valves.
8. Use a torque wrench to tighten the caps to a torque of 18 N.m.
18
(Liquid side)
(Indoor unit)
(Gas side)
OPEN
Liquid valve
Gas valve / Service port
CLOSE
CLIMATE 5000 RAC SINGLE SPLIT (R32) – 6720894076 (2019/08)
(Outdoor unit)
Open
Open