Nibe AG-AC10-42 Installer Manual page 14

12. With the vacuum pump running, close the low
pressure knob on the valve block. Stop the vacuum
pump. Open the service valve using an Allen key and
close it again after 10 seconds. Check the seal of all
joints using soap solution.
13. Open the service valves fully (anti-clockwise direc-
tion). Disconnect the vacuum pump. Reinstall the
caps on the valves, tighten to a torque of 20 Nm.
Leak trace caps and connections using a sniffer or
leak spray. See page 16 for the valves' main func-
tions. Repeat steps 10-13 if you have more indoor
units. The indoor units must be marked with "indoor
unit A" and "indoor unit B".
14 Chapter 5 | Installation
14. Complete insulation, protect against mechanical
impacts, secure and hang up.
15.
Caution
The cooling circuit addresses must be set
before the system is started. The settings
must be made for each of the system's in-
door units. See the Installer Manual for the
specific indoor unit.
Outdoor unit Indoor unit
Address A
Address B
AG-AC10