
Bunsen Air - Installer Manual
19 |
P a g e
9
Electrical Connections
Important Notes
Check the following conditions before implementing
the electrical connections,
a) The system must only be electrically powered up
after all completion of refrigerant connections,
hydraulic connections, and full system tests.
b) The water cylinder shall be completely filled and
purged.
c) The system requires single phase, 220 - 240V /
50Hz power supply with earth connection. This
should be separately isolated and protected by an
appropriate sized fuse. (Max. 13Amps)
d) The system is supplied with an appropriate fused
spur.
e) The system has a connector and terminal Airs
which allows the connection of a back-up
immersion heater. The maximum rating is 3kW.
f) All electrical sockets connected to the system
must be grounded.
g) Connections should always comply with the
installation regulations according to the local
electrical code and legislation.
Electrical Immersion
Important Notes
For the diagram with electrical immersion, here
below is the connection part.
1. Second Power Supply
2. Immersion
3. Immersion L line
4. Ground
5. Immersion N line
6. Power N line
7, Ground
8. Power L line
6
7
8
1
5
4
3
2