22
Unwrapping, mounting and installation,
continued
Procedure
To connect the climate control unit, follow these steps:
Step
Action
1
Important Check that both the 220 V AC and 48 V DC connections are free
from current before you start the connection procedure.
Make sure that the 220 V AC connection is protected by a 10 A
fuse.
2
Connect the control cables via the 9-pole “D” plug in the control unit, which is
used for remote control of the set points.
3
Connect the 48 V/2.5 A DC supply to the 2-conductor cable
•
red to positive
•
black to negative
4
Connect the earthed 220 V/50 Hz AC supply to the 3-conductor cable
•
blue to neutral
•
brown to phase
•
yellow/green to Earth
Start
Once the unit is connected, switch on the power. The climate control unit can now be
programmed using the external control unit if required, and the system will then be
ready for use.
Disconnection
To disconnect the climate control unit, follow these steps:
Step
Action
1
Switch off the AC and DC supplies to the climate control unit
2
Disconnect the AC and DC power supply cables from the control unit, which
is positioned under the inspection cover at the top of the unit
3
Remove the cable from the 9-pole “D” plug on the control unit
4
Remove the 2 screws that hold the flange to the floor
5
Remove the 2 screws at the top of the unit that hold the unit to the wall.
NB:
Remember that removing these screws will free the climate
control unit and that it can therefore fall over
