
U
SER
’
S
AND
I
NSTALLER
’
S
M
ANUAL
I
NSTALLATION
Version: 4.0 (23-08-2007)
17
Warning:
w
The wall socket must remain accessible after the
installation of the unit to be able to disconnect the
unit from the mains when maintenance work is to
be performed.
2.6.2 Connecting electrically-heated models (CA E and
CA H)
Danger:
d
Do not perform the connection work unless you
are qualified to work with three-phase current.
Particulars
•
Connect the unit to the power supply with a 5-core cable
(not supplied). The maximum load data is specified on the
type plate (see section
1.3.4
).
•
An isolation switch (not supplied) must be fitted between
the unit and the power supply. This switch must:
-
be all-pole;
-
have a minimum contact clearance of 3 mm;
-
be positioned at a maximum of 4 m from the left side
of the unit.
Warning:
w
The unit must
not
be switchable using the power
supply cable: use the control panel for that.
Warning:
w
The unit must be grounded.
Warning:
w
Connect the unit in accordance with the applicable
local requirements.
1
2
3
N
contact clearance
R
S
T
N