4.7
Electrical connection
A qualified technician must install the electri
-
cal supply to the equipment.
The connection diagram is located in the elec-
trical box of the heat generator; the circuit dia-
gram is supplied separately.
WARNING
The heat generator can only be de-energised
by disconnection from the mains (e.g. all-
pole switch).
WARNING
All electric power supply circuits must be
switched off before accessing the terminals.
Important!
A main switch must be installed on-site in the supply line
which performs an all-poles cut-out and has a clearance
of at least 3 mm between the open contacts.
For Switzerland:
The plant specific electrical plan must be followed when
making the electrical connection, if one is available!
The electrical connection must be connected in accord-
ance with the applicable standards of nationally or inter-
nationally recognised professional associations.
Procedure to remove the front covering panel
1.
Remove front cover (1, Fig. 28), after first releasing
the lateral locking bolt (1a, Fig. 28) (turn approx. ¼
turn to the left and pull out as far as the stop). Lift the
front cover (1) straight upwards and remove towards
the front.
2.
Remove lower front cover (2, Fig. 28), after first re
-
leasing the lateral locking bolt (2a) (turn approx. ¼
turn to the left and pull out as far as the stop). Slightly
raise the lower front cover (2 and 4, Fig. 28) and re
-
move towards the front.
3. Remove the locking screw (3a, Fig. 28) on the right.
4. Lift the switch control box (3, Fig. 28) and fold it out.
5. Cable entry refer to the Technical Datasheet (6, Fig.
The electrical connection is to be made in accordance
with the diagram supplied.
CAUTION
Do not reach into the marked area (Fig. 28)
when folding out the terminal box.
Danger of cuts and pinching in the area of
the trim strip (7).
Wear gloves. Grip the terminal box by the left
and right sides, not by the underside!
1
3a
3
1a
6
5
4
2
7
Fig. 28
27
4 217 213 / 01
INSTALLATION
Summary of Contents for UltraGas 15
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