Electrical Connection - COMEM 170SB Manual De Instrucciones

Mounting of the valve
1 2
A
B
C
D
E
Figure 1
F
The pressure relief device has to be mounted on the pre-
1 2
ventively machined flange according the drawing (fig.1)
• n.6 nuts M16 UNI5588,
• n.6 grower washers Ø16 UNI1751,
• n.6 plane washers Ø16 UNI 6592.
Screw the nuts with recommended torque (25 Nm /
18.4 Ft·Lbs).
During the valve mounting pay attention to insert the
O-Ring gasket included in the delivery (fig.2/1).
Bleeding of the valve
If installed vertically pay attention that the bleed screw
(fig.3/3) will be placed in the highest point.
In any case, both with horizontal and with vertical moun-
ting, is necessary to bleed the valve after the transformer
oil is filled.
Unscrew partly the bleed screw (fig.3/3), to allow to the
excess air to come out then screw the bleed screw
Closing of the valve
The pressure relief device 170SC duct cover must to be
closed after the installation. Duct Cover (Fig. 3/6) has to be
installed using 4 screws with recommended torque (8 Nm /
5.9 Ft·Lbs).
CAUTION
The locking system (fig.3/7) ensures safe transportation and
must be removed before powering up the transformer.
Max withstand pressure: 200 kPa
1
Figure 2
3 4 5
M16
170
235
CREATED BY
Diego Boro
APPROVED ON
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COMPANY
COMEM
RESPONSIBLE DEPARTMENT
ITABB-9AAE306693
3 4 5
3
6 7 8
A
6
B
4
C
D
E
REVIEWED BY APPROVED BY
- -
DOCUMENT KIND BASED ON DOC ID WORK ORDER ID PROJECT ID
Component Drawing
TITLE / SUPPLEMENTARY TITLE
COMEM LPT PER CATALOGO
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3
DOCUMENT ID STATUS REV ITER SHEET
NV-402
A
Development 3 3/3
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6 7 8
DRAWING SHEET ISO 5457: 1999-A3T
1
Figure 3

Electrical connection

Connection for 170SB
Dangerous electrical voltages!!!
It is imperative to deactivate the power supply during wiring of
the device.
Electrical connections may only be carried out by qualified,
skilled personnel trained in the applicable health and safety
regulations of the relevant country.
Figure 4
Make the switch connections as per the images (fig. 5).
2
Figure 5
WARNING
1 SWITCH 2 SWITCH
ST ND
13 21 13 21
14 22 14 22
7
5
9
8
2
3 SWITCH
RD
13 21
14 22
5