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4.10.2 Supply cables and external connections
passage
All the cables to be connected to the burner are fed through the
grommets. See figure on the right.
The use of the cable grommets can take various forms.
By way of example we indicate the following mode (according to
UL795):
1 three phase power supply with
2 single phase power supply and other devices with
grommet.
3 Available: consents/safety, minimum gas pressure switch, gas
valves and other devices with
Z
3
3
1
3
2
A
The control panel is in compliance with UL508A.
WARNING
After carrying out maintenance, cleaning or check-
ing operations, reassemble the hood and all the
safety and protection devices of the burner.
Installation
1
/
inch cable grommet;
2
1
/
inch cable
2
3
/
inch cable grommet.
8
3
23
Cable grommets used in factory:
A - Fan motor
B - Maximum gas pressure switch
C - Air/Gas servomotor
Z
3
3
GB
20161057
B
C
3
A
2
1
Fig. 21
20160778
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