1.
Flip up the fuse top.
Note
Opening automatically cuts the
power.
2.
Open the top part from the side
using a screwdriver.
Phase monitor
The phase monitor is located behind
terminal strip X50 at the back of the
connection array. It monitors the com-
pressor power supply feed.
Two versions may be used.
The following alternatives are set up
in the delivered condition:
Over/undervoltage
15 %
Phase asymmetry
15 %
Switching delay
4 s
Remove the cause if the relay
responds. The relay does not need to
be reset.
Fuse
(cont.)
127
Components
55
92
901
GB
Service
Summary of Contents for VITOCAL 300
Page 19: ...Connection diagram Open CLOSE System version 1 cont 19 Preparing for installation 5592 901 GB...
Page 22: ...Connection diagram Open CLOSE System version 2 cont 22 Preparing for installation 5592 901 GB...
Page 137: ...Control PCB 137 Connection and wiring diagrams 5592 901 GB Service...
Page 140: ...Parts lists cont 140 Parts lists 5592 901 GB...
Page 141: ...Parts lists cont 141 Parts lists 5592 901 GB Service...
Page 159: ...159 5592 901 GB...