ABB SCK - Specific Checks for Probe H

OI/SCK
-EN Rev. E Operating instruction SCK Gas Sampling System 127
Checks to perform when using probe H
Danger of electric shock when control cabinet is open, open connection or
terminal boxes
 Only specialized electrical personnel may work on the electrical system.
 Observe national regulations pertaining to electrical equipment.
 The main terminals -X30, -X40 and the input terminals of the main switches
-Q30, -Q40 are live even when the main switches are off.
 All metallic parts in the environment that can be touched at the same time
as the machine must also be grounded together.
 Check pre-protection according to the documentation.
In addition to the usual checks when starting up the probe for the first time,
additional checks are required when using probe H.
These are:
 Checking current monitoring relay settings
 Checking probe H heating power supply
The following illustration shows the position of current monitoring relays -
K35 and -K36 in the control cabinet:
 Control cabinet key to open the control cabinet
The following conditions must be met:
The service switch is in the ON position, the gas sampling probe is retracted
from the kiln (see Operating the service switch on page 161).
Current-carrying
components
Meaning
Position
Tools required
Requirements