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The following options are available:
Auto = Power unit is in automatic mode
0 %
= Power unit is switched off
100 % = Power unit is switched on at 100 %
The power of the modulating stage can be set to the manual mode in steps of 10 %.
Note:
After service and maintenance work, the relay mode must be set back to
Auto. Normal operation is not possible in manual mode.
4.13 User code
The access to some adjustment values can be restricted via a user code (customer).
1. Installer 0262 (Factory setting)
All menus and adjustment values are shown and all values can be altered.
If the installer user code is active, an E is displayed next to the clock time.
2. Customer 0000
The installer level is not shown, adjustment values can be changed partly.
For safety reasons, the user code should generally be set to the customer code
before the controller is handed to the customer!
Î In order to restrict the access, enter 0000 in the User code menu item.
5
Troubleshooting
If a malfunction occurs, a message will appear on the display of the controller (see
page 21).
WARNING!
Electric shock!
Upon opening the housing, live parts are exposed!
Î Always disconnect the device from power supply be-
fore opening the housing!
Power stage
(output)
F16 A
Controller with power unit
The controller with power unit is protected by two fuses (16 A). The fuse holders
become accessible after the cover is removed. To replace the fuse (T16A), unfasten
the fuse holder using a screw driver and pull it from the base.
To replace the fuse (F16A), pull the fuse holder from the base.
Power supply
(input)
T16 A
N
L
Out N
Out 2
Out N
Out 1
27
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