11
Display
State
Description
n ALL
n = 0 Deactivated
Alarm relay test
n = 1 Activated
n trP
n = 0 Deactivated
Trip relay test
n = 1 Activated
n FLt
n = 0 Deactivated
Fault relay test
(Inversion of the logic that allows faults to be signaled if the supply
is locked can be considered)
n = 1 Activated
n Fan
n = 0 Deactivated
Ventilation relay test
n = 1 Activated
5. OPERATION AND MAINTENANCE
5.1 Starting
Power the terminals to start the MB 103 Temperature Control Unit.
5.2 Maintenance
Always perform the following inspections on the dehydrator during scheduled maintenance of the transformer:
·
Check the operation of the LEDs.
·
Check the operation of the display.
·
Check the failure contact.
CAUTION
If possible, group all parts of the instrument in a separate area from the relay
powering section.
Do not install the following components in the same switchboard: high power
teleswitches, counters, relays, thyristors and, especially, phase displacement
units, motors, etc.).
Before applying the MB 103 Temperature Control Unit, wait for the equipment
to reach room temperature (at least 1 hour).
