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APPENDIX WTC 600 LP / MP
Service Handbook 08.2004
1.3 Instructions for Use
The following instructions should be followed when operating the control system:
– Do not switch on/off the control system in quick succession. Wait at least 5 seconds between
switching the main switch on and off.
– The control system should only be operated under the ambient conditions (temperature,
humidity) mentioned in the technical data (see item 5). It is particularly important to protect the
control system against water and humidity. It must not come into contact with splash water or
condensed water.
– Manufacturer's seals (trimmer fixation, EPROM labels) must not be damaged. Otherwise the
right to assert claims for defect shall lapse.
– Should the control system become defective, take note of the type of problem
(consequences) before removing the system. The system can only be repaired if it is
completely removed and the failure correctly described.
– The max. admissible load of the circuit outputs as well as the total admissible load of the unit
(see item 5) must not be exceeded.
1.4 Safety Instructions
The following safety instructions are imperative:
– Diagnosis (see item 3.3) allows direct manipulation of all actuatores (valves, pumps,.etc.)
without interlocks or monitoring. Access to this function therefore requires a password and
only should be used by the experts.
– Should the control system not react in the normal way, it has to be switched off immediately
and the maintenance service has to be informed.
– Do not try to repair the control system yourself (loss of guarantee), always call the authorized
maintenance staff. Only this will guarantee a reliable and safe function of the system.
– When a protection device was activated (fuse, motor circuit breaker) you should first try to
clear the problem (e.g. clean the pump) before reactivating the protection device. Frequent
actuation always is due to a sensor/actuator failure which also could damage the control
system itself.
Non-observance of these instructions may cause damage to the control system and the unit
which may result in a loss of warranty.