9 © STULZ GmbH – all rights reserved EN/01.2019/G22
EC TOWER TECHNICAL MANUAL
2.4 Other applicable documents
Besides this technical documentation, please also observe the following documents:
• User Manual “C7000 Controller for EC Tower” (ECD/U 091, 181, 251 (version 07), ECD/U 502 (version
03 or later))
• Technical Manual for outdoor unit
• Circuit diagram (supplied with the air conditioning unit on delivery
• Start-up report for EC Tower (for ECD/U 091, 181, 251 (version 07))
• Technical Manual for WIB 8000
• Repeated inspection: according to EN 378
The operator is responsible for the execution.
The operator must ensure that all maintenance, inspection and assembly work is carried out by authorised
and qualified specialist staff who have made an in-depth study of the operating instructions.
It is absolutely essential to comply with the procedure for shutting down the system described in the operating
instructions. Before maintenance work, the unit must be switched off at the main switch and a warning sign
displayed to prevent unintentional switching-on.
Unacceptable operating methods
The operating safety of the system is only guaranteed when it is used as intended. The limit values stipulated
in the technical data must not be exceeded under any circumstances.
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