Stulz EC Tower ECD 91 - Page 67

67 © STULZ GmbH – all rights reserved EN/01.2019/G22
EC TOWER TECHNICAL MANUAL
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02.02.2017
EC TOWER 091 D (VERSION 6)
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ECD 91 - Front view ECD 91 - Section through EC Tower
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Location of filter in Downflow units
In Downflow units, the filter is situated on the heat exchanger and is accessible from above.
No. Description
1
C7000AT controller
2
Door of junction box 1
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EC Tower
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Master switch
No. Description
1
C7000AT controller
2
Filter
3
Heat exchanger
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EC Tower
Procedure
1. Switch off the EC Tower on the C7000AT controller.
2. Switch off the master switch on the EC Tower.
3. Wait until the fan has come to a complete stop.
4. Secure the EC Tower so it cannot inadvertently be switched on.
5. Afx a “DO NOT SWITCH ON” warning sign to the EC Tower.
6. Pull the long and short plastic hoses out of the filter.