History; Diagnostics Cascade; Priority/State; 6.27 Diagnostics Heat Source - Siemens RVS41.813 User Manual

History

Priority/state

Brine-to-water heat pump

Siemens Switzerland Ltd
HVAC Products
Line no. Operating line
8050 – 8069 History and state code state history 1 - 10
The last 10 status messages are saved or displayed together with the associated status
codes.
History 1 contains the latest message, history 10 the oldest.
The status displays currently valid for the enduser can be queried directly via the room
unit's info level.
Using the ACS 700 PC tool, the relevant actual values, setpoints and relay outputs can
be displayed for each status message.

6.26 Diagnostics cascade

For making diagnostics, priority and state of the sources, various temperature values,
and the current order of sources and stages can be displayed.
Line no. Operating line
8100 priority/state source 1
8102
... ...
8130 priority/state source 16
8101 state source 1
8103
...
...
8131 state source 16
8138 Cascade flow temp
8139 Cascade flow temp setp
8140 Cascade return temp
8141 Cascade return temp setp
8150 Source seq ch'over current

6.27 Diagnostics heat source

For making diagnostics, various setpoints, actual values, relay switching states and
meter readings can be displayed.
Line no. Operating line
8400 Compressor 1
8401 Compressor 2
8402 El imm heater 1 flow
8403 El imm heater 2 flow
8404 Source pump
8405 Speed of source pump
8406 Condenser pump
These operating lines are used to check the operating states of the components
controlled via the heat pump relays. The display of 0 indicates that the relevant
component is currently off. The display of 1 indicates that the relevant component is
currently on.
User manual RVS61.843, RVS41.813
6 The settings in detail
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CE1U2355en_02
28. September 2009