169/221
Siemens Switzerland Ltd
User manual RVS61.843 CE1U2355en_02
HVAC Products 6 The settings in detail 23. November 2007
Error list
The error text in the following table corresponds to the clear-text on the display of the
operator unit.
Sensors or contacts in connection with error messages.
The errors are reset either manually or automatically, depending on the type of error
(refer to the following table with the error messages).
Manual reset
In the case of error displays on the info level where “Reset?“ appears, the error can be
manually reset.
2359Z140
0
4 8 12 16 20 24
AUTO
229:Low-pressure
Error
Reset?
Yes
After pressing the OK button once, “Yes” appears blinking on the display. Pressing the
OK button a second time confirms the “Yes“ and resets the error.
Automatic reset
Automatic acknowledgement takes place on completion of the preset period of time
(OEM parameter). When this time has elapsed (default setting 6 hours), the controller
tries to reset the error.
If the table shows “Number“, it can be selected how many times the error shall be reset
before the heat pump triggers lockout.
This indicates whether or not the heat pump can continue to operate should a fault
occur.
Yes
The heat pump continues to operate although an error message was delivered.
No
Error causes the heat pump to shut down.
No with brine
In the case of brine heat pumps, the error causes the heat pump to shut down; in the
case of water or air heat pumps, the heat pump will continue to operate.
No with water
In the case of water heat pumps, the error causes the heat pump to shut down; in the
case of brine or air heat pumps, the heat pump will continue to operate.
No with air
In the case of air heat pumps, the error causes the heat pump to shut down; in the case
of brine or water heat pumps, the heat pump will continue to operate.
Plant diagram-dependent
Heat pump shutdown depends on the plant diagram currently used.
The errors are assigned priorities. From priority 5 (that is, priorities 5 - 9), alarm
messages are delivered, which are used for remote monitoring (OCI). In addition, the
alarm relay is set.
Error text
Lo-cation
Reset
HP operation
larm messages
To Next Page
Loading...
