Filter Monitor; Frost Protection - Wolf WRS-K Installation And Operating Instructions Manual

Filter monitor

Filter check
Interval:
Time:
Esc BACK SELECTION

Frost protection

Frost protection
Restart
automatic
Esc BACK SELECTION
3062878_201707
10. Operating level 2
The filter is monitored for contamination.
For systems with single stage fans, a message is issued (filter dirty) when the contact
is open. The system continues to operate.
FT-01
For systems with variable speed or multi-stage fans, the fan is switched to a
predefined speed or stage at a time that can be freely selected. A message is
displayed (filter dirty) if, during this time or during controlled operation, the contact
028 days
opens. After 30 s, the system continues to operate under normal control.
05:00
If the system has stopped at that time, the filter test will be carried out when the
system starts again (exception if a special operating mode is enabled).
DISPLAY
Parameter
Interval
Time
Fan stage
Fan speed during filter test
Alarm delay
Filter monitor
The frost protection function prevents damage to the heater bank at low outside
temperatures. In addition to monitoring via the frost stats, the supply air is also
checked for a drop below the set value.
FS-01
A parameter enables the pre-selection as to whether, following a frost protection
function, the system should restart automatically or only after the corresponding fault
message has been acknowledged.
Frost thermostat:
The frost protection function remains active as long as the contact is open. The
DISPLAY
system shuts down if automatic restart has been selected and the frost stat
repeatedly responds within an adjustable time frame.
In any case, a fault message will be displayed and remains visible until it has been
acknowledged.
Frost protection via supply air temperature:
The frost protection function is active for an adjustable time. The system shuts
down if automatic restart has been selected and the supply air limit is not repeatedly
reached. In any case, a fault message will be displayed and remains visible until it
has been acknowledged.
The frost protection function is always active (even if the system is in standby mode).
Parameter
Restart
Frost thermostat auto. restart repeats
Within
Frost prot. above vent. air temperature
Limits
Runtime
Frost protection above supply air
temperature, automatic restart repeats
Within
Setting range Factory setting
1 - 365 days
0:00 - 23:59 h
1 - 3
20 - 100 %
0 - 30 s
Setting range Factory setting
After
acknowledgement /
automatic
2 - 10
20 - 180 min
Yes/No
0 - 10 °C
1 - 99 min
2 - 10
20 - 180 min
28 days
5:00 h
2 - 3
100 %
10 s
Automatic
5
30 min
No
6.0 °C
5 min
5
60 min
27