OSTBERG HERU 400-2400 S, User Manual

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Climatix HERU® 400-2400 2018-02-13
External components basic unit
GN1
57
58
G*
G0*
C
NO
24V AC/DC
24V AC/DC
NC
*G0 = P.47,50, 51, 58, 60, 62, 99
*G = P.46, 49, 100
Configuration, see chapter on Timer prolonged operation
External control from BMS, multiple speeds.
HERU® CX has two control inputs to control flan operation to multiple speeds/stages.
-
Control input 1 is on all versions of HERU® CX.
- Control input 2 is on all versions of HERU® CX, but cannot be combined with filter
monitor or quick stop.
-
If two control inputs are active:
Control
input 1 Control
input 2 Fan operation is controlled to
ON OFF Stage 1
OFF ON Stage 2
ON ON Stage 3
Selectable in HMI (AUTO, OFF, Stage1, Stage2, Stage3)
OFF OFF AUTO = time channel
If the time channel is set to OFF during the week
schedule, this will cause an external stop from BMS.
For only 1 control input, read function and configuration according to Timer, see above.
Signals from BMS are connected as follows:
BMS
57
58
59
60
C
NO
C
NO
Control input 1
Control input 2
For activation/configuration:
Parameter name
Area Select
Main index > Configuration > Configuration 1
Filter alarm
No, supply air, Combi, extract No
Emergency stop No, Yes No
External control
input No, One, Two Two
Restart
√
, Execute Execute
Main index > Unit > Operating functions > External control
Fan stage
Auto, Off, Stage1, Stage2, Stage3 Stage 3
Main index > Unit > Operating functions > Time switch program > Schedule > Monday...
External control
Important!
Connection
Parameter