OSTBERG HERU 400-2400 S, User Manual

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74 / 120
Climatix HERU® 400-2400 2018-02-13
Expansion module with outer components
3-stage (1/3 - 2/3 output distribution)
Stage order, 3-stage DX DX-1 DX-2
Cooling not active Off Off
1st stage On Off
2nd stage Off On
3rd stage On On
13
Start
DX-1
Cooling
unit
DX-C
11
12
14
86
Alarm
indiction
87
EXP1
Start
DX-2
Alarm DX cooling
Alarm signal or operation indication (feedback) from the DX cooling unit can be used.
An alarm in the DX cooling unit will then be presented as Alarm Cooling in the HMI.
For activation/configuration:
Parameter name
Area Select
Main index > Configuration > Configuration 1
Expansion
module
No, One, Two One
Cooling No, Water
DX 1stage, DX 2stage, DX
3stage
….
Select suitable DX stage
Restart
√
, Execute Execute
Main index > Configuration > Configuration 2
Alarm DX cooling
No / Alarm / Return / Alarm+
Return
(Alarm+return, not applicable to
HERU® CX ) - No
If no alarm/ind. is used
- Alarm
Common alarm in DX
cooling unit
- Return
Operation indication in DX
cooling unit
Restart
√
, Execute Execute
Main index > Configuration > Config. IOs > Digital alarms
DX cooling
… X16
Main index > Configuration > Config. IOs > Outputs temp.control
DX cooling
output 1
… DO11
DX cooling
output 2 … DO12
Restart
√
, Execute Execute
Connection
Parameter