OSTBERG HERU 400-2400 S, User Manual, Page: 51 / 120

51 / 120
2018-02-13 Climatix HERU® 400-2400
External components basic unit
Wh
Frost protection
temp. sens or
GT8
43
44
For activation/configuration:
Parameter
name
Area Select
Main index > Configuration > Configuration 1
Heating
No, Yes Yes
Electric
heating No, Analog, 1 stage, ... No
Restart
√
, Execute Execute
Main index > Configuration > Configuration 2
Frost
protection
sensor heating
No, Sensor, Sens+2sp,... Sens+2sp
Restart
√
, Execute Execute
Electric heating coil
All electric air heaters must always be pre-regulated via flow in the supply air ducts.
This is done using a pressure sensor that measures duct pressure in the supply air duct
in relation to atmospheric pressure. The pressure switch is normally connected,
electrically, at delivery.
994020617 Pressure switch 30-300 Pa with hose package (only pressure switch)
995010010 Flow monitor EHC 300 Pa, 5 m cable (pressure switch with cable set)
The hose is mounted as follows:
+
-
Supply air duct
GP5
+ (plus) on GP5, will measure the duct pressure of the supply air
- (minus) on GP5, must be unconnected, will measure atmospheric pressure
Connection
Parameter
EHC
Part no.:
GP5