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Service menu
Heating
Description
Shown for the water
heating coil 2
Forced control of water heating coil 2
Forced operation is only possible once the unit has star-
ted.
●
Set forced operation setpoint [%]
●
Current input air temperature [°C]
●
Set remaining time until forced operation terminates
[hh:mm:ss]
●
Activate forced operation: On/ Off
●
Current signal at heat output [V]
●
Current status Heat relay 21: Open/closed
Shown for the water
heating coil 2
Set pump operation
Pump operation can be set to:
●
Constant operation
●
Auto
●
Outdoor air temperature
●
Heating requirement
Start
appears when pump is in operation.
Shown at Water heating
coil 2 and if
outdoor
temperature
is selec-
ted
Set pump 2 start temperature
●
The pump starts when the outdoor temperature is
lower than the set value. [°C]
Start
appears when pump is in operation.
Shown at Water heating
coil 2 and if
outdoor
temperature
is selec-
ted
Set pump 2 start temperature
●
The pump starts when the outdoor temperature is
lower than the set value. [%]
Start
appears when pump is in operation.
Shown for the water
heating coil 2
Setting of frost protection in water heating coil 2
●
Set temperature for full frost protection [°C]
●
Set temperature for frost alarm [°C]
●
Set frost protection P-band [°C]
●
Set heat boost upon start-up [%]
●
Set Water heating coil temperature to standby [°C]
●
Current water temperature [°C]
3005263-2015-08-20
Service level
34/52
Summary of Contents for VEX4000
Page 52: ......