Version
Document
Preliminary 003
Access V4.X Configuration manual
12 (33)
2019-05-13
Sequence type
Each active sequence has to be defined for control of specific device type. Selecting device type reveals
relevant settings (e.g. if water heating is selected, then pump control and frost protection options will be
available).
Configured sequences (for electric heating and DX cooling) can be used as input for step controllers.
Configuration > Functions > Function activation > Heating/Cooling sequence setup > Step
controller
For combined heating/cooling
–
changeover option for connecting two sequences can be configured.
Configuration > Functions > Function activation > Heating/Cooling sequence setup >
Changeover settings
Heating
Water heating
When the unit is in running mode the heating valve is controlled by the analogue output and digital
output (“SEQ
-
A pump”) for pump control and/or signal (“SEQ
-
A start”) for start heating.
Pump indication
A feedback from pump (“Feedback SEQ
-
A”) can be used, “running indication or alarm indication.
Frost protection temperature sensor