Low Hz High Pressure Limit; Separate Into Zones - Daikin Altherma EKHBH Series Service Manual

Outdoor Unit Functional Concept
3.10

Low Hz High Pressure Limit

1
Outline
2

Separate into zones

3
Note
4
5
2–22
Heat Pump Only
Set the upper limit of high pressure in a low Hz zone. Set the upper limit of the indoor heat exchanger
temperature by its operating frequency of Hz. Separate into three zones, reset zone, unchanged zone
and drooping zone and the frequency control must be carried out in such zones.
Highest heat
exchanger
temperature
among the
operating rooms
Drooping: The system stops after staying in the drooping zone for 2 minutes.
60˚C
Reset zone
Drooping zone
59˚C
Unchanged
zone 56˚C
Part 2 – Functional Description
ESIE06-03