Hitachi PC-ARFH1E - Page 61

52
PMEN0602 rev.0 - 05/2023
1
MENU
PC-ARFH1E FUNCTIONALITIES
◆ Boiler combinaon
Bivalent point:
• Boiler is allowed to operate in case ambient
temperature is below this value
Minimum ON me:
• Time that must pass before
stop boiler aer being
switched ON
Minimum OFF me:
• Time that must pass before
start boiler aer being
switched OFF
Waing me:
• Delay me to start Boiler in case all condions
allow Boiler to start aer HP has been started for
Space Heang
DHW by boiler:
• Control to allow heat DHW by means Boiler
Wait me for DHW:
• Delay me to start Boiler for
DHW in case all condions
allow Boiler to start aer HP
has been started for DHW.
Combinaon mode:
• Serial: Boiler operates in series with the heat-
pump. The boiler provides addional peak load
capacity and works together with the HP
• Parallel: Boiler operates in parallel with the
heat pump. The boiler provides the full heang
requirements. In case Boiler is ON, HP is not
allowed to operate
Supply seng oset:
• Seng oset for Boiler. Higher values imply earlier
stoppage of Boiler and vice versa.