Hitachi PC-ARFH1E Installation And Operation Manual page 63

Wired remote controller for yutaki units
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◆ Water pump configuration
  
Swimming pool speed:
Selection of the % for the pump
speed when using Swimming
pool.
Minimum OFF Time:
Minimum time of the water pump
OFF.
• Only when Economic mode is
active (DSW)
Stop conditions:
• Standard
• Thermo OFF: The water pump
stops after Thermo OFF.
(DSW5 pin 4 ON).
◆ Night Shift
  
PMEN0602 rev.0 - 05/2023
1 / 2
2 / 2
Ratio of reduction in heat pump capacity
Status of activation of Night Shift (reduction of compressor load in
order to reduce operation noise during the night hours).
Starting time of Nigh Shift operation
Ending time of Night Shift operation
Operation mode:
• ΔT: To control the pump speed to
guarantee the ΔT between Two and Twi.
• Fix: The water pump works at the
specified speed % at the space speed
menu.
Space speed:
Selection of the % for the pump speed
when fix mode is selected.
DHW speed:
Selection of the % for the pump speed
when using DHW.
Minimum ON Time:
Minimum time of the water pump ON.
• Only when Economic mode is active
(DSW)
Overrun Time:
Added operation time of water pump after
Demand OFF.
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