Hitachi YUTAKI RWM-2R1E - Page 177

ENGLISH
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Water pump conguration
Operation mode:
• Δ T: To control the pump speed to guarantee
the ΔT between Two and Twi.
• Fix: The water pump works at the specied
speed % at the space speed menu.
Space speed:
Selection of the % for the pump speed when x
mode is selected.
DHW speed:
Selection of the % for the pump speed when
using DHW.
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)
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.
Stop conditions:
• Standard
• Thermo OFF: The water pump
stops after Thermo OFF.
(DSW5 pin 4 ON).
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Night Shift
Starting time of Nigh Shift operation
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).
Ending time of Night Shift operation
UNIT CONTROLLER (PC-ARFH1E)
PMML0575 rev.2 - 03/2022
163