Hitachi PC-ARFH1E Betriebshandbuch Und Installationsanleitung Seite 59

1.8.2.7 Complementary Heating configuration
Solar combination:
The solar combination will enable you to
heat up your domestic water by means of
the sun whenever the sun is available.
Set input 4, output 4 and sensor (see
section "1.8.2.10 Inputs, Outputs and
Sensors configuration").
• Disabled: No solar Kit is installed.
• Input Demand: Alternative DHW tank operation is done
by solar system or YUTAKI unit. Solar input can disable
DHW operations done by YUTAKI unit.
✓ DHW Hysteresis (OFF, 35 ~ 240 min)
✓ DHW Maximum Time (5 ~240 min)
• Total Control: YUTAKI units controls the solar operation
for the system, based on different temperatures: DHWT
is heated by either the hot water that comes from
the solar panels or the hot water that comes from
the heat pump, depending on the solar temperature.
See detailed information in
control".
PMEN0602 rev.0 - 05/2023
"Solar combination - Total
Heating Source:
• HP Only
• HP + Heater
• HP + Boiler
• HP + Heater + Boiler (Only for
YUTAKI S and YUTAKI S COMBI)
Electrical heater: (Only when heating
source is configured as HP+Heater
or HP+Heater + Boiler) . See detailed
information in "Electrical heater".
Boiler combination: Boiler will only
operate if unit is in Space Heating
or Hot Sanitary Water modes. It
will always be disabled in any other
mode (Swimming Pool and Cooling
mode). Set output 3 and sensor
1 for boiler (see section "1.8.2.10
Inputs, Outputs and Sensors
configuration").
See detailed information in
combination".
"Boiler
1
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