Grundig GHPH-MM08 Manuel D'utilisation page 39

8 Typical applications
10 Expansion vessel (Field supply)
12 Filter (Accessory)
14 Shut-off valve (Field supply)
15 Filling valve (Field supply)
• Space heating
Cooling or heating mode is set via the room
thermostat, water temperature is set on the
user interface.
1) When any "CL" of all the thermostats close,
system will be set at cooling mode.
2) When any "HL" of all the thermostats close
and all "CL" open, system will be set at
heating mode.
8.2.3 Double zone control
Outdoor
Heat Pump Monobloc Inverter / User Manual
Indoor
Modbus
FHL
Floor heating loop (Field supply)
1...n
FCU
Fan coil unit (Field supply)
1...n
• The circulation pumps operation
1) When the system is in cooling mode, which
means any "CL" of all the thermostats
closes, SV2 keeps ON, P_o starts running.
2) When the system is in heating mode, which
means one or more "HL" close and all "CL"
open, SV2 keeps OFF, P_o starts running.
ZONE1 ZONE1
ZONE2 ZONE2
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