Grundig GHPH-MM08 Manuel D'utilisation page 40

8 Typical applications
Code Assembly unit
1 Main unit
2 User interface
4 Balance tank (Field supply)
4.1 Automatic air purge valve
4.2 Drainage valve
5 P_o: zone 1 circulation pump
(Field supply)
10 Expansion vessel (Field supply)
12 Filter (Accessory)
14 Shut-off valve (Field supply)
15 Filling valve (Field supply)
16 Drainage valve (Field supply)
• Space heating
Zone1 can operate in cooling mode or heating
mode, while zone2 can only operate in heating
mode; While installation, for all thermostats
in zone1, only "H, L" terminals need to be
connected. For all thermostats in zone2, only
"C. L" terminals need to be connected.
1) The ON/OFF of zone1 is controlled by the
room thermostats in zone1. When any
"HL" of all thermostatsin zone1 closes,
zone1 turns ON. When all "HL" turn OFF,
zone1 turns OFF; Target temperature
and operation mode are set on the user
interface.
40 / 276 EN
Code Assembly unit
19 Collector/distributor (Field supply)
21 Thermostat transfer board (Field supply)
23 Mixing station (Field supply)
23.1 SV3: Mixing valve (Field supply)
23.2 P_c: zone 2 circulation pump
(Field supply)
RT 1/2 Low voltage room thermostat
(Field supply)
RT8 High voltage room thermostat
(Field supply)
TZ2 Zone 2 water flow temperature sensor
(Field supply)
FHL Floor heating loop (Field supply)
1...n
RAD. Radiator (Field supply)
1...n
2) In heating mode, the ON/OFF of zone2
is controlled by the room thermostats in
zone2. When any "CL" of all thermostats
in zone2 closes, zone2 tums ON. When
all "CL" open, zone2 tums OFF. Target
temperature is set on the user interface;
Zone 2 can only operate in heating mode.
When cooling modeis set on the user
interface, zone2 keeps in OFF status.
Heat Pump Monobloc Inverter / User Manual