Riello 20191845, Руководство пользователя

Страница: 88 / 143

90
ENGLISH
8.2.3 Double zone control
8.2.3 Double zone control
4
4.2
4.1
10
FHL1 FHL2 FHLn
19
Outdoor
Indoor
Tw2
23
23.1 23.2
5
RAD.1
RAD.2
RAD.n
ZONE1
ZONE2
RT2 RT3
21
RT4
RT5
RT7
RT6
RT8
RT1
2
Modbus
15
16
14
12
14
16
1
Code Assembly unit Code Assembly unit
1 Main unit 19 Collector/distributor (Field supply)
2 User interface 21 Thermostat transfer board (optional)
4 Balance tank (Field supply) 23 Mixing station (Field supply)
4.1 Automatic air purge valve 23.1 SV3: Mixing valve (Field supply )
4.2 Drainage valve 23.2 PUMP C: zone 2 circulation pump (Field supply)
5 PUMP O: zone 1 circulation pump (Field supply) RT 1…7 Low voltage room thermostat (Field supply)
10 Expansion vessel (Field supply) RT8 High voltage room thermostat (Field supply)
12 Filter (Accessory ) TW2 Zone 2 water flow temperature sensor (Optional )
14 Shut-off valve (Field supply) FHL 1…n Floor heating loop (Field supply )
15 Filling valve (Field supply) RAD. 1...n Radiator (Field supply )
16 Drainage valve (Field supply )
Space heating
Zone1 can operate in cooling mode or heating mode, while zone 2 can only operate in heating mode while installation for all thermostats in
zone1, only "HL" terminals need to be connectet.
For all thermostats in zone 2,only "CL" terminals need to be connected.
1) The ON/OFF of zone1 is controlled by the room thermostats in zone1.
When any "HL" of all thermostats in zone1 closes, zone1 turns ON.
When all "HL" turn OFF, zone1 turns OFF;
Target temperature and operation mode are set on the user interface.
2) In heating mode, the ON/OFF of zone2 is controlled by the room thermostas in zone2.
When any "CL" of all thermostats in zone2 closes, zone2 turns ON.
When all "CL" open, zone2 turns OFF.
Target temperature is set on the user interface.
Zone2 can only operate in heating mode.
When cooling mode is set on the user interface, zone2 keeps in OFF status.
The circulation pump operation
When zone1 is ON, PUMP O starts running.
when zone1 is OFF, PUMP O stops running.
when zone2 is ON, SV3 switches between ON and OFF according to the set TW2, PUMP C keeps ON.
when zone2 is OFF, SV3 is OFF, PUMP C stops running.
The floor heating loops require a lower water temperature in heating mode compared to radiators or fan coil unit. To achive these two setpoints,
a mixing station is used to adapt the water temperature according to requirement of the floor heating loops. The radiators are directly connected
to the unit water circuit and the floor heati n loops are after the mixing station. The mixing station is controlled by the unit.
b
CAUTION
1) Make sure to connect the SV2/SV3 terminals in the wired controller correctly, please refer to 9.7.6/2 for 3-way valve SV1,SV2,SV3.
2) Wire the thermostat to the correct terminals and configure the ROOM THERMOSTAT in the wired controller correctly. Wiring of the room
thermostat should followmethod A/B/C as described in 9.7.6 "Connection for other components/5 for room thermostats
NOTE
1) Zone 2 can only operate in heating mode. When cooling mode is set on user interface and zone 1 is OFF, "CL" in zone 2 closes, system still
keeps "OFF". While installation, the wiring of thermostats for zone 1 and zone 2 must be correct.
2) Drainage valve must be installed at the lowest position of the piping system.