HTW ECO-THERMAL PLUS -V18WD2RN8PLUS Manual De Usuario E Instalacion página 95

Make sure to connect the thermostat wires to the correct terminals, method B should be selected (see "For room
thermostat" in 9.7.6 connection for other components). To correctly configure the ROOM THERMOSTAT in the FOR
SERVICEMAN mode see 10.7 Field settings/ROOM THERMOSTAT.
8.2 Application 2
Space heating without room thermostat connected to the unit. Domestic hot water tank is connected to the unit, and the tank is
with solar heating system.
20
1
1.3
1.5
1.6
1.7
1.2
1.1
Coding Assembly unit
1 Outdoor unit
1.1 Manometer
Pressure relief valve
1.2
1.3 Expansion vessel
Plate heat exchanger
1.4
1.5
Air purge valve
1.6
Flow switch
1.7
P_i: Circulate pump in the unit
2
Y-shape filter
3
Stop valve (field supply)
4
Wired controller
6
Drain valve (field supply)
7
Fill valve (field supply)
8
Balance tank (field supply)
8.1 Air purge valve
8.2
Drain valve
The volume of balance tank(8) should be greater than 40L. The drain valve (6) should be installed at the lowest positon
in the system. Pump(10) should be controlled by outdoor unit and connect to corresponding port in the outdoor unit(refer
to 9.7.6 Connection for other components/For outside circulation pump P_o).
NOTE
21
2 3
6 7
1.4
8
Coding
9
10
11
12
12.1
12.2
12.3
13
14
15
16
17
18
20
21
FHL 1...n
NOTE
12
4
12.1
12.1
9
8.1
10
8.2
FHL1 FHL2
Assembly unit
Expansion vessel (field supply)
P_o: Outside circulation pump (field supply)
Collector / distributor (field supply)
Domestic hot water tank (field supply)
Air purge valve
Heat exchanger coil
Booster heater
T5: Temperature sensor
Hot water tap (field supply)
P_d: DHW pump (field supply)
One way valve (field supply)
Bypass valve(field supply)
SV1: 3-way valve (field supply)
Solar energy kit(field supply)
P_s: Solar pump(field supply)
Floor heating loop (field supply)
12
14
13
15
12.3
16
12.2
11
17
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FHLn