System description
80AW2
The module can control, in heating or cooling mode, up to 2
sensor controlled zones.
See paragraph Installation schemes for more details.
Hydronic modules that are not equipped or that are not
using electrical heaters, can be connected to an external
boiler.
Electrical heaters and boiler are referred to as auxiliary
heaters.
See Fig. 11
1- Hydronic module (80AW2---)
2- Conex II user interface (mandatory accessory)
3- Manometer
4- Outdoor sensor
5- Room temperature sensor for zone 2 (supplied in the
zone kits 80AW9019 and 80AW9020)
6- Water fi lter
7- Primary water pump
8- TWA sensor (water entering heat exchanger)
9- TC sensor (refrigerant sensor)
10- Refrigerant connections (3/8", 5/8")
11- TWC sensor (water exiting heat exchanger)
12- Heat exchanger
13- Pressure switch
14- Flow switch
15- 3 way valve for sanitary water
16- Buff er tank (25 lt)
17- Connections for zone 1 kit
18- Connections for zone 2 kit
19- Air purge valve
20- TWB sensor
21- Electric heater (not for 80AW200-)
22- Electric heater manual reset safety switch (not for
80AW200-)
23- 3 bar pressure safety valve
24- Filling valve with disconnector (1/4" M)
25- Connections for sanitary water tank / swimming pool
heater (1" F)
26- Connections for external heat source (1" F)
27- Ball valve for fi lter cleaning
28- Zone kit with 3 way valve
29- Direct zone kit
30- Modulating 3 way valve
31- Water pump
32- TW1 or TW2 sensor
33- Floor heating manual reset protection
Note: the picture shows the zone kit with 3 way valve
connected on zone 1 connections and the direct zone kit
connected on zone 2 connections. On each side, both kits
are possible.
Zone kits
See Fig. 5, 6.
Figure
Description
Fig. 5
Zone kit with 3 way valve
Fig. 6
Direct zone kit
1- Water pump
2- Modulating 3 way valve
3- TW1 or TW2 sensor
4- Floor heating manual reset protection
5- Room temperature sensor for zone 2
See paragraph Connections for AW2 for more details.
80AW1- 80AWT - 80AW2
Symbol
Part number
3W
80AW9019
D
80AW9020
11