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Connecting zone valves controlled by
the room thermostat
Ambient
thermostat
T
V
Zone valve
with micro
contacts
Figure 5.22
Use the room thermostat cable indicated in
Figure 5.21 to connect the zone valves. The
electric conductors on the zone valve micro
contacts must be connected to the ambient
thermostat cable wires as shown in Figure
5.22.
Do not connect live cables to
the room thermostat cable.
5.13 Electrical connection of the re-
mote control (optional)
Use the ambient thermostat cable marked
with a label indicated in Figure 5.21 to con-
nect the remote.
5.14 Enabling of operation with re-
mote control (optional)
The boiler leaves the factory with a room
thermostat enabled.
INSTALLATION
N
L
To change this setting to remote control,
enter "programming mode" by holding
down buttons 18 and 19 for 5 seconds at
the same time (Figure 5.23). The code P00
appears on the display, indicating entry into
"parameter P00" (Figure 5.24).
19
13
14
Figure 5.23
Figure 5.24
• Scroll through the various parameters us-
ing 13 or 14 until the LCD display shows
the message Cod, indicating entry into
"parameter Cod" (Figure 5.25), and then
displays three dashes "- - -".
Figure 5.25
• Press the 17 button to set "1 - -", then
press 13 to confirm the 1 and go to the
next segment.
• Press the 17 button to set "1 9 -", then
press 13 to confirm the 9 and go to the
next segment.
18
17
16
RESET
bar
RESET
bar
- 43 -
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