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7 - ADDITIONAL ROOM TEMPERATURE THERMOSTAT (not supplied)
ADDITIONAL CHRONOTHERMOSTAT - MODEM (not supplied )
The control panel ensures that your appliance is provided with all the required programming and temperature adjustment functions:
the appliance can be connected to an additional room temperature thermostat or to an additional chronothermostat:
---> for an additional room temperature thermostat connect terminals 7-8 directly to terminal bock CN7 on the board as illustrated in
Figure 1.
---> for the additional chronothermostat – modem connect terminals 9-10 directly to terminal bock CN7 on the board as illustrated in
Figure 1.
Contacts are defined as "CLEAN" contacts and they must never be fed with 220 V. It is strictly prohibited to supply any tension
whatsoever to the above-mentioned terminals as this would permanently damage the control board; such damage is not covered by
WARRANTY.
LEGENDA
KEY
Cronotermostato (optional)
Chronothermostat (optional)
(morsetti 9-10 Morsettiera CN7)
(terminals 9-10 Terminal block CN7)
Termostato ambiente (optional)
Room thermostat (optional)
(morsetti 7-8 Morsettiera CN7)
(terminals 7-8 Terminal block CN7)
7.1 OPERATING WITH THE ADDITIONAL ROOM TEMPERATURE THERMOSTAT (not supplied)
An additional room temperature thermostat can be installed by connecting it to the board as indicated in Figure 1. The operating
principle is as follows:
-When the room temperature reaches the set temperature (only during the WORK phase) the thermostat closes the contact and the
appliance shifts to the minimum room fan speed and minimum combustion power. This condition is indicated on the display by the
blinking ventilation bar and combustion bar: the appliance ignores all commands transmitted to it. By using the room temperature
thermostat the appliance does not shut down, therefore electrical energy consumption is kept to the minimum and the appliance
has a longer life. -When the room temperature drops the thermostat opens the contact and the appliance returns to its original
position in terms of thermal power and ventilation. In this position the appliance can be started up automatically via the
programming.
CAUTION: Use N.O. (normally open) contacts for the connection to the additional room temperature thermostat.
The thermostat must have a thermal hysteresis that is not less than 2°C.
1
2
1
3
2
4
MORSETTIERA CN7
2
3
1
12
10
11
9
7
8
6
( morsetti 9 - 10 Morsettiera CN7)
Cronotermostato (optional )
( morsetti 7-8 Morettiera CN7)
Termostato ambiente (optional )
2
4
5
3
1
8
5
6
7
10
9
Figura 1
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