Connecting The Remote Control Unit - Baxi Nuvola 3 BS 40 Series Operating And Installation Instructions

The boiler is prearranged for connection of an external probe (supplied as accessory).
For the connection, refer to figure 16 and the instructions supplied with the probe.
With the external probe connected, buttons
efficient of heat dispersion Kt (1...90). Charts 3 and 4 show the correspondence between the set value and the relative
curves. Intermediate curves can also be selected.
IMPORTANT:
the delivery temperature TM depends on parameter F16 (see section 20).
The maximum flow temperature it may 85 o 45°C.
Kt curves
Graph 3
TM = flow temperature
Te = external temperature

28. CONNECTING THE REMOTE CONTROL UNIT

(SUPPLIED AS ACCESSORY)
The remote control device is not a standard boiler component as it is supplied as an accessory.
Open the electronic board and connect the cable (supplied together with the two-pin terminal board) to connector CN7 on
the electronic boiler board. Connect the terminals of the remote control device to the two-pin terminal board (figure 17).
Figure 17
INSTRUCTIONS FOR FITTERS
+ -
/ adjusting the heating circuit temperature
Graph 4
55
(figure 1) regulate the co-
CN 7
7113868.01 - en