Installer Connections; Installation Procedure - Baxi PBM-i 20 Manual Del Usuario

INSTALLER CONNECTIONS

COLLEGAMENTO ELETTRICO DI POTENZA ALLA RETE DI ALIMENTAZIONE
Outside air probe (BT11) connection
The outside air probe allows the system water temperature
set point to be compensated during heating or cooling opera-
tion.
Installation instructions
The outside air probe must be installed:
• outside of the home
• not in direct sunlight, away from flue gas discharges, air
outlets, or doors and windows.
• on a perimeter wall facing north/north-west
• at a minimum height of 2.5 metres above the ground or at
most half way up the house.

Installation procedure:

• Turn the probe cover inwards and remove it (1)
• Identify the correct installation position for the probe (see
"installation instructions)
• Fix the probe to wall at the correct height from the ground
(see the drawings), using the holes provided (2)
• Insert the connection cable in the cable gland on the probe
• Make the electrical connections as shown in figure (A-B),
also see the wiring diagram.
Make the connections according to the distance:
A. maximum distance 10 metres
B. maximum distance 100 metres
• Unscrew the two screws on the protective cover
and move dipswitch 7 to ON, see figure (3)
• Reposition the covers.
Maximum distance 10 m
A
18 PBM 20÷40 EN
1
3
BT11 probe terminal block
ON
1 2 3 4 5 6 7 8
2
cover
Installer terminal block
47 48 49 50
I A I A
N
N-W
fastening
holes
ON
1 2 3 4 5 6 7 8