PR3 - Unit with MICROCHILLER connection, maximum distance 30 metres
• A 7-pole cable + shield must be used with section of at
least 0.5 mm 2 .
• The connections must be made between the PR3 panel
terminal board and the corresponding terminal board on
the machine, following the attached diagram.
• Connect the cable shield to the GND signal present on
pole 8A of the return terminal board.
• The maximum connection distance in these conditions
is 30 m.
PR3 - Unit with MICROCHILLER connection, maximum distance 150 metres
• For distances exceeding 30 m and up to a maximum of
150 m the SDP board must be positioned. The SDP acces-
sory must be mounted on the machine inside the electric
control board.
• The cable shield does not have to be connected for this
type of connection.
Electric connections
AE = Alarms contact
COM = Common
IA = Auxiliary switch contact
C/F = Season command signal
6A
1
6
2
14
3
SDP
10
4
10A
5
5A
6
5
7
M1
8A
5
5A 10A 10
MAX 30 m
7
6
5
4
7
6
5
4
3
2
1
M2
7
6
5
4
14
6
6A
3
2
1
3
2
1
9