56 789101112 34
76 543 21
TRA
TWS
AE-N
AE-L
COM
IA
C/F
0V
15V
PR3 - MODUCONTROL unit connection
• A 7-pole cable must be used with section of at least 0.5
mm
2
. The shield is not necessary.
• The connections must be made between the PR3 panel
terminal board and the corresponding terminal board on
the machine, following the attached diagram.
• The maximum connection distance in these conditions
is 150 m.
AE-N = Alarms contact (Neutral)
AE-L = Alarms contact (Line)
COM = Common
IA = Auxiliary switch contact
C/F = Season command signal
TRA = Season change contact
TWS = DHW thermostat contact
MAX 150 m
11
PR3_new.indd 11 24/06/2009 12.07.59
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