page 9 of 9 008TA14 BU-094-A Revision : 7 Page 9 / 9
Electrical Connection Board Descriptions
X1.1
X1.2
X1.3
X2.1
AC supply Line or Hot (L or H)
X2.2
Connection Heating Cable A
X2.3
Connection Heating Cable B
X3.1
X3.2
X3.3
X4.1
Alarm Relay COM
X4.2
Alarm Relay NC
X4.3
Alarm Relay NO
X5.1
Connection RTD / PT100 Sensor
X5.2
Connection RTD / PT100 Sensor
X5.3
Connection RTD / PT100 3-Wire (not required when using 2-wire-sensor)
Common Ground Protection (PE) Connection