Installation Instructions
© BTG 2019
User Manual CPM II2066en Rev.B
15
2.5.1
AC Connection to Power Supply Unit
A specific instruction manual for the power supply unit can be found inside the
CPM box.
NOTE!
Before installation, ensure that all power to the system has been turned off.
Cable connections must be made by authorized personnel.
NOTE!
Overcurrent protection is included in the power supply unit.
NOTE!
An external 2-pole switch close to the CPM is required as shown in Fig 7
(Not delivered from BTG).
The switch should be marked "Disconnecting device".
NOTE!
The connection cable must be able to withstand an ambient temperature of at
least 75 °C (167 °F).
1. Insert the power supply cable through the cable gland.
2. Connect the AC cable (100 - 240 V AC, 50-60 Hz) to the power supply unit
as shown in Fig 7.
DANGER
Hazardous voltage
in the equipment
+ + - -
100 240 V AC
-
N
L
50W
+
+
-
-
N L
100 240 V AC
-
PE N
L
N
L
+
+
-
-
AC
100-120/
200-240 V
AC
100-120/
200-240 V
+
+
-
-
N L
PE
N
L
AC
100-120/
200-240 V
Fig 7 Connection of AC
cable
Fuse
Min. 4 A (200-240 V)
Min. 6 A (100-120 V)
Fuse
Min. 2 A
