User's Manual

Installation
24VAC Power Connections
The PIU must be connected to a power source
equivalent to one or more of the following:
a. A listed Direct plug-in unit.
b. A Class II power source (defined by the
National Electrical Code (NEC) and the
Canadian Electrical Code (CEC).
c. A power source that complies with UL1950
C1.2.1 or UL60950 C1.2.5.
The unit must be powered by a limited power
source in accordance with standard
UL/IEC 60950-1.
Connect the FKN8264A cable to the 24 V AC PWR IN
connector as shown in Figure 12.
Connect the other end of the cable to the 24 V AC connection
of a 110 V AC/220 V AC transformer (not supplied) through a
1 A fuse (not supplied).
1A Fuse
24 V AC
0
~
110/220 V AC
AC Cable
FKN8264A
Figure 12
24VAC Power In Connection
17