Owner's Manual

1
Installation


24VAC Power Connections
The PIU must be connected to a power source
equivalent to one or more of the following:
C a u t i o n
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 (24V AC) in accordance with the UL/IEC
60950-1 standard. See Power in Appendix A
below.
1. Connect the FKN8264B cable to the 24 V AC PWR IN
connector as shown in Figure 12.
2. 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
0
24 V AC
~
110/220 V AC
AC Cable
FKN8264B
Figure 12
24VAC Power In Connection
!
!