Johnson Controls UNT110-1 Manual page 91

What's Different
About the
UNT100/101
UNT100/101
Terminal
Designations
Appendix B: UNT100/101
This section contains information specific to the discontinued
UNT100/101. To troubleshoot the UNT100/101, refer to the
Troubleshooting section of this technical bulletin.
The following list contains features of the UNT100/101 which differ from
the other UNT types.
•
No earth ground connections are allowed when wiring a
UNT100/101 series controller.
•
The N2 bus is not isolated. The secondary of the 24 VAC transformer
cannot be grounded.
•
The BIs can accept dry contacts only, not 24 VAC. They can also
accept 100 Hz as accumulator input.
•
The BO is not jumper selectable. The triac switches to the common
side of 24 VAC only.
ANALOG INPUTS
+
-
Figure 41: UNT100 Terminal Designations
T M
A S -U NT 1 0 1 -0
A N A LO G IN P UT S BIN A RY O UTPUT
BIN A RY IN
1 2 3 4 5 6 1 2 3 4 COM 1 2 3 4 5
P W R
IN
24V
A N A LOG IN PUT S 24V A C TO LO A D S
BIN A R Y C O M
A C
C OM M O N
BIN ARY IN BIN ARY OUTPUTS
TO ZONE STAT
BINARY IN
24VAC
COMMON
24VAC
POWER
UNT Controller—Unitary (UNT) Controller 91
1 2 3 4 5 6 7 8
OF F
0- 10 V D C
A NA L O G
O UT P U T
6 1 2
ANAL OG
OUTPUT
COMMON
BINARY OUTPUTS
untrm100