92 UNT Controller—Unitary Controller (UNT)
Table 42: UNT100/101 Terminal Identification
UNT100 Series Controller
Terminal Description Terminal Description
AI CM Analog Input Common AI 1 Analog Input 1
AI CM Analog Input Common AI 2 Analog Input 2
AI CM Analog Input Common AI 3 Analog Input 3
AI CM Analog Input Common AI 4 Analog Input 4
AI CM Analog Input Common AI 5 Analog Input 5
AI CM Analog Input Common AI 6 Analog Input 6
+15 VDC +15 Volts DC +15 VDC +15 Volts DC Supply
BI CM Binary Input Common BI 1 Binary Input 1
BI CM Binary Input Common BI 2 Binary Input 2
BI CM Binary Input Common BI 3 Binary Input 3
BI CM Binary Input Common BI 4 Binary Input 4
24 VAC POWER Transformer High Side 24 VAC COMMON Transformer Low Side
ZBUS Zone Bus AREF N2 Reference and
ZBUS Common
N2A+ N2 Bus + N2A- N2 Bus -
24 VAC 24 Volts AC BO 1 Binary Output 1
24 VAC 24 Volts AC BO 2 Binary Output 2
24 VAC 24 Volts AC BO 3 Binary Output 3
24 VAC 24 Volts AC BO 4 Binary Output 4
24 VAC 24 Volts AC BO 5 Binary Output 5
24 VAC 24 Volts AC BO 6 Binary Output 6
24 VAC/AOCM 24 Volts AC/
AO Common
BO 7/AO 1 Binary Output 7
Analog Output 1
24 VAC/AOCM 24 Volts AC/
AO Common
BO 7/AO 2 Binary Output 7
Analog Output 2