4
REV 6.1.4 / PL-INSTL-WIRING-EN
2 - PL-NC2000 Network Cont PL-M2000 Unit Controller(s)
Recommended wiring for communication: #24/2, stranded, twisted and shielded, low-capacitance.
Recommended wiring for 24vac supply: #18/2, stranded.
*Connect “24VAC“ and “C” terminals to “R“ and “C“ terminals respectively on A/C control board.
COMMUNICATION
BUS TO ZONES
PL-M2000-RTU or PL-M2000-HP
UNIT CONTROLLER
PL-NC2000
NETWORK CONTROLLER
(optional)
BIAS ON
TERM ON
BIAS ON
BIAS OFF
TERM OFF
BIAS OFF
R *
C *
COMMUNICATION
BUS TO ZONES
PL-M2000-RTU or PL-M2000-HP
UNIT CONTROLLER
BIAS OFF
TERM OFF
BIAS OFF
R *
C *
COMMUNICATION
BUS TO ZONES
PL-M2000-RTU or PL-M2000-HP
UNIT CONTROLLER
BIAS OFF
TERM ON
BIAS OFF
R *
C *
C
24Vac
