REV.2.0 / PL-QCK-M2000-EN
15
cULus Listed; UL 916 Energy Management Equipment, File E364757, Vol.1
24 VA
C
Bottom row:
common for all outputs
Bottom row:
common for all inputs
RTUS
INT Port: Prolon
digital temperature
sensor
- OR -
Incoming RS485
network
communication
(Modbus)
RTU
Incoming
communication
from remote
computer
- OR -
Network Controller
(dual RJ45 and
terminal blocks)
Controller’s power source
unit’s R&C terminals (24VAC)
RTUS
Net Port: Prolon digital
temperature sensor
- OR -
Incoming RS485 network
communication (Modbus)
RTU
Outgoing network
communication
(to zones)
AO3 - Bypass / VSD
AO2 - Economizer
AO1 - Preheating / Mod. heat
DO5 - Heat (W2) / Exhaust fan / Baseboard
DO4 - Heat (W1) / Preheat perm.
DO3 - Cooling (Y2)
DO2 - Cooling (Y1)
DO1 - Fan (G)
Static pressure (0-5 / 1-5V) (1 / 1.5 / 2 / 2.5 in)
CO2 sensor (4-20 mA)
External dry contact for proof of fan
Zone temperature setpoint (0-10K potentiometer)
Zone temperature sensor (10K thermistor)
Supply air temperature sensor (10K thermistor)
Return air temperature sensor (10K thermistor)
Outside air temperature sensor (10K thermistor)
Mixed air temp (10K therm) / Dry contact for
clogged filter / Dry contact for schedule override /
Auxiliary temp input (10K thermistor)
