EngA CenCon

CenCon
40
TERMINAL DESCRIPTION
Terminal
Type
Name
Description
Value
H N
Power Supply
24Vac Grounded Neutral
24 Vac
GND
Ground
Connect to chassis.
LmA
B
Modbus
Internal
Network
MCp AO
Modulating
compressor
Analog output to modulating compressor. 0-10 Vdc
MF1 AO
Modulating
condenser fan #1
Analog output to variable speed condenser fan. 0-10 Vdc
MF2 AO
Modulating
condenser fan #2
Analog output to variable speed condenser fan. 0-10 Vdc
MRh AO
Modulating
reheat output
Modulating hot gas reheat output. 0-10 Vdc
HP1 AI
High pressure
sensor #1
Analog discharge pressure transducer, circuit #1. 0-10 Vdc
HP2 AI
H
igh pressure
sensor #2
Analog discharge pressure transducer, circuit #2. 0-10 Vdc
HP3 AI
H
igh pressure
sensor #3
Analog discharge pressure transducer, circuit #3. 0-10 Vdc
HP4 AI
H
igh pressure
sensor #4
Analog discharge pressure transducer, circuit #4. 0-10 Vdc
+5V
+5 Vdc
DC 5V power source.
CMa COM
Common to
output set ‘a’
Common power relays ‘a’. 24/120 Vac
C1a
DO
Cooling stage #1
Output stage #1 cooling, powered from common ‘a’.
24/120 Vac
C2a
DO
Cooling stage #2
Output stage
#2
cooling, powered from common ‘a’.
24/120 Vac
C3a
DO
Cooling stage #3
Output stage
#3
cooling, powered from common ‘a’.
24/120 Vac
C4a
DO
Cooling stage #4
Output stage
#4
cooling, powered from common ‘a’.
24/120 Vac
C5a
DO
Cooling stage #5
Output stage
#5
cooling, powered from common ‘a’.
24/120 Vac
F1b DO
Condenser fan
stage #1
Ambient temperature based condenser fan #1
enable.
24/120 Vac
F2b DO
Condenser fan
stage #1
Ambient temperature based condenser fan #2
enable.
24/120 Vac
C6a DO Cooling stage #6
Output stage cooling, stage #6
, powered from
common ‘a’.
24/120 Vac
R1b DO
Stepped reheat
stage #1
Stepped reheat output, stage 1, powered from
common ‘b’.
24/120 Vac
R2b DO
Stepped reheat
stage #2
Stepped reheat output, powered from common ‘b’.
24/120 Vac
CMb COM
Common to
output set ‘b’
Common power relays ‘b’.
24/120 Vac
SSR
DO
Digital output
Solid state relay for digital compressors.
HP5 AI
H
igh pressure
sensor #5
Analog discharge pressure transducer, circuit #5. 0-10 Vdc
LP1 AI
Low pressure
sensor #1
Analog suction pressure transducer, circuit #1. 0-10 Vdc