6.
LIST OF INPUTS/OUTPUTS
Below is a list of the inputs and outputs of the pCO3 as Master and the inputs and outputs of the Slave pCO3s.
DIGITAL INPUTS (ALARM = CONTACT OPEN)
Air / water units type 00
N
(cold only)
Remote On/Off
ID1
(On = contact closed)
ID2
Electronic valve alarm
Double setpoint
ID3
(Double setpoint = contact closed) Master only
ID4
Phase monitor
Evaporator flow switch (enabled)
ID5
Can be enabled
ID6
Pump thermal switch
Enable multifunctional input
ID7
(open=enabled)
Master only
ID8
High pressure-switch
ID9
Low pressure-switch
ID10
Compressor thermal switch
ID11
Thermal switch fan 1
ID12
Oil differential / oil level
Recovery flow switch
ID13
Master only
ID14
Enable compressor (open=enabled)
ID15
ID16
ID17
ID18
ID1EXP
ID2 EXP
ID3 EXP
ID4 EXP
-
-
-
-
-
-
-
-
Air / water units other versions
Free-cooling, Total recovery, Heat pump
Remote On/Off
(On = contact closed)
Can be enabled/Master only
Summer / Winter
(Winter = contact closed)
Can be enabled/Master only
Double setpoint
(Double setpoint = contact closed) Master only
Phase monitor
Can be enabled/Automatic reset
Evaporator flow switch
Can be enabled
Pump thermal switch
Enable multifunctional input
(open=enabled)
Master only
High pressure-switch
Low pressure-switch
Compressor thermal switch
Condenser pump thermal switch
Oil differential / oil level
Recovery flow switch
Master only
Enable compressor (open=enabled)
Condenser flow switch / digital anti-freeze Master only
Digital request Step1
Master only
(Request = contact closed)
Electronic valve alarm
Digital request Step2
(Request = contact closed)
Master only
Digital request Step3
(Request = contact closed)
Master only
Flow switch glycol side (glycol free)
Pump thermal switch glycol side (glycol free)
Not used
Not used
NS-NSH UNITS
33