Precision Air Conditioning
SmartCool
TM
– D
Precision Air Conditioning
63
Installation, Maintenance and Commissioning Manual :6877419 02/2013
Input / Outputs
The inputs and outputs of the controller are listed below
SmartCool
Analogue Inputs
Analogue Outputs
AI 1
(B1-GND)
Universal
Return Air Humidity
AO1
(Y1-G0)
0 - 10Vdc
Supply Air Fans
AI 2
(B2- +VDC)
Universal
Constant air volume or
constant pressure
AO2
(Y2-G0)
0 - 10Vdc
CCT1 CR/DR Fans
or
CCT1 CW
Regulating Valve
AI 3
(B3- +VDC)
Universal
CCT 1 Liquid Transducer or
CW Supply temp sensor
AO3
(Y3-G0)
0 - 10Vdc
CCT2 CR/DR Fans
or
CCT2 CW
Regulating Valve
AI 4
(B4-BC4)
Passive
Return Air Temperature
AO4
(Y4-G0)
0 - 10Vdc
Thyristor
Heating/LPHW
Regulating Valve
AI 5
(B5-BC5)
Passive
Supply Air Temperature
AO5
(Y5-G0)
0 - 10Vdc
CCT1 WX HP
Regulating Valve
AI 6
(B6- +VDC)
Universal
CCT 1 Discharge
Temperature
AO6
(Y6-G0)
0 - 10Vdc
CCT2 WX HP
Regulating Valve
AI 7
(B7-GND)
Universal
CCT 2 Liquid Transducer
or
Dual Cool Water Temperature
AI 8
(B8-GND)
Universal
CCT 2 Discharge
Temperature
or
Dual Cool
Frost Protection
AI 9
(B9-BC9)
Passive
CCT 1 Supply Water
Temperature
AI 10
(B10-BC10)
Passive
CCT 2 Supply Water
Temperature
or
Glycol Dry
Cooler Ambient Temperature
Digital Inputs
Digital Outputs
DI 1
(ID1-IDC1)
24Vac
Remote On-Off
DO 1
(NO1-C1)
NO Relay
Heat 1
DI 2
(ID2-IDC1)
24Vac
Airflow Switch
DO 2
(NO2-C1)
NO Relay
Heat 2
DI 3
(ID3-IDC1)
24Vac
Filter Change Switch
DO 3
(NO3-C1)
NO Relay
Heat 3
DI 4
(ID4-IDC1)
24Vac
Phase Rotation
DO 4
(NO4-C4)
NO Relay
CCT1 Compressor 1
or CPY Hum Enable
DI 5
(ID5-IDC1)
24Vac
Water Flood
Detection/Condensate Pump
DO 5
(NO5-C4)
NO Relay
CCT1 Compressor 2
DI 6
(ID6-IDC1)
24Vac
Fire/Smoke Detection
DO 6
(NO6-C4)
NO Relay
CCT1 Liquid Line
Solenoid
DI 7
(ID7-IDC1)
24Vac
Refrigerant Leak Detection
DO 7
(NO7-C7)
NO Relay
(SSR)
Non-Critical Alarm
DI 8
(ID8-IDC1)
24Vac
Over Heat Cut Out (Auto)
DO 8
(NO8-C8)
NO / NC
Relay
Critical Alarm
DI 9
(ID9-IDC9)
24Vac
CCT1 Compressor 1 Status
DO 9
(NO9-C9)
NO Relay
CCT2 Compressor 1
DI 10
(ID10-IDC9)
24Vac
CCT1 Compressor 2 Status
DO 10
(NO10-C9)
NO Relay
CCT2 Compressor 2
DI 11
(ID11-IDC9)
24Vac
CCT1 Low Pressure Trip
DO 11
(NO11-C9)
NO Relay
CCT2 Liquid Line
Solenoid
DI 12
(ID12-IDC9)
24Vac
CCT2 Low Pressure Trip
DO 12
(NO12-C12)
NO / NC
Relay (SSR)
Hot Gas Soloniod
Valve
DI 13
(ID13-IDC13)
24Vac
CCT2 Compressor 1 Status
DO 13
(NO13-C13)
NO / NC
Relay
CPY Hum Enable
DI 14
(ID14-IDC13)
24Vac
CCT2 Compressor 2 Status
DO 14
(NO14-C14)
NO / NC
Relay (SSR)
Not Used
DI 15
(ID15-IDC15)
24Vac
Not Used
DO 15
(NO15-C15)
NO / NC
Relay (SSR)
Not Used
DI 16
(ID16-IDC15)
24Vac
Not Used
DO 16
(NO16-C16)
NO Relay
CCT1 Dry Cooler
Enable
DI 17
(ID17-IDC17)
24Vac
CCT1 Dry Cooler fault
DO 17
(NO17-C16)
NO Relay
CCT2 Dry Cooler
Enable
DI 18
(ID18-IDC17)
24Vac
CCT2 Dry Cooler fault
DO 18
(NO18-C16)
NO Relay
Not Used
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