OM AGSD-1
17
Controller Operation
CP1 Inputs/Outputs
I/O for the unit control and for circuits one and two are found on CP1.
Analog Inputs
# Description Signal
Source Normal
Range
1
Slide Load Indicator #1
4-20 mA Current
1 to 23 mA
2
Slide Load Indicator #2
4-20 mA Current
1 to 23 mA
3
Evaporator Pressure #1
4-20 mA Current
3 to 22 mA
4
Discharge Temperature #1
PT1000 Sensor
-45 to 240°F
5
Discharge Temperature #2
PT1000 Sensor
-45 to 240°F
6
Condenser Pressure #1
4-20 mA Current
3 to 22 mA
7
Condenser Pressure #2
4-20 mA Current
3 to 22 mA
8
Evaporator Pressure #2
4-20 mA Current
3 to 22 mA
9
Evaporator Entering Water Temp
NTC Thermister
-45 to 212°F
10
Evaporator Leaving Water Temp
NTC Thermister
-45 to 212°F
Analog Outputs
# Description Output
Signal
Range
1
VFD #1
0-10VDC
0 to 100% (1000 steps resolution)
2
EXV #1
0-10VDC
0 to 6386 steps (1000 steps resolution)
3
VFD #2
0-10VDC
0 to 100% (1000 steps resolution)
4
EXV #2
0-10VDC
0 to 6386 steps (1000 steps resolution)
5
Reserved for Ceechina VFD#1 (future)
0-10VDC
0 to 100% (1000 steps resolution)
6
Reserved for Ceechina VFD#2 (future)
0-10VDC
0 to 100% (1000 steps resolution)
Digital Inputs
#
Description
Signal Off
Signal On
1
Circuit Switch #1
Cir 1 disabled
Cir 1 enabled
2
Circuit Switch #2
Cir 2 disabled
Cir 2 enabled
3
Evaporator Water Flow Switch
No Flow
Flow
4
PVM/GFP #1
Fault
No Fault
5
Mode Switch
Cool mode
Ice mode
6
Mechanical High Pressure Switch #1
Fault
No Fault
7
Mechanical High Pressure Switch #2
Fault
No Fault
8
Open
9
Open
10
VFD Fault #1
Fault
No Fault
11
VFD Fault #2
Fault
No Fault
12
Starter Fault #1
Fault
No Fault
13H
Low Pressure Switch #1
Fault
No Fault
14H
Low Pressure Switch #2
Fault
No Fault
15
Starter Fault #2
Fault
No Fault
16
Unit Switch
Unit disabled
Unit enabled
17
Remote Switch
Unit disabled
Unit enabled
18
PVM/GFP #2
Fault
No Fault
Summary of Contents for AGS 225D
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