IOM 1242-2 • PATHFINDER
®
MODEL AWV CHILLERS
44 www.DaikinApplied.com
C
onTroller
o
peraTIon
MicroTech
®
III Inputs/Outputs
Unit Controller - UC Module
Table 14: Analog Inputs - Evaporator
#
Description
Signal Source
AI1
Evap Entering
Water Temp
NTC Thermister
(10K@25°C)
AI2
Evap Leaving
Water Temp
NTC Thermister
(10K@25°C)
AI3
Outside Ambient
Temperature
NTC Thermister
(10K@25°C)
X4
LWT Reset
4-20 mA Current
Table 15: Analog Outputs - Fan VFD
#
Description
Output Signal
X5
Fan VFD #1
0-10 Vdc
X6
Fan VFD #2
0-10 Vdc
Table 16: Digital Inputs
#
Description
Signal Off
Signal On
DI1
GFP Relay 1
Fault
No Fault
DI2
Evaporator Flow Switch
No Flow
Flow
DI3
Mode Switch
Cool mode
Ice mode
DI4
Remote Switch
Unit disable
Unit enable
DI5
Unit Switch
Unit disable
Unit enable
DI6
Emergency Stop
Unit off
Unit enable
X8
GFP Relay 2
Fault
No Fault
Table 17: Digital Outputs
#
Description
Output OFF
Output ON
DO1
Evaporator Water Pump 1 Pump Off
Pump On
DO2
Alarm Relay
Alarm not
Active
Alarm Active
DO3
Circuit #1 Fan Output #1
Fan(s) Off
Fan(s) On
DO4
Circuit #1 Fan Output #2
Fan(s) Off
Fan(s) On
DO5
Circuit #1 Fan Output #3
Fan(s) Off
Fan(s) On
DO6
Circuit #1 Fan Output #4
Fan(s) Off
Fan(s) On
DO7
Circuit #2 Fan Output #1
Fan(s) Off
Fan(s) On
DO8
Circuit #2 Fan Output #2
Fan(s) Off
Fan(s) On
DO9
Circuit #2 Fan Output #3
Fan(s) Off
Fan(s) On
DO10
Circuit #2 Fan Output #4
Fan(s) Off
Fan(s) On
CC Modules - Circuit #1 and #2
Table 18: Analog Inputs - For Each Circuit
#
Description
Signal Source
X1
Discharge Temperature
NTC Thermister (10K@25°C)
X2
Suction Temperature
NTC Thermister (10K@25°C)
X5
Evaporator Pressure
Ratiometric 0.5-4.5 Vdc
X6
Oil Pressure
Ratiometric 0.5-4.5 Vdc
X7
Condenser Pressure
Ratiometric 0.5-4.5 Vdc
Table 19: Digital Outputs - For Each Circuit
#
Description
Output Off
Output On
DO1
Compressor Run
Command
Compressor Off
Compressor
On
DO2
Liquid Line SV
Solenoid Closed Solenoid Open
DO3
Liquid Injection SV
Solenoid Closed Solenoid Open
DO4
100% VR SV
Solenoid Closed Solenoid Open
DO5
75% VR SV
Solenoid Closed Solenoid Open
DO6
50% VR SV
Solenoid Closed Solenoid Open
X8
Economizer SV
Solenoid Closed Solenoid Open
EEXV Modules - Circuit #1 and #2
Table 20: Digital Inputs
#
Description
Signal Off Signal On
DI1
Mechanical Low Pressure Switch Fault
No Fault
Table 21: Digital Outputs
#
Description
Output OFF
Output ON
DO1
Economizer SV
Solenoid Closed
Solenoid Open
Table 22: EEXV Stepper Motor Output
#
Description
M1+
Circuit # Evaporator EXV Stepper Coil 1
M1-
M2+
Circuit # Evaporator EXV Stepper Coil 2
M2-
Evaporator EXV Module
Table 23: EXV Stepper Outputs
Driver Description
A
Evaporator EXV Circuit #1
B
Evaporator EXV Circuit #2
Summary of Contents for AWV008
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