IOM 1207-6 • TRAILBLAZER
®
MODEL AGZ CHILLERS 68 www.DaikinApplied.com
Controller Inputs and Outputs
Main Controller
Table 18: Analog Inputs
# Description Expected Range
AI1 Evaporator EWT NTC 10k 340 to 300k Ω
AI2 Evaporator LWT NTC 10k 340 to 300k Ω
AI3 Ambient Temp NTC 10k 340 to 300k Ω
X1 Demand Limit 4-20 mA 1 to 23 mA
X4 LWT Reset 4-20 mA 1 to 23 mA
Table 19: Analog Outputs
# Description Range
X2 Circuit 1 Fan VFD Speed2 Voltage 0 to 10 volts
X3 Circuit 2 Fan VFD Speed2 Voltage 0 to 10 volts
X5 Circuit 1 Fan VFD Speed1 Voltage 0 to 10 volts
X6 Circuit 2 Fan VFD Speed1 Voltage 0 to 10 volts
Table 20: Digital Inputs
Description Signal On
DI1 External Alarm/Event Ext. Fault No Ext. Fault
DI2 Evaporator Flow Switch No Flow Flow
DI3
Double Set Point/ Mode
Switch
See sections on Unit Mode
Selection and LWT Target
DI4 Remote Switch Remote Disable Remote Enable
DI5 Unit Switch Unit Disable Unit Enable
Table 21: Digital Outputs
Description Output On
DO1 Evaporator Water Pump 1 Pump O Pump On
DO2 Alarm Indicator Alarm Not Active Alarm Active
DO3 Circuit 1 Fan Output 1 Fan(s) O Fan(s) On
DO4 Circuit 1 Fan Output 2 Fan(s) O Fan(s) On
DO5 Circuit 1 Fan Output 3 Fan(s) O Fan(s) On
DO6 Circuit 1 Fan Output 4 Fan(s) O Fan(s) On
DO7 Circuit 2 Fan Output 1 Fan(s) O Fan(s) On
DO8 Circuit 2 Fan Output 2 Fan(s) O Fan(s) On
DO9 Circuit 2 Fan Output 3 Fan(s) O Fan(s) On
DO10 Circuit 2 Fan Output 4 Fan(s) O Fan(s) On
X7 Circuit 1 Condenser SV 1 Solenoid Closed Solenoid Open
X8 Circuit 2 Condenser SV 1 Solenoid Closed Solenoid Open
Compressor Module 1
Table 22: Analog Inputs
Description Expected Range
X1 Circuit 1 Suction Temp NTC 10k 340 to 300k Ω
X2 Circuit 1 Evaporator Press Voltage 0.4 to 4.6 volts
X4 Circuit 1 Condenser Press Voltage 0.4 to 4.6 volts
Table 23: Digital Inputs
Description Signal On
X6 Circuit 1 Switch Circuit Disable Circuit Enable
X7 Circuit 1 MHP Switch Fault No fault
X8
Circuit 1 Motor
Protection
Fault No fault
DI1
Circuit 1 (or Unit) PVM/
GFP
Fault No fault
NOTE: The Motor Protection and MHP input signal are wired
in series. If Motor Protection input is open, MHP
Switch input will also be open.
Table 24: Digital Outputs
Description Output On
DO1 Compressor #1 Compressor O Compressor On
DO2 Compressor #3 Compressor O Compressor On
DO3 Compressor #5 Compressor O Compressor On
DO4
Evaporator Water
Pump 2
Pump O Pump On
DO5
Circuit 1 Hot Gas
Bypass SV
Solenoid Closed Solenoid Open
DO6
Circuit 1 Liquid
Line SV
Solenoid Closed Solenoid Open
Compressor Module 2
Table 25: Analog Inputs
Description
Expected
Range
X1 Circuit 2 Suction Temp NTC 10k 340 to 300k Ω
X2
Circuit 2 Evaporator
Press
Voltage 0.4 to 4.6 volts
X4
Circuit 2 Condenser
Press
Voltage 0.4 to 4.6 volts
Table 26: Digital Inputs
Description Signal On
X6 Circuit 2 Switch Circuit Disable Circuit Enable
X7 Circuit 2 MHP Switch Fault No fault
X8
Circuit 2 Motor
Protection
Fault No fault
DI1 Circuit 2 PVM/GFP Fault No fault
NOTE: The Motor Protection and MHP input signal are wired
in series. If Motor Protection input is open, MHP
Switch input will also be open (not applicable to 030
and 045E models).
Table 27: Digital Outputs
Description Output On
DO1 Compressor #2 Compressor O Compressor On
DO2 Compressor #4 Compressor O Compressor On
DO3 Compressor #6 Compressor O Compressor On
DO5
Circuit 2 Hot Gas Bypass
SV
Solenoid Closed Solenoid Open
DO6 Circuit 2 Liquid Line SV Solenoid Closed Solenoid Open
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