Daikin EWAD620-C17C-SS, Service Manual

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Controller Inputs and Outputs ESIE10-01
3–58 Part 3 – Troubleshooting
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2.3 Expansion I/O Compressor #1 to #4 (POL965.00/MCQ)
Analog inputs
Note: X7 is configured the same regardless of Manufacturing Location. However, for U.S. chillers the
signal source is a digital input so the control logic must account for this.
Analog outputs
Digital inputs
# Description Signal Source Expected Range
X1 Discharge Temperature NTC Thermister (10K@25°C) -50°C – 120°C
X2 Evaporator Pressure Ratiometric (0,5-4,5 Vdc) 0 to 5 Vdc
X3 Oil Pressure Ratiometric (0,5-4,5 Vdc) 0 to 5 Vdc
X4 Condenser Pressure Ratiometric (0,5-4,5 Vdc) 0 to 5 Vdc
X7 Motor Protection NTC Thermister (10K@25°C) n/a
# Description Output Signal Range
Not Needed
# Description Signal Off Signal On
X6 Starter Fault Fault No fault
DI1 High Pressure Switch Fault No fault