Daikin EWADC11BJYNN [6/346] Part 3 troubleshooting
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Daikin EWADC11BJYNN [6/346] Part 3 troubleshooting

Daikin EWADC11BJYNN [6/346] Part 3 troubleshooting
ESIE07-04
iv Table of Contents
3
1
4
5
3 Functional Control
3.1 What Is In This Chapter? ......................................................................... 2–73
3.2 ON / OFF Management ........................................................................... 2–75
3.3 Thermostat Control .................................................................................. 2–76
3.4 Setpoint Reset of the Chilled Water......................................................... 2–81
3.5 Return Water Reset ................................................................................. 2–84
3.6 Freeze-up Control.................................................................................... 2–85
3.7 Enable Soft Load ..................................................................................... 2–87
3.8 Unit Load Limiting .................................................................................... 2–88
3.9 Start Up With High Evaporator Water Temperature ................................ 2–89
3.10 Ambient Lockout ...................................................................................... 2–90
3.11 Pump Control........................................................................................... 2–91
3.12 Auto Restart after Power Failure Function............................................... 2–92
3.13 Liquid Injection......................................................................................... 2–93
3.14 Economizer Function ............................................................................... 2–94
3.15 EXV Pre Opening .................................................................................... 2–95
3.16 Compressor Configuration....................................................................... 2–96
3.17 Compressor Management ....................................................................... 2–97
3.18 High Pressure Setback ............................................................................ 2–99
3.19 LP Prevention .......................................................................................... 2–100
3.20 Capacity Control ...................................................................................... 2–101
3.21 Pump Down Configuration at Compressor Stop...................................... 2–104
3.22 Pressure Safeties .................................................................................... 2–105
3.23 LP alarm delay......................................................................................... 2–107
3.24 Oil Management Safeties ........................................................................ 2–108
3.25 Head Pressure Control ............................................................................ 2–110
3.26 Heat Recovery Microprocessor Control................................................... 2–114
3.27 Heat Recovery Operation ........................................................................ 2–115
3.28 Heat Recovery Microprocessor Set-up.................................................... 2–116
Part 3
Troubleshooting
1 Overview of Fault Indications and Safeties
1.1 What Is in This Chapter? ......................................................................... 3–3
1.2 What to do in the Event of an Alarm? ...................................................... 3–4
1.3 Overview of Safeties................................................................................ 3–5
2 Checking the Inputs and Outputs
2.1 What is in This Chapter? ......................................................................... 3–7
2.2 List of Digital Inputs ................................................................................. 3–8
2.3 List of Analog Inputs ................................................................................ 3–9
2.4 List of Digital Outputs............................................................................... 3–10
2.5 List of Analog Outputs ............................................................................. 3–11
2.6 List of Input and Output Channels of the Expansion Board # 1
(Option Economizer)................................................................................ 3–12

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