Daikin EWWD340CJYNN [4/180] Part 3 troubleshooting

ESIE07-05

ii Table of Contents

Part 2

Functional Description

1 The Digital Controller

1.1 What Is in This Chapter? ......................................................................... 2–3

1.2 General Description ................................................................................. 2–4

1.3 Main Control Software Features .............................................................. 2–5

1.4 Component Description Digital Controler................................................. 2–6

1.5 Controller Menu’s..................................................................................... 2–22

2 Functional Control

2.1 What Is In This Chapter? ......................................................................... 2–47

2.2 ON / OFF Management ........................................................................... 2–48

2.3 Thermostat Control .................................................................................. 2–49

2.4 Setpoint Reset of the Chilled Water ........................................................ 2–54

2.5 Return Water Reset ................................................................................. 2–56

2.6 Freeze-up Control.................................................................................... 2–57

2.7 Enable Soft Load ..................................................................................... 2–59

2.8 Unit Load Limiting .................................................................................... 2–60

2.9 Start Up With High Evaporator Water Temperature ................................ 2–61

2.10 Pump Control........................................................................................... 2–62

2.11 Auto Restart after Power Failure Function............................................... 2–63

2.12 Liquid Injection......................................................................................... 2–64

2.13 EXV Pre Opening .................................................................................... 2–65

2.14 Compressor Configuration....................................................................... 2–66

2.15 Compressor Management ....................................................................... 2–67

2.16 High Pressure Setback ............................................................................ 2–69

2.17 LP Prevention .......................................................................................... 2–70

2.18 Capacity Control ...................................................................................... 2–71

2.19 Pump Down Configuration at Compressor Stop...................................... 2–74

2.20 Pressure Safeties .................................................................................... 2–75

2.21 LP alarm delay......................................................................................... 2–77

2.22 Oil Management Safeties ........................................................................ 2–78

Part 3

Troubleshooting

1 Procedure for Software Upload/Download

1.1 What Is in This Chapter? ......................................................................... 3–3

1.2 Copy from the Software Key to pCO² ...................................................... 3–4

1.3 Copy from pCO² to the Software Key ...................................................... 3–5

1.4 Installation of Winload32 on the PC and Programming a Controller........ 3–6

1.5 Copy Software from WinLoad32 to the Software Key.............................. 3–21