Daikin EWLP040KAW1N [3/138] Part 2 functional description

ESIE03-03

ii Table of Contents

3 Wiring Layout

3.1 What Is in This Chapter? ......................................................................... 1–43

3.2 Main Functions of the EUW(L)5-24KZW1................................................ 1–44

3.3 Switch Box Layout: EUW(L)5-12KZW1................................................... 1–45

3.4 Switch Box Layout: EUW(L)16-24KZW1 ................................................. 1–47

3.5 PCB Layout of the EUW(L)5-24KZW1..................................................... 1–49

3.6 Wiring Diagram........................................................................................ 1–53

Part 2

Functional Description

1 Functional Description

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

1.2 Operational Range: EUW5-24KZW1....................................................... 2–4

1.3 Operational Range: EUWL5-24KZW1..................................................... 2–5

1.4 Compressor Working Status.................................................................... 2–6

1.5 Compressor Timers................................................................................. 2–7

1.6 Thermostat Control: EUW(L)5-24KZW1.................................................. 2–8

1.7 Pump Steering......................................................................................... 2–9

1.8 Freeze-up Control.................................................................................... 2–10

2 The Digital Controller: EUW(L)5-24KZW1

2.1 What Is in This Chapter? ......................................................................... 2–11

2.2 The Digital Controller............................................................................... 2–12

2.3 Start/Stop................................................................................................. 2–14

2.4 What Happens in Case of an Alarm or a Warning................................... 2–16

2.5 Settings: Direct and User Parameters..................................................... 2–17

2.6 Reading or Adjusting Parameter Settings: the Programming Procedure 2–19

Part 3

Troubleshooting

1 Inputs and Outputs Overview

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

1.2 Inputs and Outputs Overview: EUW(L)5-24KZW1................................... 3–4