Daikin EUWAC8FZW [3/264] Wiring layout

ESIE-0302

ii Table of Contents

1.43 Outlook Drawing: EUWYB16KZW1 ......................................................... 1–74

1.44 Outlook Drawing: EUWYN20-24KZW1.................................................... 1–75

1.45 Outlook Drawing: EUWYP20-24KZW1.................................................... 1–76

1.46 Outlook Drawing: EUWYB20-24KZW1.................................................... 1–77

2 Piping Layout

2.1 What Is in This Chapter? ......................................................................... 1–79

2.2 Installation outline .................................................................................... 1–80

2.3 Functional Diagram Refrigeration Circuit: EUWAC5-10FZW1................. 1–81

2.4 Functional Diagram Refrigeration Circuit: EUWA*5-24KZW1.................. 1–83

2.5 Functional Diagram Refrigeration Circuit: EUWY*5-24KZW1.................. 1–86

3 Wiring Layout

3.1 What Is in This Chapter? ......................................................................... 1–89

3.2 Main Functions of the EUWAC5-10FZW1 ............................................... 1–90

3.3 Main Functions of the EUWA*5-24KZW1 and EUWY*5-24KZW1........... 1–92

3.4 Switch Box Layout: EUWAC5-10FZW1................................................... 1–93

3.5 Switch Box Layout: EUWA*5-24KZW1 and EUWY*5-24KZW1............... 1–95

3.6 PCB Layout of the EUWA*5-24KZW1 and EUWY*5-24KZW1 ................ 1–97

3.7 Wiring Diagram: EUWAC5-10FZW1........................................................ 1–101

3.8 Wiring Diagram: EUWA*5-24KZW1 and EUWY*5-24KZW1 ................... 1–102

Part 2

Functional Description

1 Functional Description

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

1.2 Operational Range: EUWAC5-10FZW1 .................................................. 2–4

1.3 Operational Range: EUWA*5-24KZW1 ................................................... 2–5

1.4 Operational Range: EUWY*5-24KZW1 ................................................... 2–6

1.5 Operational Flow Chart............................................................................ 2–8

1.6 Compressor Working Status.................................................................... 2–9

1.7 Compressor Timers ................................................................................. 2–10

1.8 Thermostat Control: EUWAC5-10FZW1.................................................. 2–11

1.9 Thermostat Control: EUWA*5-24KZW1 and EUWY*5-24KZW1 ............. 2–12

1.10 Head Pressure Control: EUWAC5-10FZW1 ............................................ 2–13

1.11 Head Pressure Control: EUWA*5-24KZW1 and EUWY*5-24KZW1........ 2–15

1.12 Fan Working: EUWAC5-10FZW1 ............................................................ 2–17

1.13 Fan Working: EUWA*5-24KZW1 and EUWY*5-24KZW1........................ 2–18

1.14 Crankcase Heater.................................................................................... 2–19

1.15 Evaporator Heater Tape Management: EUWA*5-24KZW1 and

EUWY*5-24KZW1 ................................................................................... 2–20

1.16 Pump Steering ......................................................................................... 2–21

1.17 Freeze-up Control: EUWAC5-10FZW1.................................................... 2–22

1.18 Freeze-up Control: EUWA*5-24KZW1 and EUWY*5-24KZW1 ............... 2–23

1.19 Defrost Management for EUWY*5-24KZW1............................................ 2–24