Daikin EUWYB24KAZW1 [4/215] Wiring layout

ESiE04-03

ii Table of Contents

3 Wiring Layout

3.1 What Is in This Chapter? ......................................................................... 1–71

3.2 Main Functions of the EUWA*5-24KAZW1 and EUWY*5-24KAZW1 ...... 1–72

3.3 Switch Box Layout: EUWA*5-24KAZW1 and EUWY*5-24KAZW1.......... 1–73

3.4 PCB Layout of the EUWA*5-24KAZW1 and EUWY*5-24KAZW1 ........... 1–75

3.5 Wiring Diagram: EUWA*5-24KAZW1 and EUWY*5-24KAZW1............... 1–79

Part 2

Functional Description

1 Functional Description

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

1.2 Operational Range: EUWA*5-24KAZW1 ................................................. 2–4

1.3 Operational Range: EUWY*5-24KAZW1 ................................................. 2–5

1.4 Operational Flow Chart............................................................................ 2–7

1.5 Compressor Working Status.................................................................... 2–8

1.6 Compressor Timers ................................................................................. 2–9

1.7 Thermostat Control: EUWA*5-24KAZW1 and EUWY*5-24KAZW1......... 2–10

1.8 Head Pressure Control: EUWA*5-24KAZW1 and EUWY*5-24KAZW1... 2–11

1.9 Fan Working: EUWA*5-24KAZW1 and EUWY*5-24KAZW1 ................... 2–13

1.10 Crankcase Heater.................................................................................... 2–14

1.11 Evaporator Heater Tape Management: EUWA*5-24KAZW1 and

EUWY*5-24KAZW1 ................................................................................. 2–15

1.12 Pump Steering ......................................................................................... 2–16

1.13 Freeze-up Control: EUWA*5-24KAZW1 and EUWY*5-24KAZW1 .......... 2–17

1.14 Defrost Management for EUWY*5-24KAZW1 ......................................... 2–18