Daikin EUWAC10FZW [114/264] Part 2

ESIE-0302 Functional Description

Part 2 – Functional Description 2–3

Part 2

1 Functional Description

1.1 What Is in This Chapter?

Introduction This chapter contains information on the functions used to control the system. Understanding these

functions is vital when diagnosing a malfunction that is related to the functional control.

Overview This chapter contains the following topics:

Topic See page

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