ESIE11-02 Functional Description
Part 2 – Functional Description 2–3
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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: EUWA*5-24KBZW1 2–4
1.3–Operational Range: EUWY*5-24KBZW1 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*5-24KBZW1 and EUWY*5-24KBZW1 2–10
1.8–Head Pressure Control: EUWA*5-24KBZW1 and EUWY*5-24KBZW1 2–11
1.9–Fan Working: EUWA*5-24KBZW1 and EUWY*5-24KBZW1 2–13
1.10–Crankcase Heater 2–14
1.11–Evaporator Heater Tape Management: EUWA*5-24KBZW1 and
EUWY*5-24KBZW1
2–15
1.12–Pump Steering 2–16
1.13–Freeze-up Control: EUWA*5-24KBZW1 and EUWY*5-24KBZW1 2–17
1.14–Defrost Management for EUWY*5-24KBZW1 2–18
1.15–Changeable Digital Inputs 2–24
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