Daikin FHC45BZ7V1, Service Manual

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ESIE02–01 Overview of the heating mode functions
Part 2 – Functional Description 2–37
3
2
4
5
1
Part 2
3 Overview of the heating mode functions
3.1 What Is in This Chapter?
Introduction This chapter contains information on the functions used to control the system during heating mode.
Understanding these functions is vital when diagnosing a malfunction that is related to the functional
control. This chapter is only applicable to h/p units.
Overview This chapter contains the following topics:
Topic See page
3.2–Defrost Control 2–38
3.3–Draft Avoidance Control 1 2–41
3.4–Draft Avoidance Control 2 2–43
3.5–Outdoor Unit Identification Function 2–44
3.6–4-way Valve Control 2–45
3.7–Starting Outdoor Fan Control in Heating Mode 2–46
3.8–Normal Outdoor Fan Control in Heating Mode 2–47
3.9–Motor Operated Valve Control 2–49