Daikin FUYP125BV1 [181/397] General functionality

ESiEN02–01A General Functionality

Part 2 – Functional Description 2–3

Part 2

1 General Functionality

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–Functions of Thermistors: Small Heat Pumps 2–4

1.3–Functions of Thermistors: Large Heat Pumps 2–5

1.4–Operating Modes and Control Modes 2–7

1.5–Forced Operating Mode (Emergency Operation) 2–8

1.6–Switching to Forced Operating Mode (Emergency Operation) 2–10

1.7–Thermostat Control 2–11

1.8–Forced Thermostat OFF 2–13

1.9–HPS and LPS Function 2–14

1.10–Simulated Operation Function 2–15

1.11–Discharge Pipe Temperature Control 2–16

1.12–Gas Shortage Function 2–17

1.13–Crankcase Heater Control (R(Y)P200-250B Only) 2–18

1.14–Drain Pump Control 2–19

1.15–Fan and Flap Operations 2–21

1.16–Auto-Restart Function 2–22

1.17–Using Conditions for Remote Control Thermostat 2–23