Daikin EWAP460MBYN [5/452] Operation range

ESIE05-07

Table of Contents 3

Part 2

Functional Description

1 Operation Range

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

1.2 Operational Range: EWAP110~540MBYNN .......................................... 2–4

1.3 Operational Range: EWAD110~540MBYNN.......................................... 2–5

1.4 Operational Range: EWWD120~540MBYNN ......................................... 2–6

1.5 Operational Range: EWLD120~540MBYNN .......................................... 2–7

1.6 Operational Range: ERAP110~170MBYNN........................................... 2–8

1.7 Operational Range: EWTP110~540MBYNN .......................................... 2–9

2 Functional Control for a Standalone Unit

2.1 What Is in This Chapter? ........................................................................ 2–11

2.2 Operation Flowchart................................................................................ 2–12

2.3 On/Off Management ............................................................................... 2–14

2.4 Thermostat Control ................................................................................. 2–15

2.5 Manual Control........................................................................................ 2–24

2.6 Freeze-up Control ................................................................................... 2–26

2.7 Heat Pressure Control ............................................................................ 2–30

2.8 Superheat Control................................................................................... 2–38

2.9 Pump Control .......................................................................................... 2–43

2.10 Lead-lag Control ..................................................................................... 2–45

2.11 Capacity Limitation.................................................................................. 2–46

2.12 Floating Setpoint - Ambient Mode........................................................... 2–47

2.13 Free Cooling on Ambient Temperature................................................... 2–48

2.14 Heat Recovery ........................................................................................ 2–50

2.15 Changeable Digital Inputs....................................................................... 2–52

2.16 Changeable Analogue Inputs.................................................................. 2–53

2.17 Changeable Digital Outputs .................................................................... 2–55

2.18 Schedule Timer Management................................................................. 2–56

2.19 Pumpdown .............................................................................................. 2–62

2.20 Password Function ................................................................................. 2–64

2.21 100% Capacity, General Operation ........................................................ 2–65

2.22 Reversing Valve...................................................................................... 2–66

2.23 Evaporator Heater-tape .......................................................................... 2–67

2.24 Low pressure Bypass.............................................................................. 2–68

2.25 Simulation ............................................................................................... 2–69

2.26 BMS Function ......................................................................................... 2–71

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