Daikin EUW KZW1 Series, Руководство по обслуживанию, Страница: 5 / 140

ESIE-0303
Table of Contents iii
3
4
5
1
2 Malfunction Indications and Safeties Overview
2.1 What Is in This Chapter? ........................................................................ 3–7
2.2 Malfunction Indications Overview ........................................................... 3–8
2.3 Safeties Overview ................................................................................... 3–10
3 Checking the Inputs and Outputs
3.1 What is in This Chapter?......................................................................... 3–13
3.2 Checking the Temperature Sensors ....................................................... 3–14
3.3 Controller Sensors: R3T, R4T and R5T .................................................. 3–15
3.4 Checking the Digital Inputs and Outputs................................................. 3–16
3.5 Checking the Power Supply and Fuses .................................................. 3–17
4 Troubleshooting
4.1 What Is in This Chapter? ........................................................................ 3–19
4.2 Items to Be Checked............................................................................... 3–20
4.3 General Repair Procedures .................................................................... 3–22
4.4 Unlocking the Keyboard .......................................................................... 3–23
4.5 Replacing the Controller ......................................................................... 3–24
4.6 Replacing the PCB: EUW5-24KZW1 and EUWL5-24KZW1................... 3–29
Part 4
Commissioning and Test Run
1 Pre-Test Run Checks
1.1 What Is in This Chapter? ........................................................................ 4–3
1.2 General Checks ...................................................................................... 4–4
1.3 Water Piping Checks .............................................................................. 4–5
1.4 Water Pressure Drop: EUW5-12KZW1................................................... 4–8
1.5 Water Pressure Drop: EUW16-24KZW1................................................. 4–9
1.6 Water Pressure Drop: EUWL5-24KZW1................................................. 4–10
1.7 Setting of the Flow Switch....................................................................... 4–12
1.8 Electrical Checks .................................................................................... 4–14