Daikin EKEXVA250 handleiding
Handleiding
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Table of contents
Installation and operation manual
5
EKEACBVE + EKEXVA50~500
Option kit for combination of Daikin outdoor units with field-
supplied air handling units
4P724517-1B – 2024.03
Table of contents
1 About this document 5
1.1 Meaning of warnings and symbols ............................................ 6
2 Specific installer safety instructions 6
2.1 Instructions for equipment using R32 refrigerant....................... 7
For the user 7
3 User safety instructions 7
3.1 General...................................................................................... 7
3.2 Instructions for safe operation ................................................... 8
4 About the system 8
4.1 System layout ............................................................................ 8
5 Operation 8
6 Maintenance and service 8
7 Troubleshooting 9
8 Relocation 9
9 Disposal 9
For the installer 9
10 About the box 9
10.1 Control box ................................................................................ 9
10.1.1 To remove the accessories from the control box........ 9
10.2 Expansion valve kit.................................................................... 10
10.2.1 To remove the accessories from the expansion valve
kit ................................................................................ 10
11 About the system 10
11.1 System layout ............................................................................ 10
11.1.1 Pair AHU layout .......................................................... 10
11.1.2 Multi AHU layout ......................................................... 11
11.1.3 Mixed AHU layout ....................................................... 11
11.2 Possible control types................................................................ 11
11.2.1 X control: Operation with 0-10VDC capacity control. 11
11.2.2 Y control: Operation with fixed Te/Tc temperature
control ......................................................................... 12
11.2.3 W control: Operation with 0-10VDC capacity control 12
11.2.4 Z control: Suction air control ....................................... 12
11.2.5 Z' control: Discharge air control .................................. 13
11.3 Operation signals....................................................................... 13
11.4 Remote controller for EKEA ...................................................... 14
11.5 Selection of the expansion valve kit .......................................... 14
11.6 Outdoor unit............................................................................... 14
11.6.1 Possible outdoor units................................................. 14
11.6.2 ERQ outdoor units ...................................................... 14
11.6.3 VRV outdoor units....................................................... 15
11.7 Air handling unit......................................................................... 15
11.8 Connection ratio and heat exchanger volume limitations .......... 15
11.9 Master-slave configuration ........................................................ 15
11.9.1 Combined refrigerant circuit system ........................... 16
11.9.2 Separate refrigerant circuits system ........................... 17
12 Special requirements for R32 units 17
12.1 Conditioned space requirements............................................... 18
12.2 Determination of the safety requirements.................................. 19
12.2.1 Example 1................................................................... 20
12.2.2 Example 2................................................................... 20
12.2.3 Example 3................................................................... 20
13 Unit installation 21
13.1 Control box ................................................................................ 21
13.1.1 Installation site requirements of the control box.......... 21
13.1.2 To install the control box............................................. 21
13.2 Expansion valve kit.................................................................... 22
13.2.1 Installation site requirements of the expansion valve
kit ................................................................................ 22
13.2.2 To install the expansion valve kit ................................ 22
13.3 Thermistors................................................................................ 22
13.3.1 Location of the thermistors.......................................... 22
13.3.2 To install the thermistor cable..................................... 23
13.3.3 To install a longer thermistor cable............................. 23
13.3.4 To fix the thermistor .................................................... 23
14 Piping installation 23
14.1 Preparing refrigerant piping ....................................................... 24
14.1.1 Refrigerant piping requirements.................................. 24
14.1.2 Refrigerant piping insulation ....................................... 24
14.2 Connecting the refrigerant piping .............................................. 24
14.2.1 To connect the refrigerant piping ................................ 24
14.2.2 To braze the pipe end................................................. 25
15 Electrical installation 25
15.1 Control box ................................................................................ 25
15.1.1 To connect the electrical wiring to the control box...... 25
15.2 Expansion valve kit.................................................................... 28
15.2.1 To connect the electrical wiring to the expansion
valve kit ....................................................................... 28
16 Configuration 29
16.1 To configure the control box ...................................................... 29
16.2 Field settings ............................................................................. 31
17 Commissioning 32
17.1 Checklist before commissioning ................................................ 32
17.2 To check during normal operation ............................................. 32
18 Troubleshooting 33
18.1 Solving problems based on error codes .................................... 33
18.1.1 Error codes: Overview ................................................ 33
18.2 Symptom: The AHU heat exchanger is freezing up .................. 33
19 Technical data 33
19.1 Wiring diagram .......................................................................... 33
20 Glossary 34
1 About this document
WARNING
Make sure installation, servicing, maintenance, repair and
applied materials follow the instructions from Daikin
(including all documents listed in “Documentation set”)
and, in addition, comply with applicable legislation (for
example national gas regulation) and are performed by
qualified persons only. In Europe and areas where IEC
standards apply, EN/IEC 60335-2-40 is the applicable
standard.
INFORMATION
Make sure that the user has the printed documentation and
ask him/her to keep it for future reference.
Target audience
Authorised installers + end users
INFORMATION
This appliance is intended to be used by expert or trained
users in shops, in light industry and on farms, or for
commercial use by lay persons.
Bekijk gratis de handleiding van Daikin EKEXVA250, stel vragen en lees de antwoorden op veelvoorkomende problemen, of gebruik onze assistent om sneller informatie in de handleiding te vinden of uitleg te krijgen over specifieke functies.
Productinformatie
| Merk | Daikin |
| Model | EKEXVA250 |
| Categorie | Niet gecategoriseerd |
| Taal | Nederlands |
| Grootte | 5939 MB |
