Daikin HXY080A8V1BF, Инструкция по установке и эксплуатации, Страница: 3 / 48

125A8V1BF
VRV IV System indoor unit
4P405267-1C – 2021.04
Installation and operation manual
1
Content
Page
1. About the documentation........................................................... 2
1.1. About this document ...................................................................... 2
1.2. Scope of the manual ...................................................................... 2
1.3. Documentation set ......................................................................... 2
2. General safety precautions........................................................ 2
2.1. For the user.................................................................................... 2
2.2. For the installer .............................................................................. 2
2.2.1. General............................................................................... 2
2.2.2. Installation site.................................................................... 3
2.2.3. Refrigerant.......................................................................... 3
2.2.4. Water .................................................................................. 3
2.2.5. Electrical............................................................................. 3
2.2.6. Meaning of used items ....................................................... 4
3. About the box............................................................................. 4
3.1. Indoor unit ...................................................................................... 4
3.1.1. To unpack the indoor unit ................................................... 4
3.1.2. To remove the accessories from the indoor unit................. 4
4. About the units and options ....................................................... 5
4.1. General information........................................................................ 5
4.1.1. Identification label: Indoor unit............................................ 5
4.2. Possible combinations of units and options ................................... 5
4.2.1. List of options for indoor unit .............................................. 5
4.2.2. Possible combinations of indoor unit and outdoor unit....... 6
5. Application guidelines ................................................................ 6
5.1. Overview: Application guidelines.................................................... 6
5.2. Setting up the space heating/cooling system................................. 6
5.3. Using an auxiliary heat source ....................................................... 7
6. Preparation ................................................................................ 7
6.1. Preparing installation site ............................................................... 7
6.1.1. Installation site requirements of the indoor unit.................. 7
6.2. Preparing water circuit ................................................................... 8
6.2.1. Selection of the type of heat emitters ................................. 8
6.2.2. Water circuit requirements.................................................. 9
6.2.3. Formula to calculate the expansion vessel pre-pressure ... 9
6.2.4. To check the water volume................................................. 9
6.2.5. Changing the pre-pressure of the expansion vessel ........ 10
6.2.6. To check the water volume: Examples ............................. 10
6.3. Preparing electrical wiring .............................................................11
6.3.1. About preparing electrical wiring .......................................11
6.3.2. Overview of electrical connections on the indoor unit .......11
7. Installation................................................................................ 12
7.1. Mounting the indoor unit............................................................... 12
7.1.1. To install the indoor unit.................................................... 12
7.2. Connecting the water piping......................................................... 13
7.2.1. To connect the water piping.............................................. 13
7.3. Connecting the electrical wiring ................................................... 14
7.3.1. Precautions on electrical wiring work ............................... 14
7.4. Finishing the indoor unit installation ............................................. 16
7.4.1. To fix the user interface cover to the indoor unit............... 16
7.4.2. To close the indoor unit..................................................... 16
8. Commissioning ........................................................................ 17
8.2. Final air purging ........................................................................... 17
8.3. Field settings ................................................................................ 17
8.3.1. Procedure......................................................................... 17
8.3.2. Detailed description.......................................................... 18
8.4. Field setting list for Installation Manual ........................................ 22
8.5. Final check and test run ............................................................... 24
8.5.1. Final check ....................................................................... 24
8.5.2. System test run................................................................. 24
8.5.3. Indoor unit individual test run............................................ 24
8.6. Service and maintenance............................................................. 25
8.6.1. Maintenance activities ...................................................... 25
8.6.2. Malfunction codes list ....................................................... 25
8.6.3. Important information regarding the refrigerant used ....... 25
9. Installing the optional EKBUHAA(6V3/6W1) heater kit ............ 26
10. Hand-over to the user .............................................................. 26
11. Operation of the unit ................................................................ 27
11.1. Introduction .................................................................................. 27
11.1.1. General information.......................................................... 27
11.2. Quick start-up of the unit.............................................................. 27
11.2.1. Space cooling/heating operation ...................................... 27
11.3. Operating the unit......................................................................... 27
11.3.1. Operating the user interface............................................. 27
11.3.2. Name and function of buttons and icons .......................... 28
11.3.3. Setting up the controller ................................................... 29
11.3.4. Space cooling operation ( ) ............................................ 29
11.3.5. Space heating operation ( )............................................ 29
11.3.6. Other operation modes..................................................... 31
11.3.7. Temperature read-out mode............................................. 31
11.3.8. Schedule timer operation ................................................. 32
11.3.9. Space heating .................................................................. 32
11.3.10. Programming and consulting the schedule timer ............. 33
11.3.11. Operating the optional demand PCB................................ 37
11.3.12. Operating the optional user interface ............................... 37
11.4. Field settings................................................................................ 37
11.4.1. Procedure......................................................................... 37
11.5. Field setting list for Operation Manual.......................................... 38
12. Maintenance ............................................................................ 40
12.1. Important information regarding the refrigerant used................... 40
12.2. Maintenance activities.................................................................. 40
13. Troubleshooting ....................................................................... 40
13.1. Malfunction codes list................................................................... 40
14. Technical Data ......................................................................... 40
14.1. Piping diagram ............................................................................. 40
14.2. Wiring diagram............................................................................. 41
14.3. Electrical components box ........................................................... 42
14.4. Operation range HXY(080/125) ................................................... 42
14.5. ESP curve .................................................................................... 42
14.6. Technical specifications table....................................................... 43
14.7. Electrical specifications table ....................................................... 43
15. Disposal requirements ............................................................. 43
The English text is the original instruction. Other languages are
translations of the original instructions.
HXY080A8V1BF
HXY125A8V1BF
VRV IV System indoor unit
Installation and
operation manual