HEAT RECOVERY D.C INVERTER MULTI VRF SERVICE MANUAL ...

CONTENTS
PRODUCT.......................................................................................................................................2
1 MODELS LIST ....................................................................................................................2
1.1 Outdoor Units............................................................................................................2
1.2 Mode Exchanger......................................................................................................4
1.3 Indoor Units...............................................................................................................4
2 NOMENCLATURES ...........................................................................................................7
2.1 Nomenclature of outdoor unit.................................................................................7
2.2 Nomenclature of indoor unit ...................................................................................8
3 FUNCTION...........................................................................................................................8
4 PRODUCT DATA................................................................................................................9
4.1 Product data of outdoor units.................................................................................9
4.2 Product data of indoor units .................................................................................20
4.3 Operation Range....................................................................................................32
5 PIPING DIAGRAM............................................................................................................32
CONTROL.....................................................................................................................................38
1 .THE CONTROL MODE OF INVERTER MULTI VRF.................................................38
2.OPERATION FLOWCHART ...........................................................................................39
2.1 The System Starting Operation............................................................................39
2.2 Cooling/Dry Operation...........................................................................................40
2.3 Heating Operation..................................................................................................40
2.4 Heat Recovery Operation .....................................................................................41
3.MAIN LOGIC .....................................................................................................................41
3.1 Control Function of Outdoor Unit.........................................................................41
3.2 Control Function of Indoor Unit............................................................................46
4 WIRELESS REMOTE CONTROLLER..........................................................................55
5 WIRED REMOTE CONTROLLER .................................................................................58
5.1 Operation and Display View.................................................................................58
5.2 Dimension ...............................................................................................................59
5.3 Installation...............................................................................................................59
6 REGION CONTROLLER.................................................................................................60
6.1 Function...................................................................................................................60
6.3 Display View ...........................................................................................................62
6.4 Connection Between Controller and Unit...........................................................64
7 CENTRALIZED CONTROLLER ....................................................................................65
7.1 Function...................................................................................................................65
7.2 Operation View.......................................................................................................65
7.3 Display View ...........................................................................................................67
7.4 Connection between Controller and Unit ...........................................................69
7.5 Case Study...........................................................................................................69
8 MONITORING SOFTWARE............................................................................................84
8.1 Function...................................................................................................................84
8.2 Connection Between the Computer and the Unit .............................................84