China EM Technology Limited EMHEATER EM12-SP1-004, User Manual

Page: 3 / 40

Contents EM12-SP User Manual
Contents
1. Safety Information and Precautions .................................................................................................................... 1
1.1 Safety Information ......................................................................................................................................... 1
2. Product Information .............................................................................................................................................. 3
2.1 Designation Rules .......................................................................................................................................... 3
2.2 EM12-SP series .............................................................................................................................................. 3
2.3 Product appearance and installation dimension ............................................................................................. 4
2.3.1 Product appearance ............................................................................................................................. 4
2.3.2 EM12-SP solar inverter appearance and installing dimension(mm) ................................................... 4
2.3.3 Appearance and installation dimension of external keypad (keypad tray) .......................................... 5
3.Installation of Frequency Inverter ........................................................................................................................ 6
3.1 Installation environment ................................................................................................................................ 6
3.2 Installation direction and space ...................................................................................................................... 6
3.3 Sketch and Description of Main Circuit Terminals ........................................................................................ 7
3.3.1 Function and description of Main Circuit Terminals .......................................................................... 7
3.4 Control Circuit and Main Circuit Terminals Description .............................................................................. 7
3.4.1 Control Circuit and Main Circuit Wiring ............................................................................................ 7
3.4.2 Control Circuit Terminal Layout ......................................................................................................... 8
3.4.3 Description of control circuit terminals .............................................................................................. 8
3.4.4 Description of Control Circuit Jumper ............................................................................................... 9
3.5 Collection Diagram For Different Motor ....................................................................................................... 9
3.5. 1 The wiring of water-level automatic control .................................................................................... 10
4 Operation and display .......................................................................................................................................... 12
4.1 Instruction of operation and display ............................................................................................................ 12
4.2 Function Code Table .................................................................................................................................... 13
5. Description of Function Codes ........................................................................................................................... 18
F0: Basic Function Parameters Group ............................................................................................................... 18
F1 Motor Parameter ........................................................................................................................................... 21
F4 Input Terminals ............................................................................................................................................. 22
F9 Faults and protection parameters .................................................................................................................. 23
FE Solar water pump control parameters .......................................................................................................... 24
FP User password parameters ............................................................................................................................ 27
6. Fault Diagnosis and Solution .............................................................................................................................. 28
6.1 Fault Alarm and Countermeasures ............................................................................................................... 28
Appendix I. Modbus communication protocol ...................................................................................................... 30
I. About Protocol ................................................................................................................................................ 30
II. Application Methods ..................................................................................................................................... 30
III. Bus structure ................................................................................................................................................ 30