General check ....................................................................................................................................... 60

4.2

System wiring diagram .......................................................................................................................... 61

4.3

Electrical connection of the RASC unit.................................................................................................. 62

4.3.1 Wiring size ..................................................................................................................................................... 62

4.3.2 Minimum requirements of the protection devices .......................................................................................... 62

4.4

Transmission wiring between RASC and indoor unit ............................................................................ 63

4.5

Printed circuit board .............................................................................................................................. 64

4.5.1 RASC-(4-6)HNPE .......................................................................................................................................... 64

4.5.2 RASC-(8-10)HNPE ........................................................................................................................................ 65

4.6

Setting and function of DIP and RSW switches for RASC units ............................................................ 66

4.6.1 Location of DIP switches and RSW switches ................................................................................................ 66

4.6.2 Functions of dip switches and rotary switches .............................................................................................. 66

4.6.3 Jumper lead setting (JP1~6) ......................................................................................................................... 69

4.6.4 LED's indication ............................................................................................................................................. 69

4.7

H-LINK II system ................................................................................................................................... 70

4.7.1 Application ..................................................................................................................................................... 70

4.7.2 Features ........................................................................................................................................................ 70

4.7.3 Specifications ................................................................................................................................................ 70

4.7.4 DIP Switch setting for multiple H-LINK system ............................................................................................. 71

4.7.5 Examples of the system of connection between H-LINK and H-LINK II units ............................................... 72

4.7.6 Examples of H-LINK II system ...................................................................................................................... 73

4.8

Electrical wiring diagrams...................................................................................................................... 75

4.8.1 RASC-(4-6)HNPE (3N~ 400V 50Hz) ............................................................................................................. 75

4.8.2 RASC-(8/10)HNPE (3N~ 400V 50Hz) ........................................................................................................... 76

SMGB0091 rev.2 - 11/2015

4 .

E l e c t r i c a l a n d c o n t r o l s e t t i n g s

Table of Contents