8
W
I R I N G S P E C I F I C A T I O N S
F I E L D E L E C T R I C A L W
I R I N G ( p ower wiring sp ec ific ations)
S1
S2
S3
S1
S2
S3
W
arning:
· I n c ase of A - c ontrol wiring, th ere is h igh v oltage p otential on th e S 3 terminal c aused b y elec tric al c irc uit design th at h as no elec tric al insulation
b etween p ower line and c ommunic ation signal line. T h erefore, p lease turn off th e main p ower sup p ly wh en serv ic ing. A nd do not touc h th e S 1 , S 2 , S 3
terminals wh en th e p ower is energize d. I f isolator sh ould b e used b etween indoor unit and outdoor unit, p lease use 3- p ole ty p e.
N otes: 1 . W
iring size must c omp ly with th e ap p lic ab le loc al and national c odes.
2 . P ower sup p ly c ab les and th e c ab les b etween I nterfac e unit/ F low temp . c ontroller and outdoor unit sh all not b e ligh ter th an p oly c h lorop rene
)
3. B e sure to c onnec t th e c ab les b etween I nterfac e unit/ F low temp . c ontroller and outdoor unit direc tly to th e units ( no intermediate c onnec tions
are allowed) .
insulation to ground or a p oor elec tric al c ontac t .
( I f an intermediate c onnec tion is nec essary , b e sure to take measures to p rev ent water from entering th e c ab les.)
4 . I nstall an earth longer th an oth er c ab les.
5 . D o not c onstruc t a sy stem with a p ower sup p ly th at is turned O N and O F F freq uently .
OCH526C
Содержание PUHZ-HW112YHA-BS
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