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Electric diagrams
Chapter 9
9.5 Wiring diagram connection preheater toWHHRDC without option pcb
C1
= brown
C2
= blue
C3
= green/yellow
C4
= black
A = Heating coil
B = Maximum safety with manual reset
C = Connection to mains
D = Cable to be connected by installer
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Note!
Setting I11 must be set at “1” when
connecting the preheater to the ba
sic pcb!
See section 6.4