Daikin ALTHERMA HT EKBUHAA6 V3, Service Manual

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PCB Layout for EKHBRD 011/014/016 AA/AB/AC V1/Y1 ESIE09-08A
50 Refrigerant Circuit
2.9 Demand PCB (Option PCB A8P)
Demand PCB (option PCB A8P)
Demand PCB (option PCB A8P)
Legend
used in
combination
with 5 for
thermostat safety
feed-
back
BUH mixing
station 1
used in
combina-
tion with 5 mixing
station 2
used in
combina-
tion with 5 used together
with 1, 2, 3
and/or 4
X80A
Connector Color Connected to - function
X80A White X85A of main PCB A1P
1 - 5 - 2 core cable for EKRTW on X1M [H - COM] of PCB A10P
1 - 5 - 2 core cable for EKRTR on X1M [H - COM] of PCB A11P + X2M
[6 - 7] to X2M [L - N] of A11P + X1M [1 - 3] of A10P to R2T
2 - 5 - 2 core cable for BUH
3 - 5 - 2 core cable for mixing station 1
4 - 5 - 2 core cable for mixing station 2