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14.2.2 Components: Switch box (indoor unit)
b
Q1L
A7P
a
o
FU1
A1P
n
m
X6Y
X6YA
X5M
X2M
l
k
X1M
j
a
Pump PCB A7P (Inverter PCB)
b
Backup heater thermal protector Q1L
c
Transformer TR1
d
Terminals for backup heater X6M/X7M (*9W models only)
e
Backup heater contactors K1M, K2M and K5M
f
Connectors X6YA/X6YB/X6Y
g
Backup heater circuit breaker F1B
h
Terminal block X2M (high voltage)
i
Terminal block X1M (to outdoor unit)
j
Cable tie mountings
k
Digital I/O PCB A4P (only for installations with solar kit or digital
I/O PCB kit)
l
Demand PCB for power limitation
m
Terminal block X5M (low voltage)
n
Main PCB A1P
o
PCB fuse FU1
EHVH/X16
Daikin Altherma - Low Temperature Split
4P313777-1 – 2012.05
c
d
d
X6M
X7M
X7M
X7M
TR1
K1M
K2M
K2M
K2M
e
e
e
p
K5M
K3M
f
F1B
F2B
g
q
X6YB
h
X3M
X3M
i
r
X4M
14 Technical data
Installer reference guide
64
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