15 Technical data
Installer reference guide
78
ERLQ004~008CA + 08S18CA3VF
Daikin Altherma low temperature split
4P3662261 – 2014.01
INFORMATION
Some components are NOT directly accessible when
removing the top plate and/or the front plates. It could be
necessary to remove the isolation of the tank by sliding it
backward of the tank. The components in the switch box
are accessible by removing the switch box cover.
15.2.4
Components: Switch box (indoor unit)
A7P
A1P
Q1L
X6M
X7M
X7M
K1M
K2M
K5M
K2M
F1B
X2M
X1M
X3M
X5M
X6Y
X6YA
X6YB
FU1
TR1
a
m
l
k
j
i
b
d
d
e
f
g
h
c
d
n
a
Pump PCB A7P (Inverter PCB)
b
Backup heater thermal protector Q1L
c
Transformer TR1
d
Backup heater contactors K1M, K2M and K5M
e
Connectors X6YA/X6YB/X6Y
f
Backup heater circuit breaker F1B
g
Terminal block X2M (high voltage)
h
Terminal block X1M (to outdoor unit)
i
Cable tie mountings
j
Digital I/O PCB A4P (only for installations with solar kit or digital I/O
PCB kit)
k
Demand PCB for power limitation
l
Terminal block X5M (low voltage)
m
Main PCB A1P
n
PCB fuse FU1
Summary of Contents for ERLQ004CAV3
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