16 Technical data
Installer reference guide
92
RVLQ05+08CAV4 + RHYHBH05AA + RHYHBH/X08AA +
RHYKOMB33AA
ROTEX HPU hybrid
4P355635-1 – 2013.05
m
Thermistors
Determines the water and refrigerant temperature at various
points in the circuit.
n
Air valve
o
By-pass valve
16.2.4 Components: Switch box (indoor unit)
X1M/X2M
X5M
X39A
X9A
A1P
FU1
TR1 TR2
ai a b
c
g
f
j
d
e
h
a
Transformer TR1, TR2
b
Connectors X6YA/X6YB/X6Y
c
Terminal block X2M (high voltage)
d
Digital I/O PCB A4P (only for installations with
digital I/O PCB kit)
e
Demand PCB for power limitation
f
Terminal block X5M (low voltage)
g
Main PCB A1P
h
Socket X9A, receives the thermistor connector.
(Only for installations with domestic hot water tank)
i
PCB fuse FU1
j
Socket X39A, receives the boiler connector
(communication cable)