3 Installation
4x
3
8
Following step is only applicable for RHBH/X16.
3.2.2 To install the drain pan kit
If a drain pan kit (EKHBDPCA2) is required, install it before
connecting the refrigerant and water pipes and the electrical wiring.
To install, see the installation manual of the drain pan kit.
3.3
Connecting the refrigerant piping
See the outdoor unit installation manual for all guidelines,
specifications and installation instructions.
3.3.1 To connect the refrigerant piping to the
indoor unit
1
Connect the liquid stop valve from the outdoor unit to the
refrigerant liquid connection of the indoor unit.
a
a Refrigerant liquid connection
b Refrigerant gas connection
2
Connect the gas stop valve from the outdoor unit to the
refrigerant gas connection of the indoor unit.
Installation manual
4
3.4
3.4.1 To connect the water piping
To facilitate service and maintenance, 2 shut-off valves are provided.
Mount the valves on the water inlet and on the water outlet. Mind their
the position. Orientation of the integrated drain valves is important for
servicing.
1
b
2
3
4
5
b
1
3
Connecting the water piping
NOTICE
Do NOT use excessive force when connecting the piping.
Deformation of the piping can cause malfunctioning of the
unit.
Install the shut-off valves on the water pipes.
a
a Water inlet
b Water outlet
Screw the indoor unit nuts on the shut-off valves.
Connect the field piping on the shut-off valves
In case of connection with the optional domestic hot water tank,
see the installation manual of the domestic hot water tank.
Only applicable for RHBH/X16: install the sound plate as shown
in the figure below.
2
4x
RHBH/X04+08+16CA
Rotex HPSU low temperature Bi-Bloc
4P330419-1A – 2012.11