Vaillant VA 6-050 MXNHDI, Руководство по установке

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Multi Split Type Installation Manual
23 EN
12.2 Planning the Coolant Return
The coolant circuit contains a special oil to lubricate the
outdoor unit compressor. To assist the return of the oil
to the compressor the following is recommended:
- that the indoor unit is located higher than the outdoor
unit and,
- that the suction pipe (the thickest one) is assembled
with the tilt towards the compressor.
If the outdoor unit is mounted higher than the indoor
unit, the suction pipe must be mounted in a vertical
position. At heights exceeding 7.5 m:
• an additional oil deposit should be installed at each 7.5
m interval to collect the oil and suction it, returning it
to the outdoor unit and
• an elbow can be installed in front of the outdoor unit
to further assist the oil return.
12.3 Connection of the Coolant Pipes
Note!
Installation is easier if the gas suction pipe is
connected up first. The suction pipe is the
thickest one.
• Mount the outdoor unit in the designated site.
• Remove the protection hoods from the coolant joints
in the outdoor unit.
• Carefully bend the installed pipe towards the outdoor
unit.
Warning!
Danger of breakdowns or malfunction. Danger of
wear in the coolant pipes.
Bend the pipe carefully to prevent choking or
breaks.
• Cut the pipes, leaving enough extra piping hanging
over to enable the unit to be hooked up at the outdoor
unit joins.
• Flare the coolant pipe when installed.
• Join the coolant pipes to the corresponding outdoor
unit connection.
• Insulate the coolant piping correctly and separately. To
do so, cover any possible cuts with masking tape or
insulate any bare coolant piping with the
corresponding insulation material used for cooling.
12.4 Connection of the Pipe for the Drainage of the
Condensed Water
Note!
Applicable only to those units that have built-in
heat pumps.
Whilst the unit is running with the heat pump function,
condensation forms in the outdoor unit and has to be
drained.
• Insert the elbow included in the supply in the hole
provided at the bottom of the outdoor unit and turn it
90º to fix it (see Figure 12.2).
Fig. 12.2 Assembly of the drainage elbow for condensed water.
Legend
1 Outdoor Unit
2 Drainage elbow
3 Drainage hose
• Mount the drainage hose ensuring that it leaves the
equipment at a tilt.
• Verify the correct drainage of the water by pouring
the water into a collection tray located at the bottom
of the outdoor unit.
• Protect the condensed water hose with thermal
insulation to avoid freezing.
Installation of the Outdoor Unit 12