1414
1414
14
TRIO
High THigh T
High THigh T
High T
echech
echech
ech
REFRIGERATING PIPE CONNECTIONS BETWEEN THE INDOORS UNITS
AND THE OUTDOORS UNIT
Indoors units contain a small amount of neutral GAS.
Do not unscrew the nuts on the indoors and outdoors units before being ready to proceed
with connecting the refrigerating pipes.
The outdoors unit contains sufficient refrigerant fluid for pipes up to a length of 4 metres per
way.
Only use proper pipe bending tools to form the pipe bends in order to avoid any breakages.
To ensure a perfect seal, cover the valve surface with refrigeration oil.
NONO
NONO
NO
TT
TT
T
AA
AA
A
Only use «refrigeration engineering «quality, copper piping and designed for withstanding
pressures at least equal to 30 bars
Use pipe with the appropriate Ø for each model. (Refer to pipe dimensions and tightening
torque values table above).
Insulate each pipe as well as its connectors separately, with insulation material having a
minimum thickness of 6mm.
Attach the refrigerating pipes, the condensate drain pipe and the electrical cable together with
a strap.
Place the FLARE nuts on the pipe ends and prepare them with a pipe end flaring tool.
Use the FLARE nuts fitted to the indoors and outdoors units.
Connect the four ends of the two pipes to the indoors and outdoors units.
Repeat these operations for connecting the 2nd, 3rd and 4th indoors units
THE USE OF A COUNTER SPTHE USE OF A COUNTER SP
THE USE OF A COUNTER SPTHE USE OF A COUNTER SP
THE USE OF A COUNTER SP
ANNER IS INDISPENSABLEANNER IS INDISPENSABLE
ANNER IS INDISPENSABLEANNER IS INDISPENSABLE
ANNER IS INDISPENSABLE
FOR TIGHTENING THE VFOR TIGHTENING THE V
FOR TIGHTENING THE VFOR TIGHTENING THE V
FOR TIGHTENING THE V
ALAL
ALAL
AL
VESVES
VESVES
VES
..
..
.
The tightening torque values are specified in table below:
PIPE Ø TIGHTENING TORQUE
1/4"" 15-20 Nm
3/8"" 30-35 Nm
1/2"" 50-54 Nm
5/8"" 70-75 Nm
7/8"" 90-95 Nm
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