2.3 Installation of refrigerant connections
" Manipulate the pipes and made their
crossing (slab or wall) with protective caps in
place or after brazing.
" Keep the protective caps or ends soldered to
the commissioning of the appliance.
The outdoor unit must be connected to the hydraulic
unit only with new copper pipes and connections
(Refrigerant quality), insulated separately.
Respect the pipes diameters (gure 21, page 21).
Observe the maximum and minimum distances between
the hydraulic unit and the outdoor unit (gure 21, page 21)
the guarantee of the performances and the system's
service life depend on this.
The minimum length of the refrigerant connections
is 5 m for correct operation.
The appliance will be excluded from guarantee if it is
used with refrigerant connections less than 5 m long
(tolerance +/- 10%).
If the refrigerant connections are exposed to weathering
or UV- and the insulation is not strong, it is necessary to
provide protection.
gure 14 - Recommended example of
refrigerant connections disposition
Installation and operation manual "1734 - EN"
Heat pump air/water split 1 service alféa extensa +
- 14 -
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