2 Installation
2.1 Installation of refrigeration connections
" Bend the pipes into position and make holes
for them through the oor or walls either with
their protective caps in place or after brazing.
" Keep the protective caps in place or ends brazed
until the appliance is commissioned.
The outdoor unit must be connected to the hydraulic unit
only with brand new separately insulated copper
connections (refrigerant quality).
Maintain the same pipe diameters (gure 19).
Observe the maximum and minimum distances between
the hydraulic unit and the outdoor unit (gure 19, page 22);
the guarantee of performance and the service lifespan
of the system depend on this.
The minimum length of the refrigeration connections
for correct operation is 5 m.
The appliance's warranty will be void if it is operated
with refrigeration connections less than 5 m long
(tolerance +/- 10%).
If the refrigeration connections are exposed to
weathering or UV radiation and the insulation is not
resistant, protection must be provided.
gure 12 - Example of recommendation
for layout of refrigeration connections
Installation and Operating Manual "1821- EN"
Alféa Extensa Duo A.I. Heat Pump
- 16 -
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