Installation Of Refrigerant Connections - Fujitsu Waterstage WOYG112LCTA Maintenance Document

Air to Water Heat Pump (Split integrated DHW type)
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
Observe the maximum and minimum distances
between the hydraulic unit and the outdoor unit
(figure 20, page 19); 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.
figure 11 - Recommended example of
refrigerant connections disposition
Installation and operating manual "1768 - EN"
(figure 20, page 19).
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