Additional Charge - Fujitsu Waterstage WOYA060LFCA Installation And Operating Manual

Air to Water Heat Pump, split system

3 .4 .5 Additional charge

The charge in the outdoor units corresponds to the maximum distances between the outdoor unit and the hydraulic
unit defined in page 21. If the distances are greater, an additional charge of R410A is required. The additional
charge depends on the distance between the outdoor unit and the hydraulic unit for each type of appliance.
The additional charge of R410A must necessarily be made by an approved refrigeration engineer.
Models / Length of the
Factory charge connections m
Comfort 5,6 extensa + 5, 6 /
1100 g
Charge
Comfort 8
extensa + 8 /
1400 g
Model / Length of the
Factory charge connections m
Comfort 10
extensa + 10 /
Charge
1800 g
extensa + 13, 16 (Outdoor unit WOYG112LHT, WOYG112LCTA, WOYG140LCTA)
Model / Length of the
Factory charge connections m
extensa + 13 / 16
Charge
2500 g
- The charge must be introduced after creating the
vacuum and before the hydraulic unit is filled with gas,
as follows :
- Disconnect the vacuum pump (yellow hose) and connect a
bottle of R410A instead in the fluid extraction position
- Open the bottle's valve.
- Bleed the yellow hose by loosening it slightly on the
Manifold side.
- Place the bottle on scales with a minimum accuracy of
10g. Note the weight.
- Carefully open the blue valve slightly and check the
value shown on the scales.
- As soon as the value displayed has dropped by the
value for the calculated additional charge, close the
bottle and disconnect it.
- Then rapidly disconnect the hose connected to the appliance.
- Proceed to fill the hydraulic unit with gas.
Installation and operation manual "1764 - EN"
extensa + 5, 6, 8 Comfort 5, 6, 8 (Outdoor unit WOYA060LFCA, WOYA080LFCA) (Outdoor unit WOYA060LFCA, WOYA080LFCA)
15m < Length of the connections ≤ 30m
(Length of the connections - 15m) x 25 g/m=
16
1125
g
1425
extensa + (Outdoor unit WOYA100LFTA)
Comfort 10 (Outdoor unit WOYA100LFTA)
15m < Length of the connections ≤ 30m
(Length of the connections - 15m) x 40 g/m=
16
g 1840
15m < Length of the connections ≤ 20m
(Length of the connections - 15) x 50 = g
16
g 2550
17 X
1150 1100 + (X - 15) x 25 = g
1450 1400 + (X - 15) x 25 = g
17 X
1880 1800 + (X - 15) x 40 = g
17 18
2600 2650
Liquid
figure 23 - "Gas" bottle R410A
" Warning
• Only use R410A !
• Only use tools suitable for R410A (set of manometers).
• Always charge in the fluid phase.
• Never exceed the length or the maximum difference in level.
g
29
1450
1750
g
29
2360
19
2700
Gas
R410A
30
1475
1775
30
2400
20
2750
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