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Olimpia Splendid NEXYA S4 E - PENTA INVERTER 42 Manual

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ø 6,35 mm
1500
(153 kgf/cm)
1600
(163 kgf/cm)
ø 9,52 mm
2500
(255 kgf/cm)
2600
(265 kgf/cm)
ø 12,7 mm
3500
(357 kgf/cm)
3600
(367 kgf/cm)
ø 16 mm
4500
(459 kgf/cm)
4700
(479 kgf/cm)
ENGLISH
EN - 22
Lunghezza tubo di
connessione
Quantità aggiuntiva di
refrigerante da caricare
Inferiore a (5 x N) m ----------
Superiore a (5 x N) m
R410A: (lunghezza totale
del tubo - 5 x N) x 15 g/m,
N=2,3,4 or 5
N = n° unità interne installate
NEVER USE A NORMAL HANDSAW,
scraps could fall inside the pipe and enter the circuitry of the system, damaging

c. Remove possible burrs with the special tool.
I
mmediately after cutting and deburring the pipes, seal the ends with insulating
tape.
d. If you do not use preinsulated pipes, they must be insulated as follows:
 
 
2
) or 0.39 kcal/(h x C x m
2
)
 
 
Do not place both pipes in the same sheath, as this would jeopardize the proper

e. Bind any joints in the sheath securely with insulating tape.
f 
g
h. Lubricate the connecting thread with oil for coolant.
DO NOT USE ANY OTHER TYPE OF LUBRICANT
i. Screw the pipe nut manually on
the connecting thread.
l 
a wrench to hold the threaded
part of the attachment still (to
prevent deformations), and a
dynamometeric wrench on the

Calibrate the dynamometric
wrench to the value suitable for
the pipe dimensions.
2.6.4 - Tests and inspection
After making all pipe connections, check the seal of the system.
Operate as follows:
a 
b. Connect a tank of anhydrous nitrogen to the coupling with a 5/16” connector and a pressure reducer.
c. Open the tap on the tank and pressure reducer and bring the pressure in the circuit to 3 bar; close the
tank.
d. If after about 3 minutes the pressure does not drop, the circuit is in good working order and the pressure
can be raised to 15 bar by reopening the tank.
e. Check again after 3 minutes that the pressure remains stable at 15 bar.
f. For safety reasons apply a solution of soapy water to the connectors and check for the formation of bub-
bles revealing leakage of gas.
g. If the pressure should drop and the search on the attachments with soapy solution gives a negative
outcome, introduce R32 gas into the circuit and look for the leak using a leak detector.
Since the circuit has no welding points, the leaks should only be present in the piping joints. In this case,
External diameter
of the pipe

(N.cm)
Additional coupling

… 76 …


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