Riello AARIA MULTI 250 P, Инструкции по установке и техническому обслуживанию

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22
INSTALLATION
MODEL 355 - 370 - 475 - 485
1 Terminal board panel and pipes cover panel
2 Liquid valve
3 Gas valve
4 Service connection
5 Gas line connection
6 Liquid line connection
2
3
4
5
6
1 1
Model 250 P 355 P 370 P 475 P 485 P
Connections
Liquid line
connection
2 x 1/4 3 x 1/4 4 x 1/4 Inches
Gas line
connection
2 x 3/8 3 x 3/8 3 x 3/8 + 1 x 1/2 Inches
Liquid line
connection 2 x
6,35
3 x 6,35 4 x 6,35 mm
Gas line
connection 2 x
9,52
3 x 9,52
3 x 9,52 + 1 x
12,7
mm
To access the cooling connections:
— unscrew the fastening screw
— push down the connection covering panel
— remove the connection covering panel
The cooling pipes must respect the lengths and differences in
height as indicated in the following table.
H+
H-
h1
h1
h2
h max
L1
L2
L3
L4
A
B
C
D
Model
250
P
355
P
370
P
475
P
485
P
h1 7,5 m
h2 7,5 m
h max 15,0 m
H- 15,0 m
H+ 15,0 m
L1, L2, L3, L4 20,0 25,0 m
L1+L2+L3+L4 30,0 50,0 60,0 70,0 m
Maximum length with
standard charge
20 30 40 m
Additional charge 20 g/m
9
The R32 refrigerant gas is slightly inflammable and odour-
less. Carefully read the safety data sheet available from the
dealer and see table "Minimum floor area"
p. 9 inside
the technical data paragraph and the installation manual of
the indoor unit installed.
Use pipes with the thickness indicated in the following table:
Pipe Ø Thickness
mm inches mm
6,35 1/4 0,8
9,52 3/8 0,8
12,70 1/2 0,8
15,88 5/8 1,0
Maximum operating pressure 4.3 Mpa.
9
In case of a drop in excess of 5 m, a siphon must be installed
every 5-7 metres.
9
The given measures are the maximum permitted values.
9
Cooling connections featuring shut-off valves are preconfig-
ured for flare connections.
9
Cooling lines must be as straight as possible and any neces-
sary bends must have a radius grater than 40 mm.
9
Use clean hoses. Make sure the inside is free of dust, resi-
dues, water.