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EQUIVALENT LENGTH ACCESSORIES IN METRES
Outer pipe diameter
Short elbow joint radius
90º bend (Long radius)
3/8"
0,30
0,20
1/2"
0,40
0,30
5/8"
0,50
0,40
3/4"
0,50
0,40
7/8"
0,60
0,50
1 ⅛"
0,70
0,60
1 ⅜"
1,00
0,70
1 ⅝"
1,20
0,80
N O T E
The 45º elbow joints and bends (used in drain traps, for example) have half the equivalent length of the
90º bends.
Coolant charge according to piping diameter
Model
Rated R-410A
charge (kg)
No. of cir‐
cuits
Gas line diame‐
ter
Liquid line diameter
Additional charge (g./m)
L (m)
L
E
(m)
VAC 20A / VIR 25A
12
1
1 - 1/8"
(28,5 mm)
1/2" (12,7 mm)
112
50
1
60
VAH 20A / VIR 25A
12
VAC 25A / VIR 25A
12,5
1
1 - 1/8"
(28,5 mm)
1/2" (12,7 mm)
112
50
1
60
VAH 25A / VIR 25A
12,5
VAC 30A / VIR 40A
12,5
1
1 - 1/8"
(28,5 mm)
5/8" (15,87 mm)
170
50
60
VAH 30A / VIR 40A
12,5
VAC 40A / VIR 40A
13,5
1
1 - 1/8"
(28,5 mm)
5/8" (15,87 mm)
170
50
60
VAH 40A / VIR 40A
VAC 45A / VIR 45A
11x2
2
1 - 1/8"
(28,5 mm)
1/2" (12,7 mm)
112
50
60
VAH 45A / VIR 45A
VAC 60A / VIR 60A
12,5x2
2
1 - 1/8"
(28,5 mm)
5/8" (15,87 mm)
170
50
60
VAH 60A / VIR 60A
12x2
VAC 75A / VIR 75A
15,5x2
2
1 ‑ 3/8" (35 mm)
7/8" (22 mm)
333
50
60
VAH 75A / VIR 75A
15,5x2
VAC 90A / VIR 90A
15x2
2
1 ‑ 3/8" (35 mm)
7/8" (22 mm)
333
50
60
VAH 90A / VIR 90A
15x2
L: maximum length on straight connection pipe sections.
L
E
: maximum equivalent length of unit connection pipes.
1
: As of a total sum of 20 metres in length on straight connection pipe sections (horizontal and vertical) between units, a suction accumulator of at
least 7 litres must be fitted on the gas line.
1.5.5 Connection and preparation of the various connections
Electricity. Power and control
POWER LINE
Power must be supplied to the unit through a specific power supply line with an exclusive power control
and differential breaker, installed in line with national and local regulations.
1
Quick installation guide
1.5
Instructions for installation and connection of the unit
18