Connection And Preparation Of The Various Connections - York VAC 20A Quick Installation Manual

1 Quick installation guide
1.5 Instructions for installation and connection of the unit
EQUIVALENT LENGTH ACCESSORIES IN METRES
Outer pipe diameter
3/8"
1/2"
5/8"
3/4"
7/8"
1 ⅛"
1 ⅜"
1 ⅝"
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
Rated R-410A
Model
charge (kg)
VAC 20A / VIR 25A 12
VAH 20A / VIR 25A 12
VAC 25A / VIR 25A 12,5
VAH 25A / VIR 25A 12,5
VAC 30A / VIR 40A 12,5
VAH 30A / VIR 40A 12,5
VAC 40A / VIR 40A
13,5
VAH 40A / VIR 40A
VAC 45A / VIR 45A
11x2
VAH 45A / VIR 45A
VAC 60A / VIR 60A 12,5x2
VAH 60A / VIR 60A 12x2
VAC 75A / VIR 75A 15,5x2
VAH 75A / VIR 75A 15,5x2
VAC 90A / VIR 90A 15x2
VAH 90A / VIR 90A 15x2
L: maximum length on straight connection pipe sections.
L : maximum equivalent length of unit connection pipes.
E
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.
18
Short elbow joint radius
0,30
0,40
0,50
0,50
0,60
0,70
1,00
1,20
No. of cir‐ Gas line diame‐
Liquid line diameter
cuits ter
1 - 1/8"
1
(28,5 mm)
1 - 1/8"
1
(28,5 mm)
1 - 1/8"
1
(28,5 mm)
1 - 1/8"
1
(28,5 mm)
1 - 1/8"
2
(28,5 mm)
1 - 1/8"
2
(28,5 mm)
2 1 ‑ 3/8" (35 mm)
2 1 ‑ 3/8" (35 mm)
90º bend (Long radius)
Additional charge (g./m)
1/2" (12,7 mm) 112
1/2" (12,7 mm) 112
5/8" (15,87 mm) 170
5/8" (15,87 mm) 170
1/2" (12,7 mm) 112
5/8" (15,87 mm) 170
7/8" (22 mm) 333
7/8" (22 mm) 333
0,20
0,30
0,40
0,40
0,50
0,60
0,70
0,80
L (m) L (m)
E
1
50 60
1
50 60
50 60
50 60
50 60
50 60
50 60
50 60