York VAC 20A, Quick Installation Manual

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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