INSTALLATION INSTRUCTIONS
Configuration of connection pipe and additional volume of refrigerant
Sheet 2. Additional refrigerant charging amount
for R410A
Note: The additional refrigerant charging amount in Sheet 2 is recommended
value, not compulsory.
Diameter of connection pipe mm
Indoor unit throttle
Outdoor unit throttle
Liquid pipe
Gas pipe
Cooling only,
cooling and heating
Cooling only
Cooling and
heating
1/4 in (6 mm)
0.2 oz/ft (20 g/m)
0.2 oz/ft (15 g/m)
0.2 oz/ft (20 g/m)
0.2 oz/ft (15 g/m)
0.5 oz/ft (50 g/m)
0.3 oz/ft (30 g/m)
1.3 oz/ft (120 g/m)
0.6 oz/ft (60 g/m)
1.3 oz/ft (120 g/m)
2.7 oz/ft (250 g/m) 2.7 oz/ft (250 g/m)
3.8 oz/ft (350 g/m) 3.8 oz/ft (350 g/m)
0.5 oz/ft (50 g/m)
1.1 oz/ft (100 g/m)
1.8 oz/ft (170 g/m)
2.7 oz/ft (250 g/m)
3.8 oz/ft (350 g/m)
1/2 in (12mm)
5/8 in (16 mm)
3/4 in (19 mm)
7/8 in (22.2 mm)
1/4 in (6 mm) or
3/8 in (9.5 mm)
3/8 in (9.5 mm) or
1/2 in (12mm)
5/8 in (16 mm) or
3/4 in (19 mm)
3/4 in (19 mm) or
7/8 in (22.2 mm)
1 in (25.4 mm) or
1 1/4 in (31.8 mm)
27
Specifications are subject to change without notice.
421 02 9260 00
