Lennox FLATAIR FIC-H Series, Инструкция по применению

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• 26 •
10 12 15 20 25 30
3/8” 3/8” 1/2” 1/2” 5/8” 5/8”
3/4” 3/4” 7/8” 7/8” 1 1/8” 1 1/8”
15 15 15 15 15 15
12 12 12 12 12 12
Application Guide • FLATAIR-AGU-MSL60-1505-E
10 - INSTALLATION
10.2 - REFRIGERANT CONNECTIONS
To locate the outdoor and the indoor units, refer to the following information:
A,B,C: Units positions
L: Total length
1: Gas line
2: Liquid line
POSITION A:
A syphon suction must be installed on the vertical line of the gas line 1, and syphons must be installed every 8 meters upward. The
minimum speed suction must not be below 6 m/s.
POSITION B:
Tip the lines toward the outdoor unit. Make special attention to the line length longer than 10m and avoid collapse on pipe lines
installation.
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DISPOSICIÓN C:
Install a syphon at the base of the vertical line, no more syphons are necessary.
OUTDOOR UNIT
INDOOR UNIT
OUTDOOR UNIT
OUTDOOR UNIT
INDOOR UNIT
INDOOR UNIT
REFRIGERANT LINES
SIZE
Total length
0 to 30m
Liquid
Gas
Maximum vertical line length (m)
Maximum number of bends
For other positions and lines lengths between 30 and 50m or longer, consult the commercial-technical de-
partment, pipe dimensions, syphon suction, isolations, refrigerant load, line lengths.
Split units are supplied with nitrogen gas. The installer should remove this gas and charge the units with the charge of refrigerant
R410A , shown in the table 2.7.2 plus the charge by additional meter shown in the table 2.7.3.
TABLE 2.7.1.: REFRIGERANT LINES