10
Multi Type Air Conditioner
Installation of Indoor, Outdoor Unit
Flared connection (Union)
Flared connection
(Service valve, Ball valve)
Use a seemliness tube
Factory charged
Indoor
Outdoor
Perform the work according to the Service Manual or Installation Guide.
• Use two spanners when connecting the
refrigerant pipe to the unit.
• Make a bend with a radius as large as
possible.
• Perform air purge with R22 or vacuum drying.
• When piping work is finished, check all joints.
■
Add refrigerant if piping over 7.5m as shown
below, non distributor type.
■
Add refrigerant if piping over 5m (main pipe),
7.5m (branch pipe) as shown below, distributor
type.
24 kBtu/h
15.88
6.35
30g/m
48/60 kBtu/h
19.05
9.52
50g/m
90 kBtu/h
25.4
12.7
120g/m
12/18 kBtu/h
12.7
6.35
20g/m
24/30/36 kBtu/h
15.88
6.35
30g/m
48 kBtu/h
19.05
9.52
50g/m
Main Pipe
Branch Pipe
Additional
Refrigerant
Pipe
Gas
Liquid
Refrigerant piping
Table. Distributor type
12/18 kBtu/h
12.7
6.35
20g/m
24/30/36 kBtu/h
15.88
6.35
30g/m
48 kBtu/h
19.05
9.52
50g/m
Branch Pipe
Additional
Refrigerant
Pipe
Gas
Liquid
Table. Non Distributor type
Summary of Contents for L5UC728FA2
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