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Installation of Indoor, Outdoor Unit
Piping length and elevation
Multi Piping Type
1.1 The maximun allowable level, piping length and Refrigerant Charge
[Outdoor Unit]
15m
Standard Length
Model
(m)
[Outdoor Unit]
A,B,C,D
L4UH602FA2
7.5
L4UC602FA2
h Extra refrigerant = (Extended length - Rated length) x Additional refrigerant
CAUTION: Capacity is based on standard length and maximum allowance
length is on the basis of reliability. Oil trap should be installed every 5~7
meters.
If the number of indoor unit is below 4 in case of L4UC(H)602FA2, tighten
the valves of outdoor not connected to a indoor unit with a cap and close
the valve of outdoor not connected to a indoor unit with a service valve
wrench.
Service Valve Wrench
8 Air Conditioner
Max piping
Max total piping
(m)
length(m)
A
B
C
D
30
30
30
30
80(A+B+C+D)
Gas Valve
It does not matter which unit is higher.
[Indoor Unit]
A
B
C
D
Additional Charge
over the total 30m pipe length
Service Valve Wrench
7.5m
Charge(g/m)
30
Cap
Liquid Valve
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