Piping Length and Elevation
Pipe Size
Capacity
GAS
(Btu/h)
mm
inch
18k
Ø12.7
1/2
Indoor unit
CAUTION
!
Capacity is based on standard length and maximum allowable length is on the basis of
reliability. Additional refrigerant must be charged after 24.6ft(7.5m).
Operation ranges
The table below indicates the temperature ranges the air conditioner can be Operated within.
Mode
Cooling
64.4°F~89.6°F(18°C~32°C)
Heating
* Cooling Only Model, Only check the temperature of the cooling mode.
Standard
LIQUID
Length
m(ft)
mm
inch
Ø6.35
1/4
7.5(24.6) 10(32.8)
A
B
Outdoor unit
Indoor temperature
60.8°F~86°F(16°C~30°C)
Max.
Min
Max.
Elevation
Length
Length
Ⓑ m(ft)
Ⓐ m(ft)
Ⓐ m(ft)
-
20(65.6)
A
Indoor unit
Outdoor temperature
-0.4°F~118.4°F(-18°C~48°C)
-4°F~75.2°F(-20°C~24°C)
27
Additional Refrigerant for
longer than 7.5m(24.6ft)
g/m
oz/ft
20
0.38
Outdoor unit
B