Operation Ranges; Piping Length And Elevation - Friedrich M18YJ Manuel D'installation

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