Fujitsu Airstage J-II Series Design & Technical Manual page 470

„ INSTALLING THE SENSOR
„
z Installing the refrigerant pressure sensor
„
Installing the sensor between the indoor unit and the separation tube (or outdoor unit).
Indoor unit
45° or
less
The lowest indoor unit
from the outdoor unit
You can use a ball valve with access port.
In this case the joint pipe is not used.
Tighten the refrigerant pressure sensor with a torque wrench and a holding wrench.
Sensor
Indoor unit
Indoor units installed same floor
45° or
Install the refrigerant
less
pressure sensor
so that the connecting
part is directed
downward.
Prohibited
Joint pipe
(accessories)
10 m (32 ft) or less
Gas pipe (locally purchased)
Liquid pipe (locally purchased)
Refrigerant
pressure sensor
(accessories)
Holding wrench
Torque wrench
Joint pipe
(accessories)
Tightening torque
11 ±1.1 lbf·ft
(15 ±1.5 N·m)
- (05 - 107) -
Separation tube
Refrigerant
pressure sensor
(accessories)
Tee pipe
(locally
purchased)