Mitsubishi Electric MELFA RV-FR Series Instruction Manual page 84

3Installing the option devices
7) Connect the φ4 secondary piping air hoses.
Connect the φ4 secondary piping air hoses to the couplings on the back side of the solenoid valve.
Connect the air hoses sequentially from No.1.
The numbers (No.1 to No.4) indicated on the φ4 secondary piping air hoses are consistent with the num -
bers of piping pulled out of the mechanical interface. Refer to the numbers for piping to the tool.
As an example of the tools,
number.
Table 3-12 ： Solenoid valve ports and hand number
Hand Hand condition
Hand 1
Hand 2
Hand 3
Hand 4
Installing the solenoid valve set
3-72
φ4 air hose for secondary piping
Table 3-12
Port number
OPEN 1
CLOSE 2
OPEN 3
CLOSE 4
OPEN 5
CLOSE 6
OPEN 7
CLOSE 8
(only internal wiring and piping specification)
<Enlarged view of the φ4 air hose connection area>
Couplings on the back side of the solenoid valve
Push the φ4 secondary piping air hoses firmly to
the base of couplings as shown in the figure.
shows the relation between hand condition and coupling port
The solenoid
valve set in use
One set
Two sets
Three sets
Four sets
Port number
B port 2 4 6 8
A port 1 3 5 7