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8
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Piping installation
To handle the stem cap
To handle the service cap
8.2.8 To connect the refrigerant piping to the outdoor unit
Installer reference guide
92
Counterclockwise to open
Clockwise to close
3 When the stop valve CANNOT be turned any further, stop turning.
4 Install the stop valve cover.
Result: The valve is now open/closed.
▪
The stem cap is sealed where indicated with the arrow. Do NOT damage it.
▪
After handling the stop valve, tighten the stem cap, and check for refrigerant
leaks.
Item
Stem cap, liquid side
Stem cap, gas side
▪
ALWAYS use a charge hose equipped with a valve depressor pin, since the service
port is a Schrader type valve.
▪
After handling the service port, tighten the service port cap, and check for
refrigerant leaks.
Item
Service port cap
▪
Piping length. Keep field piping as short as possible.
▪
Piping protection. Protect the field piping against physical damage.
1 Do the following:
▪ Remove the service cover (a) with screw (b).
▪ Remove the piping intake plate (c) with screws (d).
b
d
d
2 Choose a piping route (a, b, c or d).
Tightening torque (N∙m)
Tightening torque (N∙m)
a
c
13.5~16.5
22.5~27.5
11.5~13.9
ERLA11~16D + EBVH/X11+16S18+23D
Daikin Altherma 3 R F
4P643602-1B – 2022.05
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