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To open/close the stop valve
To handle the stem cap
To handle the service cap
8.2.8 To connect the refrigerant piping to the outdoor unit
ERRA08~12E + ELVH/X12S18+23E
Daikin Altherma 3 R MT F
4P708474-1 – 2023.05
Silicon sealant, make sure there is no gap.
1 Remove the stop valve cover.
2 Insert a hexagon wrench (liquid side: 4 mm, gas side: 4 mm) into the valve
stem and turn the valve stem:
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 Open the outdoor unit step 1 and 2
2 Detach the outer side of the rubber grommet.
8
Piping installation
|
Tightening torque (N∙m)
13.5~16.5
22.5~27.5
Tightening torque (N∙m)
11.5~13.9
("7.2.2 To open the outdoor
4
unit" [
78]).
Installer reference guide
101
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