Myson iVector S2, Installation Manual

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22
iVector S2
Installation manual
iVector S2 • 2022-07-01
US
4.3 Return valve pre-setting screw adjustment
The system can be balanced using the return valve(s)
fitted to the unit. The following procedure must be
carried out for correct regulation and balancing of the
system: • Screw the slotted pin back in as far as it will go.
• Mark a reference point “x” aligned to the pin slot for
adjustment of the pin. (
B
)
• Use the screwdriver to open up the pin. The number
of turns should be determined from the ΔP-Q chart.
(
C
)
• Use the Allen key to open up the adjustment screw as
far as it will go. (
D
)
• The pre-setting is now done and does not change
when opening and closing the adjustment screw with
the Allen key. Replace the cap.
Return valve pre-setting adjustment:
• Remove the top cap to reveal the adjustment
mechanism.
• Use a screwdriver to loosen and remove the slotted
pin inside the central hexagonal recess.
• Use a 5mm Allen key to close the adjustment screw
(
A
).
Scr
ewdriv
er
Scr
ewdriv
er
Allen K
ey
Allen K
ey
Top Cap