18
English
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The SHERPA units are equipped with an integrated
hydronic module
WITHAVARIABLEmOWSPUMPSELF
controlled that allows fast installation with the aid of a few
external components. The SHERPA units, on the other
hand, do not have a circulation pump and expansion
vessel.
For this reason, they must be provided outside. In any case,
all the necessary protections and valves are to be inserted
in the water circuit inside the unit.
Refer to Figure 9 for the exact connection of the water
pipes. Figure 10 describes the integrated components in
THEIRVARIOUSCONlGURATIONS
NOTE: The correct dimensioning of the expansion vessel
is left to the installer as a function of the type of plant.
NOTE: The discharge of the safety valve can be
channelled to the outside of the machine using the
pre-cut holes (see Fig. 4). In this case, it is necessary to
provide an open drain funnel.
Size 004-006-008
Size 012-015
The operating red knob allows to set several pressure levels in 2 control modes :
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The user interface allows to select between 6 pressure levels in 2 control modes:
- 3 constant pressure/power curves (CP)
- 3 proportional pressure curves (PP)
Min flow=1 ; Max flow=3
‘‘Set Up’’ procedure :
‘‘Set Up’’ procedure :
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All functions can be set, activated or deactivated by using the operating red
knob:
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- For venting the pump, turn the knob in its middle position (the venting
function is activated after 3 seconds and lasts 10 minutes before going to
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1) Factory pre-setting
Constant Pressure Curve CP3
2) Push the button 10 sec
Pump goes to setting mode - LED
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3) With each push the setting changes
LED 1-2-3 shines / control curve and
mode is changing
4) After 10 sec not pushing the button
Setting is adapted – pump goes back
to operation mode
5) LED 1 or 2 or 3 is permanently
shining
Pump is running with the selected
curve and mode
NOTE:
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Venting function
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