Innova 5 - PP1 Primary Circulation Pump

44


To avoid dangerous cavitation that could damage the

suction pressure, with the pump on, measured by the
pressure gauge on the appliance, must not be less than
0.6 bar.
4�3 Adjustments
4�3�1 Setting the head value
The maximum head value must be set with:
• 100% compressor capacity
• all distribution valves open
• all consumers on
• any secondary pumps in operation switched on and
calibrated, see chapter "Circulation pumps optional
kits" p.62
4�4 PP1 primary circulation pump
The appliance uses a high-eciency wet circulation
pump, suitable for all heating and air-conditioning
plants.
-


Fixedspeed mode must be used for the primary
pump.
4�4�1 Fixed speed mode

that are not subject to regulation. For operating curves
(available at maximum speed) see chapter "PP1 primary
circulation pump" p.44.

The unit is supplied with the selector set to maximum
speed.
Therearetwo dierentcontrolmodes according to
the installed pump model:
Pump model variant 1
1� Minimum speed
2� Medium speed
3� Maximum speed
1
2
3
To select maximum speed:
– act on the knob
– set to 3
Pump model variant 2
1� Selection button
1
To select maximum speed:
– press the selection button in sequence until the LEDs
light up
Fixed speed selection
Maximum speed
4�5 Circulation pumps optional kits
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    p. 55 section
to set the circulation pumps of the optional kit.