Settings; Setting Type Of Control (A1); Setting The Delivery Head (A2); Display Of The Current Amount Of Feed - Biral A 402 V2 KW Instrucciones De Instalación Y Funcionamiento

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Cycle du mode
de régulation
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7. Settings

Danger of burns!
At high media temperatures the pump
can become so hot that only the control keys
can be touched.
A1) Control button
for setting type of regulation and display (LED)
see section 7.1
A2) Control keys for setting (delivery head)
with illuminated symbols (LED) to indicate delivery head
and flowrate
Refer to 7.2
A3) Illuminated symbol fault, external operation (Ext)
Minimum speed
Refer to 7.6

7.1 Setting type of control (A1)

Control key
Controlled operation: Proportional pressure (pp)
Suggested for the following equipment:
– Valves with a wide field of application
– High pressure loss in the system circulation
Controlled operation: Constant pressure (cp)
Suggested for the following equipment:
– Low pressure loss in the system circulation
Uncontrolled operation: Constant speed (cs)
The operating point can be optimally adjusted
by altering the speed (A2 buttons).
Suggested for systems with constant volume flow:
Air conditioning units, heat pumps, boiler feed pumps,
etc.

7.2 Setting the delivery head (A2)

The setpoint of the pump can be adjusted by pressing key
or
e.g.
LED 3 lights (yellow)
characteristic curve 3
LEDs 3 and 4 light:
characteristic curve between 3 and 4
7.3 Display of the current amount of feed (LED V)
.
V ≤ 25, 50, 75, 100%
.