Setting And Adjustment Of Type Of Control (A1); Setting The Delivery Head (A2); Feed Height And Output - Biral A 802 Instrucciones De Instalación Y Funcionamiento

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7.2 Setting and adjustment of type of control (A1)

If the and keys are pressed simultaneously,
the illuminated fields will display the selected type of control.
If these keys are held down longer than five seconds,
the type of control will switch to constant pressure
or proportional pressure, respectively.
Controlled operation: Proportional pressure (pp)
Suggested for the following equipment:
– Dual pipe systems with thermal valves and
– long stretches of pipe
– valves with a large working area
– high pressure loss
– Primary circuit pumps with high pressure loss
Upper and lower illuminated symbol (A2) flashing.
No. 1 and No. 6
Controlled operation: Constant pressure (cp)
Suggested for the following equipment:
– Twin pipe system with thermal valves
and natural convection of heat
(former gravity heating)
– with very low pressure loss
– Primary circulation pumps in systems
with low pressure loss
– Floor heating with thermostatic valves
– Single-pipe heating
Illuminated symbols in the centre (A2) flashing.
No. 3 to No. 4

7.3 Setting the delivery head (A2)

The setpoint of the pump can be adjusted by pressing
the or key.
Example: LED 3 lights (yellow): characteristic curve 3
If individual radiators do not become sufficiently hot,
Warning
set the next highest characteristic curve.

7.4 Feed height and output

A 802
A 1002
AD 802
.
H [m] V
max max
11,5 75
11,5 75
11,5 75 (1P) 105 (2P)
[m 3 /h]