REMEHA Quinta 85 Technical Information download pdf (Page 46)

Remeha Quinta 85

Fig. 16 Fitting the interface

05.W4H.79.00008

8.4.2 Analog control (0 -10 Volt dc)

The heat output modulates between the minimum and the maximum value on the

basis of the voltage supplied by an external analog

(0 -10V, volt free) input (terminal connections 1 (gnd) and 2 (+)).

- Temperature based (20 to 90°C) set the x value of the boiler control operation

parameter (A) to 4.

To set the ratio between voltage and the desired flow temperature, see Par. 6.6.15

and the graph below.

- Output based - fixed parameters (18 to 100%), see graph below.

0 Volt = boiler off

0.5 - 1.8 Volt = heat input 18%

1.8 - 10 Volt = boiler modulates between 18 and 100% on demand

Set the x value of the boiler control operation parameter (A) to 5.

NOTE: When using an external analog (0 -10V), the factory default 03should be

changed to 00.

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REMEHA Quinta 85 Technical Information Page 46