Weather Compensation - Ferroli CRONO REM Manual De Usuario

12. WEaTHER COMPENsaTION

It allows adjustment of the flow setpoint according to the outside temperature.
The calculation algorithm of the boiler flow setpoint based on outside compensation is as follows:
SP =
M
Where:
• sP = boiler flow setpoint
M
• sP = ambient setpoint set by interface
a
• T = Ambient temperature detected by the sensor integrated into the Remote Control
a
• KORR = Weather compensation with ambient influence (see 12.3 on page 86)
• EsT a = Filtered outside temperature (see "9. INFO menu" on page 72)
• KREG = Weather curves (see 12.1 on page 86)
• sP = Fixed point offset (see 12.2 on page 86)
The setpoint value sent to the boiler card is limited by the CHMAX value
The parameters involved in the calculation of weather compensation are described in detail below.
Note If the CL EN parameter is set to 1 but the external probe is not connected or is damaged, the boiler flow
setpoint is calculated by considering EST A = 0 in the algorithm.
KORR
( SP
- T
A
2
cod. 3542A970 - Rev 01 - 03/2022
) + T
- EST A
A A
KREG + SP
EN
85