Samson 5179, 5100 operating instructions Functions of the heating circuit

Functions of the heating circuit

The Max. flow temperature and Min. flow temperature parameters mark the upper and lower lim- its of the flow temperature.

tVL	[˚C]
100										P1 to 4	Points 1 to 4
tVLmax 90
										tVL	Flow temperature
80
								P1		tA	Outdoor temperature
70										...min	Minimum tVL
60						P2				...max	Maximum tVL
50											4-point characteristic
				P3							Reduced 4-point
40
		P4									characteristic
30
tVLmin 20										tA
10
20	15		10	5	0	–5	–10	–15	–20	[˚C]

Fig. 3 · 4-point characteristic

Functions		WE		Configuration
4-point characteristic		OFF		Co1, 2, 3 -> Fb10 = ON
4-point characteristic		OFF		Co4 -> Fb03 = ON (Anl 3, 5, 8 and 10)
Parameters		WE		Parameter level / Range of values
Flow temperature	Point 1	70 °C		PA1, 2, 3 / 20 to 130 °C
	Point 2	55 °C
	Point 3	40 °C
	Point 4	25 °C
Outdoor temperature	Point 1	–15°C		PA1, 2, 3 / –30 to 90 °C
	Point 2	– 5 °C
	Point 3	5	°C
	Point 4	15	°C
Return flow temperature Point 1		65	°C	PA1, 2, 3	/ 20 to 90 °C
	Point 2	50	°C
	Point 3	35	°C
	Point 4	20	°C
Set-back difference	Points 2, 3	20	°C	PA1, 2, 3	/ 0 to 50 °C
Max. flow temperature		90	°C	PA1, 2, 3	/ 20 to 130 °C
Min. flow temperature		20	°C	PA1, 2, 3	/ 20 to 130 °C

EB 5179 EN 41