Main Water Circuit; Sensors - Sime BRAVA SLIM HE ErP Serie Manual De Instalation Y Mantenimiento

EN
DESCRIPTION
Gas consumption at Max/Min flow rate (G20)
Gas consumption at Max/Min flow rate (G31)
Gas supply pressure (G20/G31)
TEMPERATURE - PRESSURE
Max operating temperature (T max)
Heating adjustment range
Domestic hot water adjustment range
Max operating pressure (PMS)
Water content in boiler
Lower Heat Output (Hi)
9.45 kW/m (15°C, 1013 mbar) - G31 Hi. 12.87 kW/kg (15°C, 1013 mbar)
G20 Hi.
3
1.6

Main water circuit

1
2
3
4
5
7
6
12
13
21
20
Sc M U
KEY:
M System delivery
R System return
U Domestic hot water outlet
E Domesti hot water inlet
S Safety valve outlet
G Gas supply
Sc Condensate outlet
Condensing heat exchanger
1
Combustion chamber
2
Fan
3
Return sensor (SR)
4
Thermal safety thermostat
5
Delivery sensor
6
7 Domestic hot water heat exchanger
Pressure transducer
8
Automatic bleed valve
9
m
kg/h
mbar
kPa
kPa
11
10
9
8
18
14
16
15
19
17
G E R S
Fig. 4
25 30
/h 2,53 / 0,42 2,96 / 0,50
3
1,86 / 0,31 2,17 / 0,37
20 / 37 20 / 37
2 / 3,7 2 / 3,7
°C
°C
°C
bar
l 4,65 4,75
Condensing heat exchanger
1
Pump
2
System expansion vessel
3
Diverter valve
4
5 Automatic by-pass
Domestic hot water sensor
6
Gas valve
7
Domestic hot water flow meter
8
Domestic hot water filter
9
Boiler drain
10
System relief valve
11
System filling
12
Condensate siphon outlet
13
1.7

Sensors

The sensors installed have the following characteristics:
– Dual sensor (thermal safety/output) NTC R25°C; 10kΩ β25°-
85°C: 3435
– domestic hot water sensor NTC R25°C; 10kΩ β25°-85°C: 3435
– external sensor NTC R25°C; 10kΩ β25°-85°C: 3435
TR
0°C 1°C 2°C
0°C 27279 26135 25044
10°C 17959 17245 16563
20°C 12090 11634 11199
30°C 8313 8016 7731
5828 5630 5440
40°C
50°C 4161 4026 3897
60°C 3021 2928 2839
70°C 2229 2164 2101
80°C 1669 1622 1577
1266 1232 1199
90°C
100°C 973
Correspondence of Temperature Detected/Resistance
Examples of reading:
TR=75°C → R=1925Ω
TR=80°C → R=1669Ω.
Brava Slim HE ErP
35
3,70 / 0,63
2,71 / 0,46
20 / 37
2 / 3,7
85
20÷80
10÷60
3
300
4,95
3°C 4°C 5°C 6°C 7°C
24004 23014 22069 21168 20309 19489
15912 15289 14694 14126 13582 13062
10781 10382 9999 9633 9281 8945
7458 7196 6944 6702 6470 6247
5258 5082 4913 4751 4595 4444
3773 3653 3538 3426 3319 3216
2753 2669 2589 2512 2437 2365
2040 1982 1925 1870 1817 1766
1534 1491 1451 1411 1373 1336
1168 1137 1108 1079 1051 1024
40
4,23 / 0,74
3,10 / 0,74
20 / 37
2 / 3,7
5,60
8°C 9°C
18706
12565
8622
6033
4300
3116
2296
1717
1300
998
69