Sime EDEA - Main Water Circuit; Sensors

20
DESCRIPTION
Edea
30 40
NOZZLES  GAS
Number of nozzles No. 2 2
Nozzle diameter (G20) mm 3,5 / 4,0 4 / 4,5
Nozzle diameter (G31) mm 2,8 / 3,0 2,8 / 3,4
TEMPERATURE  PRESSURE
Max operating temperature (T max) °C 85
Heating adjustment range °C 20÷80
Domestic hot water adjustment range °C 10÷60
Max operating pressure (PMS)
bar 3
kPa 300
Water content in boiler l 5,1 5,8
(*) NOx class according to UNI EN 15502-1:2015
(**) Heat input calculated using the lower heat output (Hi)
Lower Heat Output (Hi)
G20 Hi. 9.45 kW/m
3
(15°C, 1013 mbar) - G31 Hi. 12.87 kW/kg (15°C, 1013 mbar)
5.5 Main water circuit
4
6
7
15
14
16
17
19
20
11
10
9
12
18
21
13
8
M U G E R
Sc SVS
5
3
2
1
22 23 24 25
Fig. 13
KEY:
M System delivery
R System return
U Domestic hot water outlet
E Domesti hot water inlet
SVS Safety valve outlet
G Gas supply
Sc Condensate outlet
1 Smoke flue gas probe (SF)
2 Heat exchanger
3 Combustion chamber
4 Fan (V)
5 Boiler return probe (SRC)
6 Safety thermostat (TS)
7 Boiler delivery sensor (SMC)
8 Domestic hot water heat exchanger
9 Water pressure transducer (TPAC)
10 Automatic bleed valve
11 System pump (PI)
12 Expansion vessel (VE)
13 Diverter solenoid valve (EVD)
14 Automatic by-pass
15 Domestic hot water sensor (SS)
16 Gas valve
17 Domestic hot water flow meter
18 Domestic hot water filter (FLM)
19 Boiler drain
20 Relief valve (FS)
21 Condensate siphon outlet
22 System delivery valve
23 Gas valve
24 Domestic hot water inlet valve
25 System return valve
5.6 Sensors
The sensors installed have the following characteristics:
– NTC R25°C (delivery) sensor; 10kΩ β25°-85°C: 3435
– domestic hot water sensor NTC R25°C; 10kΩ β25°-85°C:
3435
– External temperature sensor NTC R25°C; 10kΩ β25°-85°C:
3435
TR
0°C 1°C 2°C 3°C 4°C 5°C 6°C 7°C 8°C 9°C
Resistance R (Ω)
0°C 27279
17959
12090
8313
5828
4161
3021
2229
1669
1266
973
26135
17245
11634
8016
5630
4026
2928
2164
1622
1232
25044
16563
11199
7731
5440
3897
2839
2101
1577
1199
24004
15912
10781
7458
5258
3773
2753
2040
1534
1168
23014
15289
10382
7196
5082
3653
2669
1982
1491
1137
22069
14694
9999
6944
4913
3538
2589
1925
1451
1108
21168
14126
9633
6702
4751
3426
2512
1870
1411
1079
20309
13582
9281
6470
4595
3319
2437
1817
1373
1051
19489
13062
8945
6247
4444
3216
2365
1766
1336
1024
18706
12565
8622
6033
4300
3116
2296
1717
1300
998
10°C
20°C
30°C
40°C
50°C
60°C
70°C
80°C
90°C
100°C
Correspondence of Temperature Detected/Resistance
Examples of reading:
TR=75°C → R=1925Ω
TR=80°C → R=1669Ω.