Bosch Worcester Greenstar Ri ErP + Series - Component Characteristics; Flow Temperature (NTC) Sensor Resistances; Flue Overheat Thermostat; Overheat Thermostat

OPERATIONAL FUNCTIONS
6 720 821 670 (2018/06)62
9.3 Component Characteristics
9.3.1 Flow temperature (NTC) Sensor resistances
9.3.2 Flue overheat thermostat
9.3.3 Overheat thermostat
9.3.4 Gas valve coil resistances
Fig. 95 Gas valve coil resistances
9.3.5 Code plug numbers
Temperature [ °C ± 10%] Resistance [ Ω]
0 35,975
5 28,516
10 22,763
15 18,279
20 14,772
25 11,981
30 9,786
35 8,047
40 6,653
45 5,523
50 4,608
55 3,856
60 3,243
65 2,744
70 2,332
75 1,990
80 1,704
85 1,464
90 1,262
95 1,093
100 950
Table 36 Flow temperature sensor
Normally closed thermostat Temperature [ °C] Resistance [ Ω]
Opening temperature ≥ 112 3,500
Close temperature ≤ 111 6,500
Table 37 Flue overheat thermostat
Normally closed thermostat Temperature [ °C] Resistance [ Ω]
Opening temperature ≥ 120 ≤ 50M
Close temperature ≤ 119 5,000
Table 38 Overheat thermostat
Position Resistance [ Ω ± 10%]
1 Top coil 380 (342 - 418)
2 Bottom coil 190 (171 - 209)
Table 39 Gas valve coil resistances
6720821670-04.1Wo
1
2
Gas type Appliance Code plug number
Natural Gas 9Ri ErP + 050
12Ri ErP + 051
15Ri ErP + 052
18Ri ErP + 053
21Ri ErP + 054
24Ri ErP + 055
Table 40 Natural Gas code plug numbers
Gas type Appliance Code plug number
LPG 9Ri ErP + 056
12Ri ErP + 057
15Ri ErP + 058
18Ri ErP + 059
21Ri ErP + 060
24Ri ErP + 061
Table 41 LPG code plug numbers