Worcester ZWB 7-25 HE combi Specifications download pdf (Page 52)

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Appendix

4 Appendix

4.1 NTC values

4.1.1 Outside temperature sensor

4.1.2 CH flow NTC sensor, heat store NTC sen-

sor, constant hot water NTC sensor and

hot water NTC sensor

Outside temperature

(˚C)

Measurement

tolerance ±±

±±

10% Resistance (ΩΩ

ΩΩ

)

-20 2 392

-16 2 088

-12 1 811

-8 1 562

-4 1 342

0 1 149

4 984

8 842

10 781

15 642

20 528

25 436

Table 11

Temperature (˚C)

Measurement

tolerance ±±

±±

10% Resistance (ΩΩ

ΩΩ

)

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 12

1 2 ... 47 48 49 50 51 52 53 54 55 56

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