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Faults
17.4
Check sensor values
17.4.1 Outdoor temperature sensor (available as accessory)
Temperature °F ( °C )Testing
tolerance ± 10%
– 4 ( – 20)
3 ( – 16)
10 ( – 12)
17 ( – 8)
24 ( – 4)
32 (0)
39 (4)
46 (8)
50 (10)
59 (15)
68 (20)
77 (25)
Table 42 Resistance table outdoor temperature sensor
17.4.2 Additional supply temperature limiter
Temperature ( °F) °C
Measuring tolerance ± 10%
32 (0)
50 (10)
68 (20)
86 (30)
104 (40)
122 (50)
140 (60)
158 (70)
176 (80)
194 (90)
212 (100)
Table 43 Resistance table supply temperature limiter
78
Resistance [ ]
2,392
2,088
1,811
1,562
1,342
1,149
984
842
781
642
528
436
Resistance [ ]
33,555
21,232
13,779
9,128
6,205
4,298
3,025
2,176
1,589
1,177
886
17.4.3 Supply temperature sensor, DHW temperature sensor,
external supply temperature sensor
Temperature °F ( °C)Testing
tolerance ± 10%
68 (20)
77 (25)
86 (30)
95 (35)
104 (40)
113 (45)
122 (50)
131 (55)
140 (60)
149 (65)
158 (70)
167 (75)
176 (80)
185 (85)
194 (90)
203 (95)
212 (100)
Table 44 Resistance table NTCs
17.4.4 Replacement code plug
Appliance
KBR16-3A NG
KBR16-3A LPG
KBR21-3A NG
KBR21-3A LPG
KBR28-3A NG
KBR28-3A LPG
KBR35-3A NG
KBR35-3A LPG
KBR42-3A NG
KBR42-3A LPG
KWB28-3A NG
KWB28-3A LPG
KWB35-3A NG
KWB35-3A LPG
KWB42-3A NG
KWB42-3A LPG
Table 45 Code plugs for all appliances
Greenstar FS/Combi FS – 6 720 810 590 (2020/04)
Resistance [ ]
14,772
11,981
9,786
8,047
6,653
5,523
4,608
3,856
3,243
2,744
2,332
1,990
1,704
1,464
1,262
1,093
950
Order number
8 714 432 501 0
8 714 432 506 0
8 714 432 528 0
8 714 432 529 0
8 714 432 502 0
8 714 432 507 0
8 714 432 503 0
8 714 432 508 0
8 714 432 504 0
8 714 432 509 0
8 714 432 520 0
8 714 432 521 0
8 714 432 524 0
8 714 432 525 0
8 714 432 500 0
8 714 432 505 0
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