MTD -ERV 350 - Manual (Page 46)

4
42 Instructions for the Installer
A0 / A10 / A11
Malfunction
Temperature sensor
T
ghe
/ T
CH
/ T
AH
Check temperature sensor
resistance; see table
Resistance
OK?
Yes No
Replace PCB
Caution:
Reset unit!
Replace
temperature sensor
Temp. Resistance
[°C] [K Ω]
MIN. MED. MAX.
10 19.570 19.904 20.242
15 15.485 15.712 15.941
18 13.502 13.681 13.861
19 12.906 13.071 13.237
20 12.339 12.491 12.644
21 11.801 11.941 12.082
22 11.291 11.420 11.550
CAUTION!
Avoid contact with the
PCB and frost protection
element due to risk of
electrocution
(°C)