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24
of
35
Procedure 12
12. REPLACE THE THERMAL SWITCH
Thermal switch 80
o
C; Code:
G0030162;
Model:
BW9700 (80
o
C)
Tools:
Screw driver PH2 & PH3; Pliers
Risk of electric shock!
Disconnect the HPWH from the main electric supply
1) Switch off the HPWH
2) Open the PCB box as per procedure 1.
3) Tear up the cable bundle containing the cable of Thermal switch
4) On terminal CN3 (Fig: pr.12.5), disconnect the cable of thermal switch
5) Unscrew the lower plastic decorative cap
Fig: pr.12.1
6) Pull the cable of thermal switch out of the thermopocket of electric
heating element.
Fig: pr.12.3
7) Replace with a new one on reverse order.
8) When mounting a new thermo switch into the thermopocket
Fig:
pr.12.3,
assure that the thermoswitch is pushed to the end.
9) When mounting back the plastic decorative cover, be sure that the
triangular sign is in direction to the floor.
Fig: pr.12.4.
10) Assemble everything at the reverse order, do not forget to tighten
again the cables into the bundle. Assure that no cables are in contact
with moving parts or sharp edges.
Fig: pr.12.5:
Fig: pr.12.1 Fig: pr.12.4
Fig: pr.12.2 Fig: pr.12.3
Fig: pr.12.4
Thermal cut-off
90
o
C
Thermal switch 80
o
C
Heating element
Metric screw
M6
Thermal switch
connection point
Triangular
sign
