Solid-State Relay Replacement; Thermocouple Replacement - VERDER CARBOLITE GERO CFM 14/1 Installation, Operation And Maintenance Instructions

7.0 Repairs and Replacements
7.4

Solid-State Relay Replacement

Disconnect the product from the power supply and remove the
appropriate cover as given above.
Make a note of the wire connections to the solid state relay and disconnect them.
Remove the solid state relay from the base panel or aluminium plate.
Replace and reconnect the solid state relay ensuring that the bottom of it has good
thermal contact with the base panel or aluminium plate.
Replace the access panel.
7.5

Thermocouple Replacement

Disconnect the product from the power supply. Remove terminal cover to gain
access to the thermocouple connections. Make a note of the thermocouple
connections.
Thermocouple cable colour codings are:
thermocouple leg
positive (type R)
negative
Disconnect the thermocouple from its terminal block; retain any porcelain spacers.
Withdraw the thermocouple from its sheath and remove any broken bits of
thermocouple.
Re-assemble with a new thermocouple observing the colour coding.
Refit the element access panel.
32
colour
orange
white