SRC Service Manual
Revision 02
Aug 2007
12.3 Replacing the Control Board (SRC-250 to 1000)
• Open the electrical box.
• Remove the white connector containing the electrical supply & digital inputs & outputs.
• Disconnect the temperature sensor wires.
• Disconnect the level sensor (SRC-400 to 1000 ONLY) Pull firmly on the connector, being
careful not to damage it.
Electrical supply &
digital input & output
connections
Level sensor
connection
Tem
erature senso
connections
• Unscrew the six screws holding the board in place.
• Replace the old board with the new one.
• Reinstall the temperature sensors, wires in the same locations.
12.4 Replacing the Drain Valve
• Loosen the 3 piece union.
• Unscrew the electrical connector.
• Remove the fixing nut.
• Remove the old coil and install the new one.
• Replace the fixing nut.
• Reattach the electrical connector.
• Tighten the 3 piece union.
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