Page 1 of 4 MC227 / MC228x1 Controller. Energy regulator replacement. M8161 Issue 1.2.
MC227 and MC228x1 Controller.
Replacement Instructions for the Solid State Energy Regulator.
Attention.
Maintenance should only be carried out under the direction of the Responsible Body, by a
competent electrician. Failure to do so may result in damage to the product and in extreme
cases be a danger to the end user.
Take the controller and disconnect it from the mains electrical supply and the controlled heating
apparatus. Disassemble as described.
1. Pull on the control knob to release and remove it. Reserve the knob for reassembly.
2. Unscrew the case assembly from the rear as illustrated. Reserve the screws for reassembly.