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This appliance may only be serviced by a suitably qualified technician.
Disconnect from power and turn water supply OFF before attempting any kind
of service work.
Removing the case
1. Remove temperature control knob by gripping it and pulling towards you.
2. Remove the single retaining screw located beneath the temperature control knob.
3. Remove the four case screws two at top, two at bottom.
4. The case can now be lifted off carefully.
Replacing the case
Reverse of the above procedure.
Replacing a thermostat
1. Remove the front cover.
2. Disconnect the two electrical terminals from the thermostat. These are
spade connectors and can be easily pulled off.
3. Remove the two screws attaching the thermostat to the plastic upright.
4. Pull the capillary out of the thermostat pocket located on the element
assembly.
5. Take the new thermostat (Z90421) and uncoil about half of the capillary tube.
6. Push the new capillary into the pocket ensuring that:
a) if it is an over sink model, the cutout bulb goes in first then the
thermostat bulb behind it.
b) if it is a under sink model, then the reverse is applicable.
Attach the thermostat to the plastic upright.
Reconnect the two electrical terminals. It does not matter which way around
the connections occur.
Ensure the remaining capillary coil is out of the way of any live terminals.
Ensure the plastic upright is located securely in the position provided.
Refit the cover assembly.
Adjustment of a tap temperature limiter on Solo and Hero vented taps
should be made only by a Zenith Service Provider or a qualified
technician.
1. Remove tap handle assembly to expose the mixer cartridge.
2. Lift and rotate the serrated top ring "X" from the mixer cartridge "Y".
Rotating the ring left or right will regulate the water temperature.
Rotating the ring clockwise will increase the water temperature.
Rotating the ring anticlockwise will decrease water temperature.
The tap normally operates with the ring in the central position.
3. Reassemble the tap handle assembly to its original condition.
4. Test the temperature of the water outlet to check acceptability.
# Tap Temperature Adjustment
# Service Procedures
Mixer Cartridge “Y”
Top Ring “X”
Zenithenithudor - Installation & Operating Instructions - 81333 - May 2003 Page 7
Knob removed to show screw
Thermostat spade connectors
Zenith Tudor - Installation & Operating Instructions - 81333 - July - 2004 Page 7