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MODEL C24EA - HEAT EXCHANGER
F35453 (July 2008)Page 43 of 68
MOTORIZED DELIME VALVE
NOTE: The motorized delime valve (normally closed)
can be opened or closed manually by pushing in on
the manual override knob on top of the valve to
disengage the gear set. Rotate knob CW to open the
valve (slot in knob vertical); or CCW to close the
valve (slot in knob is horizontal).
Removal
1. Turn off power to machine. Allow steamer to
complete drain cycle.
A. Turn off water supply to steamer.
2. Remove RIGHT SIDE BASE PANEL as outlined
under COVERS AND PANELS.
3. Locate motorized delime valve connected to heat
exchanger.
4. Remove motorized control assembly from delime
valve. Rotate motorized control assembly CCW
approximately 1/8 turn to disengage assembly
from valve.
5. Note location of electrical wiring then disconnect
from motorized control assembly.
NOTE: The two electrical plugs on the motorized
control assembly are identical. If the electrical wiring
is not connected correctly, the motorized delime
valve will not function.
NOTE: When installing, align the flat on delime valve
stem and the locking pins on delime valve to the
motorized control assembly.
6. Separate union then remove delime valve from
heat exchanger.
7. Remove pipe nipple and union from delime valve.
8. Reassemble parts removed in reverse order.
Apply pipe thread sealant to pipe threads before
installation.
9. Verify motorized delime valve is closed before
applying power to steamer.
NOTE: When power is applied and power switch is
off steamer will enter a delime cycle.
10. Check steamer for proper operation and
leaks around delime valve.