
31
221954D
Diagram 12.7
WATER PRESSURE
SWITCH
ELECTRICAL
CONNECTIONS
PURPLE
GREY
4304
12 Replacement of Parts
12.14 Fan - diagram 5.3
Remove the electrical connections and disconnect the air
pressure tubes.
Remove the fan assembly securing screws.
Make sure that the earth connection is remade onto the new fan
assembly.
The polarity of the other connections is not important.
12.15 Water Pressure Switch - Sealed Water
System Only
Release the water pressure and drain, refer to Section 3.
Disconnect the electrical connections at the microswitch, see
diagram 12.7.
Remove pressure switch.
On assembly, use new “O” ring, secure the water pressure
switch with locknut in the orientation shown as diagram 12.7.
Make up water loss and pressurise system, refer to
“Commissioning”.