7-10: BUILT-IN FILTER SYSTEM SERVICE PROCEDURES (cont.)
Line
VAC
All Heater Tapes (Original and
Redesigned Models)
(Heater Tapes have been removed from return lines in Redesigned Models)
24
VAC
Solenoids
(Redesigned Models Only)
Pump Relay
Coil
Pump Motor
M
Pump Motor Switch
FootPrint III Wiring Diagram
Operation of the redesigned
ORIGINAL VS REDESIGNED FP-III FILTRATION SYSTEM
Original System | Redesigned System |
|
Return lines and manifolds wrapped with silicone | No heater strips or aluminum tape on return | |
strip heaters and aluminum tape. | lines. |
|
Filter base assembly connected to unit with a | ||
black, heated return hose beneath the filter. | connects the filter base assembly to the unit | |
| above the filter. |
|
Filter base assembly equipped with swivel | Filter base assembly has no casters. |
|
casters. |
|
|
Filter base assembly is not removable except by | ||
base assembly stoplocks in cabinet can be | a qualified service technician. | (Filter base |
rotated to remove tray.) | assembly stoplocks fitted with a screw and nut to | |
| prevent filter removal.) |
|
Oil/shortening remains in return lines when filter | Oil/shortening | |
system is turned off. | when filter system is turned off, leaving no oil or | |
| shortening in return lines. |
|
Return | Return drain manifolds are | |
nipples, elbows and other plumbing components. | line solenoid valve to facilitate gravity | |
| to filter pan. |
|