Steris Basil 4700, Maintenance Manual

Page: 28 / 265

3-10
920509-645 Operator Manual Component Identification
3.9 Automatic
Detergent Injection
System
Automatic Detergent Injection System includes a peristaltic pump
mounted to washer exterior. System also includes a conductivity
probe located in chamber sump.
If using alkaline detergent with injection system, alkaline detergent is
automatically injected into chamber sump during Wash phase of a
cycle.
• Once sump is full, control checks detergent concentration of
solution in sump. Alkaline detergent is then injected into sump
until solution reaches set concentration level. Alkaline detergent
solution is monitored and maintained at set concentration level
while recirculating and spraying over load.
If using acid detergent with injection system, acid detergent is auto-
matically injected into chamber sump during Acid Wash phase of a
cycle.
• Once sump is full, control checks detergent concentration of
solution in sump. Acid detergent is then injected into sump until
solution reaches set concentration level. Acid detergent solution
is monitored and maintained at set concentration level while
recirculating and spraying over load.
3.10 Reusable-
Throwaway Detergent
System
Washers equipped with Reusable-Throwaway Detergent System can
be programmed to either save or drain detergent solution on com-
pletion of phase.
System includes a separate detergent tank and piping constructed
of stainless steel. Detergent tank is equipped with a steam coil to
maintain detergent solution at programmed temperature. Reusable-
Throwaway Detergent System can be installed for alkaline and/or
acid detergent