Milli-Q Direct 16, User Manual, Page: 74 / 116

74 Milli-Q® Direct 8/16 System
Maintenance Schedule
Consumables
Item Maintenance needed When
Progard® Cartridge Replacement Prompted to by an LCD
message.
Q-Pak® Pack Replacement
POD Pak Replacement Prompted to by an LCD
message or as necessary.
UV Lamps
Item Maintenance needed When
UV 254 nm Lamp
Replacement
Prompted to by an LCD
message. UV 185 nm Lamp
NOTE:
It is recommended to have a Millipore SAS Service Representative change the UV Lamps
in the system.
The replacement of this lamp involves removing the cover of the system. The
instructions for replacing these lamps are not included in this User Manual. The
instructions are included with the replacement lamp.
Cleaning/
Sanitisation
Item Maintenance needed When
Inlet Strainer Cleaning Prompted to by an LCD message
or as necessary.
RO
Cartridge(s)
Cl
2
cleaning When prompted to by an LCD
message.
pH Cleaning As necessary.
System Sanitisation Contact Millipore SAS for more
details.
Calibrating the
flow rate
Item Maintenance needed When
Flow rate Recalibration New Consumable, Sensor or
change to Feed water.
See ‘Calibrating the flow rate’ for
more information.
TOC Curve
Check
Item Maintenance needed When
TOC Indicator Update TOC Curve Check New Q-Pak® Pack installed, or
when prompted to by an LCD
message.