When does the DQ3 Purification pack need to be replaced and what are the instructions to replace it?
Instructions for Purification pack replacment on Millipore® Direct-Q® 3 Ultrapure Water System.
Attached are the instructions for replacement of the DQ3 Purification Pack (Product # 2512201). Here are the main reasons to replace the purification pack:
- When the Pack Alarm Icon is blinking.
- When the system resistivity display is blinking. The Product resistivity is below the Resistivity Setpoint set in menu option C02.The system may have been in STANDBY mode for a while. Start a manual recirculation to recirculate the water in the system. If the Pack Alarm icon is still displayed, then replace the pack
- After a system or tank sanitization.