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vwr.com I Instruction manual VWR® G Water System
5.4.1 Replacing the VWR AC Pack, VWR P Pack, VWR U Pack and VWR T Pack
(Optional)
a) Switch the system to Standby mode, then remove the system left and right side panels.
b) Turn the lever on the cartridge adapter to right to the unlock position, pull the cartridge
downwards to disengage the cartridge from its adapter. Install the new one as described in
2.4.4.
c) After installation, do not install the system side panel. Power up and degas the system, and
check any leakage. If leaks, reseat the cartridge, then test again.
d) If there is no leakage, install back the left and right side panels.
e) Remove the final filter before replacing VWR U Pack. Release pressure by dispensing some
water. Install the final filter after installing the cartridge.
f)
Scan the RFID chip of the T Pack (Optional) on the AC-Pack location. Need to put system to
Standby mode and remove the AC Pack first to scan if already installed. Tap
Install
on the
pop-up dialog to reset the cartridge life.
5.4.2 Replacing the 185 nm and 254 nm UV Lamp
Warning!
Ultraviolet (UV) radiation is harmful to the eyes and skin. Do not observe the lamp
directly when it is illuminated. This system is equipped with a lamp cover to prevent
UV light leakage. This cover must be on ALL TIMEs when a UV lamp is installed.
Caution!
Keep the UV lamp straight in and out of the stainless steel chamber during its
installation to avoid any action that could cause the lamp to break.
There are two UV lamps inside the system, the UP UV lamp (185 nm) and the EDI UV lamp (254
nm). Replace them successively with the following instruction.