Waste tubing (from stack of system modules)
Waste container vent tubing (to fume hood)
Waste container
2.2 Connecting power and signal cables
The 30-cm CH module receives power only from the sample manager. The 30-cm CHC receives
power from two sources: a grounded ac receptacle and the sample manager. Communications
and control signals for the 30-cm CH and 30-cm CHC modules are provided through the 25-pin,
D-series, sub-connector (D-sub) on the rear panel of the sample manager.
Warning: To avoid a fault condition that can result in personal injury or death from
electric shock, do not disconnect or otherwise interrupt the continuity of an electrical
socket's protective grounding conductor or the power cord's grounding conductor.
Warning: To avoid electric shock, observe these precautions:
• Use SVT-type power cords in the United States and HAR-type power cords, or
better, in Europe. For requirements elsewhere, contact your local Waters distributor.
• Inspect the power cords for damage, and replace them if necessary.
• Power-off and unplug each module before performing any maintenance operation
on it.
• Connect each module to a common ground.
Notice: To avoid damaging the electronic components of the sample manager and the
column heater or column heater/cooler, always power-off the sample manager and
column heater/cooler before connecting or disconnecting the interconnect cable.
To make the power and signal connections:
1. Power-off the sample manager.
2. Insert the interconnect cable's mated connector into the D-sub receptacle on the 30-cm CH
or 30-cm CHC module's rear panel.
December 5, 2017, 715004751 Rev. C
Page 32
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