Vertiv | Liebert CRV+ | User Manual 27
Connecting the condenser water drainage pipe of the indoor unit
The Condensed water of the electrode humidifier and the evaporator converge to a common water tray
following which it is drained through the drainage pipe of the drain pump.
The unit is configured to adopt the top drain mode by default; therefore, connect the drainage
pipe of the pump upwards to the top drainage copper pipe.
Fix the drainage pipe to the drainage pipe connector with the hose clamps available in the
shipped accessories. The torque of the hose clamp is 15 kg cm.
Connect the drainage pipe to the drainage hole on the top of the cabinet.
To drain water from the bottom, direct the soft drainage pipe through the drainage hole of the
pump.
Fix the pipe to the copper pipe connector with the hose clamp. Moving forward, connect it to the
outer drainage pipe.
The outer diameter of the copper pipe is 12.7 mm and internal diameter of the soft pipe is 9 mm.
However, if the unit is not configured with a pump, the drainage pipe of the water tray should go through
the drainage hole of the tray and connect to the outer drainage pipe. The Trap is essential to drain the
condensate water.
The following points are to be taken into consideration about the trap:
Adopt a galvanized steel, PVC, or polyethylene pipe with a fair amount of flexibility
Allow a tilt of 2% towards the direction of the drainage flow.
The trap is mandatory and should be located 30 cm below the water tray. The tray must be kept under
the
movable floor.
Figure 2-18 Process of draining the Condensate water
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