Lennox VEMD007N432U Installation Manual page 17

Multi Variable Air Conditioners Duct Type Indoor Unit
use adhesives to connect drain hole and drain hose.
(5) When the drain pipe is used for several equipment, the shared pipe should be about 100mm
lower than the drain hole of each equipment. In this case, use thicker pipe.
(6) It is not allowed to connect the condensate drain pipe into waste pipe or other pipelines
which are likely to produce corrosive or peculiar smell to prevent the smell from entering
indoors or corrupt the unit.
(7) It is not allowed to connect the condensate drain pipe into rain pipe to prevent rain water
from pouring in and cause property loss or personal injury.
(8) Condensate drain pipe should be connected into special drain system for air conditioner.
5.3.2 Installation of Drain Pipe
(1) Insert the drain hose into the drain hole and tighten it with tapes, as shown in Fig5.3.2.
(2) Tighten the pipe clamp, with the distance between screw nut and hose smaller than 4mm.
①metal clamp(accessory) ②drain hose(accessory) ③thermal sponge(accessory)
(3) Use sealing plate to make the pipe clamp and hose insulated, as shown in Fig.5.3.3.
①metal clamp(accessory) ②thermal sponge(accessory)
(4) When connecting several drain pipes, follow the instruction as indicated in Fig 5.3.4. Choose
the drain collecting pipe that matches with unit capacity.
(5) For indoor units that have high pressure at the outlet of drain pipe, use water-sealed joint.
(6) For indoor units that have high pressure at the outlet of drain pipe, use water-sealed joint.
(7) Install the water-sealed joint according to Fig.5.3.5.
Fig 5.3.1
Fig5.3.2
Fig 5.3.4
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Fig 5.3.3