Airwell AWSI-DCV072-N11 Manuel D'installation page 12

Installation Procedures
4. Drainpipes
(a) Keep a gradient (1/50-1/100) of the drainpipes and avoid lobing or curving.
Proper Piping
hanging bolt
1.5m ~ 2m
heat insultor
gradient of 1/100 or over
(b) When connecting the drainpipe to the equipment, don't apply too much force on one side of
the equipment. Meanwhile, the piping should be positioned as close to the equipment as
possible.
(c) For the drainpipe, the general purpose hard PVC tube can be purchased at local shops. During
the connection, insert the end of PVC tube into the wash port and fasten it with drainage hose
and thread clip. Binding agents shouldn't be used to connect the wash port and drainage hose.
wash port
main unit
sealing washer [for insulation]
(d) When the laid drain piping is used for multiple equipments,the public piping should be lower
about 100mm than the wash ports of equipments, as shown in the figure. Thicker pipes should
be used for this application.
(e) The hard PVC tube in the room must be provided with the heat insulating layer.
wash port
sealing washer [for insulation]
(accessory)
drainage hose
thread clip
binding
(accessory)
(accessory)
ensure the biggest height difference
(about 100mm)
gradient of 1/100 or over
Improper Piping
air outlet port
drainage hose
joint (purchased at local shop)
hard PVC tube (purchased at local shop)
sealing washer [for insulation]
(accessory)
9
avoid lobing
avoid curving
don't put pipe
into water