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Installation Procedures
4. Drainpipes
40VD048A-7S-QEE
gas pipe
(a) Keep a gradient (1/50-1/100) of the drainpipes and avoid lobing or curving.
Proper Piping
hanging bolt
1.5m ~ 2m
heat insulator
gradient of 1/100 or over
(b) When connecting the drainpipe to the equipment, don't apply too much force to 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
thread clip
(accessory)
sealing washer [for insulation](accessory)
(d) When the laid drain piping is used for multiple equipment, the public piping should be about
100mm lower than the wash ports of equipment, as shown in the figure. Thicker pipes should
be used for this application.
369
liquid pipe
drain pipe
wash port
drainage hose
sealing washer [for insulation]
(accessory)
drainage hose
binding
sealing washer [for insulation](accessory)
ensure the biggest height difference (about 100mm)
gradient of 1/100 or over
40VD072A-7S-QEE
40VD096A-7S-QEE
Improper Piping
air outlet port
joint (purchased at local shop)
hard PVC tube (purchased at local shop)
9
gas pipe
liquid pipe
322
drain pipe
avoid lobing
avoid curving
don't put pipe
into water
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