Carrier XCT7 Installations- Und Benutzerhandbuch Seite 16

Installation Procedures
(b) When connecting the drain pipe to the equipment, do not apply too much force on one side of the
equipment. Also, the piping should be positioned as close to the equipment as possible.
(c) For the drain pipe, 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 should not be used to connect the wash port and drainage hose.
main unit
sealing washer [for insulation](accessory)
(d) When the drain piping laid is used for multiple equipment, the public piping should be lower by
about 1OOmm than the wash ports of equipment's, 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 a heat insulating layer.
(f) Don't put the drain pipe directly into the sewer, where there might be gases with sulphur.
(g) Drainage trap
Install a trap as shown in the figure below to allow for proper drainage and services of the
trap.
figure.
Testing Drainage System
(a) After finishing the electrical system, test the drainage system.
(b) During testing, make sure that the water flow passes the piping correctly without any water leakage at the
connections.
wash port
wash port
sealing washer [for insulation]
(accessory)
drainage hose
thread clip
binding
(accessory)
ensure the largest height difference (about 100mm)
gradient of 1/1OO or over
drainage hose
joint (purchased at local shop)
hard PVC tube (purchased at local shop)
sealing washer [for insulation](accessory)
H1=1OOmm or blower static pressure
H2= 1H1(or between 5O~1OOmm)
9
indoor unit