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8.11 Installation of Protective Layer of
1. To avoid generation of condensate on the
pipe of the refrigerant pipe must be covered by thermal insulation materials, be bundled by adhesive tape,
and be isolated from air.
2. The joint connecting to the indoor unit must be wrapped by thermal insulation material. There shall be no
gap between the refrigerant pipe joint and the wall of the indoor unit. Refer to Fig. 8.14.
No Gap
CAUTION
After the pipes are wrapped by protective materials, never bend the pipes to form very small angle, and
otherwise the pipes may crack or break.
3. Use adhesive tape to wrap the pipes:
(1) Use adhesive tape to bundle the refrigerant pipe and the cables together. To prevent condensate from
overflowing out from the drainage pipe, separate the drainage pipe from the
(2) Use thermal insulation tape to wrap the pipes from the bottom of the outdoor unit until the upper end of
the pipe where the pipe enters the wall. When wrapping thermal insulation tape, the later circle of tape
must cover half of the front circle of tape (Refer to Fig. 8.15).
(3) Wrapped pipe must be fixed to wall using pipe clamps.
CAUTION
(1) Do not wrap the protective tape too tight, otherwise the efficiency of thermal insulation may be
decreased. Ensure that the condensate drainage flexible tube is separated from the bundled pipes.
(2) After the protective work is completed and the pipes are wrapped, use seal material to block the hole in
the wall, so as to prevent rain and wind from entering the room.
8.12 Position and Method of Installing Wired Controller
1. One end of the controlling wire of the wired controller is connected with electricbox mainboard of indoor
unit inside, it should be tightened by wire clamp, the other end should be connected with the wired control-
ler (installation sketch map as shown in below). The special control wire used for the indoor unit and wired
controller is 8 meters.
2. The material adopted for the control wire should be metallic. The wired controller could not be disassembled
and the control wire used for the wired controller should not be changed by users' option, the installation and
should be carried out by the professional personnel.
3. First select an installation position. Leave a recess or an embedded wire hole to bury the control wire
according to the size of the control wire of the wired controller.
4. If the control wire between the wired controller and the indoor unit is surface-mounted, use 1# metallic pipe
and make matching recess in the wall (refer to Fig. 8.16). If concealed installation is adopted, mount as
Fig.8.17.
5. No matter surface mounting or concealed mounting is selected, it is required to drill 2 holes (in the same
level) distance of which shall be the same as the distance (60mm) of installation holes in the bottom plate of
the wire controller. Then insert a wood plug into
d
wall according the two holes. Plug the control wire onto the wired controller. Then, install the panel of the
wired controller (Refer to Fig.8.18).
English
the Refrigerant
refrigerant
Fig.8.14
the
Pipe
pipe and leakage, the big pipe and the small
Fig.8.15
refrigerant
hole . Fix the bottom plate of the wired controller to the
s
pipe and the cables.
33
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