Installation Of Wired Controller And Project Debugging - GREE ELECTRIC GUHD09NK3CO Service Manual

4.3 Installation of Wired Controller and Project Debugging

4.3.1 Installation of Wired Controller
Fig.4.3.1: Fig.1 Surface mounting of Cable
No.
Socket's base box
Description
installed in thewall
Fig.4.3.3: Sketch for Installation of Wired Controller. Pay attention to the following items during installation of wired
controller:
1. Cut off power supply of heavy-current wire embedded in mounting hole in the wall before installation. It is
prohibited to perform the whole procedure with electricity.
2. Pull out 4-core twisted pair line in mounting hole and then make it through the rectangle hole at the back of
controller's soleplate.
4. Insert the 4-core twisted pair line through rectangle hole into controller's slot and buckle the front panel and
soleplate of controller together.
Caution:
During connection of wirings, pay special attention to the following items to avoid interference of electromagnetism
to unit and even failure of it.
1. To ensure normal communication of the unit, signal line and wiring (communication) of wired controller should be
separate from power cord and indoor/outdoor connection lines. The distance between them should be kept 20cm in min.
2. If the unit is installed at the place where there is interference of electromagnetism, signal line and wiring
(communication) of wired controller must be shielded by twisted pair lines.
4.3.2 Project Debugging
Enquiry of wired controller's address: Press Function and Mode buttons at the same time for 5s under off state of the
unit, and then LCD displays wired controller's address number.
Setting of wired controller's address: Press Function and Mode buttons at the same time for 5s.In this case, LCD
Fig.4.3.3: Sketch for Installation of Wired Controller
1 2
Soleplate of
controller
Fig.4.3.2: Fig.2 Concealed mounting of Cable
3 4
Front panel of
Screw M4×12
controller
U-Match Series DC
Inverter Service Manual
5
Screw ST2.2×6.5
12.
×
48