Lennox VRF VEWCL1E Instruction Manual page 22

Wired Controller VEWCL1E
Fig. 6.8 shows a simple installation course of wired controller, and the following
points should be noted:
(1) Before installation, please cut off the power supply of indoor unit, it is not
allowed to operate with power supply;
(2) Pull out the 2-core twisted pair inside the installation hole in the wall, and
thread the wire through the " " shape hole in the back of soleplate of wired
controller;
(3) Stick the soleplate of wired controller on the wall, and use tapping screw
ST3.9X25 MA or screw M4×25 to fix the soleplate with the installation hole
of wall;
(4) Connect the 2-core twisted pair to wiring terminal H1 and H2, and then
tighten the screw;
(5) Arrange the wires in the back of panel, and then buckle the panel of wired
controller with the soleplate of wired controller.
Note:
When the wire diameter of the selected communication wire is relatively large
and lead to difficulty in threading and arranging the wires in the above point 2 and
point 5, you can remove proper length of the protective jacket of communication wire
according to actual situation.
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