How To Install The System Controller (Optional Part); System Controller Installation - Sanyo CH2442 Installation Instructions Manual

9. HOW TO INSTALL THE SYSTEM CONTROLLER
(OPTIONAL PART)
Do not supply power to the
unit or try to operate it until
the tubing and wiring to the
outdoor unit is completed.

9-1. System Controller Installation

CAUTION
If local codes allow, this system controller can be
mounted using a conventional wall box for flush
mounting.
(1) Remove the flat-top screw on the bottom of the
back case. When you open up the decorative
cover, you will see two gaps under the system
controller. Insert a coin into these gaps and
remove the back case. (Figs. 9-1, 9-2)
(2) Connect the wires to terminal base of the system
controller (see next page).
(3) Attach the back case with the 2 M4 screws
provided.
(4) To finish, fit the back tabs of the back case into
the system controller and mount it using the flat-
top screw.
Do not twist the control
wiring with the power
wiring or run it in the
same metal conduit,
because this may cause
malfunction.
Install the system con-
troller away from sources
of electrical noise.
Install a noise filter or
take other appropriate
action if electrical noise
affects the power supply
circuit of the unit.
M4 1-3/16 in.
Screws (2)
System
controller
Gap
Coin
67 S4359146
Switch box
(no cover)
Back case
Flat-top
Screw
2041_C_I
Fig. 9-1
Gap
2042_M_I
Fig. 9-2
9 9 9 9 9
SC