Carrier 40BNC, Installation Instructions

Page: 4 / 4

4
INSTALLING RTX ROOM DISPLAY
The RTX display unit must be fixed to the wall. Do not locate the
RTX display unit underneath the indoor unit (see Fig. 10).
A06449
A06480
Fig. 10
−
RTX Room Display
1. Remove the RTX display unit from its packaging.
2. Place the unit on the wall, taking into account the length
of available cable.
3. Connect the display unit cable to the RTX display unit
(see Fig. 8).
4. Connect the air − conditioner to the power supply and make
an initial check to ensure that everything is working
properly.
5. Check that the RTX display unit light is ON.
6. Press the ON button to start the air
− conditioner working.
7. If the air − conditioner does not begin working, or is not
working properly, refer to the Troubleshooting section.
8. If the air − conditioner is working properly, turn it OFF and
disconnect it from the power supply.
9. Remove the cover from the RTX display unit (see Fig.
11).
10. Use the template to mark the position for drilling the hole
for the screw.
11. Press an anchor into the hole in the wall.
12. Use the screw to attach the RTX display unit onto the wall
(see Fig. 11).
DISPLAY CABLE
RTX RTX
Display Control Card
(New in the controller)
Remove the
display unit
cover
Screw to
fix unit
to wall
ON Button
Power ON
Light
Display
2.8 meters
(9.2 ft)
RTX Display Unit
Insert the
display cable
into the RTX
display unit
A06481
Fig. 11
−
Connecting Display Unit Cable to RTX
TESTING AND TROUBLESHOOTING
1. If the RTX room display unit is working properly during
the initial check, perform a complete check as instructed in
the attached operating manual. Check the changes between
operating modes, changes in fan speed settings,
temperature adjustments, etc.
2. If necessary, the display can be changed from degrees
Celsius to degrees Fahrenheit (details in the operating
manual).
3. If the complete check reveals any malfunctions, refer to
the troubleshooting table in the operating manual.
4. If the air − conditioner is working properly, turn it OFF and
disconnect it from the power supply.
5. Refer to the section in this manual marked Installation of
Display Adapter Card
and reverse steps 5 through 11.
6. Connect the air − conditioner to the power supply.
7. Turn the air − conditioner ON.
Table 2—Troubleshooting Table
Malfunction Possible Causes Recommended Solutions
RTX Display Unit is not lit (display OFF)
and the POWER indicator light is OFF
Faulty display unit cable (cable between the
control box and the RTX room display unit).
RTX room display unit malfunctioning.
Replace the display unit cable.
Replace the RTX room display unit.
RTX Display Unit is not lit (display OFF)
and the POWER indicator light is ON.
A beep can be heard every 20 seconds.
Faulty display unit cable (cable between the
control box and the RTX room display unit).
Dipswitches are not set properly.
Replace the display unit cable.
Check position of dipswitches according to
the sticker on the side of the control.
Dipswitch 4 should be in the OFF position.
Copyright 2006 CAC / BDP
S
7310 W. Morris St.
S
Indianapolis, IN 46231
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
Catalog No: IIK−53DS900−5
Replaces: New
Printed in U.S.A. Edition Date: 08/06
53DS
−
900
−−−
091