Sanyo CHDZ09053 - Manual (Page 120)

3-66
Control of W-3WAY ECO-i SYSTEM
1
2
3
4
5
6
7
8
5. Simplifi ed Remote Controller
Guidelines for Using 2 Simplifi ed Remote Controllers
Fig. 3-44
RCU
. ADR
ON
OFF
Remote controller address switch
Fig. 3-45
1 2 2 1
1 2
Remote controller wiring
(field supply)
2-pin terminal block for
remote controller wiring
Option Option
Indoor
unit
Ground
Simplified remote
controller (main)
Simplified remote
controller (sub)
Fig. 3-46
1
1 1
2
2 2 2 1 1 2
2 1
Simplified remote
controller (main)
Simplified remote
controller (sub)
Inter indoor unit wiring for group control
(supplied locally)
Indoor unit
No. 1 Indoor unit
No. 2 Indoor unit
No. 3 Indoor unit
No. 8
Option Option
Ground Ground Ground Ground
2-pin terminal
block for
remote
controller
wiring
This multiple remote controller system controls 1 to 8 indoor
units with 2 simplifi ed remote controllers.
Set-up procedure
1. One of the 2 simplifi ed remote controllers should be set as
main controller.
2. Set the address switch on the other simplifi ed remote
controller P.C.B. from OFF to ON. (Fig. 3-44)
The simplifi ed remote controller can now be used as a
sub-remote controller.
Basic wiring diagram
NOTE
Make sure to connect the wires correctly or the unit may
be damaged. (Fig. 3-45)
At right is a diagram for controlling 1 indoor unity by 2
simplifi ed remote controllers.
Performing group control of the multiple indoor units with 2
simplifi ed remote controllers. The main and the sub simpli-
fi ed remote controllers can be installed at any indoor unit
for operations.
* The main and the sub simplifi ed remote controllers can be
installed at any indoor unit for operations.
Remote Controller Test Run Setting
1. Push the tip of a ball-point pen, etc. into the hole marked
“TEST” for more than 4 seconds and press the (ON/
OFF) button.
“TEST” will appear on the crystal display during test
run.
During test run, temperature cannot be adjusted. This
button should be used only for test run.
2. Perform test run in any operation mode of “Heat,” “Cool”
or “Fan.”
NOTE
The outdoor unit does not operate for 3 minutes after stopping
operation or turning on the unit.
3. After fi nishing the test run, push the tip of a ball-point pen,
etc. into the hole marked “TEST” again until “TEST”
disappears from the crystal display.
(The 60-minute off timer function is provided for this re-
mote controller in order to avoid continuous test run.)