2WAY VRF SYSTEM
Test Run
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5. Auto Address Setting
Auto Address Setting* from the Remote Controller (CZ-RTC4)
* Auto address setting in Cooling mode cannot be done from the remote controller.
Selecting each refrigerant system individually for auto address setting
Auto address setting for each system: Item code “A1”
Press and hol
1.
2.
3.
4.
5.
d
the remote controller timer time
button
and
button simultaneously for 4 seconds or longer.
Next, press either the temperature setting
button.
Check that the item code is “A1”.
Use either the
button to set the system No. to perform
auto address setting.
Then press the
button.
Auto address setting for one refrigerant system begins.
When auto address setting for one system is completed,
the system returns to normal stopped status.
<Approximately 4 – 5 minutes are required.>
During auto address setting, “
” is displayed
on the remote controller. This message disappears when
auto address setting is completed.
Repeat the same steps to perform auto address setting
for each successive system.
Auto Address Setting from the High-spec Wired Remote Controller (CZ-RTC5A)
Keep pressing the
1.
2.
3.
,
and
buttons
simultaneously for 4 or more seconds.
The “Maintenance func” screen appears on the LCD
display.
Press the
or
button to see each menu.
If you wish to see the next screen instantly, press the
or
button.
Select “9. Auto address” on the LCD display and
press the
button.
Maintenance func
10. Set elec. consumption
12. Check touch key
Sel.
Page [
] Confirm
20:30 (THU)
11. Set touch key
9. Auto address
The “Auto address” screen appears on the LCD
display.
Change the “Code no.” to “A1” by pressing the
or
button.
Auto address
Code no.
O/D unit no.
Sel.
Next
20:30 (THU)
1
A1
Select the
4.
“O/D unit no.” by pressing the
or
button.
Select one of the “O/D unit no.” for auto address
by pressing the
or
button.
Approximately about 10 minutes are required.
When auto address setting is completed, the
units return to normal stopped status.
START
[
]
20:30 (THU)
Display During Auto Address Setting
On the surface of outdoor unit control P.C. board
1 2
LED
Blinks alternately
* Do not short circuit the A.ADD pin (CN30) again during auto address setting.
LEDs 1 and 2 go out and address setting is interrupted.
* When auto address setting is normally completed, both LEDs 1 and 2 go out.
In other cases, correct settings referring to the following table and perform auto address setting again.
Contents of LEDs 1 and 2 on outdoor unit control P.C. board
: Illuminating
: Blinking
: Go out
LED 1
LED 2
Contents of display
After turned ON power (not during auto address setting), it is entirely impossible to communicate with
the indoor unit in the system.
After turned ON power (not during auto address setting), although the indoor units more than 1 unit in
the system are recognized, there are inconsistencies between the number of indoor units and setting
number of indoor units.
Under auto address setting
Alternately
Auto address setting completed
There are inconsistencies between the number of indoor units and setting number of indoor units.
(at the time of auto address setting)
Simultaneously
See the section “8. Self-Diagnosis Function Table and Contents of Alarm Display”.
Alternating
Display of remote controller
CZ-RTC5A
CZ-RTC4
Blinking “
” indicator
Request concerning recording the indoor/outdoor unit combination Nos.
After auto address setting has been completed, be sure to record them for future reference.
List the outdoor main unit system address and the addresses of the indoor units in that system in an easily visible location (next
to the nameplate), using a permanent marking pen or similar means that cannot be abraded easily.
Example: (Outdoor) 1 - (Indoor) 1-1, 1-2, 1-3…
(Outdoor) 2 - (Indoor) 2-1, 2-2, 2-3…
These numbers are necessary for later maintenance. Please be sure to indicate them.
Cancel
Auto address
1
Assigning
SM830237-07_北米向け2WAY_VRF.indb 15
18/06/18 18:50:46