Setting / Test operation / Specifi cations
EN
Setting
Clock
RC. setting mode (Main/sub, Clock type)
Detailed setting mode (Ventilation fan output
setting, Room temperature sensor, Temperature
display setting)
Clock
1
Press and hold
2
Set day of the week, hour and minute.
→
(Repeat)
RC. setting mode
1
Press and hold the 2 buttons for several
seconds simultaneously.
A
,
2
Select the Code no.
3
Select the Set data.
→
The indicator illuminates after blinking.
Press
.
Code
Item
no.
01
Main/sub
02
Clock type
Detailed setting mode
1
Press and hold the 3 buttons for several
seconds simultaneously.
,
,
2
Select the Code no.
3
Select the Unit no.
4
Select the Set data.
→
The indicator illuminates after blinking.
Press
.
Code
Item
no.
Ventilation fan
31
output setting
Room temperature
32
sensor
Temperature
33
display setting
18
for several seconds.
"▼": Su
Mo
...
Set data
0000
0001
Sub
Main
24 hours
12 hours (AM/PM)
Set data
0000
0001
Not connected
Connected
Main unit
RC
°C
°F
Test operation
Turn on the circuit breaker beforehand, referring to
the operating instructions for the unit. The remote
controller starts.
1
Press and hold
[TEST] display appears. (The unit enters the test
operation mode.)
2
Press
[TEST] is displayed during the test operation.
Sa
3
Press
. Finish the test operation
[TEST] display disappears.
4
Delete the error history.
Press and hold the 2 buttons for several
seconds simultaneously.
,
Information of errors is displayed.
To delete the error history, press
Press
to fi nish service mode.
Attention
• Do not use this mode for purposes other than the
test operation.
(To prevent overload of the units)
• Read the installation instructions supplied with the
units.
• Any of the Heat, Cool and Fan operations can only
be performed.
• Temperature cannot be changed.
• The test operation mode is automatically turned off
in 60 minutes. (To prevent continuous test operation)
• Outdoor units do not operate for approx. 3 minutes
after the power is turned on or operation is stopped.
Specifi cations
Model No.
Dimensions
Weight
Temperature/
Humidity range
Power Source
Precision
Clock
Holding
time
Number of connected
indoor units
for several seconds.
. Perform the test operation.
.
CZ-RTC4
(H) 120 mm × (W) 120 mm
× (D) 20 + 4.75 mm
160 g
0 °C to 40 °C / 20 % to 80 %
(no condensation) *Indoor use only.
DC16 V (supplied with indoor unit)
± 30 seconds/month
(at normal temperature 25 °C)
*Adjust periodically.
24 hours
(when fully charged)
*Approx. 8 hours are required
for full charge.
Up to 8 units