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Mini VRF SYSTEM
Service Checker
6
1. Outdoor Unit Maintenance Remote Controller
6-9
1-4. Monitoring Operations
Displays the indoor unit and outdoor unit sensor
temperatures.
<Operating procedure>
temperatures.
<Operating procedure>
À
Press and hold the
(CHECK) and
(CANCEL) buttons simultaneously for 4 seconds or
longer to engage temperature monitor mode.
During temperature monitoring,
longer to engage temperature monitor mode.
During temperature monitoring,
(CHECK) illuminates.
(The display and operations are the same as for monitor
mode using the indoor unit remote controller.)
mode using the indoor unit remote controller.)
Á
Press the
(UNIT) button and select the indoor
unit to monitor.
Â
Press the temperature setting
buttons
and select the item code of the temperature to monitor.
The unit No. of the selected indoor unit, and the
temperature data, are displayed.
The unit No. of the selected indoor unit, and the
temperature data, are displayed.
Ã
To end monitoring, press the
(CHECK) button. The display returns to normal display mode.
NOTE
The display does not blink.
3
2
4
1
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Mini VRF SYSTEM
Service Checker
6
1. Outdoor Unit Maintenance Remote Controller
6-10
Display of unit No. 1 (main unit)
s
k
r
a
m
e
R
n
o
i
t
p
i
r
c
s
e
D
N
D
°C
Indoor unit intake temp.
°C
Indoor unit heat exchanger temp. (E1)
°C
Not used
°C
Indoor unit heat exchanger temp. (E3)
Indoor unit
°C
°C
Discharge air temp.
Discharge air temp. setting
Indoor unit MOV position
STEP
°C
°C
°C
°C
Discharge temp. (TD)
High-pressure sensor temp.
Suction temp. (TS)
Heat exchanger liquid temp. (C1)
°C
Outdoor air temp. (TO)
Outdoor unit
Not used
Inverter primary current
A
MOV position
Actual operating frequency
Hz
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Mini VRF SYSTEM
Service Checker
6
1. Outdoor Unit Maintenance Remote Controller
6-11
1-5. Outdoor Unit Alarm History Monitor
•
Displays outdoor unit alarms only.
•
Check the indoor unit alarm histories separately using the
indoor unit remote controllers or other control device.
<Operating procedure>
À
Press and hold the
(CHECK) button and
button simultaneously for 4 seconds or longer to engage
outdoor unit alarm history mode.
outdoor unit alarm history mode.
During temperature monitoring,
illuminates.
The display and operations are the same as for the
alarm history monitor performed from the indoor unit
remote controller. However the “unit No.” display shows
address of the outdoor unit.
alarm history monitor performed from the indoor unit
remote controller. However the “unit No.” display shows
address of the outdoor unit.
Á
Press the temperature setting
/
buttons
and select the item code for the alarm history.
The select outdoor unit address, the item code, and the
alarm history (alarm data) are displayed.
alarm history (alarm data) are displayed.
The outdoor unit address is displayed as R.C. XX-YY.
System XX = Outdoor unit system address
R.C. XX = Outdoor unit system address
System XX = Outdoor unit system address
R.C. XX = Outdoor unit system address
YY = Outdoor unit sub-bus address
Item codes 01-08 are displayed. 01 indicates the most
recent alarm.
recent alarm.
The alarm history displays the alarm code.
(If no alarm are present, then -- -- is displayed.)
(If no alarm are present, then -- -- is displayed.)
Â
To clear the alarm history, press the
button.
(The outdoor unit alarm history will be cleared.)
Ã
To exit, press the
(CHECK) button.
The display returns to the normal display.
4
1
3
2
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Mini VRF SYSTEM
Service Checker
6
1. Outdoor Unit Maintenance Remote Controller
6-12
Setting mode 1
<Operating procedure>
Press and hold the
(CHECK) button and
(VENTILATION) button simultaneously for 4
seconds or longer.
Press the temperature setting
/
buttons to change the item code. The item codes
and setting data are shown in the table below.
and setting data are shown in the table below.
Press the timer time
/
buttons to change
the setting data.
To confirm the changed setting data, press the
button.
(At this time, “
” stops blinking and remains
lit.)
During this mode, “
” is displayed, blinking.
The outdoor unit address display section displays
“ALL,” the item code number (DN value in the
table), and the setting data (6 digits).
“ALL,” the item code number (DN value in the
table), and the setting data (6 digits).
(The setting data is displayed in 6 digits. The
display changes between the first 3 digits (Fig.
display changes between the first 3 digits (Fig.
A
)
and the last 3 digits (Fig.
B
). When the first 3
digits are displayed, the bottom dot of the colon is
lit.)
lit.)
To exit the setting mode, press the
(CHECK)
button.
The display returns to normal display mode.
The display returns to normal display mode.
1-6. Setting the outdoor unit EEPROM data
5
5
1
3
1
3
2
2
A
and
B
are displayed alternately.
(Example shows display of 000 001.)
A
Display of first 3 digits
B
Display of last 3 digits
Description
Parameter
DN
Outdoor unit fan Quiet
mode
mode
000 = Disabled
001 = Quiet mode
001 = Quiet mode
Energy saving mode
000 = None
001 = Discharge temp. control only (Mode 3)
002 = Demand only (Mode 2)
003 = Discharge temp. control + Demand (Mode 1)
001 = Discharge temp. control only (Mode 3)
002 = Demand only (Mode 2)
003 = Discharge temp. control + Demand (Mode 1)
000 = None
001 = Indoor EEPROM code : Set 028 to 001
001 = Indoor EEPROM code : Set 028 to 001
(When power failure is recovered, the system restores automatically.)
002 = Indoor EEPROM code : Set 028 to 000
(When power failure is recovered, the system does not restore automatically.)
(When EF changed, set to EE for setting at shipment : Set to 000)
Energy saving
operation plug
operation plug
000 = Independent
001 = All indoor units linked
001 = All indoor units linked
Demand 1 current
040 = 40%, 045 = 45%, … 095 = 95% 100 = 100%, -001 = (no limit)
040 = 40%, 045 = 45%, … 095 = 95% 100 = 100%, -001 = (no limit)
Demand 2 current
Indoor unit connecting
Nos.
Nos.
000 = Setting at shipment
(Indoor unit connecting Nos. shows after installation's communication.)
(Indoor unit connecting Nos. shows after installation's communication.)
Auto restart setting
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