−15−
−14−
10 . IU settings
Advice: It is valid when unit stops.
When plural indoor units are connected, they are displayed on the
screen.
000 to 015 Individual settings are performed for indoor units.
All units The same setting applies to all units.
①
IU select #1
IU select
Menu
Next
Back
Select an IU address.
All units
The display changes to
④
after
receiving data from the IU.
③
Loading
Loading. Wait a while.
The selected screen is
displayed.
④
IU setting menu #1
IU settings
Fan speed setting
Filter sign
External input 1
External input 1 signal
External input 2
Next
Back
Select the item.
10
9
⑤
IU setting menu #2
IU settings
External input 2 signal
Heating thermo-OFF temp adjustment
Return temperature adjustment
Fan control in cooling thermo-OFF
Fan control in heating thermo-OFF
Next
Back
Select the item.
Previous
11
14
13
12
⑥
IU setting menu #3
IU settings
Anti-frost temp
Anti-frost control
Drain pump operation
Keep fan operating after cooling is stopped
Keep fan operating after heating is stopped
Next
Back
Select the item.
Previous
17
16
15
Set the fan speed tap for the IU.
Refer to the engineering data
for details.
⑨
Fan speed setting
Fan speed setting
Standard
Setting 1
Setting 2
Back
Select the item.
⑦
IU setting menu #4
IU settings
Intermittent fan operation in heating
Fan circulator operation
Control pressure adjust
Auto operation mode
Thermo. rule setting
Next
Back
Select the item.
Previous
18
19
23
21
20
TOP screen Menu
⇒
Service setting
⇒
IU settings
⇒
Service password
⑭
IU setting menu #5
⑧
IU setting menu #5
IU settings
Auto fan speed control
IU overload alarm
External output setting
Back
Select the item.
Previous
25
26
②
IU select #2
IU select
Menu
Back
Select an IU address.
All units
Previous
Standard
No display
None
Setting 1
180Hr
Setting 2
600Hr
Setting 3
1,000Hr
Setting 4
1,000Hr Operation stop
Set the time to display the filter
sign.
⑩
Filter sign
Filter sign
No display
Setting 1
Setting 2
Setting 3
Setting 4
Back
Select the item.
Adjust the main return air temperature
sensor detection temperature.
Adjustable range is -2°C / -1.5°C / -1°C /
0°C / +1°C / +1.5°C / +2°C.
Set the fan speed at the cooling thermo-OFF.
Low The fan runs at the low speed.
Set fan speed The fan runs at the same speed as that during the thermo-ON operation.
Intermittent Cycles of Lo fan operation for 2 minutes and stop for 5 minutes are repeated.
Stop The fan is stopped.
Adjust the temperature for
judging to make thermostat
ON or OFF during heating
operation.
Adjustable range is 0°C / +1°C
/ +2°C / +3°C.
⑬
Fan control in cooling thermo-OFF
Fan control in cooling thermo-OFF
Low
Set fan speed
Intermittent
Stop
Back
Select the item.
⑪
Heating thermo-OFF temp adjustment
Heating thermo-OFF temp adjustment
Back
Set
Tap ▲▼ to set offset value.
⑫
Return temperature adjustment
Return temperature adjustment
Back
Set
Tap ▲▼ to set offset value.