Service Manual

Field Setting from Remote Controller SiUS281811E
130 Part 5 Field Settings and Test Operation
1.5.17 Automatic Mode Differential
This setting makes it possible to change differential values for mode selection while in automatic
operation mode, only when the wireless remote controller or any central remote controller is
connected.
: Factory setting
The automatic operation mode setting is made by the use of the "Operation Mode Selector" button.
1.5.18 Auto Restart after Power Failure Reset
: Factory setting
For the air conditioners with no setting for the function, the units will be left in the stop condition
when the power supply is reset automatically after power failure reset or the main power supply is
turned ON again after once turned OFF. However, for the air conditioners with the setting (same as
factory setting), the units may start automatically after power failure reset or the main power supply
turned ON again (return to the same operation condition as that of before power failure).
For the above reasons, when the unit is set enabling to utilize “Auto restart function after power
failure reset”, utmost care should be paid for the occurrence of the following situation.
1.5.19 Airflow Setting when Cooling Thermostat is OFF
This is used to set airflow to LL airflow when cooling thermostat is OFF.
: Factory setting
Mode No.
First Code
No.
Second Code No.
01
 02 03 04 05 06 07 08
12 (22) 4
0°C
(0°F)
1°C
(1.8°F)
2°C
(3.6°F)
3°C
(5.4°F)
4°C
(7.2°F)
5°C
(9°F)
6°C
(10.8°F)
7°C
(12.6°F)
Mode
No.
First Code
No.
Second
Code No.
Contents
12 (22) 5
01 Not equipped
02
 Equipped
The air conditioner starts operation suddenly after power failure reset or
when the main power supply is turned on again. Consequently, the user
might be surprised and wonder why this has happened. In service work, for
example, turning off the main power switch while the unit is in operation,
and turning on the switch again after the work is completed start unit
operation (the fan rotates).
Caution
Mode
No.
First Code
No.
Second Code
No.
Contents
12 (22) 6
01 LL tap
02
 Set fan speed
03 OFF