Step 14 Cool And Heat Modes Operation Test; Step 15 Optional: Setting To Cool Or Heat Only Mode; Step 16 Optional: Power Improvement Mode - Samsung AJ Series Installation Manual

Installation Procedure
Step 14 Cool and Heat modes
operation test
After installing the outdoor and indoor units, test the Cool
and Heat modes.
• When you test the Cool mode, set the set temperature
of the indoor unit to the lowest one. And when you test
the Heat mode, set the set temperature of the indoor
unit to the highest one.
• Check if each indoor unit operates normally and
then also check if all indoor units operate normally
together.
‐ Check both of the Cool and Heat modes.
• About 20 minutes after the air conditioner is started,
check the temperature difference between the air
inlet and outlet of the indoor unit. If the temperature
difference is larger than the value given in the
following table, the operation is normal.
Mode
Cool
Heat
CAUTION
• If the outdoor unit is turned off and then immediately
turned on again, the compressor does not operate for
about 3 minutes.
• During the Cool mode, frost may temporarily develop
on valves and other parts.
NOTE
• You can also test the Cool or Heat Try run using K1
button.
‐ Cool mode try-run : Push the [K1] button twice.
‐ Heat mode try-run : Push the [K1] button three times.
Step 15 Optional: Setting to Cool or
Heat only mode
This function enables the indoor units connected to the
outdoor unit to operate in a specific mode.
You can set each mode with Keys on the Main PCB in the
outdoor unit.
32
English
DB68-08940A-00_IM_FJM Outdoor_AA_EN.indd 32
• Default value: Cooling and Heating mode
Step 16 Optional: Power improvement
mode
The power improvement mode has the following power
reduction effects.
• Reduced power at Thermo off
Temperature
Approximately14.4 ℉
• Standby mode operation
Approximately 21.6 ℉
Setting the power improvement mode
Enable or disable the power improvement mode with
Keys on the Main PCB in the outdoor unit.
improvement mode
• Default value: Disabled
• This function is available only when the following
Set mode SEG1
Cooling and Heating
Only Cooling
0
Only Heating
‐ When the air conditioner operates in Cool, Dry and
Auto mode, if Thermo off is reached during cooling,
the fan and display of the indoor unit are turned off
after 5 minutes.
‐ When you operates the remote control, the indoor
unit display turns on again.
‐ When all indoor units are turned off, the air conditioner
recognizes it and enters the standby mode.
‐ The product power consumption in the standby
mode is 3.5 W or less.
Power
SEG1 SEG2
Disabled
0
Enabled
NOTE
indoor unit is connected and the function is enabled.
‐ AR**********
SEG2 SEG3 SEG4
0 0
0 1
0
0 2
SEG3 SEG4
0 0
1
0 1
2020-01-23 오후 12:38:10