Step 14 Performing Final Check And Trial Operation - Samsung AC TXAP G Series Installation Manual

Installation Procedure
5 Carefully check the installation by measuring the
earthing resistance with a earth resistance tester. If
the resistance is above the required level, drive the
electrode deeper into the ground or increase the
number of earthing electrodes.
6 Connect the earthing wire to the electrical component
box inside of the outdoor unit.
Step 14 Performing final check and
trial operation
1 Check the power supply between the outdoor unit
and the auxiliary circuit breaker.
• 1 phase power supply : L, N
• 3 phase power supply : R, S, T, N
2 Check the indoor unit.
a Check that you have connected the power and
communication cables correctly. (If the power
cable and communication cables one mixed up or
connected incorrectly, the PCB will be damaged.)
b Check that the thermistor sensor, drain pump/
hose, and display are connected correctly.
3 Press K1 or K2 on the outdoor unit PCB to run the
test mode and stop.
Key Push type
1st Heating test mode
K1 Short 2nd Defrost test mode
3rd
1st Cooling test
2nd Inverter check
K2 Short
3rd Pump down
4th
K3 Short 1st
Release Eco mode
28
English
Display
Mode
SEG 1 SEG 2 SEG 3 SEG 4
※
Stop
Stop
Reset
※ Defrost test mode
Condition 1: The outdoor temperature is below 10°C.
Condition 2: All the temperature conditions should meet
the defrost conditions.
K1 K2 K3
4 After 12 minutes operation check discharged air
temperature of indoor unit
• Cooling mode (indoor unit check)  Inlet air temp.
- Outlet air temp.: From 10°C to12°C
• Heating mode (indoor unit check)  Outlet air
temp. - Inlet air temp.: From 11°C to 14°C
• In heating mode, the indoor fan motor can remain
off to avoid cold air blown into air-conditioned
space.
5 How to reset the power supply of the outdoor unit
and deactivate the eco mode (standby mode):
• Outdoor unit types A, B : Refer to Outdoor unit
dimensions on page 8.
• Press K3 button over 1 sec to reset the power
supply of the outdoor unit and deactivate the eco
mode (standby mode).
※ Eco mode : Standby for minimizing power consumption
K4