Step 15 Performing Final Check And Trial Operation - Samsung AC BXAP G Series Installation Manual

Step 15 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 Mode
Heating test
1st
mode
Defrost test
K1 Short 2nd
End Key
3rd
operation
Cooling test
1st
mode
2nd Inverter check
3rd Pump down
4th Unusual
Inverter Fault
5th Detection
K2 Short
Auto trial
6th
operation
(Installtion
7th
commissioning
mode)
End Key
8th
operation
Reset
K3 Short 1st Release Eco
mode
Condition 1: The outdoor temperature is below 10°C.
Condition 2: All the temperature conditions should meet the
defrost conditions.
Indication on the display and action to take when an
inverter fault is detected
detection is
in progress
Check
into fault
detection
Display
SEG 1 SEG 2 SEG 3 SEG 4
Auto check is not applied in this model.
4
5
SEG1 SEG2 SEG3
Fault
OK
NG
Going
mode
failed
After 12 minutes operation check discharged air
temperature of indoor unit
•
Outlet air temp.: From 10°C to12°C
•
- 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.
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).
SEG4 Action to take
-
-
PBA defect:
Replace the PBA
Manual inspection
is required
Try fault detection
again
English 29