Samsung AC-505CM Series, Installation Manual

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03
O
THERS
31
English
Testing operations
1. Check the power supply between the outdoor unit and the auxiliary circuit breaker.
f 1 phase power supply : L, N
f 3 phase power supply : R, S, T, N
2. Check the indoor unit.
1) 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.)
2) Check that the thermistor sensor, drain pump/hose, and display are connected correctly.
3. Press K2 on the outdoor unit PCB to run the test mode and stop.
Key Push type Mode
Display
SEG 1 SEG 2 SEG 3 SEG 4
K2 Short
1st Cooling test
2nd Inverter check
3rd Pump down
K3 Short 1st Reset Release Eco mode
K1 K2 K3 K4
1
2
3
45
6
7
8
9 0
K1 K2 K3 K4
AC030/036/042/060 ७ AC012/018/024 ७
4. After 12 minutes operation check discharged air temperature of indoor unit
f Cooling mode (indoor unit check) ९ Inlet air temp. - Outlet air temp.: From 10°C to12°C
5. How to reset the power supply of the outdoor unit and deactivate the eco mode (standby mode):
f
Outdoor unit types A, B : Refer to Outdoor unit dimensions on page 6.
f
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
6. View mode: When the K4 switch is pressed, you can see information about our system state as below.
K4 short push Display contents SEG1 SEG2 SEG3 SEG4 Unit
1 Order frequency 1 Hundreds digit Tens digit Units digit Hz
2 Current frequency 2 Hundreds digit Tens digit Units digit Hz
3 The number of preset indoor units 3 Hundreds digit Tens digit Units digit EA
4 Ambient temperature sensor 4 + / - Tens digit Units digit °C
5 Compressor discharge sensor 5 Hundreds digit Tens digit Units digit °C
6 Eva-Mid sensor 6 + / - Tens digit Units digit °C
7 Condensor sensor 7 + / - Tens digit Units digit °C
8 Current 8 Tens digit Units digit The first place of decimals A
9 Outdoor fan RPM 9 Thousands digit Hundreds digit Tens digit rpm
10 Target discharge temperature A Hundreds digit Tens digit Units digit °C
11 EEV B Hundreds digit Tens digit Units digit step
12 The capacity sum of indoor units C Tens digit Unit digit The first place of decimals kW
13 Protective control D
0: Cooling
1: Heating
Protective control
0: No Protective control
1: Freezing
2: Non-stop defrosting
3: Over-load
4: Discharge
5: Total electric current
Frequency status
0: Normal
1: Hold
2: Down
3: Up_limit
4: Down_limit
-
14 IPM temperature E Hundreds digit Tens digit Units digit -
15 The number of connected indoor units F Hundreds digit Tens digit Units digit EA