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INSTALLATION AND OPERATION MANUAL
40
16. SAFETY SUMMARY & CONTROL DEVICE SETTING
Compressor Protection
High Pressure Switch:
This switch cuts out the operation of the compressor when the
discharge pressure exceeds the setting.
Model
For Compressor
Pressure Switches
High
Cut-Out
Cut-In
For Control
Fuse
1φ, 230V, 50Hz
3φ, 400V, 50Hz
CCP Timer
Setting Time
For Condenser Fan Motor
Internal Thermostat
Cut-Out
For Control Circuit
Fuse Capacity on PCB
17. TROUBLESHOOTING
Alarm Code Indication of Remote Control Switch:
Abnormal Indoor
Abnormal Ref.
Unit No.
Cycle No.
COOL MED
ADDS. RN
A/C
ALARM
Code
Category
No.
01
Indoor Unit
02
Outdoor Unit
03
Transmission
04
05
Power Supply
06
Voltage Drop
07
Cycle
08
PMML0197_r0_04-10.indb 40
RAS-3HVRNME
RAS-4HVRNM1E
Automatic Reset, Non-Adjustable (each one for each compressor)
-0.05
MPa
4.15
-0.15
MPa
3.20±0.15
A
40
A
-
min.
3
C
-
o
A
5
Alarm Code
Model Code
Indicated for
COOL MED
a second
alternately
Content of Abnormality
Tripping of Protection Device
Tripping of Protection Device
Abnormality between Indoor (or Outdoor) and
Outdoor (or Indoor)
Abnormality between Inverter and Control PCB
Abnormality power supply
Voltage Drop by Excessively Low or High
Voltage to Outdoor Unit
Decrease in Discharge Gas Superheat
Increase in Discharge Gas Temperature
Fan Motor Protection
When the thermistor temperature is reached to the setting, motor
output is decreased.
The other way, when the temperature becomes lower, limitation
is cancelled.
RAS-4HVRNS1E
-0.05
-0.05
4.15
4.15
-0.15
-0.15
3.20±0.15
3.20±0.15
40
50
Non-Adjustable
3
3
Automatic Reset, Non-Adjustable (each one for each motor)
-
-
5
5
Connected No. of
Alarm Code
Indoor Units
P
ADDS. RN
A/C
ALARM
Failure of Fan Motor, Drain Discharge, PCB, Relay, Float Switch
Activated
Activation of PSH, Locked Motor
Incorrect Wiring, Failure of PCB, Tripping of Fuse, Power Supply OFF
Failure in Transmission between PCBs for Inverter
Abnormal wave form of power supply.
Voltage Drop of Power Supply. Incorrect Wiring or insufficient
Capacity of Power Supply Wiring
Excessive Refrigerant Charge, Expansion Valve Open Lock
Insufficient Refrigerant, Ref. Leakage, Clogging or Expansion Valve
Close Lock
RAS-5HVRNM1E
RAS-4HRNM1E
RAS-5HVRNS1E
RAS-5HRNM1E
RAS-6HVRNM1E
RAS-6HRNM1E
RAS-6HVRNS1E
-0.05
4.15
4.15
-0.15
3.20±0.15
3.20±0.15
50
40
2X20
3
3
-
-
5
5
Model Code
Indication
Model
Heat-Pump
H
Inverter
P
Multi (Set-Free)
F
Cooling Only
C
Others
E
Twin, Triple and Quad
Leading Cause
-0.05
-0.15
08/07/2010 9:21:00
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