50
PMML0129A rev.4 - 02/2010
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.
■
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.
18. SAFETY SUMMARY & CONTROL DEVICE SETTING
Model
RAS-8
RAS-10
RAS-12
For Compressor
Automatic Reset, Non-Adjustable
Pressure Switches
Cut-Out
MPa
-0.05
-0.05
-0.05
High
4.15
4.15
4.15
-0.15
-0.15
-0.15
Cut-In
MPa
3.20 + 0.15
3.20 + 0.15
3.20 + 0.15
Fuse
3~ 400V 50Hz
A
40
40
40
CCP Timer
Setting Time
min.
Non-Adjustable
3
3
3
For Condenser Fan Motor
Internal Thermostat
Automatic Reset, Non-Adjustable
(each one for each motor)
DC
AC
Cut-Out
Cº
120+5
120+5
120+5
Cut-Out
Cº
150+5
150+5
150+5
Cut-In
Cº
96+5
96+5
96+5
For Control Circuit
Fuse Capacity on PCB 1,5
Fuse Capacity on PCB 3
A
5
5
5
10
10
10
19. TROUBLESHOOTING
Alarm Code Indication of Remote Control Switch:
Abnormal Indoor
Unit No.
Abnormal Ref.
Cycle No.
Alarm Code
Model Code Connected No. of
Indoor Units
Alarm Code
Indicated
for a
second
alternately
Code
No.
Category
Content of Abnormality
Leading Cause
01
Indoor Unit
Activating of Protection Device
Failure of Fan Motor, Drain Discharge, PCB, Relay, Float Switch
Activated
02
Outdoor Unit
Activating of Protection Device
Activation of PSH, Locked Motor, Abnormality of power supply
phase
03
Transmission
Abnormality between Indoor (or Outdoor) and
Outdoor (or Indoor)
Incorrect Wiring, Failure of PCB, Tripping of Fuse, Power Supply
OFF
04
Abnormality between Inverter and Control PCB
Failure in Transmission between PCBs for Inverter
06
Voltage Drop
Voltage Drop by Excessively Low or High Voltage
to Outdoor Unit
Voltage Drop of Power Supply. Incorrect Wiring or insufficient
Capacity of Power Supply Wiring
07
Cycle
Decrease in Discharge Gas Superheat
Excessive Refrigerant Charge, Expansion Valve Open Lock
08
Increase in Discharge Gas Temperature
Insufficient Refrigerant, Ref. Leakage, Clogging or Expansion
Valve Close Lock
Model Code
Indication
Model
H
Heat-Pump
P
Inverter
F
Multi
C
Cooling Only
E
Others
ALARM
ALARM
ADDS
