Midea MRCT-075CWN1-D(C) - Page 76

Midea R410A Tropical ClimaCreator Series Rooftop Package 220V 3Ph 60Hz MCAC-RTT6S-201701
75
Continued :
Type
Content
Code
Remarks
Protection
Comprehensive protection of outdoor side fan motor
P3
Protection
Protection of high/low pressure or high temperarture
protection of discharge sensor in system A
P4
Comprehensive
protection of system A
Protection
Protection of high/low pressure or high temperarture
protection of discharge sensor in system B
P5
Comprehensive
protection of system B
Protection
High temperature protection of condenser in system A
P8
Power off to recovery.
Protection
High temperature protection of condenser in system B
P9
Power off to recovery.
Protection
Anti-freezing protection of evaporator in system A
Pc
Protection
Anti-freezing protection of evaporator in system B
Pd
Protection
Protection of outdoor ambient temperature
PA
Notes: If same protection which includes all system for 2-stage products is triggered 3 times
within 1 hour, the unit should be power-off to recovery.
 MRCT-075CWN1-D(C):
Content
LED1
LED2
LED3
(Red)
(Yellow)
(Green)
Standby
OFF
OFF
ON
Normal operation
ON
ON
ON
Phase sequence error or phase lack
FLASH
FLASH
FLASH
Indoor side room temperature (T1) error, or high
pressure protection, or high temperature protection of
discharge sensor
FLASH
FLASH
OFF
Evaporator pipe temperature sensor (T2) error
FLASH
OFF
FLASH
Condenser pipe temperature sensor (T3) error
OFF
FLASH
FLASH
Ambient temperature sensor (T4) error
ON
FLASH
FLASH
Over-current protection of compressor
OFF
OFF
FLASH
Low temperature protection of evaporator
OFF
FLASH
OFF