McQuay M5LCY10FR, Installation Manual

Page: 13 / 120

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English
INDICATOR LIGHTS
IR Signal Receiver
When an infrared remote control operating signal has
been transmitted, the signal receiver on the indoor unit
will respond as below to confi rm acceptance of the signal
transmission.
ON to OFF
OFF to ON
Pump down / Cool force on
Others
1 Long Beep
2 Short Beep
1 Short Beep
Cooling Unit / Heat Pump Unit
The table shows the LED indicator lights for the air
conditioner unit under normal operation and fault
conditions. The LED indicator lights are located at the
side of the air conditioner unit.
The heat pump units are equipped with an “auto” mode
sensor whereby it will provide reasonable room
temperature by switching automatically to either “cool”
or “heat” mode according to the temperature set by the
user.
LED Indicator Lights for Cooling Unit / Heat Pump
Unit
LED Indicator Lights : Normal Operation & Fault Condition For Cooling / Heat Pump Unit
COOL/HEAT
(GREEN/RED)
GREEN
GREEN
GREEN
GREEN
RED
RED
RED
Operation
Cool mode
Heat mode
Auto mode in Heating operation
Auto mode in Cooling operation
Timer on
Sleep mode on
Fan mode on
Dry mode on
Defrost operation
ON Blinking
IR Receiver
Cool / Heat
Timer
Sleep
ON/OFF switch
GREEN
Unit error
IR Receiver
MacQuay IM-WMJ-1110(0).indd 11 MacQuay IM-WMJ-1110(0).indd 11 1/12/2011 6:26:01 PM 1/12/2011 6:26:01 PM