Operation Of The Controller - McQuay MDS030A Design & Installation Manual

Design & installation Guide For McQuay MDS Multi System
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2.3 Operation of the Controller

2.3.1 Main features
Both wire controller (using the key on board) and remote controller (equipped with infrared receiver to
receive the order from the remote controller ) to control the unit, and to perform such functions as
parameter setting , working mode setting, status display and malfunction indicating.
Features:
°ˆ Working mode Cooling only unit: Cooling/air supply/dehumidity; Heat pump unit: Cooling/heating
/air supply/dehumidity
°ˆ Indoor units have several speed: auto/low/medium/high.
°ˆ Temperature setting range: 16°Ê /61 F°´ 30°Ê /78 F.
°ˆ Timer for ON/OFF. Max. time is 24 hours
°ˆ Sleep
°ˆ Auxiliary electric heater & hot water heater control and the wind wing function.
°ˆ LCD indicator is available to slow the setting temperature, working mode, real time, week, and
status of the units.
2.3.2 Operation of the line controller
°ˆ Wire controller panel button
For the unit without wind wing
°ˆ Operation manual
°Ò The omitted parameter
When the function of auto restart after power failure is not active: The unit is OFF and the
temp is 24 °Ê/75 £¨ cooling mode, high speed, No sleep function, no defrost, no wind wing,
no electric heater.
When the function of auto restart after power failure is active: the unit is the same as that
before power failure.
°Ò Temp setting
In normal mode condition, press°∞°˜°± or °∞
adjustment range is 16-30°Ê (or 61-86 When the temp reach the upper limit or floor limit, the
°∞°˜°± or °∞ °±is invalid.
For the unit with wind wing
°±to increase the temp by 1 °Ê or 1 Temp