Zamil MAC-240, Installation, Operation & Maintenance Manual

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Main Control Panel Switches & Indicators
The description and function of each of the switches and lamps are as follows:
1) Temperature LCD Display – This LCD window will display the temperature of the supplied air. In the process of
parameter changing, the LCD will display the data that is being changed – either the parameter number or the
parameter value.
2) Status / Alarm LCD Display – This LCD window displays the status and alarm condition or alarm history of the unit.
The status conditions such as pressure readings in both systems, motor status, supply air CFM, supply fan speed
and other information can be viewed through this LCD window.
3) Up Button – Used to increase the parameter values or changing to the next information displayed on the LCD
window #2.
4) Set Button – Used to enter in set mode and change the set-up parameter values.
5) Down Button – Used to decrease the parameter values or go back to the previous information displayed on the LCD
window #2.
6) ON / OFF Button – Used to shut-off or start the system’s control.
7) Menu Button – Used to access the different menu functions.
8) Escape Button – Used to reset alarm and to quit accessed menu.
9) ON/OFF LED – To indicate system is in start or shut-off condition.
10) Menu LED – To indicate set-up menu is active.
11) Alarm LED – To indicate there is an active alarm in the system.
12) Start Control Switch – To switch on/off the generator engine and start the supply fan motor.
13) Mode Control Switch – To select system mode from fan only mode or cooling mode.
14) Cooling Level Switch – Used to select desired cooling level – Low, Medium or High cooling level. Mode control switch
should be in cool mode position.
15) Generator Alarm Lamp – This lamp will light if there’s a fault in the generator. The nature of the fault (shown in
symbol) will be described in the generator’s control panel LCD. Please refer to the generator’s manual for the
description of the fault.