Technical data

Installation, use and Maintenance manual - ed. 04/14 14
SECTION 3 CONTROL SYSTEM
3.1 Overview of system
The control system comprises of a main control panel which controls the above
components by communicating with a wall mounted control box and a set of external
inputs.
The purpose of the control system in evaporative coolers is to control the following
functions which are accessible by the operator
• Power - ON/OFF
o Turns the cooler on - starts the fan and operates in cool or vent as selected
o Turns the cooler off – stops all functions and cooler drains automatically
• Auto - Man/Auto
o In manual mode the cooler follows the set fan speed and cool/vent mode
o In Auto the fan speed and cool/vent mode are automatically set according to
the status of the thermostat and humidistat.
• Fan Speeds 1 to 5
o Manual setting of fan speed
• Cooling - Cool or Vent mode
o Vent mode
 Water circuit is disabled
 Sump drains automatically
o Cool mode
 Water circuit is enabled
• Fill cycle enabled
• Bleed control enabled
Allarme antincendio
Velocità 4
Velocità 5
Cool/Vent
Man/Auto
Velocità 3
Velocità 2
Velocità 1
On/Off
On/Off
Igrostato interno
On/Off
Igrostato esterno
On/Off
Timer
On/Off
Termostato
On/Off
Remote
control
Allarme