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
