•Start cooler. Install both inspection panels, start pump, and allow to operate until pads are wet.
•Check amperage. With pads wet and unit started, check amperage draw with an amperage meter.
•Adjust pulley if necessary. If amperage draw is less than mo- tor rating, turn off electrical power and
remove inspection panels. Unplug mo-
tor inside cooler, this will protect you from someone turning on unit while
you are working inside. This should be done for your safety. Adjust pulley to a larger diameter and readjust belt tension, plug motor in, install inspection panels, and retest amperage draw. Repeat this
process until correct amperage draw is attained. Increasing motor pulley diameter increases amperage draw. Decreasing motor pulley diameter decreases amperage draw (see Fig. 6).
CAUTION: Do not operate cooler with larger amperage draw than specified on motor plate.
Thermostat Operation
Automatic Operation (Cool Mode)
The fan and water pump are controlled automatically to achieve the desired comfort level.
This mode is activated by pressing the ‘Cool’ button. A blue LED is illuminated, and for a few seconds the LCD will display the ‘Set’ temperature. Pressing the ‘Cool’ button again deactivates this mode.
The Set temperature (the target temperature for control) may be altered by repeatedly pressing or holding the ‘Up’ and ‘Down’ buttons. The LCD will display ‘Set’ rather than ‘Room’ temperature for a short time after pressing the ‘Up’ or ‘Down’ button.
On starting, if the pads in the cooler are too dry, the fan may be delayed from starting until the pads have absorbed some water. This is called
During automatic operation, the control performs a 90 second water dump cycle every 8 or 12 hours of pump operation. This interval can be toggled between 8 or 12 hours by simultaneously holding the ‘Cool’ and ‘Fan’ buttons for 5 seconds. The selected interval is displayed for a short time. This action also starts a manual dump cycle.
Ventilation Operation (Fan Mode)
The fan speed is set by the user, the water pump is turned off.
This mode is activated by pressing the ‘Fan’ button. A green LED is illuminated, and the LCD indicates fan speed. Pressing the ‘Fan’ button again deselects this mode.
Pressing the ‘Up’ button selects maximum Fan speed, and ‘Hi’ is displayed in the LCD; pressing the ‘Down’ button selects minimum Fan speed, and ‘Lo’ is displayed in the LCD.
Time Delay Operation (Timer Mode)
Delayed start or finish in ‘Cool’ or ‘Fan’ mode.
The ‘Timer’ button is used to set a delay period of 2, 4 or 8 hours, depending on how many times the button is pressed.
If the cooler is operating in ‘Cool’ or ‘Fan’ modes when the ‘Timer’ button is pressed, the delay period determines when the cooler will switch off. If the cooler is Off when the ‘Timer’ button is pressed, the delay period determines when the cooler switches on.
The starting mode is indicated by a flashing LED. You can change this mode by pressing the appropriate button (‘Cool’ or ‘Fan’).
You can cancel the Timer function at any time by pressing the ‘Timer’ button until all the timer LED’s go out.
In The Event Of A Power Outage
If the cooler is operating in ‘Cool’ or ‘Fan’ mode when power is interrupted, the cooler will resume in the same mode of operation when the power is restored.
If the cooler was in any ‘Timer’ mode at the time of a power interruption, the cooler will remain off when power is restored.
Wiring Diagrams
120 Volt
240 Volt
COOLER TERMINAL BOX
BLACK
RED
WHITE
GREEN
ORANGE
FAN MOTOR
RECEPTACLE GREEN WHITE BLUE ORANGE 
BROWN 
GREEN
WHITE
BLUE
ORANGE 
BROWN
DRAIN PUMP
RECEPTACLE
TOGGLE SWITCH
SWITCH LEADS
| GRAY |
|
| 120 VAC | |
| WHITE |
|
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|
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| |
| GREEN |
|
|
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|
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| GROUND | |
|
| THERMOSTAT | |||
| FAN | PWR. SUPPLY | PUMP DUMP | ||
BLACK | FCom FHi FLo | NLink N L1 LINK | DCom DP PCom PP | ||
GRAY |
|
|
|
|
|
RED
YELLOW
BLUE
VIOLET
WHITE
=WIRE NUT (11)
COOLER TERMINAL BOX
BLACK
RED
WHITE
GREEN
ORANGE
FAN MOTOR
RECEPTACLE GREEN WHITE 
BLUE 
ORANGE BROWN 
CIRCULATING PUMP
RECEPTACLE GREEN
WHITE
BLUE
ORANGE
BROWN
DRAIN PUMP
RECEPTACLE
TOGGLE SWITCH
SWITCH LEADS
| GRAY |
|
| 240 VAC | |
| WHITE |
|
|
|
|
|
|
|
|
| |
| GREEN |
|
|
|
|
|
|
|
| GROUND | |
|
| THERMOSTAT | |||
| FAN | PWR. SUPPLY | PUMP DUMP | ||
BLACK | FCom FHi FLo | NLink N L1 LINK | DCom DP PCom PP | ||
GRAY |
|
|
|
|
|
RED
YELLOW
BLUE
VIOLET
WHITE
=WIRE NUT (11)
| 3 |