Bigassfans COLD FRONT 300 User manual

Operation and Maintenance Manual

Manuel de fonctionnement et d'entretien

Manual de operación y mantenimiento

BIGASSFANS.COM

COLD FRONT 300

COLD FRONT 400

COLD FRONT 500

EXCEPTIONALLY

ENGINEERED

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LISEZ ET CONSERVEZ CES INSTRUCTIONS

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DANGER DANGER indicates an imminently hazardous situation which, if not avoided,

WILL result in death or serious injury.

WARNING WARNING indicates a potentially hazardous situation which, if not avoided,

COULD result in death or serious injury.

CAUTION CAUTION indicates a potentially hazardous situation which, if not avoided,

MAY result in minor or moderate injury.

IMPORTANT IMPORTANT indicates a potentially hazardous situation which, if not avoided,

MAY result in property damage.

Installation Guide

Rev. E

02/01/2021

Improper installation, delivery, or maintenance, including, but not limited to, any of the following actions by the customer or agent of the

customer will constitute a breach of and will void all warranties:

• Failure to follow the required installation procedures speciﬁed in this Installation Guide and in all other documentation supplied

with the fans and related equipment including documentation provided by the manufacturers of the individual fan and control

components;

• Failure to follow all relevant codes and ordinances, including, but not limited to, the National Electrical Code (United States),

applicable national and local electrical codes, and state and local building codes;

• Failure to follow electrical engineering industry standards regarding the approved method of installing solid-state electrical

equipment having the characteristics of the fans, the fan controls, and their related components, even if such standards are not

speciﬁcally referenced in any instructions or literature supplied by Big Ass Fans or provided by manufacturers.

All trademarks used herein are the properties of their respective owners. No part of this document may be reproduced or translated into

a dierent language without the prior written consent of Big Ass Fans. The information contained in this document is subject to change

without notice. For the most up-to-date information, see the online printable installation guide at www.bigassfans.com

Patent: www.bigassfans.com/patents • www.bigassfans.com/product-warranties

Original English Instructions www.bigassfans.com/support

IMPORTANT SAFETY INSTRUCTIONS

The appliance is not to be used by children or persons with reduced physical, sensory, or mental capabilities,

or lack of experience and knowledge, unless they have been given supervision or instruction.

Children being supervised should be instructed not to play with the appliance.

Maximum altitude: < 1000 m

CHECKLIST

✓Read the Operation and Maintenance Manual.

✓Check all hose connections.

✓Use a 12 gauge cord if the cord is under 50 ft (15 m) or a 10 gauge cord if the cord

is over 50 ft (15 m).

✓Provide fresh air intake for the cooler and maintain a minimum clearance of 3 ft

(0.9m) behind the cooler.

✓Flush new cooling media.

1. Fill the cooler with water.

2. Switch on the pump.

3. Run the cooler without the fan running for 5 hours.

✓Make sure the cooling media is being evenly saturated by using the control valve

to adjust the water ﬂow.

✓Drain and clean the cooler weekly. Remove the cooling media and wash with a

garden hose.

✓Use Refresh™ tablets (algae killer) and/or CTT-EC™ cooler treatment tablets

(mineral treatment). One algae killer tablet is provided in the cooler's reservoir.

Additional water treatment tablets are available at bigassfans.com.

DO NOT

ΧDO NOT forget to dry out the cooling media before shutting down the cooler. Turn

o the pump and leave the fan running for 10 to 15 minutes.

ΧDO NOT run the pump without ﬁlling the reservoir with water ﬁrst.

ΧDO NOT completely open the water valve. This may ﬂood the cooling media.

ΧDO NOT use a water source with more than 120 PSI (8 bar/827 kPa) of water

pressure.

ΧDO NOT operate the cooler in a sealed room. Allow for fresh air intake and

exhaust.

ASSEMBLY AND SETUP

IMPORTANT

Carefully examine the carton for damage before opening. If the carton is damaged, notify the shipping

company immediately.

Install Casters (Cold Front 300 only):

1. Locate the package of four (4) casters and sixteen (16) bolts and remove from box.

2. Lay box on its side and carefully open bottom of box. DO NOT STAND BOX UPSIDE DOWN.

3. Install the four casters using the bolts.

4. Stand cooler up on casters and remove box.

The cooler has been factory tested and is ready to use. Place the cooler on level ground with the casters locked

to prevent inadvertent movement.

Connecting the water supply

The cooler comes equipped with a garden hose water source connection. Use a standard garden hose (not

provided) to connect the water supply to the cooler.

CAUTION

Do not connect to any water source where water pressure exceeds 120 PSI (8 bar/827 kPa). This will cause

permanent damage to the cooler.

Connecting the electrical supply

IMPORTANT

The cooler should be plugged into a fused or breaker-protected circuit. Refer to the table for circuit size

requirements. Cold Front 500 models cannot be connected to a GFCI outlet.

Amperage and Circuit Requirements

Model Volts +/- 10% Frequency Min. Circuit Size Running Amps

Cold Front 300 120 V 60 Hz 15 A 4.1 A

220/230 V 50/60 Hz 10 A 1.8 A

Cold Front 400 120 V 60 Hz 15 A 8.0 A

220/230 V 50/60 Hz 10 A 5.0 A

Cold Front 500 120 V 60 Hz 25 A 16.5 A

220/230 V 50/60 Hz 15 A 8.6 A

CAUTION

Do not exceed the amperage ratings of the extension cord. Undersized extension cords create excessive

drops in voltage, causing the electric motor to generate excess heat. This results in inecient motor

operation and premature motor failure and will void the warranty.

Three-Conductor Heavy Duty Extension Cord Requirements (120 V)

Cord Length Cord Size

16 GA 14 GA 12 GA 10 GA

0–50 ft (0–15 m) 13 A 18 A 25 A 30 A

50–100 ft (15–30 m) 10 A 13 A 18 A 25 A

Three-Conductor Heavy Duty Extension Cord Requirements (220/230 V)

Cord Length Cord Size

1.5 mm22.5 mm24 mm25 mm2

6 m 13 A 15 A 15 A 15 A

16 m 13 A 14 A 15 A 15 A

32 m 10 A 12 A 13 A 15 A

OPERATION

The cooler must be placed on level ground to operate correctly. Evaporative coolers create an oval-shaped

air pattern. Obstacles such as racks and workbenches may interfere with airﬂow. Position the cooler so that

interruption of the air pattern is minimized. Multiple coolers may be required to cover larger areas.

There are three major factors to consider when determining where to place the cooler.

1. Fresh Air Supply. The inlet side of the cooler (pad side) requires a constant, uninterrupted supply of fresh air

for maximum performance. A distance of 3 ft (0.9 m) of clear space to any obstructions at the rear or inlet side

of the cooler is recommended.

2. Discharge Airﬂow. The cool air discharged from the cooler should be free from obstruction to promote air

circulation in order to maximize the cooling zone.

3. Ventilation. Adequate ventilation is needed ensure the cooler does not recirculate air that has already been

through the evaporative cooling process.

Filling the cooler with water

Once the cooler has been connected to a water source, turn the water supply valve on and the cooler will ﬁll

with water. The ﬂoat valve will shut o the water ﬂow when the sump is full.

Starting the fan

Set the fan switch to the ON position and adjust the speed to your preferred setting.

Starting the pump and adjusting the water ﬂow

The cooling media in your new cooler will take a few hours to become fully saturated, and the media may

initially produce an odor. Flush the cooling pads for 5 hours with the ﬂow control valve fully opened to ensure

the best eciency of your cooler. During this time, the odor should also dissipate. For best results, change the

water in the reservoir frequently.

Once the cooling pads are fully ﬂushed:

1. Fill reservoir with water.

2. Turn on fan.

3. Adjust water ﬂow with ﬂow control valve until water streams over pads.

Do not ﬂood the pads with water. You should see several 1" to 2" (25 to 51 mm) wide dry streaks on the face of

the pads. If dry streaks grow wider, adjust ﬂow to allow more water.

CAUTION

Prolonged use of hard water without proper water treatment will create mineral deposit buildup. This will

cause the pump to fail and is NOT COVERED BY WARRANTY.

IMPORTANT

Pump is equipped with a low water cuto that may take up to ﬁve (5) minutes to reset each time.

REM

Fan Speed

• Default speed is 6.

• Press +to increase speed.

• Press -to decrease speed.

Power On/O

Turns cooler on and o.

Fan On/O

Turns fan on and

o in Manual

mode.

Pump On/O

Turns pump on and

o in Manual mode.

Auto/Manual Mode

Switches cooler between Auto and Manual mode.

In Auto mode:

• Indicator light will be on.

• Cooler will run when motion is detected.

• When no motion is detected, cooler will run for 10

minutes and then shut down.

Pad Dry

Puts cooler into shutdown mode.

• When pressed, the pump shuts o and the

fan will continue to run for 15 minutes and

then shut down.

• Works in Auto and Manual mode.

Remote Sensor

Power Indicator

Red light: Power connected

Green light: Power on

Low Water Indicator

Operation (Cold Front 500)

Remote control operation (Cold Front 500)

Fan Speed

• Default speed is 6.

• Press +to increase speed.

• Press -to decrease speed.

Power On/O

Turns cooler on and o.

Fan On/O

Turns fan on and o in Manual mode.

Pump On/O

Turns pump on and o in Manual

mode.

Auto/Manual Mode

Switches cooler between Auto and

Manual mode. In Auto mode:

• Indicator light will be illuminated.

• Cooler will run when motion is

detected.

• When no motion is detected,

cooler will run for 10 minutes, and

then shut down.

Pad Dry

Puts cooler into shutdown mode.

• When pressed, the pump shuts

o and the fan will continue to

run for 15 minutes and then shut

down.

• Works in Auto and Manual

mode.

MAINTENANCE AND STORAGE

WARNING

ELECTRICAL SHOCK HAZARD

Disconnect the power supply before performing any service or maintenance.

Failure to do so may result in serious injury or death.

Removing the cooling media

Remove the cooling pads to access the inside of the cooler.

1. Remove the bolts connecting the pad retainer bar (pad side) from the housing.

2. Cold Front 400 and 500 models: Remove top pads.

3. Starting with the center pad(s), tilt pads from the top and lift out of the cooler.

NOTE: Reinstall pads correctly according to the markings on the pads.

Daily maintenance

After each use, turn o the pump about 15 minutes before the fan is turned o to allow the pads to drain and dry

out. This controls mildew and bacteria growth for a long and ecient pad life. Drain the water from the cooler if it

will be unused for a prolonged period of time.

Periodic maintenance

Shut down the cooler and drain the water sump regularly. Depending on how often you operate the cooler,

drain the sump anywhere from every week (heavy use) to monthly (light use). The cooling pads act as a ﬁlter to

remove dust and other particles from the incoming air stream. Collected particles and any water impurities will

ﬂow into the sump and collect there. To keep the cooler operating at peak eciency, keep the cooling media

and sump clear of debris. Water treatment tablets are available at bigassfans.com.

Draining the water sump

1. Close water ﬂow valve and open drain valve or remove drain plug located at bottom of reservoir.

2. Run pump until sump is dry, and then immediately shut o pump.

3. Turn cooler o and disconnect the power supply.

4. Remove cooling pads.

5. Clean out reservoir with either a towel or wet/dry vacuum.

6. Remove the water spray bar and its plug. Ensure holes are free of debris.

7. Reinstall pads and pad retainer.

Ensure the cooling pads are kept clean and dust-free. Dust and other particles have an adverse eect on the

pads’ ability to introduce water into the air stream. If the pad surface is dirty, clean with a soft brush and water.

Never use bleach.

Storage

1. Remove cooling pads and clean with a soft brush and water to remove dust and debris.

2. Drain sump and wipe dry.

3. Store cooler in a dry area and cover to prevent dust buildup.

TROUBLESHOOTING AND REPAIR

WARNING

ELECTRICAL SHOCK HAZARD

Disconnect the power supply before performing any service or maintenance.

Failure to do so may result in serious injury or death.

CAUTION

Please use caution when troubleshooting or repairing all electrical components. Ensure all power is

disconnected from the cooler before the cooling pads or fan guard are removed to gain access to the fan.

Tools needed

• Screwdrivers

• Pliers

• Adjustable wrenches

• Volt/Ohm meter (electrical troubleshooting)

Additional tools may be required.

General troubleshooting

The cooler consists of three systems:

• Pump

• Water distribution system

• Fan system

Use the troubleshooting tables on the following pages to determine which system(s) require servicing.

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