Big Ass Fans Cold Front 300 Guide d'installation

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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F-EV1-5001

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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

1

CHECKLIST

DO

✓ 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

Χ DO 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.

Χ DO NOT run the pump without ﬁlling the reservoir with water ﬁrst.

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

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

pressure.

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

exhaust.

2

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.

3

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 mm

2

2.5 mm

2

4 mm

2

5 mm

2

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

4

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.

5

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)

6

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.

7

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.

8

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.

9

Error codes (Cold Front 500 only)

Error Solution(s)

E1 - Voltage Self-Inspection Error

• Try a dierent circuit.

• Replace the panel.

E2 - Overcurrent Protection

Current draw is too high.

• Check extension cord size.

• Check that motor spins freely.

• Check that airﬂow is not obstructed.

E3 - Under Voltage Protection

Supply voltage is too low (< 100 V).

• Try a dierent circuit.

• Install a voltage regulator.

E4 - Over Voltage Protection

Supply voltage is too high (> 130 V).

• Try a dierent circuit.

• Install a voltage regulator.

E5 - Overload Protection

Motor is running too hot.

• Check that airﬂow is not obstructed.

• Check extension cord size.

E6 - Overheat Protection

• Check that airﬂow is not obstructed.

• Check for mineral buildup on the motor.

• Check extension cord size.

E7 - Panel with Motor Communication Error • Check for a broken or loose wire.

E8 - Panel Internal Error • Replace the panel.

E9 - Motor No Response

• Check for a broken or loose wire.

• Replace the motor.

F6 - Panel Communication Error • Check for a broken or loose wire.

10

Water distribution system troubleshooting

The water distribution system consists of two assemblies:

• Water inlet assembly

– Brass bulkhead ﬁtting

– Float valve assembly

• Hose and valve assembly

– Spray bar assembly

– Valve assembly

– Connection hose

Issue Solution(s)

Floor at side of cooler is wet.

Water inlet hose is loose at supply hose or inlet hose is loose at bulkhead

ﬁtting.

Tighten connections and/or replace hose washers.

Water overﬂows from reservoir or

is spitting through fan.

Float valve hose is loose at bulkhead ﬁtting or at ﬂoat valve.

Tighten connections and/or replace hose washers.

Water pressure is too high to allow ﬂoat valve to shut o

(120PSI/8bar/827 kPa max).

Reduce water pressure by adding an inline reducer.

Float valve is not properly seated.

Check all hoses for leaks.

Water is spitting from the cooler.

Check the hose and valve assembly.

• Reduce ﬂow control setting.

• Replace cracked hose and valve assembly.

• Tighten hose connections.

• Adjust spray bar.

• Ensure pads are installed correctly.

Water is leaking from the drain

valve.

Check for worn washer or stem or open drain valve.

• Replace washer.

• Replace drain valve.

There are too many dry streaks on

the pads.

Check for blocked holes in the spray bar or adjust water ﬂow.

• Remove spray bar and plug and clean the tube and holes.

• Open water ﬂow control valve.

11

Fan system troubleshooting

Issue Solution(s)

Fan will not run and makes no sound.

Check power cord, extension cord, switches, and circuit breaker.

• Reconnect power or extension cord.

• Reset breaker.

Fan will not run and makes humming

sound.

Blade is in contact with shroud.

Re-center blade hub.

Motor stall (will not turn by hand).

Replace motor.

Breaker trips or fuse blows when fan

starts.

Motor stall.

Replace motor.

Check power source. Refer to page 1 for electrical requirements.

Upgrade power supply.

Extension cord gauge is too small.

Replace with heavier cord.

Motor overheats, shuts o, and restarts

several minutes later.

Extension cord gauge is too small.

Replace with heavier cord.

Inlet air is obstructed or too close to wall.

Provide minimum 3 ft (0.9 m) inlet clearance.

Faulty motor.

Replace motor.

Fan motor will not run and switch makes

soft clicking sound.

Ensure switch is making good contact.

Replace switch if needed.

Fan blade does not turn and cooler

makes squealing sound.

Motor stall (will not turn by hand).

Replace motor.

Fan will not reach speed but turns and

makes humming sound.

Check capacitor (where visible) and motor electrical connections.

Replace capacitor or motor.

Extension cord gauge is too small.

Replace with heavier cord.

12

Fan repair procedures

CAUTION

Repairs should be performed by a qualiﬁed technician!

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.

Fan motor replacement for Cold Front 300

1. Remove cooling pads.

2. Remove black motor wiring plate and disconnect motor wires. Mark each wire with a marker or marker tape

for easy matching when installing new motor.

3. Remove the four (4) nuts and bolts securing the motor, fan, and support braces (complete fan assembly).

4. Replace with new fan assembly.

5. Secure with four (4) nuts and bolts.

6. Replace any wire ties that were removed when uninstalling the old fan assembly.

7. Replace black motor wiring plate.

8. Reinstall pads and connect power.

Fan motor replacement for Cold Front 400 and 500

1. Remove cap from bottom of motor. Disconnect wires and clip wire ties.

2. Remove the four (4) fan mounting bolts from front. Support fan to ensure it does not fall.

3. Pull the fan out of the cooler.

4. Remove blade mounting nut and blade.

5. Remove mounting arms by loosening the eight (8) bolts securing the arms to the motor. Note the positions of

the arms for re-installation.

6. Install arms and blade on new motor.

7. Install fan in opening and secure with mounting bolts.

8. Reconnect wires. Attach cord to motor arm with wire ties so that wires are clear of fan blades.

13

Pump repair procedures

CAUTION

Repairs should be performed by a qualiﬁed technician!

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.

Pump replacement for Cold Front 300, 400, and 500

1. Unscrew ﬁtting from pump.

2. Unplug cord from top of pump by removing the two (2) screws.

3. Remove pump from water sump and install new pump.

4. Perform the steps above in reverse to reconnect the wiring, lift the pump bracket, and reconnect the hose.

5. Secure wires to fan frame with wire ties so that wires are clear of fan blades. Ensure plug is positioned

correctly.

6. Reinstall cooling pads and guards.

7. Reconnect power and test pump.

Pump troubleshooting

Issue Solution(s)

Pump motor will not run when switch is

turned on.

Turn fan on to check for power.

• If fan does not start, check breaker and make sure cord is

plugged in.

• If fan starts, check for power to and through pump switch (when

turned on).

Ensure water level is high enough to make the low water cuto

circuit.

Fill water reservoir.

Pump motor hums when switch is turned

on but does not pump water.

Obstruction in impeller.

Remove object(s).

Pump motor failure.

Replace pump.

Breaker trips or fuse blows when switch is

turned on.

Check power cord length and breaker rating.

Refer page 1 for cooler amperage draw and to determine required

cord gauge and circuit size.

Check for locked up pump.

Replace pump.

Pump runs but does not pump water.

Air lock in outlet side of pump.

Turn o and on to bleed.

Ensure the impeller is turning in pump.

If not, replace pump.

14

MAINTENANCE

Spring cleaning

☑ Remove the cooling media and clean out any debris in the water pan at the bottom of the cooler.

☑ Remove the distribution tube from the mounting clips. Remove the plug at the end of the tube and

ﬂush out. Clean the distribution holes with a small brush and ﬂush with water to verify all holes are

clear.

☑ If the cooling media is heavily stained with minerals or is damaged, replace the media. Replacement

cooling media is available at bigassfans.com. Verify the media is installed correctly with the arrows

on the side.

☑ Connect the water line and turn on the water supply. Check the ﬂoat valve and make sure it is

operating properly. Verify that the ﬂoat valve is shutting the water o before walking away.

☑ Switch on the fan motor and pump. Make sure the cooling media is being evenly saturated with

water by using the ﬂow control valve to adjust the water ﬂow. Small dry streaks are acceptable.

Mid-summer checkup

☑ Make sure the ﬂoat valve is working properly. If the valve sticks, the water will run continuously and

ﬂood the reservoir. If this occurs, install a new ﬂoat valve or contact Customer Service.

☑ Check all other working parts for cracks or damage, including the pump, fan motor, and fan belt.

☑ Check the condition of the cooling media. The cooler runs most eciently when the media is clean.

If the media has a heavy accumulation of mineral deposits, replace it.

☑ Use the drain valve to empty the reservoir. Remove any debris.

Winterize

☑ Clean the minerals from the reservoir. Vinegar can be used to dissolve buildup. Flush out the

reservoir through the drain plug.

☑ Inspect the water distribution tube for clogged holes. Clean as necessary.

☑ To prevent freezing in the cooler’s water line, disconnect the water supply, and then open both

valves on the side of the cooler to dry out the reservoir.

☑ Use a storage cover to protect your cooler and keep it clean.

CONTACT US

Customer Service

2348 Innovation Drive

Lexington, KY 40511

USA

877-244-3267

bigassfans.com

www.bigassfans.com/support

Accessories and Replacement Parts

www.bigassfans.com

FRANÇAIS

LISEZ ET CONSERVEZ CES INSTRUCTIONS

DANGER

DANGER indique une situation imminente dangereuse qui, si elle n'est

pas évitée, ENTRAÎNERA une blessure grave ou mortelle.

AVERTISSEMENT

AVERTISSEMENT indique une situation potentiellement dangereuse

qui, si elle n'est pas évitée, PEUT entraîner une blessure grave ou

mortelle.

ATTENTION

ATTENTION indique une situation potentiellement dangereuse qui,

si elle n'est pas évitée, PEUT entraîner une blessure mineure ou

modérée.

IMPORTANT

IMPORTANT indique une situation potentiellement dangereuse qui, si

elle n'est pas évitée, PEUT entraîner des dommages matériels.

Guide d'installation

Rév. E

02/01/2021

Une installation, livraison ou un entretien inadéquats, y compris, mais sans s'y limiter n'importe laquelle des actions suivantes par le client

ou un agent du client constituera une violation des garanties et cela aura pour eet de les annuler toutes:

• Le fait de ne pas suivre les procédures d'installation requises précisées dans ce guide d'installation et dans toute autre

documentation fournie avec les ventilateurs et l'équipement connexe incluant la documentation fournie par le fabricant du ventilateur

et des composants de commandes individuels;

• Le fait de ne pas suivre tous les codes et règlements applicables incluant, sans toutefois s'y limiter, le National Electrical Code (États-

Unis), les codes de l'électricité nationaux ou locaux applicables et les codes du bâtiment de l'État ou locaux;

• Le fait de ne pas suivre les normes industrielles de l'électrotechnique sur la méthode approuvée pour l'installation de l'équipement

électrique ayant les caractéristiques des ventilateurs, des commandes du ventilateur et leurs composants connexes, même si ces

normes ne sont pas mentionnées spéciﬁquement dans toutes les instructions ou toute la documentation fournie par Big Ass Fans ou

par les fabricants.

Toutes les maques de commerce utilisées dans le présent document appartiennent à leurs propriétaires respectifs. Aucune partie de ce

document ne peut être reproduite ou traduite dans une autre langue sans en avoir préalablement obtenu l'autorisation par écrit de Big

Ass Fans. Les renseignements contenus dans ce document peuvent être modiﬁés sans préavis. Pour obtenir les renseignements les plus

à jour, consultez le guide d'installation imprimable en ligne au www.bigassfans.com

Brevet: www.bigassfans.com/patents • www.bigassfans.com/product-warranties

Instructions originales en anglais www.bigassfans.com/support

IMPORTANTES CONSIGNES DE SÉCURITÉ

L'appareil n'est pas destiné à une utilisation par des enfants ou par des personnes ayant des capacités

physiques, sensorielles ou mentales réduites, ou un manque d'expérience ou de connaissances, à moins

d'obtenir la supervision et les instructions nécessaires.

Il est important d'indiquer aux enfants supervisés de ne pas jouer autour de l'appareil.

Altitude maximale: < 1000m

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