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Operating Instructions and Parts Manual 

24887

4,500 CFM 3 SPEED 

 EVAPORATIVE COOLER

1/18

2018 OEMTOOLS

ASSEMBLY INSTRUCTIONS

The OEMTOOLS

 24887 4,500 CFM 3 Speed Evaporative Cooler is pre-

assembled. Carefully remove the Evaporative Cooler from the Box. Install 

the (4) casters.

PREPARING FOR OPERATION

IMPORTANT: 

Read and understand the provided safety instructions prior 

to operation.
1.  Before attempting to use, inspect the filter for dirt, dust or residues. 

Cooling pads that have accumulated build-up will impede cooling 

performance.

2.  To operate effectively, position the unit in front of an open door or 

window. Ensure the unit is placed on a flat, level surface with the 

casters in the locked position.

3.  Open another door or window to provide proper ventilation for the unit.

MANUAL FILL

1.  Depress the Fill Door located on the front of the unit below the louvers 

(the Fill Door features a spring lock, and will release when pressed).

2.  Fill the Water Tank using a hose or bucket. Monitor water level using 

the Fill Gauge.

3.  Press the Fill Door closed (the spring lock with re-engage).

AUTOMATIC FILL CONNECTION

NOTE: 

This unit features a float valve and automatic shut-off function. 

This allows the unit to remain connected to an open water source for a 

continuous flow of water. The operator may also fill the Water Tank to 

capacity (or desired level) prior to running the unit, and then close the 

water source.
1.  Attach the provided Pigtail Adapter to the Water Inlet.
2.  Connect one end of the provided Coil Hose to the Pigtail Adapter.
3.  Connect the other end of the Coil Hose to a water supply. Ensure that 

both connections are water tight.

OPERATING INSTRUCTIONS 

1.  Plug the unit into a grounded 110-120V AC outlet.

NOTE:

 This Evaporative Cooler is equipped with a UL Ground Fault Circuit 

Interrupter (GFCI) Plug. This UL GFCI Plug is designed to interrupt power 

to the unit if current follows an unintended path. This feature is a safety 

measure to reduce risk of electric shock to the operator and electrical 

damage to the Evaporative Cooler. If the circuit is tripped, press the Reset 

Button located on the plug head. If the Reset Button will not engage and 

power is not restored, discontinue use, see the troubleshooting section for 

further instruction. 
2.  Open the water source to fill the Water Tank. Monitor water level using 

the Fill Gauge; allow the Water Tank to reach 50% capacity.

 

WARNING

:

 Water Inlet pressure should not exceed 50 PSI. Higher 

pressure may lead to product failure and property damage.
3.  Switch the Power to ON.
4.  Switch the Pump to ON. Allow to run for 2-3 minutes to saturate the 

Cooling Pads with water.

NOTE:

 The pump will automatically shut-off when the water level is low.

5.  Switch the Fan to the first speed setting. Allow to run at the first speed 

setting for 2-3 minutes. Increase the speed of the fan to the desired 

setting: Off, Low, Medium and High. 

6.  To oscillate airflow, switch the Swing Setting to ON. 

SHUTDOWN INSTRUCTIONS

1.  Close the water source.
2.  After the Water Tank has emptied, switch the Pump to OFF.

NOTE:

 See Draining Instructions if the Water Tank is not empty.

3.  At the end of each day of use, allow the Fan to run for about 20 

minutes to dry the Cooling Pad(s). 

4.  Switch the Fan to OFF.
5.  Switch the Power to OFF.
6.  Unplug the Power Cord from the power source.

DRAINING INSTRUCTIONS

1.  Turn the Power to OFF, and ensure the unit is not plugged into a power 

source.

2.  Move the unit outdoors or position the unit over a drain.  
3.  Unscrew the Drain Cap from the Drain Assembly. Allow the water to 

completely drain from the Water Tank. 

4.  Replace the Drain Cap to the Drain Assembly.

STORAGE 

Store the Evaporative Cooler in an upright position and in a clean, dry 

area. DO NOT store near flammable items or open flames. 

DISPOSAL

At the end of the useful life of the OEMTOOLS

 24887 4,500 CFM 3 

Speed Evaporative Cooler, dispose of the components in accordance with 

all federal, state and local regulations.

PRODUCT MAINTENANCE 

 

WARNING

:

 Unplug this unit from the power source before 

performing product maintenance. 

 

WARNING

:

 DO NOT use water to clean the Fan, Electrical 

Components or Control Panel. 

 

WARNING

DO NOT attempt to perform product maintenance on 

the motor or electrical systems. If there is any doubt that this unit can 

perform safely, immediately discontinue use and contact customer 

service.
1.  Dirt and debris will settle at the bottom of the Water Tank. To optimize 

performance, it is recommended that the Water Tank is cleaned 

monthly.

2.  To maintain high air quality, it is recommended that the water is 

flushed from the Water Tank daily. 

3.  Inspect the cooling pads prior to each use. If dirt, debris or build-up is 

present, remove the cooling pad and gently wipe clean. Replace the 

cooling pad to the unit. 

NOTE: 

The Cooling Pads are constructed with a special resin impregnated 

craft paper specifically designed for this evaporative cooler. If the unit 

is used in accordance with this product manual, and the cooling pads 

are properly maintained, they will last several years (under normal 

circumstances).

PRODUCT LAYOUT

ITEM DESCRIPTION

QTY. ITEM DESCRIPTION

QTY.

A

Control Panel

1

I

Fill Gauge

1

B

Oscillating Blades

11

J

Cooling Pads*

2

C

Fan

1

K

GFCI Plug*

1

D

Vertically Adjustable Louvers 11

L

Water Inlet*

1

E

Manual Fill Door

1

M

Pigtail Adapter*

1

F

Water Tank

1

N

Coil Hose*

1

G

Swivel Caster

2

O

Water Drain Assembly* 1

H

Locking Caster

2

G

F

E

D

C

B

A

I

H

*Not Shown

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