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MasterCool® MCP44 Evaporative Window Cooler

Operating and Installation Instructions

Congratulations on your purchase of the MasterCool® MCP44 plastic evaporative cooler. This unit is manufactured with the intent of offering you years of reliable, efficient cooling.

NOTE: READ THESE INSTRUCTIONS BEFORE INSTALLING THE COOLER. Follow the installation instructions in this manual carefully. Varying from them may create safety concerns and will void the warranty.

Safety Instructions

1.Use only with 110V 60 Hz single phase grounded outlet.

2.Ensure cooler is turned OFF and UNPLUGGED before installing, servicing or cleaning the unit.

3.Do not operate unit with damaged cord or plug, or with any other damaged or missing parts.

4.Do not run cord under carpeting. Do not cover cord with throw rugs, runners, or similar coverings. Do not route cord under furniture or appliances. Arrange cord away from traffic area and where it will not be tripped over.

5.Do not operate cooler with the rear media guard removed.

6.Do not use an extension cord to operate cooler.

7.Do not use an adapter to convert the three pin connector for use in an ungrounded 2 prong outlet.

8.DO NOT use with a solid state speed control device. Violation of this could cause fire or electrical shock.

9.Do not alter or modify this cooler.

10.Repairs or replacement of electrical components should only be carried out by qualified electricians.

11.Do not allow children to install, service, or operate the cooler.

Español Manual………………………………………………..……………………….……………………….. 15 Maintenance Log …………………………………………………………………….……..………………….. 28

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Note About Evaporative Coolers:

Ventilation:

Unlike traditional air conditioners, evaporative coolers require an open ventilation system, not a closed system. Both a fresh air source and an exhaust opening are required to provide correct air flow. Typically, a partially opened window or door in each room where cooling is desired will create correct airflow for optimum effectiveness of an evaporative cooler.

NOTE: For best results, open windows/doors should not be on the windward side on the house.

Water bleed or purge:

Evaporative Coolers require a continuous supply of water to keep the media saturated for maximum cooling. Water pumped into the cooler must be removed from the unit to ensure mineral and bacteria build-up do not occur. This can occur with a gravity-fed steady bleed off stream or a timed purge system via a pump.

CAUTION: Water expelled from the cooler must be routed away from any areas that could do damage to foundations or other vulnerable areas.

NOTE: Drawings in this manual are for illustrative purposes only and may reflect slight differences depending on design level and configuration.

Features of the MasterCool® MCP44 Window Cooler

This cooler’s housing and frame are made of heavy-duty U-V resistant plastic to provide a light weight, easily installable cooler. The unit is constructed in two basic sections to facilitate quick installation into traditional sash windows or slider windows.

The high-efficiency rigid media offers superior cooling over other types of evaporative coolers.

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NOTE: BEFORE INSTALLING UNIT, TAKE A MOMENT TO RECORD THE SERIAL NUMBER AND WRITE IT ON THE MANUAL COVER IN THE SPACE PROVIDED.

INSTALLATION PROCEDURES

WARNING: Do not connect electrical power to the unit until the installation is completed.

The MasterCool MCP44 cooler can be installed in a sash-style or a sliderstyle window. Alternatively, this unit is approved for in-wall installations.

In all installations, the following clearances are required:

NOTE: Ensure the location selected for installing the unit is strong enough to support the unit and will accept the mounting hardware. The operating weight of the cooler is 93 pounds.

NOTE: A minimum of two people is required for installation.

Parts Included:

Cooler Unit

Mounting brackets (4)

Accordion spacers (2) Hardware kit

Tools & Materials Required:

Drill (power or cordless)

Assorted drill bits (for drilling pilot holes for mounting hardware)

Adjustable Wrench

Phillips Head Screwdriver

Silicone or all-weather caulk for sealing infill panel to window frame

Length of ¼” copper or plastic tubing

Sillcock valve

Bubble level

spacer material (as required)

Cooler Assembly

Remove unit from box. Verify that all parts are included. 1. Remove all packing materials.

CALL 1-800-643-8341 IF YOU FIND PARTS MISSING OR HAVE ANY QUESTIONS

Mastercool Swamp Cooler Manual

2.With the unit in an upright position, remove 4 screws holding the back media guard, separate front and back sections. Pull the fan assembly forward (about 6”) until it is fully engaged with the mating part and secure in place using the 12 supplied screws. Verify that assembly is secure to prevent vibration between the two sections.

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Installation in Window

1. Remove screen and make sure window is opened to its maximum height. From the exterior of the window, slide the fan assembly section into the window. Have the person on the interior adjust the exact placement of the unit for aesthetics and correct lengths of the two accordion spacers (included).

Note: After identifying the position for installation, place a bubble level on top of the unit and make adjustments to ensure the unit will be level when installation is complete. It is recommended to verify unit is level at various points during installation.

2.Closing the window may help hold the unit in place during the following steps – Push the unit into the window until the bottom is flush with the outside wall or spacer (not supplied) as shown in the illustration.

3.Make sure unit is level. From the interior, locate the two tracks on the bottom of the fan assembly. Drill pilot holes as necessary and install the two window sill brackets as shown in illustration.

4.Secure the top of the fan housing to the window frame with two additional brackets and screws.

5.From the outside, secure the unit to the exterior wall (or spacer) with two screws at the base of the back cover (as shown in illustration.) Complete the installation of the exterior portion with two screws at the top of the back media guard.

6.With the unit now installed in the window, attach one accordion spacer to each side of the fan assembly using the adhesive backed edges. Short screws(not included) can be used for a more secure installation. (Make sure screws do not interfere with fan blade)

7.Once accordion spacers are installed, seal any gaps around the units with silicone or all weather caulk.

Installation in Wall

This cooler is approved for in-wall installation. Contact a licensed contractor for having the cooler installed in an outside wall.

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Water Connection

NOTE: A standard sillcock with water valve attached (locally available) will be required to connect the water supply to the cooler.

1.Steady water supply is required for operation of the cooler. If taking water from an external water faucet, install a sillcock and shutoff valve.

2.Install plastic or copper line to sillcock and connect it to the float valve.

Water Pump and Lines

A self-contained water pump continuously circulates water through the water distribution system and over the media.

The pump and water lines are shipped unconnected.

Connect the Water Lines

1. Locate the black water line snapped into plastic keepers inside the unit.

2. Attach the bottom end of the main water line to the pump inlet.

3. Remove the nipple inserted into the end of the overflow line. Push overflow hose into one of the slots in the sides of the overflow drain fitting.

4. Reinsert the nipple into the overflow line.

5. Attach the top of the hose to the water distribution tray.

6.Ensure there are no kinks in the water lines after completion.

Overflow Drain

1.Slide the rubber washer over the overflow fitting and push through the hole in the bottom of the cooler from the top side.

2.Secure the drain from beneath the pan with the Lock Nut. Make sure the rubber washer does not twist while tightening, which could cause it to leak. DO NOT OVERTIGHTEN.

3.If leakage occurs after reservoir is full, retighten the overflow fitting until leaking stops. A small amount of silicone caulk may be used if necessary.

4.Attach a drain hose to the bottom of the fitting if necessary.

Water Level

Two inches of water should be maintained

in the bottom of the cooler to ensure sufficient water for correct operation of the cooler.

The float is factory-installed to maintain a 2 inch level of water, but may require adjustment if shipping or installation has caused the setting to shift.

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Electrical System

The electrical system does not require general maintenance. The following wiring diagram is supplied for reference only.

ELECTRICAL SPECIFICATIONS OF MCP44 COOLERS

Plug-In Thermostat Usage

The MCP44 can be controlled by a plug-in programmable thermostat. These thermostats are locally available, and enable precise timing and temperature control via an electronic thermostat that plugs into a 110 volt outlet. To use such a device with the MCP44, follow the instructions for the specific thermostat and plug the cooler into the outlet on the thermostat.

Optional Purge Pump

In addition to the standard water pump to recirculate water from the reservoir, a purge pump can be installed to evacuate the contents of the reservoir every 6 hours. This helps retard bacterial growth and mineral buildup on the media, extending its life. It also maintains fresher air in the home. The use of the purge pump is actually more economical to use than a continual bleed line. The purge pump kit (P/N MCP44-PPK) for this unit may be purchased locally or online.

Purge Pump Discharge

NOTE: The water ejected at the time of purging will be expelled at a high rate of speed, and must be routed away from the foundation of the home or other areas where rushing water could do damage.

1. Attach a standard water hose to the overflow drain to direct the water away from the house.

NOTE: This water is not potable, but can be used for watering vegetable or flower gardens.

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OPERATING INSTRUCTIONS

The MCP44 has an electronic touch control panel in the upper right hand corner.

Before turning unit on, ensure unit is plugged in, water supply to pump is on, and there is correct ventilation, as shown on page 3 of this manual.

Note: These units may be controlled using the 3 buttons on the front panel of the cooler or with the remote control.

On/Off

This button initiates power to the unit. When first plugged, pressing ON/OFF will start the unit in the default setting (pump ON and Fan on HIGH). After its initial use, the last operating settings (for fan and pump) will be reinstated when the unit is turned on again.

Pressing this button when the unit is already running will turn both fan and pump off.

After A Power Failure: Once power is restored, the unit will restart in the same settings as before power was lost.

Pump

This button toggles the pump on and off. When the LED is lit, the pump is running.

The pump must be on while operating the fan for the unit to operate as an evaporative cooler, though the unit can be used in fan mode without the pump, if desired.

Note: For best results turn on the pump for a few minutes to wet the pads before operating the fan.

Fan

Pressing the fan button cycles the unit from HIGH, to MEDIUM to LOW speeds and then OFF.

Please Note: There is a two second delay from the pressing of the button for the fan to engage or change speeds. This applies to the front control panel and the remote control.

Remote Control

The remote control supplied with this cooler allows you to turn the unit on or off, control fan speed and initiate the pump. The buttons operate in the same manner as those on the front control panel.

The remote control’s range is approximately 20 feet within sight of the cooler. It uses two AA alkaline batteries (included). A wall mountable holder is also supplied with the cooler.

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USER SERVICING INSTRUCTIONS

Maintenance on evaporative coolers is minimal, but very important to the proper operation and effectiveness of your cooler. Periodic inspection of the cooler’s interior will reduce the potential for substandard cooling due to insufficient or uneven water distribution.

NOTE: For general maintenance purposes, the unit may be rapidly drained of water by removing the overflow fitting from the bottom of the unit. This is not adequate draining for winterization (see procedures under Winterization section.)

Mastercool Installation Manual Parts

Annual Maintenance (May be Needed More Often in Areas with Hard Water)

Cleaning

WARNING: Disconnect from electrical power and turn unit off during all maintenance. Turn water supply off before removing back for cleaning or maintenance.

1.Remove the back media guard (as shown below).

2.Inspect pads in place. Remove media pads from back guard by unscrewing the media peg clips. Be careful not to chip or damage the media while removing. Visually inspect both sides of media pads. Look for blockage, mineral build-up or mildew growth, breakage

or other anomalies.

NOTE:

Whenever removing the back from the cooler, always verify the water supply tube is reconnected to the water distribution tray before operating the cooler.

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