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7.2  Removing the cooling pads 

Before your start, make a note of the direction of the angle of the pads flutes 

(see side 

of pads).

 You must put pads back in correct order for your unit to function  

effectively. (Note: Install steep side 45° angle flute to the back of unit.) 

Once the retaining angle bar is removed from the top of your QuietCool unit, reach to the  

top of the dry cooling pad to the left and gently take hold of the top of the pad and gently  

pull back and slightly down – this action will loosen the pad from the unit. Look at the direction of the angle of the pad  

flutes 

(side of pads

). Remove the cooling pad and proceed to the next pad. Then, remove all cooling pads and gently set in a  

safe place. Note: this is a good time to take the cooling deck pads outside and run clean water over the pads to remove any  

accumulated dirt and debris. 

Do not use high pressure hose

 – this will damage pads and their ability to function effectively.  

Make sure the pads are thoroughly dry before placing back inside the unit. Full exposure to the sunlight is a good way to dry  

the pads while helping remove mold and mildew. 

 

7.3  Daily maintenance 

15 minutes before quitting time – turn off the water pump and let the fan run 10 – 15 minutes – to dry out the cooling pads 

before leaving. Inspect the cooling pads to make sure they are thoroughly dry (this action helps to reduce mold and mildew) 

when pads are completely dry then turn-off fan. 

 

7.4  Periodic maintenance 

Depending upon your environment and how often you operate your QuietCool will depend on how dirty your water gets in 

the reservoir and how often you will need to clean it. If you begin to detect an algae smell coming from your unit – it’s time 

to  flush  your  QuietCool  reservoir  with  fresh  water.  Refer  to  and  follow  the  steps  above  in  7.2  and  you  will  only  need  to 

remove 1 or 2 of the cooling pads from the left side of the unit to gain access to your water reservoir. Take a small sponge 

and clean out your water reservoir with a light cleaner and wipe it down completely and let the unit dry.  (You may want to 

use a wet / dry shop vacuum to clean out unit). When unit is clean replace your cooling pads (make sure flutes are facing 

correct  direction)  retaining  bar  and  bolts  and  add  fresh,  clean  water  back  to  the  units’  water  reservoir.  Note:  If  smell 

continues after restarting the unit you may want to add QC Tabs (which help to reduce algae, mold and mildew) you can get 

the QC Tabs by ordering from the QuietCool order form found  in section 9.0. Simply follow instructions on the label. You 

may want to consider a Water Stabilizer to remove harmful calcium, scale build-up and algae – see section 9.0. 

Note: You may want to remove most of water from water reservoir by attaching a garden hose to the drain valve and place 

the end of the garden hose into a drain then, running pump until sump is dry – shutting off pump immediately.  

Warning! Do not run pump without water in the reservoir.

 This action will burn up your QuietCool’s water pump. 

 

7.5 QuietCool Trouble Shooting Guide 

 

Problem                                       

 

 
1.  Water on the Floor 
A.  Front of unit . . . 
       
 
 

 

Cause

 

 
 
Too much water. 
 
 
 

 

Solution

 

 
 
Reduce the water flow with the water control 
valve located on the front of the unit. Note: 
Close the valve all the way – then open 1 ¼ 
turns. QuietCool units usually operate at peak 

 

Summary of Contents for QC48B2

Page 1: ...e Cooler Owner s Manual This Manual covers the QC48B2 QuietCool Portable Evaporative Cooler QC48B2 QuietCool 48 Belt Drive 2 Speed Optional Cover for storage protection See section 9 0 for details and...

Page 2: ...ufactured for another voltage frequency configuration See manufacturer s label on cooler A ground fault circuit interrupter protected circuit is strongly recommended WARNING Check your units electric...

Page 3: ...water flow 5 4 Turn on Fan 6 0 Daily Operating procedures 6 1 Turn on pump 6 2 Adjust water flow 6 3 Turn on fan 6 4 Turn off unit 7 0 Maintenance 7 1 Access inside of unit 7 2 Removing the cooling me...

Page 4: ...ling Works Keeping in mind that regular fans only circulate same temperature air same humidity your QuietCool portable evaporative cooler takes that same existing air combines it with evaporating wate...

Page 5: ...ally make sure there are no obstructions between your QuietCool and the people area you need to cool 5 1 Filling the units reservoir with water Once your water hose is connected open the water flow va...

Page 6: ...pad wetness with the water control valve turned on at 1 turns You must determine what works best for you and your specific environment 6 2 Adjust water flow Your QuietCool operates most efficiently an...

Page 7: ...on how dirty your water gets in the reservoir and how often you will need to clean it If you begin to detect an algae smell coming from your unit it s time to flush your QuietCool reservoir with fres...

Page 8: ...ssary Push bottom of cooling pads gently inside to stop leaking Check you pressure Max water pressure is 413 KPA 60 p s i adjust water supply valve to 1 turns or install a water pressure regulator fou...

Page 9: ...completely and wipe dry Replace dry cooling pads Replace top angle bar to hold pads in place Store QuietCool in dry clean area and cover you can order a QCCover for your unit see section 9 0 to preven...

Page 10: ...chemical water treatment tablets that stops scale and calcium deposits associated with hard water Adds life to vital cooler equipment increases cooling efficiency and ends swampy odors Treatment 2 tab...

Page 11: ...ributor or Quietaire Cooling Inc for all Accessories Replacement parts This will assure that we are able to help you with the correct part the first time QCPUMP Replacement Pump for all 48 units Simpl...

Page 12: ...nt Automatically adjusts water level TR798 List 16 00 each Inline filter Catches large debris in water line to cooling pads 12Filter List 23 00 each Replacement Caster Straight Wheel Sold in set of 2...

Page 13: ...13 12 0 Wiring Diagrams for the 48 unit...

Page 14: ...the defective product or part damages due to removal or any expenses incurred in shipping the product of part to or from Quietaire Cooling plant or the installation of the repaired or replaced produc...

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