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4.1  Connecting the electrical supply 

All QuietCool models require regular 3 prongs, ground with 120 volt power supply. Plug electrical cord into receptacle. If 

using an extension cord be sure it is rated for at least 20 amps for the distance your cord is running. To be safe – make  

sure no other equipment is plugged into the same circuit. The QuietCool should run smoothly on 20 amp, 120 volt, and 60 

Hz circuit.  

 

4.2 Connecting the water supply 

Connect  standard  water  hose  to  female  fitting  on  the  right  side  of  your  QuietCool  (looking  at  the  fan  blade  side).  If  your 

water  pressure  is  above  60  pounds  per  square  inch  (p.s.i)  you  must  use  a  pressure  regulator  (which  can  be  found  at  your 

local hardware store). If you have purchased our optional QR60 gallon reservoir tank  – simply attach the garden hose from 

the tank to the cooler. 

Note:

 Do not connect to water source exceeding 60 p.s.i. – this can cause damage to your QuietCool. 

 

5.0  Operating procedures 

Back  your  QuietCool  unit  up  to  a  fresh  air  source 

such  as  an  open  door  or  window  so  the  unit  can 

pull in fresh air from the outside. Next,  make sure 

you  have  a  natural  exhaust  at  the  opposite  end  of 

the  room,  bay  or  building  such  as  a  window,  door 

or bay door. This  will ensure  maximum efficiency 

from  your  unit.  Finally  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 valve (located on the front of your unit) only one and a quarter (1 

1/4) turns. 

This water flow valve adjusts the amount of water to the unit.

 Next, turn water on and fill the reservoir with water. 

Listen  carefully.

  You  can  hear  water  filling  the  reservoir.  Check  your  water  connection  –  make  sure  there  is  no  dripping. 

Once the reservoir is filled with water the float valve will automatically shut off the water source. When you no longer hear 

the water running – you know that the float valve is fully  

operational (the water turns off automatically) and you are now ready to turn on the  

water pump. 

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

 

 

5.2  Turn-on pump  

To turn-on the water pump - flip the toggle switch for the water pump to on. Switch is  

located on front side of unit. 

Warning! Do not run water pump without water in the  

reservoir

. The water pump will now begin pumping water to the top of the unit so that  

gravity will allow the water to run down the backside of unit inside and on the cooling  

pads. (If the water is dripping off of the pads on to the floor – close the flow valve a  

 

 

QC48” Air Flow Pattern. 

 

 

Top: Water control valve – controls water to 
to units water reservoir. Open 1 ¼ turns. 
Bottom: Water hook-up for cleaning and 
flushing water reservoir.  
 

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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