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little to slow the water flow. After the pads are wet – you can open the valve to 1 ¼ turn. Allow water to run for 10 – 15 

minutes on new cooling pads to totally saturate them with water. Once your units cooling pads are saturated – then, you are 

ready to turn on fan and begin to feel the cooling effect from your new QuietCool. Note: After your cooling pads are broken 

in (typically takes 1 -2 weeks in operation) it will take less time to saturate pads for start-up.  

 
5.4  Turn-on Fan 

Once your cooling pads are wet – you may turn on your QuietCool unit. Now you can begin to feel the QuietCool difference 

in temperature. After your QuietCool has run for 5 minutes or so, visually inspect the pads – if water is dripping outside the 

unit –  you have too  much  water, simply turn the  water flow  valve to the right ½ turn and inspect  water  flow in another 5 

minutes. If there are dry streaks in the cel deck pads open the water flow valve handle ½ turn to increase water – check water 

flow in another 5 minutes and adjust accordingly. Most QuietCool operations work effectively with valve opened between 1 

½ - 2 turns. This water valve is efficient – it requires minimal turning. 

 

6.0  Daily Operating procedures 

6.1  Turn-on water pump 

Turn on water pump to unit – let cooling pads get saturated – then turn on fan for cooling. Adjust the water flow –  

Your QuietCool operates most efficiently – and maintains uniform cooling pad wetness with the water control valve turned 

on at 1 ¼ turns. You must determine what works best for you and your specific environment. 

 

6.2  Adjust water flow 

Your QuietCool operates most efficiently – and maintains uniform cooling pad wetness with the water control valve turned 

on at 1 ¼ turns. You must determine what works best for you and your specific environment. 

 

6.2  Turn on fan 

When you can see that the cooling pads are saturated with water – turn on the fan and feel the cooler air coming from your  

QuietCool unit. Adjust the fan speed for your comfort. 

 

6.4  Turn-off unit at end of day 

15 minutes before closing for the day – turn off water pump with toggle switch – leave fan running – this action will shut-off 

water to the cooling pads while keeping the fan running. The fan will dry out the  cooling pads. When the cooling pads are 

thoroughly dry – turn off fan. Drying your cooling pads thoroughly - everyday will help prevent mold and mildew growth, 

plus it will prolong the life of your cooling pads. 

 

7.0  Maintenance  

7.1  Access inside of unit 

Turn-off water pump and let the fan continue to run until the cooling pads are thoroughly dry (about 10 – 15 minutes). Once 

your cooling pads are completely dry you may turn-off fan. Now unplug electricity to unit to avoid unnecessary shock. Next, 

using a 7/16” wrench – remove the two retaining bolts from the backside and topside (cooling pad side) of the unit. These 

two bolts hold the  metal angle retaining bar and the  cooling pads in place. Next, remove the angle retaining bar and set to 

side. Now you are ready to remove your unit’s cooling pads. 

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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