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QuietCool QC36B1XHL - User Manual

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1
36” QuietCool
Portable Evaporative Cooler
Owner’s Manual
This Manual covers all of the following QuietCool Portable Evaporative Coolers.
QC36D1 – QuietCool 36” Direct Drive 1 Speed
QC36DVS – QuietCool 36” Direct Drive Variable Speed (shown above)
QC36B1 – QuietCool 36” Belt Drive 1 Speed ½ HP
QC36B1X – QuietCool 36” Belt Drive 1 Speed ¾ HP
QC36B3 – QuietCool 36” Belt Drive 3 Speed
QC36B1XHL – QuietCool 36” Belt Drive 1 Speed ¾ HP – Explosion Proof
Optional Cover for storage protection.
See section 9.0 for details and a
convenient Fax Back Order form.

Table of Contents

Questions and Answers

  • K
    Kevin HillAug 7, 2025
    What to do if QuietCool Air Conditioner has no water running over the pads?
    • J
      Jodi PowellAug 7, 2025
      First, ensure the water flow valve is open; QuietCool units typically perform best when the valve is open 1 1/4 turns. Check that the main water supply valve is open and the pump switch is on. Also, the water filter may be clogged. To resolve this, remove the cooling pads, open the back of the unit, access the water filter, remove and clean the filter screen, then replace it and try again.
  • A
    Alison GibbsAug 18, 2025
    How to fix water on the floor from QuietCool Air Conditioner?
    • Y
      Yolanda JenkinsAug 18, 2025
      If there's too much water, reduce the water flow using the control valve on the front of the unit, closing it completely and then opening it 1 1/4 turns. (QuietCool units usually operate at peak performance at 1 1/4 turns). Check for cracks in the blue polyethylene housing and repair as needed. Search for leaks and repair as necessary. If leaking is from the bottom of the pads, gently push the bottom of the cooling pads inside to stop it.
  • J
    John YoungAug 28, 2025
    How to eliminate foul odor from QuietCool QC36B1XHL Air Conditioner?
    • W
      Wesley ButlerAug 28, 2025
      If it's a new unit, the odor is likely temporary from the thermosetting resin on the new pads. Drain and refill the unit several times in the first week to reduce this smell. For ongoing odor issues, add QC Tablets to reduce smell and algae. Water should be drained about once a month or sooner, depending on your specific working environment and water quality.

Summary

Introduction

Quick Start

Quick Start information is located inside the information packet shipped with your unit.

Evap-O-Matic - Chemical Water Treatment

Operate unit 2 weeks, flush old water, add clean water, then add Chemical Water Treatment tablet.

How Evaporative Cooling Works

Unpacking Your New QuietCool Unit

Set-Up Your QuietCool Unit

Connecting the Electrical Supply

Requires 3 prongs, ground, 120 volt power supply. Use a 20 amp, 120 volt, 60 Hz circuit.

Connecting the Water Supply

Connect standard water hose. Use pressure regulator if pressure exceeds 60 p.s.i.

Operating Procedures

Filling the Units Reservoir with Water

Connect hose, open valve 1 1/4 turns. Fill reservoir until float valve shuts off water.

Turn-on Pump

Flip toggle switch to on. Pump starts water to top of unit for cooling pads.

Turn-on Fan

Turn fan on once pads are wet. Adjust fan speed for comfort. Check for dripping outside unit.

Daily Operating Procedures

Turn-on Water Pump

Turn on pump, then fan to low, let pads saturate, then fan on high. Adjust water flow for efficiency.

Adjust Water Flow

Operates most efficiently with water control valve at 1 ½ turns. Determine best setting for environment.

Turn on Fan

Turn fan on high when cooling pads are saturated. Adjust fan speed for comfort.

Turn-off Unit at End of Day

Turn off pump 15 mins before closing, leave fan running to dry pads. Turn off fan when pads are dry.

Maintenance

Access Inside of Unit

Turn off pump, run fan to dry pads. Unplug unit, remove retaining bolts to access cooling pads.

Removing the Cooling Pads

Note pad flute direction. Remove retaining bar, gently pull pads out. Clean pads with water, dry in sunlight.

Daily Maintenance

Turn off pump, run fan 10-15 mins to dry pads. Inspect pads for dryness. Turn off fan when dry.

Periodic Maintenance

Flush reservoir if algae smell detected. Clean reservoir with light cleaner. Add Evap-O-Matic tablets.

Troubleshooting Guide

Water on the Floor

Addresses leaks at the front or back of the unit due to water flow or housing damage.

Water on Floor After Overnight Shut Off

Troubleshoots water on floor after shut off due to excessive pressure or stuck float valve.

Foul Odor from Fan

Addresses new unit odors or odors from poor water quality. Recommends flushing and tablets.

No Water Running Over the Pads

Troubleshoots issues like closed water flow valve, no water supply, or clogged filter.

Scale Build-up on Cooling Pads

Addresses scale build-up from hard water. Recommends tablets or stabilizer.

Storage

Accessories

Replacement Parts

Water Pump Replacement

Replace the existing water pump with a new unit.

Float Valve Replacement

Replace the float valve to automatically adjust water level in the reservoir.

Inline Filter Replacement

Replace the old filter screen to catch debris in the water line.

Caster Replacement

Replace 4" rigid or swivel casters for unit mobility.

Cooling Media Replacement

Replace the cooling pads, a set of 5 cross corrugated angle fluted cellulose material.

Order Form

Wiring Diagrams

QC36 D1 - 1;2 HP 1 Speed Wiring Diagram

Electrical schematic for the 36" Direct Drive 1 Speed model.

QC36 DVS - 36 Variable Speed Wiring Diagram

Electrical schematic for the 36" Direct Drive Variable Speed model.

QC36 B1; QC36 B1 X - 1;2 HP & 3;4 HP 1 Speed Wiring Diagram

Electrical schematics for the 36" Belt Drive 1 Speed models.

QC36 B1 XHL - 3;4 HP One Speed Explosion Proof Wiring Diagram

Electrical schematic for the 3/4 HP Explosion Proof Belt Drive model.

QC36 B3 - 1;2 HP Three Speed Wiring Diagram

Electrical schematic for the 1/2 HP Three Speed Belt Drive model.

Warranty

Warranty and Disclaimer

Details the limited warranty coverage, exclusions, and disclaimers for Quietaire Cooling products.

Limitation of Remedy and Damages

Outlines the procedures for making warranty claims and limits on remedies and damages.

Technical Advice and Recommendation

Disclaims liability for technical advice and recommendations provided by Quietaire Cooling.

QuietCool QC36B1XHL Specifications

General IconGeneral
BrandQuietCool
ModelQC36B1XHL
CategoryAir Conditioner
LanguageEnglish

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