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Hessaire MC91 Manual

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Evaporative cooling
works on the principle
of heat absorption by
moisture evaporation.
Simply put, heat is
removed from the air as
water evaporates. You
feel this principle in
action when you step out
of a swimming pool or
shower and feel cool as
water evaporates from
the surface of your skin.
Your evaporative cooler
works on the same
principle. The fan pulls
hot outside air through
the wet cooling pads,
where the air is cooled
by evaporation and then
discharged from the
cooler.
Manual for MC91
SETUP INSTRUCTIONS

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Summary of Contents for Hessaire MC91

  • Page 1 Your evaporative cooler works on the same principle. The fan pulls hot outside air through the wet cooling pads, where the air is cooled by evaporation and then discharged from the cooler. Manual for MC91 SETUP INSTRUCTIONS...

  • Page 2: Read This First

    We have parts and expert support that can help you. We value your business and are here to help. We can ship any replacement or warranty parts to you quickly so your Hessaire mobile cooler can keep you cool.
  • Page 3 Use all precautions and disconnect from power source before performing any maintenance. Getting started Tools / Materials Contents: Needed: Evaporative Cooler Drill with #2 Phillip’s bit Hardware Bag (1) Or Phillip’s head Casters (4) screwdriver Operating Instructions Evaporative cooling works on the principle of heat absorption by moisture evaporation. Simply put, heat is removed from the air as water evaporates.

  • Page 4: Evaporative Cooler

    3. Return transportation costs. All return transportation costs are the responsibility of the purchaser. Damaged Shipments: Hessaire is not responsible for damaged shipments or shortages resulting from carrier mishandling. Notify your carrier’s office immediately to file a claim. Keep damaged goods and containers for inspection until advised by the carrier as to disposal.

  • Page 5: Section 3 Getting Started

    Section 3 Getting started Key Operational Points: 1. Your cooler must be positioned in front of an open window or door if it is to operate effectively. 2. Always ensure that there is another open window or door through which the air can exhaust from the room.
  • Page 6 Safety Rules 1. Read and follow all instructions, cautions, and warnings. Failure to do so could result in personal injury, death or property damage. 2. Unit must be in the OFF position and UNPLUGGED from power receptacle before performing any maintenance. 3.
  • Page 7 Hessaire Coolers are pre-assembled and ready to operate. Simply remove the packaging and then carefully remove the unit from the box. Install Casters. Lock the 2 locking wheels before filling and turning on fan to keep the cooler from moving from the air velocity.
  • Page 8 Connecting to a power supply. Plug the Hessaire cooler into any 115 volt power supply. It is permissible to use extension cords when needed. It is not recommended to use a GFCI circuit usually found in garage or patio areas. These outlets/circuits are sensitive and may trip inadvertently to the cooler in normal operation.

  • Page 9: Cooler Maintenance

    Section 4C Using the Control Switches Mechanical Version Rotary Switch/Motor Speed Has 4 positions. (Clockwise from OFF) OFF, LOW Fan Only, MED Fan Only, HI Fan Only. Pump Switch Controls the pump Middle Rocker Switch Controls the fan Oscillation Power Switch Controls power to the main controls, it will be lit when it is in the ON position, dark when OFF.
  • Page 10 At regular intervals your Hessaire Mobile cooler should be shut down and disconnected from power supply. The water tank should be drained of dirty water and sprayed out with fresh water and refilled. The more you do this the better it will work and less calcium will develop on pads or other surfaces.
  • Page 11 Removal and Replacement of Xel50 Cooling Media. The cooling pads are made from a special resin impregnated craft paper specially designed for evaporative cooling. They will last many years if maintained properly and water quality is maintained. It is not necessary to remove the pads to clean them. Inspect the pads for deposits of calcium on the air entering side.
  • Page 12 and cabinet. The rear panel will have to be removed to adjust the float (if the water level is too high or too low) or remove and replace a float that has failed to shut of water supply. Note: Be sure that the PSI of the supply water is within the 50 PSI spec.
  • Page 13 Parts Parts name number Media Panel 6091004 Water Pump 6018050 Motor 6018051 Fan Blade 6018052 Rigid Media 6018053 Switch of Motor 6091054 Switch of Power 6091055 Oscillator Motor 6018057 Water Level Float 6018059 Caster Non- 6018061 Locking Caster Locking 6018062 Media Keeper 6091063 Water Tank...
  • Page 14 QUICK TROUBLESHOOTING TABLE Problem Cause/Remedy 1. Cooler fails to work at all 1.1 Check that the unit is plugged properly. 1.2 Check the POWER switch, push it to "ON". 1.3 The TIMER switch is "OFF", turn it to "ON". 1.4 Make sure cooler is not plugged into a tripped GFIC outlet. If so, reset GFCI or move to non GFCI outlet.