HESSAIRE MC92V Mobile Evaporative Cooler User Guide
- June 5, 2024
- HESSAIRE
Table of Contents
HESSAIRE MC92V Mobile Evaporative Cooler
General Safety Precautions
Read and follow all instructions, cautions and warnings. Failure to do so could result in personal injury, death or property damage.
Unit must be in OFF position and UNPLUGGED from power receptacle before
performing any maintenance/service or before REMOVING access panels.
Make sure the electrical power source conforms to the requirement of the
evaporative cooler as well as local codes.
To reduce risk of fire or electrical shock, do not expose electrical
connections to water.
Do not touch electrically live components.
Ensure all power cords do not touch sharp edges, hot surfaces or chemicals.
Immediately replace damaged parts.
Never leave unit unattended. Continuous fill not to be used indoors or
unattended.
Operation Tips
Hessaire coolers are highly recommended for outdoor use. If used indoors,
position cooler in front of window or open door for fresh intake air. Ensure
there is an open door or window through which the air can exhaust from the
room.
Clean media pads and tank frequently. When shutting down unit, run without
pump for 30 minutes to properly dry media pads.
Prior to long term storage: Drain tank and wipe clean Dry and clean rigid
media pads
Indoor Use:
Do Not Use Garden Hose Attachment.
Inspection
After unpacking your cooler, carefully inspect for any dam-age that may have
occurred during transit. Inspect for loose, missing or damaged parts. Note:
wheels & hardware are located inside the cooler tank. Remove back panel to
locate.
Contents: Evaporative Cooler (1), Hardware Bag/Hose Adapter (1), Caster Wheels
(4).
Visit Hessaire.com to request replacement parts if any
of these items are missing.
Note: Media pads may have a slight odor upon initial start up but will go away with continued use.
- Remove 2 Screws From Back Panel
- Pull Bottom Of Panel Out
- Locate & Remove Box Of Casters & Hardware In Bottom Of Cooler Tank
- Tighten Casters To Base Of Cooler
Features
Control Panel For MC92V, M350
Switch for Fan Speeds: 4 Positions (OFF, LOW, MED, HIGH) Switch for Pump:
ON/OFF
Switch for Swing (oscillation): ON/OFF
Maintenance
Cleaning Cooler & Rigid Media Pads:
The removable panel(s) & pads can be gently sprayed off to remove build up. A
soft bristle brush can also be used. NEVER spray pads with water while cooler
is in operation. Damage can occur to the motor and will void the warranty.
Note: Vinegar is recommended for cleaning of cooler and can be
periodically cycled through during normal use.
Removal Of Back Panel:
Disconnect power supply. Remove phillips screws from the upper back side of
cooler.
Push panel up and pull bottom out to remove. 
Storage:
Drain tank and wipe dry. Plug is located on bottom of cool-er. Ensure pads are
dry by running fan without pump for at least 30 minutes.
Visit Hessaire.com for additional maintenance tips and
service videos.
Troubleshooting
| Problem | Cause / Remedy |
|---|---|
| Cooler won’t turn on | Ensure unit is plugged in and switched on. |
| Receptacle breaker may need to be reset. | |
| If unit is equipped with a GFCI plug, reset. | |
| If unit has a timer, ensure it is off. | |
| May need new ON/OFF switch. | |
| Fan will not operate | Ensure fan function is on. |
| Make sure nothing is obstructing fan blade. | |
| Fan motor may need to be replaced. | |
| Fan switch may need to be replaced. |
Slow running – may need capacitor replaced.
Cooler does not pump| Ensure pump switch is turned on.
| Make sure water level is not low. Add water.
| Make sure hoses are connected and free of debris.
| Pump may need to be replaced.
| Pump switch may need to be replaced.
Swing does not work| Ensure swing switch is turned on.
| Make sure the linkage is connected.
| Oscillation switch may need to be replaced.
| Oscillation motor may need to be replaced.
Water leakage| Make sure drain plug is securely in place.
| Make sure cooler is level.
| Inspect tank for cracks.
| Check media pads for water running on outside of unit.
| Check for leaks in water distribution hose connections.
| Check spreaders for build up causing spill over of
water into the airstream.
Water level high or low| Adjust nut on float valve.
| Float valve may need to be replaced.
Cooler Parts
| # | Parts | MC92V / M350 |
|---|---|---|
| 1 | Pump | 6091050 |
| 2 | Motor | 6092000 |
| 3 | Rigid Media Set | CP900 |
| 4 | Control | 6092069 |
| 5 | Caster Set (4 pcs) | 6186100 |
| 6 | Fan Blade | 9001561 |
| 7 | Float Valve Kit (float valve, hose adapter) | 6018058 |
| 8 | Oscillator Motor | 6091057 |
| 9 | Manual fill door | 6092076 |
| 10 | Drain plug | 6017081 |
Hessaire Warranty
Each new cooler is warrantied to be free from defects in material or workmanship for one full year from the date of original purchase. If a component(s) is found to be defective within this period, the defective part will be provided free of charge. Replacement parts are available through authorized dealers or online. Copy of proof of purchase and serial label will be needed for all warranty claims.
What is not covered:
Malfunctions resulting from misuse, negligence, alteration or lack of
necessary maintenance.
Loss of time, inconvenience, use of product or other consequential damages due
to defects.
Return transportation costs. All return costs are the responsibility of the
purchaser.
Hessaire does not cover labor costs associated with troubleshooting or cooler
repairs regardless if the product is under warranty or not.
Damaged Shipments:
Hessaire is not responsible for damaged shipments or shortages result-ing from
carrier mishandling. Notify your carrier’s office immediately to file a
freight claim in the event of damage. Keep damaged product for inspection
until advised by carrier as to disposal.
Please DO NOT return your cooler to Hessaire. Upon authorization, any returns
should be sent directly to the distributor/store where purchased.
Instructional videos and other helpful parts replacement information is
available on hessaire.com.
Visit hessaire.com for registration & warranty claim
forms.