Essick Air M301A User Manual

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Cooler Installation
Installing Casters
  Note:   The installation kit 
includes (2) swivel cast-
ers with brake, (2) swivel 
casters without brake, (16) 
tinnerman nuts and (16) 
1/4-20 x 1/2 screws.
• Place the unit on its side.  
Place the tinnerman nuts on 
the caster bracket on the bot-
tom pan as shown in fi gure 
1.  
• Attach the casters to the 
brackets with the screws provided.
Operation
Manual Control Units
•  Pump setting.  The rotary switch has 6 settings.  The “Pump” 
setting will operate the pump without the blower.  For best results 
turn the switch to “Pump” for a few minutes to wet the pads before 
operating the fan.
•  High and low cool settings.  The “High Cool” and “Low Cool” set-
tings operate both the pump and the blower.  Turn the unit to “Low 
Cool” when possible.  This lower speed allows the air to stay longer 
in the wet pads and therefore increases it’s cooling effi ciency.
•  High and low vent settings.  The “High Vent” and “Low Vent” 
settings operate the blower without the pump.  This is useful on 
cool nights or at times when just a fan is desired.  
Remote Control Units
These units may be controlled using the 3 buttons on the front panel 
of the cooler or with the remote control.
• PUMP button.  Pressing this button toggles the pump on and off.  
When the LED is lit, the pump is running.  For best results turn 
on the pump for a few minutes to wet the pads before operating 
the fan.  The pump must be on while operating the fan for cooling.  
You may also want the pump turned off at times when just a fan is 
desired.
• FAN button.  Pressing this button will cycle the fan through High 
Speed / Low Speed / Off.  The LED’s on the front of the control 
indicate wether the fan is on high speed, low speed or off (no LED’s 
lit).  Note:  There will be a 2 second delay between a button press 
and the operation of the fan.
• ON/OFF button.  Pressing this button while the pump or fan is on 
will turn everything off.  Pressing it again while in the off state will 
return the fan and pump to their previous operating settings.  When 
fi rst plugging in the cooler or after power has been interrupted, 
pressing the On/Off button will start the cooler in the default state 
which is with the pump on and the fan on high.
• Remote Control.  To operate the cooler with the remote you must 
be within 20 feet and in sight of the cooler.  Aim the remote at the 
front panel.  The buttons on the remote control have the same func-
tions as the buttons on the front panel of the cooler.  The remote 
uses two AAA alkaline batteries which are included.  A holder for 
mounting on a wall is also included with the unit.  
Connecting Water
•  Install drain assembly.  Place the 
nipple through the hole in the pan, 
with the rubber washer between the 
pan and the head of the drain nipple 
(Fig. 2). Thread nut onto nipple and 
draw up tight against bottom of pan.  
Thread the drain cap to the nipple and 
tighten water tight.
•  Install fl oat valve.  Refer to fi gure 3.  Install the valve in the pro-
vided hole in the corner post ((R)M301A, (R)M401A) or louvered 
side (M201A) using the provided washer and nut.  Install the 
included garden hose adapter to the fl oat as shown if  attaching a 
garden hose to the unit.  A 1/4 inch water line may also be used to 
supply a continuous amount of water to the unit.
•  Fill pan with water.  You may fi ll the pan manually for up to 3 
hours of cooling.  For automatic fi lling you may attach a garden 
hose to the garden hose adapter or a 1/4 inch water line to the fl oat 
valve.
Fig. 1
Bottom Pan
Nipple
Rubber Washer
Nut
Drain Cap
Fig. 2
Wiring Diagrams
White-Com.
Black-Hi
Black
Blower 
Motor
Pump 
Motor
Red-Lo
White-Com.
Green-Ground
Green
Switch
A
B
1
2
3
4
Ribbed-Com.
Plain
Green
Exhaust Air
If the unit is used in an enclosed area, open windows or doors to 
ensure adequate exhaust.  Without an outlet to exhaust the air, 
humidity will build up in the enclosed space and the unit will not 
cool adequately.
Manual Control
Remote Control
Hi
Low
Gnd
Com.
Black
Red
Green
White
Ground 
Wire
Blower Motor
Pump 
Motor
Blower Panel
Control
Ground 
Screw
Junction Box 
(RM301A)