S2P KS2P-18A31 User manual
EVAPORATIVE AIR COOLER
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OWNER’S MANUAL
READ AND SAVE THESE INSTRUCTIONS
Read all instructions carefully before
setting up and operating this unit.
This manual is designed to provide
you with important information
needed to setup, operate, maintain,
and troubleshoot your cooler.
Failure to follow these instructions
may damage and/or impair its
operation and void the warranty.
EVAPORATIVE AIR COOLER
MODEL NO.: KS2P-18A31
EVAPORATIVE AIR COOLER
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PREFACE
We really appreciate you credit and support in advance. Our evaporative air cooler will bring you
breeze health with least energy.
Adopting the most advanced evaporative cooling technology in the world and the contemporary
production management system, this installation manual is specific for KS2P-18A31 evaporative air
cooler. To ensure the optimal efficiency, we recommend you to read the manual carefully before use.
How Evaporative cooling works
Evaporation cooling is to cool and humidify air by water evaporation to absorb heat. Do you ever
wonder why you feel cooler by the ocean? It is because hot air is blown over water causing some of
the water to evaporate and absorb heat. Evaporative air cooler working this evaporation principle.
In an evaporative cooler a circulation pump keeps the cellulose filter pads fully soaked. As warm air
passes over wet filter pads water naturally evaporates into the air. The air is cooled as it gives up the
heat required to evaporate the water.
Application areas of evaporative air cooler
(1) Relative dry and hot areas
Most of the areas which need to reduce temperature and increase ventilation can use our product,
such as mall, supermarket, office, hotel, Hospital, station, gymnasium, exhibition, restaurant, dancing
room, hall, meting-room, school, factory and villa.
(2) Relative humid areas
Evaporative air cooler is also suitable for the high-temperature or peculiar smelly factories, such as
textile mill, dress mill, printing and dyeing mill, tannery, shoes mill, plastic mill, steel works, electronic
manufacture and chemical plant. You can use our cooler to full cooling. Our cooler is also suitable for
the fuggy areas such as game or disco parlor, kitchens, refectory or hotel, you can use the cooler to
cooling and vent.
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Evaporative air coolers features
(1) Well designed system ensures best cooling effect;
(2) Energy efficient and environmental friendly saving more than 80% of electricity as compare with
conventional air conditioners;
(3) The patented filter pad has over 90% of soak rate;
(4) High quality sealed aluminum motor, with good sinking effect, IP44 high level protection, stable
temperature, water-proof and good appearance;
(5) The exclusive fan blades produce large airflow and create little noise;
(6) Filter pads are easy to clean and maintain;
(7) Patented open-style water diffuser ensures high efficiency and stable water supply;
(8) Multi-lever air flow regulator.
KS2P-18A31 Technical Details
Model No. KS2P-18A31
Voltage 380V
Frequency 50Hz
Speeds 1 speed
Wattage 1100W
Max airflow 18000 m3/h
Air pressure 180 Pa
Fan type axial flow
Size of machine 1050*1050*870mm
Size of air outlet 642*642mm
Size of cooling pad (625+30)x770x100 mm
Control type LCD wall controller and remote control
Water consumption 15-20 L/h
Filter material Honeycomb
Effective area 120-150 square meters
Net/Gross Weight 65kg/70kg
Noise ≤73db
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Spare parts
Main components:
Motor:
high efficiency, low noise, strong power volume
Full protection against over current, over voltage and overload
Unsurpassed reliability
Water level probe:
Water level control
Precisely and accurately checks the water level
Device to prevent damage if the circulation pump lack of water
LCD Controller and remote control:
To control power supply and components, and implement instructions from the MCU
A large LCD screen display simplifies operations
Multi function MCU control system includes a programmed on/off function
Fan blade:
Made up of 6 pieces of high-rigid and fibrous plastic
All pieces can be adjusted the prefer angle
Strong wind volume
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Drain valve:
Automatic water draining every 8hours
Prevents algae growth
Maintains clean unit
Clean and dry function
Inlet valve:
New type, smart designed, permanent magnetic valve
Small buoy, unsurpassed reliability
Water pump:
Professionally manufactured, good heat-radiating performance
Permanent magnetic synchro motor inside
Powerful, durable, high lift, low noise
Exceptional reliability in extreme conditions
Check up and adjustment before operation:
1. Is the cooler installed horizontally?
2. Is drain pipe connected to the machine?
3. Is the water supply leaking?
4. Adjust water level in the sump?
5. Is the power supply connected correctly (particularly for three phase machine)?
6. Is the power line for the control panel correctly connected?
7. Is the operation current within the rated range?
8. Is there unwanted object in the vent?
9. Is the voltage correct?
10. Does cooler vibrates noticeably while operating?
11. Is there any foreign objects in the sump?
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Important notes
1. The best effect is achieved when the unit is used in a well ventilated and dry place, where the unit
takes in 100% fresh air from outside and no re-circulation occurs.
2. Avoid discharging cool air into an closed space. There must be enough space for discharged air,
even use exhaust fans
3. For a place without powered exhaust, 0.8m²of exhaust area is needed for every 3600m³/h air
discharge. When using a powered exhaust, the designed exhaust volume shall not be less than
85% of air intake.
4. Keep the unit away from welding sparks or any source of fire during the installation and when the
unit is running.
5. The unit must be tested and adjusted. E.g.: adjusting water level floats before operation. Ensure
that the unit is operating within the rated electrical currency.
6. Ensure correct wiring of the power and controller. The section in the power socket shall not be
less than 1.5mm². the units shall use a dedicated power line instead of sharing a power line with
other equipments.
7. Voltage of power supply shall be within 10% vibration from the rated voltage. Lower voltage may
cause motor start failure or undue frequent starts and stops. Long-term low voltage or high
voltage will cause damage to the motor.
8. The controller and its wire shall be kept away form strong electronic and magnetic interference,
such as frequency converter, silicon speed and temperature controller, high frequency heater
circuit or high power motor. Avoid wiring the power supply lines parallel to these sources. In the
case of unavoidability, the power line must maintain a distance of more than 30cm from parallel
interference source.
Inspection and preparation before installation
(1) Check the components and documentation (e.g.: instruction, certificate and maintenance card)
against the packing list. If there in anything missing or damaged, keep it as it was and report to the
factory or local distributor.
(2)Check the power supply for correct voltage.
Ways of installation
(1) Cooler can be installed on the outer wall, with a side diffuser (an electromotive swing air diffuser
can be used to cover larger area);
(2) Cooler can be installed on the roof, with a multi-side air diffuser penetrate through the roof and into
the room;
(3) One or more coolers can be installed on the roof or outer wall, each connected to a duct to deliver
the cooled air evenly to the room or to the desired spot;
(4) A number of coolers can be installed on the roof or on the outer wall, connected to a single duct,
and with a powered blower in case of necessity.
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(1) wall:
(2) roof:
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(3) diagram of bracket:
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(4) diagram for duct adaptor
Notes:
As shown above the four installation holes at the bottom of the cooler are fixed on the four steel tubes
welded on the bracket to the cooler from moving out of place.
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Circuit diagram of control box of KS2P-18A31
Tips for better duct work
(1).The duct uses zinc coated steel, glass steel and plastic duct also can be used.
(2).The air diffuser should be installed in the places where the temperature actual need to be cooled. It
depends on volume and velocity to select the specification of the air diffuser. The air diffuser is made of
aluminum, alloy or wood and the type can be selected according to the actual situation. We
recommend both single and double deflection grille. The average velocity in the duct is supposed to be
at 3-6m/s. The air draft can be controlled by a regulating valve.
(3).The specification of duct depends on flow velocity, the wind velocity in the main duct is kept at
6-8m/s while in the branch is 4-5m/s and 3-4m/s in the end.
(4).The duct system is required to be economical and to be kept smooth as well as quiet, which makes
the perfect air draft. To reduce flow resistance, the elbow’s radius of curvature is not less than 1.5
times the width of duct.
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