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VI. Pre-Installation Testing

 

Before mounting the air conditioner to the enclosure, test for proper operation. This 
will verify the shipping integrity of the system.  Please follow the steps below prior to 
installation.

 

 

CAUTION

 

1. Allow the unit to sit in an upright position at a room temperature of 65°F minimum,

allowing the system to warm-up, particularly in winter months.

2. Refer to the nameplate for proper electrical voltage and current requirements. Then

connect the power cord to a properly grounded and fused electrical supply. Leave the
electrical power off.

3. Note the factory thermostat setting which is typically 75 to 80°F.

4. Adjust thermostat to its maximum setting.

5. If your unit is equipped with an on-off switch, move it to the on position.

6. Turn electrical power on.

7. Verify that the evaporator blower or fan is running.

8. Adjust the thermostat to its minimum setting.  The compressor should start.  On units

equipped with a short cycle protector, the compressor will have a delayed start of 6
minutes from the time power is applied to the unit.

9. Verify that the condenser blower or fan is running.  Note, on units equipped with a low

ambient kit, the start of the condenser fan or blower will be delayed until the system
pressures rise.

10. Operate the air conditioner for approximately ten (10) minutes. During this period no

unusual noise or vibration should be evident.  Both the evaporator and condenser fans
or blowers should be delivering air through their respective discharge ports.  The cool
air discharged should be less than 70°F when the room temperature is between 70
and 80°F.

11. On units equipped with heaters, adjust both the cooling and heating thermostats to

their maximum settings.  Verify that the compressor and condenser fan or blower has
stopped.  Verify elevated discharge air temperature from the evaporator air discharge.

12. If your unit is equipped with an on-off switch, leave it in the on position.  Return the

cooling thermostat to its original setting.  If unit is equipped with a heater, return the
heating thermostat to its original position.

13. Turn off the electrical power source, and disconnect the air conditioner from the power

source.

14. If any cover plug is removed to adjust the unit, make certain to put back in place to

maintain the integrity of the closed-loop airflow system.

NOTE:

  Before shipment all Kooltronic, Inc. Air Conditioners are subjected to a 

       performance test.

 

The Air Conditioner must be standing in its proper mounting position for a 

minimum of five (5) minutes prior to testing. Failure to follow this procedure 

will cause permanent damage to the compressor.

Summary of Contents for E16A1554

Page 1: ...ION BEFORE INSTALLING AND USING THIS AIR CONDITIONER IT IS IMPORTANT THAT THIS MANUAL BE READ AND UNDERSTOOD THOROUGHLY KOOLTRONIC INC 30 Pennington Hopewell Road Pennington NJ 08534 609 466 3400 FAX...

Page 2: ...age of the Kooltronic website I Introduction Kooltronic Air Conditioners are designed to provide a cool dehumidified environment for your electronic components There are models to fit virtually all si...

Page 3: ...prior to operating in order to allow the compressor oil to drain to the compressor sump area CAUTION 3 Before operating this unit all electrical wiring must be checked to assure the proper connection...

Page 4: ...ect type or amount of refrigerant will adversely affect performance and may damage the unit r Make sure that these parameters are met Failure to do so may result in permanent damage to the unit ALL MO...

Page 5: ...ure accumulated on the evaporator coil is collected in the condensate tray and released to the ambient air through the drain tube or the condensate evaporator The heat removed through the evaporator c...

Page 6: ...be delayed until the system pressures rise 10 Operate the air conditioner for approximately ten 10 minutes During this period no unusual noise or vibration should be evident Both the evaporator and co...

Page 7: ...r cord through the top cut out in your cabinet Mount the unit to the M TAB by sliding the 4 studs on the side panel into the 4 slots on the M TAB After unit is in place tighten 2 screws at bottom of u...

Page 8: ...INLET Ambient Air In NP28 only CONDENSER OUTLET Warm Ambient Air Out NP28 only WARM AIR RETURN FROM ENCLOSURE COOL AIR OUTLET TO ENCLOSURE Drawings and Dimensions NP28 SERIES Other drain outlets are...

Page 9: ...5 50 60 13 0 85 K2A4C3NP28L 3000 120 50 230 200 60 50 6 0 85 K2A4C3NP28L5 3000 125 50 230 50 6 5 85 KA4C4NP28L 4000 125 50 115 100 60 50 13 0 12 0 85 KA4C4NP28L56 4000 125 50 115 50 60 13 0 85 K2A4C4N...

Page 10: ...nd the compressor will continue to cycle on and off Continued operation under these conditions will cause damage shorten compressor life and void the warranty A Filter Removal and Service Kooltronic A...

Page 11: ...pass valve fails it is strongly recommended that the Air Conditioner be returned to Kooltronic for service D Refrigerant Loss Kooltronic Air Conditioners are subjected to a series of tests to detect r...

Page 12: ...Control Replace Thermostat or Relay Thermostat defective when applicable Failed Compressor Replace Compressor Ice on Evaporator Coil Insufficient Heat Load or Unit Contact Kooltronic Oversized for Ap...

Page 13: ...eceived by customer Number of parts to be returned Product description model and serial number Reason for return Action requested Contact name telephone FAX numbers and e mail address Pack unit in a s...

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