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6

Principles of Operation (con’t) 

 

 

 

MAX AND MIN TEMPERATURE MEMORIZATION 

HOW TO SEE THE MIN TEMPERATURE: 

 

1) Press and release the down arrow       key. 

2) The “Lo” message will be displayed followed 

    by the minimum temperature recorded. 

3) Press the down arrow       key again or wait 5 seconds 

    to restore normal display. 

 

HOW TO SEE THE MAX TEMPERATURE: 

 

1) Press and release the up       arrow key. 

2) The “Hi” message will be displayed followed 

    by the maximum temperature recorded. 

3) Press the up arrow        key again or wait 5 seconds to 

    restore normal display. 

 

HOW TO RESET THE MAX AND MIN TEMPERATURE 
RECORDED: 

 

1) Press the SET key for more than 3 seconds while the 

    max or min temperature is displayed. (rSt message 
    will be displayed.) 

2) To confirm the operation, the “rSt” message starts 

    blinking and the normal temperature will be displayed. 

 

MAIN FUNCTIONS 

HOW TO SEE THE SETPOINT: 

 

1) Press and immediately release the SET key. 

    The display will show the set point value. 

2) Press and immediately release the SET key, or 

    wait 5 seconds to display the probe value again. 

 

HOW TO CHANGE THE SETPOINT: 

NOTE: The standard set point is 75°.   

 

1) Press the SET key for more than 2 seconds to 

    change the set point value. 

2) The value of the set point will be displayed and 

    the °

or

 

°

LED

 

starts blinking. 

3) To change the set value push the up        or down 

    arrow        keys within 10 seconds. 

4) To store the new set point value push the SET 

    key again, or wait 10 seconds.  

 

HOW TO CHANGE A PARAMETER VALUE: 

 

To change a parameter’s value, operate as follows: 

 

1) Enter the Programming mode by pressing the  

    SET plus down arrow keys for 3 seconds (the 
    °

or

 

°

LED

 

starts blinking). 

2) Select the required parameter. Press the SET 

    key to display its value.  

3) Use up or down arrow keys to change its value. 

4) Press SET to store the new value and move to 

    the following parameter. To exit, press SET and 
    the up arrow keys or wait 15 seconds without 
    pressing a key. 

    NOTE: The set value is stored even when the 
    procedure is exited by waiting for the time-out 
    to expire. 

 

HOW TO LOCK THE KEYBOARD: 

 

1) Press and hold the up and down arrow keys 

    simultaneously for more than 3 seconds.  

2) The POF message will be displayed, and the 

    keyboard will be locked. At this point, it will only 
    be possible to see the set point or the MAX or 
    MIN temperature stored.  

3) If a key is pressed more than 3 seconds, the 

    POF message will be displayed. 

 

HOW TO UNLOCK THE KEYBOARD: 

 

1) Press and hold the up and down arrow keys 

    simultaneously for more than 3 seconds until 
    the Pon message is displayed.  

 

OPTIONAL MONITORING SYSTEM 

TTL SERIAL LINE - FOR OPTIONAL MONITORING 
SYSTEMS: 

 

The optional TTL serial line, available through the 
HOT KEY connector, allows through the use of 
the external TTL/RS485 converter, connection of 
this digital converter to a monitoring system that is 
ModBUS-RTU compatible (X-WEB500/3000/300). 
Connections are provided through an external 2-
position terminal block. 

 

Summary of Contents for TRIMLINE KA4C2.0NP17L

Page 1: ...L BE READ AND UNDERSTOOD THOROUGHLY KOOLTRONIC INC 30 Pennington Hopewell Road Pennington NJ 08534 609 466 3400 FAX 609 466 1114 www kooltronic com TRIMLINE KA4C2 0NP17L with Serial Numbers B17A0456 a...

Page 2: ...fic model page 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 virtu...

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: ...bs the heat and is then discharged to the environment When the Kooltronic Air Conditioner is properly sized it should operate constantly and maintain 75 F to 115 F enclosure temperature depending on t...

Page 6: ...re the new set point value push the SET key again or wait 10 seconds HOW TO CHANGE A PARAMETER VALUE To change a parameter s value operate as follows 1 Enter the Programming mode by pressing the SET p...

Page 7: ...p code 7 0 65535 rEL Software release 0 rSE Real set point 0 onF on off key enabling ES PbC Kind of probe ntc Adr Serial address 1 1 247 HES Differential for energy saving 0 F 54 54 rrd Regulation res...

Page 8: ...te the factory setting is 75o F Refer to page 6 for instructions on adjustment of the thermostat 8 Operate the air conditioner for approximately ten 10 minutes During this period no unusual noise or v...

Page 9: ...washers NOTE Make sure the press studs are inserted with heads toward you Tighten nuts securely 4 To facilitate easy mounting the three screws located on each side of the unit should be backed out en...

Page 10: ...102 4 1 12 28 6 0 75 19 0 M TAB MOUNTING PLAN 5 61 142 5 5 61 142 5 50 12 7 16 50 419 1 3 12 79 2 50 12 7 8 12 206 4 8 12 206 4 8 312 7 9 DIA HOLES 5 78 146 8 38 9 7 5 12 130 2 3 75 95 2 6 38 162 1 1...

Page 11: ...9 07 230 3 5 66 143 7 45 11 4 9 90 251 5 5 96 151 4 2 03 51 6 59 15 0 3 30 83 7 14 20 360 8 6 20 157 6 95 24 0 1 2 3 4 Drawings and Dimensions KA4C2 0NP17L Dimensions inches are for reference only and...

Page 12: ...Short Cycle Protector Filter Low Ambient Kit NEMA 12 Rating Maintained UL50 Programmable Temperature Alarm Programmable Thermostat UL CUL Listed Accessories and Options Filter Recoating Adhesive Inte...

Page 13: ...nd Service Kooltronic Air Conditioners feature an easily removable inlet filter to facilitate necessary cleaning CAUTION 1 Lift the filter using the attached tab to clear the lower filter retainer 2 A...

Page 14: ...erformance and built for reliability They are designed to require only routine maintenance If your air conditioner should require warranty service please contact Kooltronic If you require service out...

Page 15: ...r Clean Coil difference between return and Coil clogged supply air is less than 10 F Evaporator Blower Condenser Loss of Refrigerant Locate and repair leak Blower and Compressor are running Ice on Eva...

Page 16: ...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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