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Technical Data

K3NA4C3DP24L

4

3000

2500

125/-20

480/1

60

1.4

61

K3NA4C3DP24LV

4X

3000

2500

125/-20

480/1

60

1.4

61

Ambient

Running

Approximate

NEMA

BTU/H

BTU/H

Temp. °F

Volts/

Amps

Weight

Model

Rating

Capacity

95°F/95°F

Max./Min.

Phase

Hz

125°F/125°F

(lbs.)

Major Component Replacements

K3NA4C3DP24L

K3NA4C3DP24L

K3NA4C3DP24LV

K3NA4C3DP24LV

(Units with

(Units with

Low Temperature

Programmable

Thermostat)

Thermostat)

Part

Part Number

Part Number

Compressor

0665-123

0665-123

Compressor Capacitor

0452-83

0452-83

Condenser Impeller

0194-76

0194-76

Evaporator Fan

0265-03

0265-03

Condenser Coil

0666-61

0666-61

Evaporator Coil

0666-49

0666-49

Low Temperature Thermostat

0750-104

N/A

Programmable Thermostat

N/A

0750-136

Standard Features

480 Volt 1-Phase
Baked Powder Finish (NEMA 4 models)
Built-in Condensate Evaporator
CFC- Free Refrigerant
Closed-Loop Cooling
Compressor Short Cycle Protector
Compressor Short Cycle Protector
Condenser Blower Controller
Epoxy-Coated Condenser and Evaporator Coils
Filter
Heavy-duty Steel Shell (NEMA 4 models)
Internal Corrosion Protection (NEMA 4X models)
NEMA 12, 3R & 4 Ratings Maintained (UL50)
Programmable Temperature Alarm
Programmable Thermostat
Stainless Steel Shell (NEMA 4X models)
UL/CUL Listed

GuardianX NEMA 4X model offered with these additional features

NEMA 4X Rating Maintained (UL50)
Internal Corrosion Protection
Stainless Steel Shell

Accessories and Options

Enclosure Heater
Filter Recoating Adhesive
Remote Monitoring
Remote Thermostat Relay
Replacement Filters
Special materials or finishes
Stainless or Aluminum Shell

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Содержание Guardian K3NA4C3DP24L

Страница 1: ...IS MANUAL BE READ AND UNDERSTOOD THOROUGHLY KOOLTRONIC INC 30 Pennington Hopewell Road Pennington NJ 08534 609 466 3400 FAX 609 466 1114 www kooltronic com 900 039 73 10 21 CDR 20368 GUARDIAN SERIES K3NA4C3DP24L 480 Volt 1 PHASE Find additional information on this model at kooltronic com or use the Technical Documents QR code below Technical Documents ...

Страница 2: ...ic 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 virtually all sizes and shapes of electronics enclosures in capacities ranging from 1 000 to 30 000 BTU H Our closed loop design also ensures that your components will not be exposed to hot dirty operating ...

Страница 3: ...s 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 to the correct power source Minimum circuit ampacity should be at least 125 of the amperage found on the nameplate for the corresponding voltage Do not exceed the maximum fuse size found on the name...

Страница 4: ... incorrect 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 MOTORS ARE THERMALLY PROTECTED VIOLATES WARRANTY UNAUTHORIZED SERVICE OR MODIFICATION OUTDOOR USE COMPARTMENT ONLY NEMA EEMAC UL50 BY UNDERWRITERS LABORATORIES INC TYPE 1 SPECIAL PURPOSE AIR COND...

Страница 5: ...n the Kooltronic Air Conditioner is properly sized it should operate constantly and maintain 75 F to 115 F enclosure temperature depending on the ambient temperatures UNITS EQUIPPED WITH PROGRAMMABLE THERMOSTAT For units equipped with Low Temperature Thermostat see page 8 CONTROL ACTION The evaporator blower operates continuously The compressor is cycled on and off by the action from the factory p...

Страница 6: ...e 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 C or F LED starts blinking 6 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 ...

Страница 7: ...ap 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 restart with door open alarm y odc Compress status when open door no nPS Number of activation of pressure switch 15 0 15 did Digital input alarm delay 5 min 0 255 i1F Digital input configuration EAL i1P...

Страница 8: ... fixed set point of 60 F When the entering evaporator air temperature rises above 60 F the heater shuts off and when the evaporator air temperature falls below 40 F the heater will engage The contact points of the alarm thermostat are normally closed If the entering evaporator air temperature exceeds 130 F the alarm thermostat contacts open and when the temperature drops below 130 F the contacts c...

Страница 9: ...te the air conditioner for approximately ten 10 minutes During this period the evaporator fan should operate continuously and no unusual noise or vibration should be evident The condenser blower is controlled by a pressure switch and may not start for several minutes Depending on ambient conditions the condenser blower may cycle during the test The cool air discharged should be less than 70 F when...

Страница 10: ...to page 11 for the location of all mounting holes and cutouts Make sure the cutouts don t interfere with components inside your cabinet Proper alignment of all air inlets and outlets is essential for optimum performance of the air conditioner All externally mounted air conditioners are fully gasketed to ensure proper sealing This seal is necessary to maintain the integrity of the closed loop syste...

Страница 11: ...ct to change 2 06 52 3 17 4 3 2 60 66 0 2 1 1 2 4 3 J2 3 4 5 10 9 8 7 6 1 2 3 J1 CG RELAY CONTACTS N O 240 VAC 120 VAC TEMPERATURE SENSOR Mounting Holes 4 156 3 9 DIA ADJUSTING PINS 3 2 1 4 70ºF Connect 1 and 2 75ºF Connect 1 and 3 79ºF Connect 1 and 4 Thermostat Jumper LOW TEMPERATURE THERMOSTAT CONTROL Electronic Thermostat Control Dimensions inches mm are for reference only and are subject to c...

Страница 12: ...04 26 4 12 00 304 8 1 55 39 4 4 26 108 2 HIGH VOLTAGE FIELD CONNECTION BOX 68 17 0 PROGRAMMABLE THERMOSTAT TEMPERATURE ALARM TERMINAL BLOCK Drawings and Dimensions con t Dimensions inches mm are for reference only and are subject to change K3NA4C3DP24L LV FILTERED CONDENSER AIR INLET Ambient Air In CONDENSER OUTLET Warm Ambient Air Out WARM AIR RETURN FROM ENCLOSURE COOL AIR OUTLET TO ENCLOSURE 1 ...

Страница 13: ...rammable Thermostat N A 0750 136 Standard Features 480 Volt 1 Phase Baked Powder Finish NEMA 4 models Built in Condensate Evaporator CFC Free Refrigerant Closed Loop Cooling Compressor Short Cycle Protector Compressor Short Cycle Protector Condenser Blower Controller Epoxy Coated Condenser and Evaporator Coils Filter Heavy duty Steel Shell NEMA 4 models Internal Corrosion Protection NEMA 4X models...

Страница 14: ...operation under these conditions will cause damage shorten compressor life and void the warranty A Filter and condenser coil service The filter holder must be removed in order to clean the filters After removal the filters should be flushed under warm running water with clean side up If the accumulated dirt is oily washing in a detergent bath is recommended followed by a warm water wash as above T...

Страница 15: ...Line Voltage Check Nameplate Voltage against supply Voltage Compressor and Condenser Blower do not run Return temperature is Failed Compressor Check Compressor wire connections above set point plus differential 90 F Check Compressor overload Check Compressor Capacitor Replace Compressor D Refrigerant Loss Kooltronic Air Conditioners are subjected to a series of tests to detect refrigerant leaks du...

Страница 16: ...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 Evaporator Coil Clean Evaporator Coil Check discharge and suction pressure for Refrigerant leak Check for any obstruction of Evaporator airflow Check and seal all openings Excessive condensate Eliminate th...

Страница 17: ...received 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 suitable container for shipment preferably the original packaging if available All Air Conditioners must be returned in an upright position properly secured to a pallet Improper packaging may void war...

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