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X. Standard Warranty

THIS WARRANTY CONSTITUTES THE ENTIRE WARRANTY WITH RESPECT TO THE PRODUCT AND IS IN
LIEU OF ALL OTHERS, EXPRESSED OR IMPLIED, INCLUDING ANY WARRANTY OF MERCHANTABILITY
AND WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE AND IN NO EVENT IS KOOLTRONIC
RESPONSIBLE FOR ANY CONSEQUENTIAL DAMAGES OF ANY NATURE WHATSOEVER.

RETURN AUTHORIZATION (RA) PROCEDURE

KOOLTRONIC products are warranted to be free of defects
in workmanship, materials and components. The following
warranty periods apply from date of shipment:

Air moving devices/components and hermetic system
components: One year 

Non-operating parts, except filters: 5 years

The above warranty applies when the equipment is operated
under the following conditions:

Ambient temperature not in excess of 125°F (52°C) in
normal atmosphere or as stated on product nameplate

Voltage variation no greater than ±  10% from nameplate
rating

Frequency variation no greater than ± 3Hz from nameplate
rating

Maximum cooling load no higher than air conditioner
nameplate rating

Waiting five minutes before restarting air conditioner after
intentional or accidental shutoff

Compliance to all other installation, maintenance and
operating instructions, as supplied

The purchaser assumes the responsibility of grounding
the unit and installing it in accordance with local electrical
and safety codes, as well as the National Electric Code
(NEC) and OSHA

KOOLTRONIC cannot assume responsibility for
mis-application of its products or the erroneous
selection of an inappropriate product by a non-
authorized KOOLTRONIC representative . Our
applications engineers will gladly assist in the
selection of the proper product, provided all
required details of the application are furnished.

All returns require a Return Authorization number whether
the return is for warranty or non-warranty repair, rotation of
stock, damage or any other reason. Returns without an RA
number will be refused.

Customer must call the KOOLTRONIC Customer Service
Department, Pennington, New Jersey (609 • 466 • 3400) to
obtain an RA number.

The following information is required when an RA is
requested:

- Original customer Purchase Order number and date
- Date product was 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 warranty claim.

If an Air Conditioner  is received laying down or shipped via
UPS or similar service the warranty will be void.

Mark box prominently with KOOLTRONIC’s Return
Authorization Number.

Enclose all pertinent documents.

Freight charges on all products returned to KOOLTRONIC
shall be paid by the customer. Unauthorized collect shipments
will be refused.

If a unit is repaired under Warranty, KOOLTRONIC will pay
the freight charges both ways. Warranty repaired units will
be returned to customer at KOOLTRONIC expense only
within the Continental USA.

KOOLTRONIC assumes no liability beyond the repair or
replacement of its own product. This Warranty does not
cover:

Labor or reimbursement of labor for evaluation, removal,
installation, repair, or cost of any warranted part, unless
authorized in writing by  KOOLTRONIC

Use of equipment for other than its designed purpose or
operating conditions

Operation in harsh, oily, corrosive or other abnormal
environmental conditions, without the proper filtration,
sealing, protective coatings and/or weather protection

Damage to hermetic system resulting from continuous
operation with dirty or clogged air filters or improper or
negligent maintenance

Use of refrigerant other than designated

Customer modification or abuse

Shipping damage or other accident (Claims for shipping
damage are the responsibility of the customer. Timely
claims must be filed by the customer with the freight carrier)

Cracked or broken hermetic tubing, brazed joints or  other
internal damage caused by shipping or mishandling

Damage caused by shipping units attached to an
enclosure

Any and all conditions resulting from noncompliance with
the preceding operating conditions

Returned freight must be paid by customer

This standard warranty does not apply to custom
products. Consult your KOOLTRONIC representative
for limitations

13

Summary of Contents for K2NA4C3P21L

Page 1: ...IMPORTANT THAT THIS 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 42 INTEGRITY SERIES K_NA4C3P21L Find additional information on this model at kooltronic com or use the Technical Documents QR code below Technical Documents ...

Page 2: ...el 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 condit...

Page 3: ...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 air conditioner nameplate for the corresponding voltage Do not exceed the maximum fuse size found on ...

Page 4: ...correct 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 CONDITI...

Page 5: ...moved through the evaporator coil is transferred by the compressed refrigerant to the condenser coil Ambient air is then passed through the condenser coil where it absorbs the heat and is then discharged to the environment This unit is equipped with a Low Temperature Thermostat to prevent the evaporator coil from freezing In conditions of low ambient temperature and low enclosure load the thermost...

Page 6: ...m temperature of 65 F to allow the system to warm up This is particularly important during winter months 2 Refer to the nameplate for proper electrical voltage and current requirements Connect the power cord to a properly grounded and fused electrical supply leaving electrical power to the unit turned off 3 Note the factory thermostat setting which is 75o F 4 Turn the electrical power on 5 Verify ...

Page 7: ...O THE OUTSIDE WALL OF THE CUSTOMER S ENCLOSURE BEFORE INSTALLING A C UNIT NOTE ENCLOSURE WALL TYP 3 PLACES 1 4 NUT CUSTOMER S ENCLOSURE TYP 3 PLACES BOLT 1 4 X 1 1 4 RUBBER WASHER MOUNTING PLATE WITH STUDS TOP SECTION OF A C UNIT BOTTOM SECTION OF A C UNIT RUBBER WASHER 1 4 NUT 1 4 NUT TIGHTEN NUT TO CLOSE GAP 1 It is recommended that a lift truck be used for installation 2 Attach the Mounting Pla...

Page 8: ...nd are subject to change 6 312 7 9 DIA HOLES 7 33 186 3 2 16 54 8 20 10 510 5 1 69 43 0 2 09 53 0 3 07 78 0 46 11 8 4 75 120 6 TYP 11 91 302 6 21 26 540 0 12 47 316 8 COOL AIR TO ENCLOSURE HEATED AIR FROM ENCLOSURE CONDENSER AIR INLET Ambient Air In CONDENSER OUTLET Heated Ambient Air Out 2 Places 7 91 200 9 6 91 175 5 6 75 171 4 1 25 31 6 TYP FIGURE 1 MOUNTING PLAN Dimensions inches metric are fo...

Page 9: ...NA4C3P21L K2NA4C3P21L5 Part Part Number Part Number Part Number Compressor 0665 101 0665 107 0665 110 Condenser Impeller 0194 14 0194 15 0194 15 Condenser Impeller Capacitor 0452 06 0452 73 0452 73 Evaporator Fan 0265 03 0265 06 0265 06 Filter 9501F 9501F 9501F Standard Features Condenser Impeller Speed Controller CFC Free refrigerant Filter Internal Corrosion Protection Low Temperature Control El...

Page 10: ...old setting and 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 Air Conditioners feature an easily removable inlet filter to facilitate necessary cleaning CAUTION 1 Remove the two screws from the rear panel 2 Remove the rear panel from the unit 3 Remov...

Page 11: ...the air conditioner be returned to Kooltronic for service D Refrigerant Loss Kooltronic Air Conditioners are subjected to a series of tests to detect refrigerant leaks during and after manufacture It is possible that shipping or other damage or microscopic leaks over a long period may result in the need for replenishment of refrigerant charge When it has been verified by a Certified EPA Technician...

Page 12: ...elay Thermostat defective when applicable Failed Compressor Replace Compressor Ice on Evaporator Coil Insufficient Heat Load or Unit Contact Kooltronic Oversized for Application Failed Evaporator Blower Replace Evaporator Blower Motor or Assembly Clogged Evaporator Coil Clean Coil Condensate draining Enclosure not properly sealed Check and seal all openings continuously Excessive opening of Enclos...

Page 13: ...inal customer Purchase Order number and date Date product was 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 positio...

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