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OPERATOR'S MANUAL
CAUTION
BEFORE INSTALLING AND
USING THIS AIR CONDITIONER,
IT IS IMPORTANT THAT THIS
MANUAL BE READ AND
UNDERSTOOD THOROUGHLY
900-039-101 (2/20)
(CDR: 20226)
Keep This Manual
With Air Conditioner
AIR CONDITIONER
GUARDIAN SERIES
KNA4C9DP47L-1
Find additional information on
this model at kooltronic.com or
use the Technical Documents
QR code below.
Technical
Documents
KOOLTRONIC, INC.
30 Pennington-Hopewell Road
Pennington, NJ 08534
609 • 466-3400
FAX: 609 • 466-1114
www.kooltronic.com
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Summary of Contents for Kooltronic Guardian KNA4C9DP47L-1
- Page 1 GUARDIAN SERIES KNA4C9DP47L-1 Find additional information on Keep This Manual this model at kooltronic.com or use the Technical Documents With Air Conditioner QR code below. Technical Documents AIR CONDITIONER OPERATOR'S MANUAL CAUTION KOOLTRONIC, INC. BEFORE INSTALLING AND 30 Pennington-Hopewell Road...
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Page 2: Table Of Contents
Warranty 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 conditions. -
Page 3: Incoming Inspection
Manual. See section VI PRE-INSTALLATION TESTING. 2) Before operating the Kooltronic Air Conditioner be certain that it is placed in its correct mounting position. This Air Conditioner is designed to operate in a vertical position only. This placement must be done a minimum of 5 minutes prior to operating in order to allow the compressor oil to drain to the compressor sump area. -
Page 4: Product Identification And Nameplate
IV. Product Identification and Nameplate Each Kooltronic Air Conditioner includes an identification nameplate. This nameplate provides: Model Number Serial Number Electrical power characteristics Maximum and minimum ambient operating temperatures Cooling capacity Type and amount of refrigerant required for recharging Design Pressure... -
Page 5: Principles Of Operation
When 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. - Page 6 Principles of Operation (con’t) MAX AND MIN TEMPERATURE MEMORIZATION 2) Select the required parameter. Press the SET HOW TO SEE THE MIN TEMPERATURE: key to display its value. 3) Use up or down arrow keys to change its value. 1) Press and release the down arrow key.
- Page 7 Principles of Operation (con’t) RESETTING If it becomes necessary to reset the unit, the factory settings are as follows: RANGE PARAMETER DESCRIPTION VALUE UNIT MINIMUM MAXIMUM Set Point °F Differential °F Fourth probe display Third probe display Evaporator probe display Room probe display Differential for temperature alarm recovery °F...
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Page 8: Pre-Installation Testing
9. If any cover plug is removed to adjust the unit, make certain to put it 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. -
Page 9: Specific Model Data
VII. Specific Model Data Mounting The Kooltronic Special Purpose Air Conditioners KNA4C9DP47L-1 have been engineered to be installed easily. Prior to mounting, refer to page 10 and 11 for the mounting plan and the general arrangement drawings showing dimensions and locations of mounting holes and cutouts. Prior to cutting or drilling, make sure that cutouts and mounting holes do not interfere with components inside the cabinet. -
Page 10: Drawings And Dimensions
Drawings and Dimensions MOUNTING PLAN 6.20 6.20 [157.0] [157.0] 2.35 (10) .312 [10.0] [60.0] DIA. HOLES 16.28 WARM AIR RETURN FROM [414.0] 15.01 1.10 ENCLOSURE [381.0] [28.0] COOL AIR OUTLET TO ENCLOSURE 45.08 [1145.0] 13.59 [345.0] 11.14 28.79 [283.0] [731.0] 5.00 1.75 [127.0]... - Page 11 Drawings and Dimensions...
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Page 12: Technical Data
Technical Data Ambient Running Approximate BTU/H BTU/H Temp. °F Amps Weight Model Capacity 95°F/95°F Max./Min. Volts 131°F/131°F (lbs.) KNA4C9DP47L-1 9000 7400 131/-20 115/100 60/50 19.2/19.2 Major Component Replacements KNA4C9DP47L-1 Part Part Number Compressor 0665-131 Compressor Capacitor 0452-52 Resistor, PTC Start 0382-11 Filter Drier 0668-05... -
Page 13: Wiring Diagrams
Wiring Diagrams... - Page 14 Wiring Diagrams...
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Page 15: Maintenance
B. Blowers The design life of the blowers used in all Kooltronic Air Conditioners is substantially in excess of 20,000 hours. All Kooltronic condenser and evaporator blowers are equipped with automatic-reset thermal overload protectors. -
Page 16: Trouble Shooting
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 that a refrigerant shortage does exist, the leak must be repaired. - Page 17 Problem Cause Solution Unit not cooling. (Temperature Failed Evaporator Blower. Check Blower wire connections. difference between return and Check blower capacitor. supply air is less than 10°F). Replace Evaporator Blower. Compressor and Condenser Blower are running. Evaporator Blower does not run. Unit not cooling.
- Page 18 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.
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