Kooltronic Trimline NP47 Series User manual

Keep This Manual
With Air Conditioner
AIR CONDITIONER
OPERATOR'S MANUAL
CAUTION
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: 609 • 466-1114
TRIMLINE
NP47 SERIES
7,000 & 10,000 BTU/H
900-034-08 (2/19)
(CDR: 20131)
Find additional information on this
model at kooltronic.com, or use the
Technical Documents QR code
below.
Technical
Documents

2
TABLE OF CONTENTS
Page
I. Introduction 2
II. Incoming Inspection 3
III. Product Handling 3
IV. Product Identification Label 4
V. Principles of Operation 5
VI. Pre-Installation Testing 6
VII. Specific Model Data 7 - 10
Mounting
Drawings and Dimensions
Technical Data
Major Component Replacements
Wiring Schematics
VIII. Maintenance 11-12
IX. Trouble Shooting 13
XI. Warranty 14
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 electronic
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.
This Manual provides you with the necessary general information for properly installing and
operating standard Kooltronic Air Conditioners. Technical data and mounting instructions
are presented on pages 7 through 10.

3
II. Incoming Inspection
Kooltronic Air Conditioners are designed, built and packaged to withstand the shock and vibration normally
associated with shipment by common carriers. Occasionally improper handling during shipping causes
damage. Such handling could include unbanding of palletized shipments, failing to respect "This Side Up"
arrows, rough handling, falling off conveyors, excessive vibration, crushing, etc. Therefore, a thorough
inspection should be done upon receipt of all shipments. Any carton tears, dents, scratches, loose articles
or evidence of oil are signs of damage and should be noted on the Freight Bill. Cartons should be opened
promptly and the units inspected for CONCEALED DAMAGE. Kooltronic Air Conditioners must be delivered
in the proper mounting position to assure that damage to the compressor has not occurred during shipping.
Any Kooltronic Air Conditioner that is delivered removed from the banded pallet, lying down or double
stacked should be refused.
An immediate claim MUST be filed with the freight carrier and an inspection requested. Retain all packing
materials. Kooltronic cannot assume responsibility for Consignee's failure to file a timely freight claim.
III. Product Handling:
1) Do not attempt to operate your Kooltronic Air Conditioner until you read and thoroughly understand
this 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. All Air Conditioners containing an MM, NM, P, or V as part of the model number are
designed to operate in a vertical position only. All Air Conditioners containing an H, RT or
RM in the model number are designed to operate in a horizontal 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.
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 label for the corresponding voltage. Do not exceed the maximum fuse size
found on the label.
4) PROCEDURE FOR PROPER PACKING AND SHIPMENT OF KOOLTRONIC
AIR CONDITIONERS:
■Keep Air Conditioner in proper upright position indicated by arrow markers.
■Pack Air Conditioner in an appropriate carton (preferably original carton if possible), with
adequate internal protective packaging, making sure carton is marked and is kept in correct
upright position.
■For local, controlled transportation, strap carton to a secure part of truck to prevent falling
or sliding, minimize vibration, etc.
■For common carrier shipment, band unit(s) securely to a pallet. Unpalleted shipment risks
severe damage which voids the warranty.
Kooltronic Air Conditioners must be operated in their proper mounting position. If attempts
are made to operate a unit that is not in its designed mounting position, permanent
compressor damage will occur. This action will void the warranty. To avoid compressor
damage do not tip the unit more than 45° from its proper mounting position.

4
IV. Product Identification and Nameplate
Each Kooltronic Air Conditioner includes an identification nameplate. This nameplate provides:
qModel Number
wSerial Number
eElectrical power characteristics
rMaximum and minimum ambient operating temperatures
tCooling capacity
yType and amount of refrigerant required for recharging
uDesign Pressure
iMaximum Fuse Size
oManufacturing Order Number
aFilter Part Number
sUnderwriters Laboratories Inc. Listed or Recognized Marks and NEMA ratings
We recommend you copy this information from your unit.
qwo When ordering parts, specify the Model Number, Serial Number & MFG. Order Number.
eBefore operating, be sure that the power source matches these requirements.
yUse of 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
COMPARTMENT ONLY
NEMA/EEMAC/UL50 BY UNDERWRITERS LABORATORIES, INC.
TYPE 1 SPECIAL PURPOSE AIR CONDITIONER EQUIPMENT
TYPE 12 INTERFACE TO THE ELECTRICAL ENCLOSURE ONLY
NEMA/EEMAC/UL50 BY UNDERWRITERS LABORATORIES, INC.
SPECIAL PURPOSE AIR CONDITIONER
FUSE SIZE
MAX.
HIGHLOW
Oz.REFRIGERANT
MAX.°FMIN.°F
AMBIENT TEMP.COOLING
ALLOW 5 MIN. BEFORE RESTARTING AFTER SHUTDOWN
Air Conditioner
DESIGN PRESSURE P.S.I.G.
MFG. ORDER NO.
KOOLTRONIC, INC. PENNINGTON, NJ
MANUFACTURED BY:
COOLING BTU
F.L . A.PH.FREQ.VOLTS
SERIAL NUMBERMODEL NUMBER
FILTER P/N
SERVICE AIR FILTER REGULARLY
ee ee rr
ty
qw
uu i
a
o
s

5
Kooltronic Air Conditioners are required when the equipment operating temperature must be kept near or lower
than the ambient room temperature, and/or the cabinet must be sealed from dust, fumes, oil, corrosives and other
contaminants. This Air Conditioner utilizes a "Closed-Loop Cooling System" to ensure optimum performance of the
installed components.
Closed-Loop cooling seals the electronics enclosure from hostile elements in the environment. Two separate
circulation systems are employed. The internal system cools and dehumidifies the air inside the cabinet, totally
isolating the sensitive electronics and other components from the environment. The external system uses
circulating ambient air or water to discharge the heat removed from the electronics.The heat is dissipated from the
enclosure by means of the vapor compression refrigeration cycle. This takes place in a hermetically-sealed
refrigeration system, utilizing either an air-cooled or water-cooled condenser heat exchanger. The warm air inside
the enclosure is drawn through the evaporator coil where it is cooled, dehumidified and returned.
Any enclosure moisture 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 coil is transferred by the compressed refrigerant to the condenser coil.
Ambient air or water is then passed through the condenser coil, where it absorbs the heat and is then discharged
to the environment.
The cool air discharge temperature is regulated by the capacity control (hot gas bypass) valve. The unit is
equipped with a Low Temperature Thermostat to prevent over-cooling. In applications having frequent voluntary
heat load interruptions, an optional Compressor Short Cycle Protector is recommended.
V. Principles of Operation
CONDENSER OUTLET
(Heated Ambient Air Out)
CONDENSER HEAT
EXCHANGER
CONDENSER AIR
INLET
(Ambient Air In)
REFRIGERANT
FILTER DRIER
CONTROL
BYPASS VALVE
METERING
DEVICE
(Capillary Tube
shown)
COMPRESSOR
EVAPORATOR
HEAT EXCHANGER
COOL AIR TO
ENCLOSURE
ACCUMULATOR
CONDENSER
AIR INLET
(Ambient Air In)
HEATED AIR FROM
ENCLOSURE

6
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 a upright position at a room temperature of 65°F minimum, allowing the
system to warm-up. This is particularly important in winter months.
2. Refer to the identification label 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 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 should be 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.

7
VII. Specific Model Data
Mounting
Kooltronic Air Conditioners have been engineered to be installed easily. To avoid damaging your Air
Conditioner, please read the following information before installation:
1. Remove and save the four screws holding the Mounting Template and Assembly Bracket
(M/TAB) to the unit. Remove the M/TAB.
2. See Figure 1 for proper M/TAB orientation.Place the M/TAB flush against the outside of the
cabinet to locate cutouts and mounting holes.
3. NOTE: The top cutout for the warm air return does not have to match the full 9" opening on
the M/TAB.You can locate your cutout anywhere within this opening. Locate your cutout close
to the top and not less than 4" high. Make sure the cutouts don't interfere with components
inside your cabinet.
4. Mount the M/TAB to the outside of the cabinet using all the mounting hardware supplied by
Kooltronic (1/4-20 screws/nuts/washers). NOTE: Make sure the screws are inserted with heads
on M/TAB side. Tighten nuts securely.
5. Route the power cord through the top cut out in your cabinet. Mount the unit to the M/TAB by
sliding the studs located on each side panel into the slots on the M/TAB.
6. Insert the remaining 10-32 screws and seal washers supplied by Kooltronic through the Air
Conditioner side panel and into the M/TAB. To avoid misalignment of parts do not tighten any
of the screws until they are all installed. Be careful not to overtighten the screws.
7. The drain hose must not be elevated above the exit port. Improper mounting will impede the
flow of condensate and may cause internal malfunctions.
CAUTION
If the Air Conditioner is mounted to the cabinet door you must be sure
that the door hinges will support the additional weight of the Air
Conditioner. Also be certain that when the door is opened fully, the
cabinet does not become unbalanced. The actual weight of the unit can
be found in the performance specifications.
Dimensions (inches) are for reference
only and are subject to change.
FIGURE 1 - MOUNTING PLAN
WARM AIR RETURN
FROM ENCLOSURE
(Enclosure opening should be located as
high as possible within this area, and equal
or exceed size of cool air outlets.)
COOL AIR OUTLET
TO ENCLOSURE
➀
➁
18.00
[457.2]
27.62
[701.5]
10.13
[257.3]
TYP.
12.00
[304.8]
7.00
[177.8]
TYP.
3.00
[76.2]
12.50
[317.5] 0.75
[19.1]
(12) .312 [7.9]
DIA. HOLES
1.28
[33.2]
0.87
[22.1]
TYP.
1.53
[38.9]
1
2
13.31
[338.1]
TYP.

8
FILTER
M/TAB
DRAIN *
POWER
CORD
THERMOSTAT
ADJUSTMENT
121/4
➂
➀
➁
➃
471/4
153/16
FILTERED
CONDENSER AIR INLET
(Ambient Air In)
CONDENSER OUTLET
(Warm Ambient Air Out)
WARM AIR RETURN
FROM ENCLOSURE
(Enclosure opening should be located as
high as possible within this area, and equal
or exceed size of cool air outlets.)
 
➂WARM AIR RETURN
FROM ENCLOSURE
(Enclosure opening should be located as
high as possible within this area, and equal
or exceed size of cool air outlets.)
COOL AIR OUTLET
TO ENCLOSURE
➂
Drawings and Dimensions
NP47 SERIES
* Other drain outlets are available - contact KOOLTRONIC
Dimensions (inches) are for reference only and are subject to change.

9
Technical Data
NP47 Series
KA4C4NP47R 4000 125/50 115/100 60/50 16.5 150/160
KA4C4NP47R56 4000 125/50 115 50/60* 15.5/16.5 150/160
K2A4C4NP47L 4000 125/50 230/200 60/50 8.5 150/160
K2A4C4NP47L5 4000 125/50 230 50 7.6 150/160
KA4C5NP47R 5000 125/50 115/100 60/50 16.5 150/160
KA4C5NP47R56 5000 125/50 115 50/60* 15.5/16.5 150/160
K2A4C5NP47L 5000 125/50 230/200 60/50 8.5 150/160
K2A4C5NP47L5 5000 125/50 230 50 7.6 150/160
KA4C6NP47R 6000 125/50 115/100 60/50 16.5 150/160
KA4C6NP47R56 6000 125/50 115 50/60* 15.5/16.5 150/160
K2A4C6NP47L 6000 125/50 230/200 60/50 8.5 150/160
K2A4C6NP47L5 6000 125/50 230 50 7.6 150/160
KA4C7NP47R 7000 125/50 115/100 60/50 16.5 150/160
KA4C7NP47R56 7000 125/50 115 50/60* 15.5/16.5 150/160
K2A4C7NP47L 7000 125/50 230/200 60/50 8.5 150/160
K2A4C7NP47L5 7000 125/50 230 50 7.6 150/160
KA3C8NP47R 8000 120/50 115/100 60/50 19.2/18.6 150/160
KA3C8NP47R56 8000 120/50 115 50/60* 18.6/19.2 150/160
K2A4C8NP47L 8000 125/50 230/200 60/50 11.8 150/160
K2A4C8NP47L5 8000 125/50 230 50 10.0 150/160
KA3C9NP47R 9000 120/50 115/100 60/50 19.2/18.6 150/160
KA3C9NP47R56 9000 120/50 115 50/60* 18.6/19.2 150/160
K2A4C9NP47L 9000 125/50 230/200 60/50 11.8 150/160
K2A4C9NP47L5 9000 125/50 230 50 10.0 150/160
KA3C10NP47R 10000 120/50 115/100 60/50 19.2/18.6 150/160
KA3C10NP47R56 10000 120/50 115 50/60* 18.6/19.2 150/160
K2A4C10NP47L 10000 125/50 230/200 60/50 11.8 150/160
K2A4C10NP47L5 10000 125/50 230 50 10.0 150/160
KA3C12NP47R 12000 120/50 115/100 60/50 19.2/18.6 150/160
KA3C12NP47R56 12000 120/50 115 50/60* 18.6/19.2 150/160
K2A4C12NP47L 12000 125/50 230/200 60/50 11.8 150/160
K2A4C12NP47L5 12000 125/50 230 50 10.0 150/160
** Ambient ** Approximate
BTU/H Temp. °F Running Weight
Model Rating Max./Min. Volts Hz Amps (lbs.)
✧
✧
* Switchable. Switch is internally-mounted for security.
** Rating shown is for operation at maximum ambient temperature.
✧115V, 60 Hz and 230V, 60 Hz models also perform at full capacity when operated
at 100V, 50 Hz or 200V, 50 Hz respectively. No transformer is required.
Major Component Replacements
KA4C_NP47R KA3C_NP47R
4000-7000 BTU/H 8000-12000 BTU/H
Part Part Number Part Number
Compressor 0665-103 0665-42
Compressor Capacitor N/A 0452-32
Condenser Blower Motor 0261-287 0261-287
Condenser Blower Motor Capacitor 0452-03 0452-03
Condenser Blower Assembly 8060-00-11 8060-00-11
Evaporator Blower Motor 0261-08 0261-08
Evaporator Blower Motor Capacitor 0452-03 0452-03
Evaporator Blower Assembly 6015-00-129 6015-00-129
Filter 12251F 12251F
NOTE: Part Numbers shown are for 115v/60Hz/1Ø. For 230v/60Hz/1Ø and all 50Hz consult Kooltronic.

10
Wiring Schematic
GN
S
C
R
BK
WE
SUPPRESSOR
O/L
CAP.
CAP.
13
EVAP
BLOWER
MOTOR
MOTOR
BLOWER
COND
PRESSURE
SWITCH
OPTIONAL
START
RELAY
S
L
21
MCAP
COMPR.
6
8
RELAY
0
1
UL LISTED
UNITS ONLY
OPTIONAL
SWITCH
CRANKCASE HEATER
HEATER
T- S TAT
55
T- S TAT
75
BU
Y
R
THERMAL
CUTOUT
BU R
PROTECTOR
HEATER
OPTIONAL
CYCLE
SHORT
OPTIONAL
6
8
RELAY
10
SHORT
CYCLE
TIMER
WD-201 REV. E NP47 SERIES