IV. 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.
It is recommended that a lift truck be used for installation.
2.
Attach the mounting bracket to the enclosure using (3)
1/
4
-inch nuts, (3) sealing washers and (3)
1/
4
-inch mounting
nuts. Sealing washers must be placed against customer enclosure (see mounting drawing).
3.
Place the air conditioner on the lift truck.
4.
Adjust the lift truck height so that the air conditioner hook is located approximately
1/
2
-inch above the mounting
bracket.
5.
Route the power cord through the discharge (upper) air cutout.
6.
Move the air conditioner toward the enclosure panel so that the gap between the hook and the enclosure is about
1/
2
-inch.
7.
Slowly move the lift truck down until the hook engages with the mounting bracket. Continue to lower the lift truck.
The air conditioner will hang from the mounting plate flush against the mounting panel.
8.
Insert (8)
1/
4
-inch hex bolts with sealing washers through mounting holes in the enclosure into the cage nuts in the
air conditioner and tighten (see mounting drawing).
CAUTION
BEFORE INSTALLING THE AIR CONDITIONER, IT IS IMPORTANT THAT THESE INSTRUCTIONS BE READ AND UNDERSTOOD THOROUGHLY
KOOLTRONIC, INC. 30 Pennington-Hopewell Road Pennington, NJ 08534
609 • 466-3400 FAX: 609 • 466-1114
kooltronic.com
900-090-49 (10/21)
(CDR: 20368)
Installation Instructions
Model K2NA6C14DP50L
I. Introduction
These instructions provide you with the general information necessary for proper installation of the air conditioners.
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.
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.
III. Pre-Installation Testing
1.
The unit must be operated in its proper mounting position. If attempts are made to operate the unit not in its
designed mounting position, permanent compressor damage will occur. This action will void the warranty. The
unit must sit in its proper mounting position for a minimum of five (5) minutes to allow the compressor oil to
settle, at a minimum room temperature of 65ºF.
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.
Turn the electrical power on.
4.
Verify that the evaporator blower or fan is running.
5.
Observe the temperature on the digital display. The thermostat must be set a minimum of 10ºF below this
temperature for the compressor to operate (the factory setting is 75ºF). To adjust the thermostat, push the set
button for two (2) seconds, then use the arrows to set the temperature.
6.
Operate 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 70ºF when the room temperature is between
70ºF and 80ºF. It is normal for the condenser blower to cycle on/off during this period.
7.
Reset the thermostat to the factory setting.
WARNING: Operating the unit below 75ºF may result in freezing
of the evaporator coil.
8.
Turn off the electrical power and disconnect the air conditioner from the power source.
Dimensions, inches [mm], are for reference only and are subject to change.
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 weight of the unit is 207 lbs. Additional technical
data can be found in the performance specifications in the Operator’s
Manual available online.
CAUTION
Kooltronic Air Conditioners must be standing in their 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. To avoid compressor damage do not tip the unit more than 45° from its proper
mounting position
.
8.26
[209.9]
8.26
[209.9]
11.34
[288.1]
(11)
.312 [7.9]
DIA. HOLES
17.28
[439.0]
8.18
[207.8]
8.35
[212.1]
13.31
[338.1]
11.09
[281.6]
7.75
[196.8]
16.56
[420.4]
16.53
[419.8]
2.31
[58.6]
16.53
[419.8]
1.00
[25.4]
8.26
[209.9]
8.26
[209.9]
1.81
[45.8]
2.90
[73.7]
12.00
[304.9]
4.00
[101.6]
1
2
MOUNTING PLAN
WARM AIR RETURN FROM
ENCLOSURE
COOL AIR OUTLET
TO ENCLOSURE
1
2
A/C
UNIT
MOUNTING BRACKET
MOUNTED ONTO
CUSTOMER’S ENCLOSURE
ENCLOSURE WALL
WASHER W/ NEOPRENE (8)
(NEOPRENE SIDE AGAINST
ENCLOSURE)
1/4" NUT (3)
STUD FROM BRACKET (3)
1/4" CAGE NUT
ON THE INSIDE
OF A/C UNIT (8)
WASHER W/ NEOPRENE (8)
(NEOPRENE SIDE AGAINST
ENCLOSURE)
1/4" HEX BOLT
1-1/4" LONG (8)
MOUNTING DRAWING
