McLean Cooling Technology T15 Manuale utente
© 2010 Pentair Technical Products 89059119
Rev. B P/N 10-1008-194
Protecting Electronics.
Exceeding Expectations.™
Pentair Technical Products
2100 Homan Way
Anoka, MN 55303
+1-763-323-8200
+1-763-576-3200
www.McLeanCoolingTech.com
INSTRUCTION MANUAL
T-Series™
Air Conditioner
T15
© 2010 Pentair Technical Products 89059119
- 2 -
NOTE: Some of the information in this manual may not apply if a special unit was ordered. If
additional drawings for a special unit are necessary, they have been inserted. Contact McLean
Cooling Technology if further information is required.
TABLE OF CONTENTS
RECEIVING THE AIR CONDITIONER .............................................................................................................................................................. 3
HANDLING AND TESTING THE AIR CONDITIONER ................................................................................................................................. 3
INSTALLATION INSTRUCTIONS ..................................................................................................................................................................... 4
Design Data ................................................................................................................................................................................................. 4
Dimensional Drawing .............................................................................................................................................................................. 4
Mounting Cutout Dimensions .............................................................................................................................................................. 5
Components List ........................................................................................................................................................................................ 5
Wire Diagrams ............................................................................................................................................................................................ 6
Without Heat ....................................................................................................................................................................................... 6
With Heat .............................................................................................................................................................................................. 7
Schematics ................................................................................................................................................................................................... 8
TEMPERATURE CONTROL ............................................................................................................................................................................... 9
Units With heat ........................................................................................................................................................................................... 9
PRINCIPLES OF OPERATION ........................................................................................................................................................................... 9
MAINTENANCE .................................................................................................................................................................................................10
Compressor ...............................................................................................................................................................................................10
Inlet Air Filter .............................................................................................................................................................................................10
How To Remove, Clean or Install a New Inlet Air Filter ..............................................................................................................10
Condenser and Evaporator Air Movers ............................................................................................................................................11
Refrigerant Loss........................................................................................................................................................................................11
TROUBLE SHOOTING ......................................................................................................................................................................................12
Basic Air Conditioning Trouble Shooting Check List ..................................................................................................................12
Symptoms and Possible Causes: ........................................................................................................................................................13
WARRANTY ........................................................................................................................................................................................................14
RETURN AND REPAIR POLICY ......................................................................................................................................................................14
LIMITATION OF LIABILITY ..............................................................................................................................................................................15
© 2010 Pentair Technical Products89059119 - 3 -
RECEIVING THE AIR CONDITIONER
Inspect the air conditioner. Check for concealed damage that may have occurred during shipment. Look for dents,
scratches, loose assemblies, evidence of oil, etc. Damage evident upon receipt should be noted on the freight bill.
Damage should be brought to the attention of the delivering carrier -- NOT to McLean Cooling Technology -- within 15
days of delivery. Save the carton and packing material and request an inspection. Then le a claim with the delivering
carrier.
Pentair Technical Products cannot accept responsibility for freight damages; however, we will assist you in any way
possible.
HANDLING AND TESTING THE AIR CONDITIONER
If the air conditioner has been in a horizontal position, be certain it is placed in an upright, vertical or mounting
position for a minimum of ve (5) minutes before operating.
Do not attempt to operate the air conditioner while it is horizontal
or on its side, back or front. The refrigeration compressor is lled
with lubricating oil. This will cause permanent damage to the air
conditioner and also voids the warranty.
CAUTION
TEST FOR FUNCTIONALITY BEFORE MOUNTING THE AIR CONDITIONER TO THE ENCLOSURE.
Refer to the nameplate for proper electrical current requirements, and then connect the power cord to a properly
grounded power supply. Minimum circuit ampacity should be at least 125% of the amperage shown in the design
data section for the appropriate model. No other equipment should be connected to this circuit to prevent
overloading.
Operate the air conditioner for ve (5) to ten (10) minutes. No excessive noise or vibration should be evident during
this run period. The condenser blower (ambient air), the evaporator blower (enclosure air), and the compressor should
be running.
Condenser air temperatures should be warmer than normal room temperatures within a few minutes.
The compressor is provided with automatic reset thermal overload protection. This thermo-switch is located and
mounted inside the plastic enclosure clipped to the compressor. The switch operates when the compressor overheats
due to clogged or dirty inlet air lter or if ambient air temperatures exceed nameplate rating or if enclosure dissipated
heat loads exceed the rated capacity of the air conditioner. The thermal overload switch will actuate and stop
compressor operation. The blowers will continue to operate and the compressor will restart after it has cooled to
within the thermal overload cut-in temperature setting.
© 2010 Pentair Technical Products 89059119
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INSTALLATION INSTRUCTIONS
1. Inspect the air conditioner and verify correct functionality before mounting the air conditioner. See
HANDLING AND TESTING THE AIR CONDITIONER on page 3.
2. Using the cutout dimensions shown page 5 in this manual, prepare the air “IN” and air “OUT”openings,
and mounting bolt hole pattern for the enclosure.
3. Using the gasket kit provided, install gaskets to air conditioner.
4. Mount air conditioner on enclosure using mounting bolts and screws provided.“EZ”mount tabs
can be used to hold unit on enclosure while mounting in place. Allow unit to remain upright for a
during operation.
5. When routing the drain tube, caution should be taken to keep it from kinking or being elevated above
the exit point of the air conditioner. The drain tube must be on a continuous downward slope. A
slight elevation of the tube could result in secondary trap. FAILURE TO FOLLOW THESE INSTRUCTIONS
COULD RESULT IN OVERFLOWING OF THE CONDENSATE DRAIN PAN.
6. Refer to top of nameplate for electrical requirements. Connect the power cord to a properly grounded
power supply. Use of an extension cord is not recommended. Electrical circuit should be fused with
slow blow or HACR circuit breaker.
Design Data
Model Voltage Hz Full Load
Amps Phase
BTU/Hr. @
Max Ambient
Temperature
Max Ambient
Temperature
(°F/°C)
Shipping
Weight
(lb./kg)
T150116GXXX 115 60 3.6 1 800 131/55 27/12.3
T150116GXXX 100 50 3.8 1 800 125/52 27/12.3
T150126GXXX 230 60 1.5 1 900 131/55 27/12.3
T150126GXXX 220 50 1.4 1 800 125/52 27/12.3
Dimensional Drawing
FRONT
3/8 INCH DRAIN STUB MOUNTING HARDWARE FOR FULLY RECESSED
MOUNTING IS BEHIND REMOVEABLE FRONT COVER.
CLEANABLE, REUSEABLE ALUMINUM INLET FILTER
SLIDES OUT SLOT IN BOTTOM OF FRONT COVER.
RIGHT
TOP
BACK
AMBIENT
AIR OUT
AMBIENT
AIR IN
ENCLOSURE
AIR IN
POWER
CORD
EXIT
FIELD CHANGEABLE POWER
CORD LOCATION (OPPOSITE
SIDE OF UNIT)
1/4-20 MOUNTING HOLES (8)
(4 ON BACK FACE; 4 BEHIND
FRONT COVER)
ENCLOSURE
AIR OUT
*
*
*
*Call for lead time
© 2010 Pentair Technical Products89059119 - 5 -
Mounting Cutout Dimensions
Externally Mounted Internally Mounted
Cutout Instructions
(As viewed from outside of enclosure)
NOTE: Phantom lines represent air conditioner.
Components List
Part Description Part Number
115V 230V
Fan, Condenser 12-1012-01 12-1012-02
Fan, Evaporator 13-1015-01 13-1015-02
Capacitor, Compressor 52-6032-09 52-6032-10
Coil, Condenser 15-1001-02 15-1001-02
Coil, Condenser, Coated 15-1001-01 15-1001-01
Coil, Evaporator 15-1001-03 15-1001-03
Compressor 10-1016-82 10-1026-101
Filter, Air, Reusable 89057626 89057626
Filter/Dryer 52-6028-03 52-6028-03
Freeze stat 10-1033-26 10-1033-26
Service Cord 52-6035-140 52-6035-141
Terminal Block 10-1003-03 10-1003-03
Thermal Overload, Compressor 10-1007-67 10-1007-68
Thermostat, SPST, 55-100F 10-1061-16 10-1061-16
Optional Heater 10-2004-23 10-2004-24
Optional Malf Switch 52-6104-42 52-6104-42
OPTIONAL CUTOUTS
FOR THERMOSTAT
ADJUSTMENT ACCESS
© 2010 Pentair Technical Products 89059119
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Wire Diagrams
Without Heat
SERVICE
CORD
SUPPRESSOR
TERMINAL BLOCK
RUN
CAPACITOR
COMPRESSOR
THERMOSTAT FREEZESTAT
CONDENSER FAN EVAPORATOR FAN
© 2010 Pentair Technical Products89059119 - 7 -
With Heat
SERVICE
CORD
SUPPRESSOR
(OPTIONAL)
TERMINAL BLOCK
RUN
CAPACITOR
COMPRESSOR HEATER
COMPRESSOR
HEATING
THERMOSTAT
HEAD
PRESSURE
CONTROL
OPTIONAL
MALFUNCTION
SWITCH
COOLING
THERMOSTAT
FREEZESTAT
HEATER
CONDENSER FAN
EVAPORATOR FAN
© 2010 Pentair Technical Products 89059119
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Schematics
With Heat Without Heat
SUPPRESSOR
(OPTIONAL)
EVAPORATOR FAN
COMPRESSOR HEATER
CONDENSER FAN
THERMOSTAT
FREEZESTAT
RUN CAPACITOR RUN CAPACITOR
FREEZESTAT
THERMOSTAT
COOLING
THERMOSTAT HEATING
AND HEATER
CONDENSER
FAN WITH HEAD
PRESSURE CONTROL
COMPRESSOR AND
OVERLOAD COMPRESSOR AND
OVERLOAD
EVAPORATOR FAN
SUPPRESSOR
© 2010 Pentair Technical Products89059119 - 9 -
TEMPERATURE CONTROL
The electromechanical thermostat is factory preset to 75 F/23 C. To change the temperature setting, remove the nylon
plug from the front face of the unit. Use a standard screwdriver to adjust thermostat. For cooler temperatures turn
clockwise, for warmer temperatures turn counterclockwise. Setpoint dierential is 6 F.
Units With heat
With a dial setting of 75 F, heat will turn on @ 70 F and turn o @ 75 F. Cooling will turn on @ 85 F and turn o at 80 F.
There is a 10 F dierence between the heater o setpoint and cooling on setpoint to prevent both from operating at
the same time.
The dial range of the thermostat is 50-95 F.
PRINCIPLES OF OPERATION
If electrical power to the air conditioner is interrupted and reapplied immediately, (within 3 to 5 seconds), the
compressor may not restart due to the high back pressure of the compressor. It takes a minimum of one (1) minute
after shut-down for the compressor suction and discharge pressures to equalize in order for the air conditioner to
restart.
Operating the air conditioner below the minimum ambient temperature or above the maximum ambient
temperatures indicated on the nameplate voids all warranties.
It is recommended that the warranty section of this manual be read in order to familiarize yourself with parameters of
restricted operation.
The moisture that the enclosure air can contain is limited. If moisture ows from the drain tube continuously this can
only mean that ambient air is entering the enclosure. Be aware that frequent opening of the enclosure’s door admits
humid air, which the air conditioner must then dehumidify.
Units with the optional malfunction switch have a normally open connection between the red & yellow wires and
normally closed with the red and blue wires. During alarm the red and yellow wires will be closed and the blue and red
wires will be open.
Maximum electrical ratings for the switch are 13A for 120 VAC and 10A for 240 VAC.
© 2010 Pentair Technical Products 89059119
- 10 -
MAINTENANCE
Compressor
The compressor requires no maintenance. It is hermetically sealed, properly lubricated at the factory and should
provide years of satisfactory operating service.
Should the refrigerant charge be lost, recharging ports (access ttings) on the suction and discharge sides of the
compressor are provided for recharging and/or checking suction and discharge pressures.
Under no circumstances should the access tting covers be loosened, removed or tampered with.
Breaking of seals on compressor access ttings during warranty period will void warranty on hermetic system.
Recharging ports are provided for the ease and convenience of reputable refrigeration repair service personnel for
recharging the air conditioner.
Inlet Air Filter
Proper maintenance of the inlet air lter, located behind the front cover, will assure normal operation of the air
conditioner. If lter maintenance is delayed or ignored, the maximum ambient temperatures under which the unit is
designed to operate will be decreased.
If the compressor’s operating temperature increases above designed conditions due to a dirty or clogged lter (or
plugged condenser coil), the air conditioner’s compressor will stop operating due to actuation of the thermal overload
cut-out switch located on the compressor housing. As soon as the compressor temperature has dropped to within
the switch’s cut-in setting, the compressor will restart automatically. However, the above condition will continue to
take place until the lter or coil has been cleaned. It is recommended that power to the air conditioner be interrupted
intentionally when abnormally high compressor operating temperature causes automatic shut-down of the unit. The
above described shutdown is symptomatic of a clogged or dirty lter, thus causing a reduction in cooling air ow
across the surface of the compressor and condenser coil.
Do not run the air conditioner for extended periods of time with the lter removed. Particles of dust, lint, etc., can plug
the ns of the condenser coil which will give the same reaction as a plugged lter. The condenser coil is not visible
through the lter opening, so protect it with a lter.
Continued operation under the above conditions can and will damage and shorten compressor life. The air
conditioner is available with an easily removable inlet lter to facilitate necessary cleaning. There should be no reason
to neglect this necessary maintenance.
How To Remove, Clean or Install a New Inlet Air Filter
RP aluminum washable air lters are designed to provide excellent ltering eciency with a high dust holding
capacity and a minimum amount of resistance to air ow. Because they are constructed entirely of aluminum they are
lightweight and easy to service. Optimum lter performance is maintained by recoating the lters after washing with
RP Super Filter Coat adhesive. To achieve maximum performance from your air handling equipment, air lters should
be cleaned on a regular basis.
The inlet air lter is located behind the front cover. To access lter, pull ring protruding from slot in bottom of front
cover. The lter may now be cleaned or new lter installed.
Cleaning Instructions:
1. Flush the lter with warm water from the exhaust side to the intake side. DO NOT USE CAUSTICS.
2. After ushing, allow lter to drain. Placing it with a corner down will assure complete drainage.
3. Recoat the lters with RP Super Filter Coat adhesive. When spraying lter do so from both sides for
maximum concentration of adhesive.
Indice
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