background image

14

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. (Temperature

Low Refrigerant charge.

Check discharge and suction pressure for

difference between return and

Refrigerant leak.

supply air is less than 10°F).

Failed Condenser Blower.

Check Blower wire connections.

Compressor and Evaporator Blower 

Check Blower Capacitor.

are running. Condenser Blower does

Replace Condenser Blower.

not run.

Failed Speed Controller.

Check Speed Controller Sensor.
Replace Speed Controller.

Unit not cooling. (Temperature

Condenser or Evaporator

Clean Coil.

difference between return and

Coil clogged.

supply air is less than 10°F).
Evaporator Blower, Condenser

Loss of Refrigerant.

Locate and repair leak.

Blower and Compressor are running.

Ice on Evaporator Coil.

Clean Evaporator Coil.
Check discharge and suction pressure for 
Refrigerant leak.
Check for any obstruction of Evaporator airflow.
Check and seal all openings.

Excessive condensate 

Eliminate the frequency of door openings.

draining and loss of A/C 
sensible cooling performance.

Unit overcooling.

Failed Thermostat.

Check Thermostat wire connections

.

Evaporator Blower, Condenser

Replace Thermostat.

Blower and Compressor are running.

Failed Relay.

Replace Relay.

Compressor cycling more than

Short circuiting of air

Provide baffle in the enclosure separating A/C

10 cycles per hour.

between A/C discharge 

Outlet and inlet.

and inlet openings.

Excess vibration.

Defective motor in Blower.

Replace motor.

Defective wheel in Blower.

Replace wheel.

Bad Compressor.

Replace Compressor.

Содержание K2A6C10NPT47L

Страница 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 900 034 11 NPT SERIES K_A6...

Страница 2: ...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 en...

Страница 3: ...ate 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 opera...

Страница 4: ...ESSURE P S I G LOW HIGH MAX FUSE SIZE SERVICE AIR FILTERS REGULARLY ALLOW 5 MIN BEFORE RESTARTING AFTER SHUTDOWN UNAUTHORIZED SERVICE OR MODIFICATION VIOLATES WARRANTY ALL MOTORS ARE THERMALLY PROTECT...

Страница 5: ...vaporator coil from freezing In conditions of low ambient temperature and low enclosure load the thermostat regulates the return air temperature from 75o F to 86o F The standard set point of the Low T...

Страница 6: ...or fan is running 9 Operate the air conditioner for approximately ten 10 minutes During this period no unusual noise or vibration should be evident Both the evaporator and condenser fans or blowers sh...

Страница 7: ...lets is essential for optimum performance of the air conditioner All externally mounted air conditioners are fully gasketed to ensure proper sealing This seal is necessary to maintain the integrity of...

Страница 8: ...7 5 12 16 308 9 MOUNTING PLAN Dimensions inches mm are for reference only and are subject to change 2 06 52 3 17 4 3 2 60 66 0 2 1 1 2 4 3 J2 3 4 5 10 9 8 7 6 1 2 3 J1 CG RELAY CONTACTS N O 240 VAC 12...

Страница 9: ...R SWITCH MOUNTING HOOKS 43 10 9 TYP 3 05 77 5 1 36 34 5 12 80 325 1 1 16 29 5 34 8 6 47 18 1198 4 33 65 854 7 7 80 198 1 12 22 310 4 8 54 216 9 50 12 7 DRAIN 8 71 221 2 1 31 33 3 12 02 305 3 1 89 48 0...

Страница 10: ...L K2A6C13NPT47L Part Part Number Part Number Part Number Compressor 0665 407 0665 408 0665 412 Compressor Run Capacitor 0452 90 0452 32 0452 52 Condenser Blower Motor 0261 287 0261 288 0261 288 Conden...

Страница 11: ...GN SUPPRESSOR T STAT 115 V 230 V OPTIONAL HEATER HEATER T STAT THERMAL CUTOUT CONDENSER BLOWER CAP CAP R C S O L COMPRESSOR OPTIONAL TERMINAL BLOCK COOLING EFFECT DETECTOR PRESSURE LIMITER PRESSURE SW...

Страница 12: ...y A Filter and condenser coil service If an optional filter is installed on externally mounted air conditioners filter should not be used for internal mounted air conditioners the rear panel must be r...

Страница 13: ...running Low Line Voltage Check Nameplate Voltage against supply Voltage Compressor and Condenser Blower do not run Return temperature is Failed Compressor Check Compressor wire connections above set p...

Страница 14: ...r Clean Coil difference between return and Coil clogged supply air is less than 10 F Evaporator Blower Condenser Loss of Refrigerant Locate and repair leak Blower and Compressor are running Ice on Eva...

Страница 15: ...iginal 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 Conta...

Страница 16: ...effective solution for a variety of applications Available in a variety of sizes and airflows Models available with either NEMA 12 or NEMA 12 3R Ratings Advantage Sentry Series Fast convenient mounti...

Отзывы: