Heat Controller RAD-243A, RAD-183A Room Air Conditioner Voltage Limits, Complaint Cause Remedy

Page 32

Troubleshooting Guide

Room AirConditioner VoltageLimits

 

NAME PLATE RATING

 

MINIMUM

 

MAXIMUM

 

208~230±10%

 

 

187V

 

253V

 

115±10%

 

 

104V

 

126V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

COMPLAINT

CAUSE

 

 

REMEDY

 

 

 

 

 

 

 

 

Fan motor will not run.

No power

 

Check voltage at outlet. Correct if necessary.

 

 

 

 

 

 

 

 

 

Power supply cord

 

Check voltage to rotary switch. If none, check power

 

 

 

 

 

supply cord. Replace cord if circuit is open.

 

 

 

 

 

 

 

 

 

Rotary switch

 

Check switch continuity. Refer to wiring diagram for

 

 

 

 

 

terminal identification. Replace switch if defective.

 

 

 

 

 

 

 

 

Wire disconnected or con-

Connect wire. Refer to wiring diagram for terminal

 

 

nection loose

 

identification. Repair or replace loose terminal.

 

 

 

 

 

 

 

 

 

 

Capacitor (Discharge

 

Test capacitor.

 

 

 

capacitor before testing.)

Replace if not within ±10% of manufacturer's rating.

 

 

 

 

 

Replace if shorted, open, or damaged.

 

 

 

 

 

 

 

 

 

Will not rotate

 

Fan blade hitting shroud or blower wheel hitting

 

 

 

 

 

scroll. Realign assembly.

 

 

 

 

 

 

Units using slinger ring for condenser fan must have

 

 

 

 

 

1/4 to 5/16 inch clearance to the base. If it hits the

 

 

 

 

 

base, shim up the bottom of the fan motor with

 

 

 

 

 

mounting screw(s).

 

 

 

 

 

 

Check fan motor bearings; if motor shaft will not

 

 

 

 

 

rotate, replace the motor.

 

 

 

 

 

 

 

 

 

Fan motor runs

Revolves on overload.

 

Check voltage. If not within limits, call an electrician.

 

intermittently

 

 

 

Test capacitor.

 

 

 

 

 

 

 

 

 

 

 

 

Check bearings. Does the fan blade rotate freely?

 

 

 

 

 

If not, replace fan motor.

 

 

 

 

 

 

Pay attention to any change from high speed to

 

 

 

 

 

low speed. If the speed does not change, replace the

 

 

 

 

 

motor.

 

 

Fan motor noise.

Fan

 

If cracked, out of balance, or partially missing,

 

 

 

 

replace it.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Turbo

 

If cracked, out of balance, or partially missing,

 

 

 

 

 

replace it.

 

 

 

 

 

 

 

 

 

 

 

Loose clamper

 

Tighten it.

 

 

 

 

 

 

 

 

 

 

Worn bearings

 

If knocking sounds continue when running or loose,

 

 

 

 

 

replace the motor. If the motor hums or noise

 

 

 

 

 

appears to be internal while running, replace motor.

 

 

 

 

 

 

 

 

 

Compressor will not run,

Voltage

 

Check voltage.

 

 

but fan motor runs.

 

 

 

If not within limits, call an electrician.

 

 

 

 

 

 

 

 

 

Wiring

 

Check the wire connections, if loose, repair or

 

 

 

 

 

replace the terminal. If wires are off, refer to wiring

 

 

 

 

 

diagram for identification, and replace. Check wire

 

 

 

 

 

locations. If not per wiring diagram, correct.

 

 

 

 

 

 

 

 

 

Rotary

 

Check for continuity, refer to the wiring diagram for

 

 

 

 

 

terminal identification. Replace the switch if circuit is

 

 

 

 

 

open.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Service Manual 32

Page 31 Page 33
Image 32
Page 31 Page 33
Contents +$7&21752//5,1& Table of Contents Safety Precautions Be sure not to do Be sure to follow the instructionDo not modify or extend the power cord Outside Dimensions DimensionsSymbols Used in this Manual Product Specifications Items Models760/1,850 Installation Installation CheckHow to Secure the Drain Pipe Select the Best LocationInstallation Kits Contents Window RequirementsSuggested Tool Requirements Preparation of ChassisCabinet Installation Installation Features OperationControl Locations Function of Controls Cooling Only ModelDisplay Remote Control RAD-183A, RAD-243ADisassembly Mechanical PartsFront Grille CabinetFan Cover at the topBlower Electrical Parts ShroudMotor CompressorPower Cord CapacitorThermistor Synchronous MotorCapillary Tube Refrigerating CycleEvaporator Disassembly Pulling Vacuum Diagram CN-TH1Wiring Diagram Model RAD-183A and RAD-243AMain P.W.B Assembly Display P.W.B Assembly Components LocationTroubleshooting Guide Piping SystemTroubleshooting Guide Unit runs but poor coolingFails to Start Electrical Parts Troubleshooting Guide Possible TroubleIC01M 0V? IC01M DC 5V? Delay? IC01M 0V? Possible Trouble 6 Remote controller does not operate Room Air Conditioner Voltage Limits Complaint Cause RemedyTroubleshooting Guide Troubleshooting Guide Exploded View Cooling ModelRemark Replacement Parts List LocNo Grille ASSY,FrontSINGLEGrille ASSY,INLET 35211A+$7&21752//5,1&

RAD-183A, RAD-243A specifications

The Heat Controller RAD-183A and RAD-243A are advanced heating solutions designed for optimal climate control and energy efficiency. These models cater to both residential and commercial spaces, providing reliable heating with user-friendly features and innovative technologies.

One of the standout features of the RAD series is its exceptional heating capacity. The RAD-183A has the capability to heat spaces up to 1,800 square feet, making it ideal for medium-sized rooms, while the RAD-243A can effectively service larger areas, catering to spaces of up to 2,400 square feet. This capacity ensures that users can maintain a comfortable environment regardless of external weather conditions.

Both models are equipped with smart heating technology that adjusts the output based on the room's temperature. The thermostat embedded in the RAD-183A and RAD-243A allows for precise temperature control, ensuring that the desired warmth is maintained without unnecessary energy consumption. This means users can rely on their heating system to provide a cozy atmosphere while saving on energy bills.

Energy efficiency is at the forefront of the design for both models. They are engineered to comply with rigorous energy consumption regulations, helping to reduce carbon footprints and lower operating costs. Their high efficiency ratings reflect their capability to deliver maximum heat output while utilizing minimal electricity. This makes them an environmentally friendly choice for conscientious consumers.

Another key characteristic of the RAD-183A and RAD-243A is their user-friendly interface. Both units feature easy-to-read displays and intuitive controls, allowing users to adjust settings effortlessly. With programmable features, homeowners can set schedules to align with their daily routines, further optimizing energy use while ensuring comfort.

Safety is also a paramount consideration in the design of these models. Equipped with multiple safety features, including overheat protection and tip-over switches, users can have peace of mind knowing that their heater operates safely and reliably.

In summary, the Heat Controller RAD-183A and RAD-243A stand out in the market due to their efficient heating capabilities, smart technology, energy efficiency, and user-centric design. With these models, individuals can experience warmth and comfort in their spaces while being mindful of energy consumption and safety.
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