Friedrich CP18N30, CP24N30, CP14N10 manual Overload inoperative. Opens too soon

Page 15

Cooling Only Room Air Conditioners: Troubleshooting Tips

Problem

Possible Cause

Action

 

Overload inoperative. Opens too soon

Check operation of unit. Replace overload if system

 

operation is satisfactory

 

 

 

Compressor restarted before system pressures

Allow a minimum of 2 minutes to allow pressures

 

to equalize before attempting to restart. Instruct

 

equalized

 

customer of waiting period

 

 

 

 

 

 

 

Check voltage with unit operating. Check for

Compressor runs for

Low or fluctuating voltage

other appliances on circuit. Air conditioner should

be in separate circuit for proper voltage & fused

short periods only.

 

 

separately

Cycles on overload

 

 

 

Incorrect wiring

Refer to appropriate wiring diagram

 

 

Shorted or incorrect capacitor

Check by substituting a known good capacitor of

 

correct rating

 

 

 

Restricted or low air flow through condenser coil

Check for proper fan speed or blocked condenser

 

 

 

 

Compressor running abnormally hot

Check for kinked discharge line or restricted

 

condenser. Check amperage

 

 

Problem

Possible Cause

Action

 

Loss of charge in t-stat bulb

Place jumper across t-stat terminals to check if unit

T-stat does not

operates. If unit operates, replace t-stat.

 

turn unit on

Loose or broken parts in t-stat

Check as above

 

Incorrect wiring

Refer to appropriate wiring diagram

Problem

Possible Cause

Action

 

Poorly installed

Refer to Installation Manual for proper installation

 

 

 

 

Fan blade striking chassis

Reposition - adjust motor mount

Noisy operation

 

Check that compressor grommets have not

Compressor vibrating

deteriorated. Check that compressor mounting parts

 

 

 

are not missing

 

 

 

 

Improperly mounted or loose cabinet parts

Check assembly & parts for looseness, rubbing &

 

rattling

 

 

Problem

Possible Cause

Action

 

Evaporator drain pan overflowing

Clean obstructed drain trough

 

Condensation forming on base pan

Evaporator drain pan broken or cracked. Reseal or

 

replace

 

 

Water leaks into the

Poor installation resulting in rain entering the room

Check installation instructions. Reseal as required

 

 

room

Condensation on discharge grille louvers

Clean the dirty evaporator coil. Use pressure wash

 

or biodegradable cleaning agent to clean

 

 

 

Chassis gasket not installed

Install gasket, per Installation manual

 

Downward slope of unit is too steep

Refer to installation manual for proper installation

 

 

 

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Contents Service & Parts Manual Table of Contents Performance Data Specifications and Technical ParametersModels CP14N10, CP18N30, CP24N30 Outer Component IdentificationInstallation Dimensions Wiring Diagrams Mechanical Components Functional Component DefinitionsRefrigerant System Components Refrigeration System Sequence of OperationEquipment Required Sealed Refrigeration System RepairsMethod of Charging Refrigerant ChargingUndercharged Refrigerant Systems Restricted Refrigerant System Problem Possible Cause Action Cooling Only Room Air Conditioners Troubleshooting TipsReplace fuse, reset breaker. If repeats, check fuse Overload inoperative. Opens too soon Surfaces Heat / Cool Room Air Conditioners Troubleshooting Tips Switch unit several times from heating to cooling Components No Description Qty Friedrich Part# Code Model CP14N10Model CP14N10 Description Qty Friedrich Part# Code Models CP18C30 & CP18N30Front Clapboard of Snail Shell Model CP24N30 Model CP24N30 Model CP24N30 Room AIR Conditioners Limited Warranty CP-14-18-24-Svc-Prts-07
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CP14N10, CP18N30, CP24N30 specifications

The Friedrich CP24N30, CP18N30, and CP14N10 are a trio of innovative portable air conditioning units designed to provide optimal comfort in residential and commercial settings. Each model boasts distinct features tailored to various room sizes, ensuring efficient temperature management.

Starting with the Friedrich CP24N30, this unit is engineered for larger spaces, able to cool areas up to 1,500 square feet. Its powerful cooling capacity of 24,000 BTUs allows it to quickly lower temperatures even in challenging environments. This model incorporates advanced inverter technology, which enhances energy efficiency by adjusting its cooling output according to the current temperature. Furthermore, the CP24N30 is equipped with a robust dehumidification function, capable of removing excess moisture from the air, making it ideal for humid climates. Its user-friendly interface, remote control, and Wi-Fi capability allow for convenient operation from anywhere in the home.

The Friedrich CP18N30 is a versatile choice for medium-sized rooms, covering up to 1,100 square feet with its 18,000 BTU cooling capacity. Like its larger counterpart, it features inverter technology, which not only saves energy but also results in quieter operation, a crucial factor for those who prioritize peace and tranquility in their living spaces. The CP18N30 also has a high EER (Energy Efficiency Ratio), making it a cost-effective option for cooling. Its built-in timer, along with programmable settings, enables homeowners to schedule operation according to their lifestyle, ensuring cooling is available when it is most required.

Lastly, the Friedrich CP14N10 is designed for smaller rooms, offering a cooling capacity of 14,000 BTUs and catering to areas up to 600 square feet. This unit balances performance and size, making it an excellent option for apartments and smaller living spaces. The CP14N10 maintains the brand's commitment to efficiency with its inverter technology that minimizes energy usage while maximizing cooling output. Like the other models, it includes a dehumidification setting, enhancing indoor air quality by alleviating humidity levels.

In all three models, Friedrich integrates smart technologies such as fault diagnosis and self-cleaning capabilities, ensuring reliability and ease of maintenance. Additionally, they come equipped with washable filters, promoting long-term efficiency and cleaner air. With their varying cooling capacities, these units offer tailored solutions for a wide array of environments while emphasizing energy efficiency and user convenience.