Friedrich WS14B10A-C, WS08B10A-C manual Cooling only Room AIR Conditioners Troubleshooting Tips

Page 15

COOLING ONLY ROOM AIR CONDITIONERS: TROUBLESHOOTING TIPS

Problem

Possible Cause

Action

 

Low voltage

Check voltage at compressor. 115V & 230V

 

units will operate at 10% voltage variance

 

 

 

 

 

 

T-stat not set cold enough or

Set t-stat to coldest position. Test t-stat & re-

 

inoperative

place if inoperative

 

 

 

 

Compressor hums but cuts off on

Hard start compressor. Direct test compressor.

Compressor

B10 overload

If compressor starts, add starting components

Open or shorted compressor

 

does not run

Check for continuity & resistance

windings

 

 

 

Open overload

Test overload protector & replace if inoperative

 

Open capacitor

Test capacitor & replace if inoperative

 

Inoperative system switch

Test for continuity in all positions. Replace if

 

inoperative

 

 

 

Broken, loose or incorrect wiring

Refer to appropriate wiring diagrams to check

 

wiring

 

 

 

 

 

Problem

Possible Cause

Action

 

Inoperative system switch

Test switch & replace if inoperative

 

Broken, loose or incorrect wiring

Refer to applicable wiring diagram

Fan motor

Open capacitor

Test capacitor & replace if inoperative

does not run

Fan speed switch open

Test switch & replace if inoperative

 

Inoperative fan motor

Test fan motor & replace if inoperative (be sure

 

internal overload has had time to reset)

 

 

Problem

Possible Cause

Action

 

Undersized unit

Refer to industry standard sizing chart

 

T-stat open or inoperative

Set to coldest position. Test t-stat & replace if

 

necessary

 

 

 

Dirty filter

Clean as recommended in Owner's Manual

 

Dirty or restricted condenser or

Use pressure wash or biodegradable cleaning

Does not cool or

evaporator coil

agent to clean

only cools slightly

Poor air circulation

Adjust discharge louvers. Use high fan speed

 

Fresh air or exhaust air door open

Close doors. Instruct customer on use of this

 

on applicable models

feature

 

Low capacity - undercharge

Check for leak & make repair

 

Compressor not pumping properly

Check amperage draw against nameplate. If

 

not conclusive, make pressure test

 

 

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Contents Service & Parts Manual Table of Contents WALLMASTER≤ THRU-THE-WALL AIR Conditioners Limited Warranty Routine Maintenance RAC Serial Number Identification Guide Friedrich Room Model Number CodeOperating Performance DataElectric Shock Hazard Electrical DataMechanical components Functional ComponentsError Code Listings Testing the Electronic ControlChecking Room Temperature Activating Test ModeSystem Control Switch Test System Control SwitchSealed Refrigeration System Repairs Refrigeration System Sequence of OperationEquipment Must be Capable Hermetic Component ReplacementSealed Refrigeration System Repairs Equipment RequiredSpecial Procedure in the Case of Motor Compressor Burnout Rotary Compressor Special Troubleshooting and ServiceRefrigerant Charge Malfunction of Valve Normal Function of ValveProblem Possible Cause Action Cooling only Room AIR Conditioners Troubleshooting TipsReplace fuse, reset breaker. If repeats, check Problem Possible Cause Action Water spitting Heat / Cool Room AIR Conditioners Troubleshooting Tips Problem Possible Cause Action Wiring Diagram Models WS08B10A-C, WS10B10A-C Wiring Diagram Models WS16B30A-C Wiring Diagram Models WE10B33A-B, WE13B33B-B Wiring Diagram Models WE16B33A-B Wiring Diagram Models WY10B33A-B, WY13B33A-B 46A WS, WE & WY Series Chassis PartsElectrical Parts Wallmaster PartsSHROUD, Condenser WS, WE & WY Series Sleeve Parts WS WE WY Series Sleeve PartsWM-Svc-Prts-07

WS10B10A-C, WS10B30A-C, WS16B30A-C, WS13B30B-C, WY10B33A-B specifications

Friedrich manufactures a range of high-quality air conditioning units, including models WY13B33A-B, WS13B30B-C, WE16B33A-B, WS10B10A-C, and WS08B10A-C. These units are designed to offer reliable climate control for both residential and commercial spaces, while incorporating advanced technologies and energy-efficient features.

The WY13B33A-B model stands out with its impressive cooling capacity of 13,000 BTU, making it ideal for medium-sized rooms. It employs inverter technology, which not only optimizes energy consumption but also ensures a quieter operation by adjusting the compressor speed based on cooling demand. This model is equipped with a programmable thermostat, allowing users to set preferred temperatures and schedules, enhancing both comfort and efficiency.

The WS13B30B-C also features a robust cooling capability, paired with a sleek design that fits seamlessly into various interiors. Its user-friendly digital control panel and remote control operation enhance the overall user experience. Additionally, the unit is designed with energy-saving modes that further contribute to lower electricity bills without sacrificing performance.

The WE16B33A-B model is tailored for larger spaces, boasting a cooling capacity of 16,000 BTU. This makes it a great choice for open-plan areas or rooms with high ceilings. Its multi-speed fan and adjustable louvers provide customized airflow, ensuring that every corner of the room is adequately cooled. Notably, this model includes a dehumidification function that efficiently reduces humidity levels, promoting a more comfortable environment.

On the other hand, the WS10B10A-C and WS08B10A-C models are compact, making them perfect for smaller areas or specific applications such as bedrooms or home offices. Both units have a cooling capacity of 10,000 BTU and 8,000 BTU, respectively. They feature easy-to-use mechanical controls and are designed for simple installation, making them an excellent choice for individuals seeking an affordable yet effective cooling solution.

All Friedrich air conditioning units are built with durability and longevity in mind, incorporating high-quality materials and construction practices. Additionally, they boast reliable warranty options, ensuring peace of mind for consumers. In summary, Friedrich’s WY13B33A-B, WS13B30B-C, WE16B33A-B, WS10B10A-C, and WS08B10A-C models represent a blend of innovative technology, energy efficiency, and performance, tailored to meet diverse cooling needs.
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