Friedrich XQ06M10, EQ08M11, XQ05M10, XQ10M10, XQ08M10 service manual Allowing discharge air to short

Page 36

COOLING ONLY ROOM AIR CONDITIONERS: TROUBLESHOOTING TIPS

PROBLEM

POSSIBLE CAUSE

ACTION

 

 

 

 

Sublimation:

Ensure that foam gaskets are installed in

 

When unconditioned saturated,

between window panes & in between the

 

outside air mixes with conditioned

unit & the sleeve. Also, ensure that fresh

 

air, condensation forms on the

air/exhaust vents (on applicable models) are in

Water “spitting”

cooler surfaces

the closed position & are in tact

into room

Downward pitch of installation is

Follow installation instructions to ensure that

 

downward pitch of installed unit is no less than

 

too steep towards back of unit

 

1/4” & no more than 3/8”

 

 

 

 

 

 

Restricted coil or dirty filter

Clean & advise customer of periodic cleaning

 

& maintenance needs of entire unit

 

 

 

 

 

 

 

 

PROBLEM

POSSIBLE CAUSE

ACTION

 

 

 

 

Insufficient air circulation thru area

Adjust louvers for best possible air circulation

 

to be air conditioned

Excessive

 

Oversized unit

Operate in “MoneySaver” position

moisture

Inadequate vapor barrier in building

Advise customer

 

 

structure, particularly floors

 

 

 

 

PROBLEM

POSSIBLE CAUSE

ACTION

 

 

 

 

Defective thermistor

Replace thermistor or electronic control board

 

 

 

 

T-stat differential too narrow

Replace t-stat

T-stat or

Plenum gasket not sealing,

Check gasket. Reposition or replace as

thermistor

allowing discharge air to short

needed

short cycles

cycle t-stat

 

 

 

 

 

 

 

Restricted coil or dirty filter

Clean & advise customer of periodic cleaning

 

& maintenance needs of entire unit

 

 

 

 

 

 

 

 

PROBLEM

POSSIBLE CAUSE

ACTION

 

 

 

 

Heat anticipator (resistor) wire

 

 

disconnected at t-stat or system

Refer to appropriate wiring diagram

 

switch

 

 

 

 

 

 

Disconnect plus from outlet. Remove resistor

Prolonged off

Heat anticipator (resistor) shorted or

from bracket. Insert plug & depress “COOL”

cycles (automatic

& “FAN AUTOMATIC” buttons. Place t-stat to

open

warmest setting. Feel resistor for temperature.

operation)

 

 

 

If no heat, replace resistor

 

 

 

 

Partial loss of charge in t-stat bulb

Replace t-stat

 

causing a wide differential

 

 

 

 

 

 

Defective thermistor

Replace thermistor or electronic control board

 

 

 

 

 

 

PROBLEM

POSSIBLE CAUSE

ACTION

 

 

 

 

Evaporator drain pan cracked or

Repair, clean or replace as required

 

obstructed

 

 

 

Water in compressor area

Detach shroud from pan & coil. Clean &

Outside water

remove old sealer. Reseal, reinstall & check

 

leaks

Obstructed condenser coil

Use pressure wash or biodegradable cleaning

 

agent to clean

 

 

 

Fan blade/slinger ring improperly

Adjust fan blade to 1/2” of condenser coil fin

 

positioned

pack

 

 

 

35

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Contents Volt XQ05M10*, XQ06M10*, XQ08M10*, XQ10M10 Volt EQ08M11Table Of Contents Important Safety Information Your safety and the safety of others are very importantRefrigeration System Hazards Introduction Property Damage HazardsUnit Identification 6th Digit Voltage5th Digit Model Series / Year Introduced 00001Performance Data Electrical Data Electric Shock HazardFire Hazard Electrical Shock Hazard How to operate the Friedrich room air conditioner XQ models How to use the remote control XQ models Electronic Control Sequence of Operation Functional Component Definitions Mechanical ComponentsElectrical Components Hermetic ComponentsComponents Testing Testing the Electronic Control Boards for XQ ModelsError Code Listings Activating Test ModeEQ08 System Control Switch Test EQ08 System Control Switch TestThermostat Adjustment TestCapacitors Capacitor Check with Capacitor AnalyzerCapacitor Connections FAN MotorTesting the Heating Element Electric Shock Hazard Heating ElementDrain PAN Valve Refrigeration Sequence of Operation 410A Sealed System Repair Considerations Refrigeration system under high pressure410A Sealed Refrigeration System Repairs Equipment RequiredEquipment Must be Capable Risk of Electric ShockMethod Of Charging / Repairs Burn HazardFreeze Hazard Undercharged Refrigerant Systems Overcharged Refrigerant SystemsRestricted Refrigerant System Compressor Checks Single Phase Resistance Test Ground TestCompressor Replacement Recommended procedure for compressor replacementHigh Temperatures Explosion HazardRotary Compressor Special Troubleshooting and Service Routine Maintenance Sleeve / Drain Front CoverClearances Room AIR Conditioner Unit Performance Test Data Sheet Date Model SerialGeneral Troubleshooting Tips Unit does not operateDo not try to operate your air conditioner Cooling only Room AIR Conditioners Troubleshooting Tips Replace fuse, reset breaker. If repeats, check Fused separately Allowing discharge air to short Heat / Cool only Room AIR Conditioners Troubleshooting Tips Electronic Control Cool only Models Last character may vary Aham PUB. NO. RAC-1 Cooling Load Estimate Form Heat Gain from Quantity FactorsDAY Following is an example using the heat load form Heat Load FormWindows & Doors Area, sq. ft Infiltration Windows & Doors AVGRoom AIR Conditioners Limited Warranty Technical Support Contact Information Page Friedrich AIR Conditioning CO

XQ08M10, XQ10M10, XQ05M10, XQ06M10, EQ08M11 specifications

Friedrich offers a range of innovative air conditioning units designed to provide superior comfort and energy efficiency. Among its lineup, the XQ06M10, EQ08M11, XQ05M10, XQ08M10, and XQ10M10 models stand out due to their advanced technologies and user-friendly features.

The XQ series, with models like XQ06M10 and XQ05M10, is renowned for its sleek design and exceptional performance in cooling and heating environments. These models utilize a highly efficient compressor system that reduces energy consumption while maintaining optimal temperature control. The XQ06M10, for example, is designed for medium-sized rooms, featuring a cooling capacity that caters well to residential and small office settings.

On the other hand, the EQ08M11 model is known for its enhanced energy efficiency compared to traditional units, thanks to its inverter technology. This feature allows the compressor to adjust its speed according to the cooling demand, resulting in lower energy costs and a quieter operation. The EQ08M11 is also equipped with a multi-stage filtration system, improving indoor air quality by capturing dust, allergens, and pollutants.

The XQ08M10 and XQ10M10 cater to larger spaces, with their respective higher cooling capacities making them suitable for bigger living areas or small commercial settings. Both models boast an easy-to-use digital control panel, which requires minimal effort to adjust settings. Additionally, they include a programmable timer feature, allowing users to automate operation according to their daily schedules, further enhancing energy savings.

All these models showcase Friedrich’s commitment to durability and reliability, built with high-grade materials designed to withstand varying temperatures and humidity levels. The XQ series is compact, facilitating easy installation without compromising performance.

In summary, the Friedrich XQ06M10, EQ08M11, XQ05M10, XQ08M10, and XQ10M10 models combine cutting-edge technology with practicality, ensuring an efficient and enjoyable indoor climate. With features aimed at energy efficiency, ease of use, and effective air filtration, these units represent a smart investment for anyone looking to enhance their living or working environment.
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