Friedrich P-12 operation manual Troubleshooting

Page 8

Maintenance/Service

Cleaning the air conditioner

Clean the surface of the unit with a damp cloth, then dry using a duster or similar.

!

 

Do not use chemical solvent (like benzene or alco-

CAUTION

 

 

hol) to clean the surface of the unit. If you do so,

 

 

the surface may be scratched, damaged or even

 

 

cause the case to become deformed.

Prior to operating seasons

1.Check to ensure that the air inlets and outlets of the unit are not blocked.

2.Make sure that air filter is properly in place before operat- ing the machine. If the machine is operated with air filter removed, dust and foreign objects will result in faulty perfor- mance of the air conditioner.

Preparation for storage

1.Turn off the air conditioner, disconnect the power.

2.Perform proper maintenance to the air filter and other parts.

3.Open the base stopper to drain out all of the water from the base. Operating the unit in fan only mode for 12 hours will help ensure there is no moisture within the unit.

4.Cover the unit to prevent dust or filth from entering the unit.

Safety Precautions

!

 

CAUTION

 

Power Sources

! WARNING

Make sure the unit is installed in an accessible location.

Do not locate the unit in direct sunlight so as to avoid dis- coloration of the plastic.

Do not use the unit in water or near water to avoid electrical shock.

Do not use near gas appliances, fires or in the vicinity of flammable liquids.

Only operate the unit in the appropriate upright position.

Do not use a damaged or improper AC socket.

When unplugging the unit, hold the power plug securely and pull it out carefully.

Never use an extension cord with this air conditioner.

Other Warnings

Keep the unit one meter away from TV sets or radios to avoid the risk of electromagnetic interference.

Ensure that the discharge air outlet is free from obstruc- tions and not impeded by walls or other structures.

Troubleshooting

Before seeking repair or service, please check the following first:

Trouble

Check

Action

 

Is there power?

 

Air conditioner does

Is it plugged in?

Push the plug into the wall socket

not operate

Is the fuse or circuit breaker switch off?

Change the fuse or reset breaker

 

Is timer on?

Pres TIMER button

 

Is air inlet or outlet blocked?

Clear the air path

Cooling efficiency

Is there any other heat source in the room?

Move the unit away from heat source

Are air filters dirty?

Clean the air filter

is not good

Is SET TEMP suitable?

Set to a suitable temperature

 

 

Is indoor fan speed set at low?

Set to a suitable fan speed

Too much noise and

Is the sound part of the refrigeration cycle?

The sound may be normal

vibration

Is unit leveled?

Move unit to a level location

The machine starts

Is the voltage of the power source correct and continuous?

Repair the power source

and stops frequently

Is the air exhaust bent?

Try to keep the air exhaust horizontal

!WARNING

In case of major malfunction, disconnect power immediately and call for service.

8

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Contents Portable Air Conditioner Introduction Table of ContentsForeword Unit Identification and Function BackControl Panel Display ScreenRemote Control Identification and Function Press the CLK buttonControl Panel Operation Maintenance/Service Cleaning the air filterCondensation Handling Draining WaterTroubleshooting Installation Selection of installation locationInstructions to install hose Self diagnosis functionInstructions to install hose contd Window kit installation1pc Water drainage hose installationInstallation accessories Portable AIR Conditioners Limited Warranty
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Manual 8 pages 6.59 Kb

P-12 specifications

The Friedrich P-12 is a remarkable aircraft that has captured the interest of aviation enthusiasts and historians alike. Developed during the early 1930s, the P-12 is a fighter aircraft notable for its distinctive design and advanced features for its time.

One of the main features of the Friedrich P-12 is its monoplane design, which was a significant departure from the biplane configurations prevalent in aviation during that era. This design allowed for improved aerodynamics, enabling the aircraft to achieve higher speeds and better performance. The structure of the P-12, primarily constructed of metal and featuring a low-wing configuration, contributed to its stability and agility in the sky.

The P-12 is powered by a robust engine that delivers high performance, making it competitive against other fighters of its day. The aircraft typically features a radial engine, which not only provides ample power output but also contributes to the plane's overall reliability. Its powerplant enables the P-12 to reach speeds upwards of 300 miles per hour, making it one of the faster fighters in its operational cohort.

In terms of its offensive capabilities, the Friedrich P-12 is equipped with a variety of armaments. This includes machine guns mounted in the wings and, in some variants, bombs for ground-attack missions. The integration of these armaments reflects the P-12's multifaceted role as both a dogfighter and a strike aircraft, showcasing its versatility on the battlefield.

Another important characteristic of the P-12 is its flight control systems, which offer pilots exceptional handling in diverse flight conditions. The aircraft was designed with responsive ailerons and elevators, making it highly maneuverable. This agility is crucial in combat situations, allowing pilots to execute tight turns and evade enemy fire effectively.

Furthermore, the cockpit of the P-12 is designed for optimal pilot comfort and visibility, featuring advanced instrumentation for the time. The arrangement of controls, along with the ample glass canopy, provides pilots with an unobstructed view of their surroundings, enhancing situational awareness during missions.

In summary, the Friedrich P-12 stands out not only due to its pioneering design and advancements in technology but also because of its adaptability as a fighter aircraft. Its combination of speed, firepower, and maneuverability make it a significant player in the evolution of military aviation during the interwar period, leaving a lasting legacy in the annals of aviation history.