Troubleshooting electronic air cleaner

Electrical Troubleshooting Procedure for Electronic Air Cleaner

 

START

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TO USE THIS CHART:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Make sure elec-

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1.

Follow the steps in order. Don't skip around.

 

tronic cell is clean,

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2.

Each time you isolate and fix a problem, go back to

 

dry and properly

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

START.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

installed

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3.

Repeat ALL the steps until the air cleaner checks out OK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Ð

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WARNING

 

 

 

 

 

Make sure pre-filter and activated

 

 

 

 

 

 

 

 

 

 

 

 

 

Some of these steps expose dangerous high

 

carbon filter are properly

 

 

 

 

 

 

 

 

 

 

 

 

 

 

voltage. Only a qualified service technician

 

installed, and carbon filter is

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

should attempt this procedure.

 

 

 

 

 

activating filter interlocking

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

switch lever.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Ð

 

 

 

 

 

 

 

 

 

Check Line 120

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Check filter

 

Lamp

 

Replace

Replace the access

 

 

VAC power.

 

120 VAC Present

 

 

 

 

 

 

 

Interlocking

 

On

 

 

System

cover and turn the air

 

 

Correct as

 

 

 

 

 

 

 

 

 

 

 

 

Î

Switch, Access

 

Î

 

Switch or fan

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Fan

 

cleaner on. Check

 

 

 

 

 

needed.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Cover Interlock-

 

 

 

motor.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ing Switch,

 

Off

 

 

Low, then Med, then Hi

 

 

Ï

Fan

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Î

Replace Switch

 

 

 

 

 

System Switch.

 

 

 

 

 

 

 

 

on multispeed fan.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

On

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Both

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Lamp

 

 

 

 

 

 

 

Ð

 

 

Off

 

 

 

 

 

 

 

 

 

 

 

 

Turn OFF power. Make

 

 

 

 

Off

 

 

 

 

 

 

 

 

 

 

 

 

Light

 

 

Jumper fan

Fan Î

sure shaft on fan motor

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Check fan and

Î

switch contacts

rotates freely. Check for

 

 

 

 

Fan

 

 

 

 

 

 

 

 

neon light.

On

 

 

- For each speed

Off

 

 

 

open windings. Replace

 

 

 

 

On

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

in turn on

 

 

 

 

 

 

if necessary.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Both

 

 

 

 

 

Fan

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Off Ð

 

 

 

 

 

 

 

multispeed fans.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

On

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Ð

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Push interlock

 

 

 

 

 

Î

Remove cell.

Light

 

Remove access

 

Voltage

 

 

Check 100 VDC

Voltage

Light OK, replace

 

 

 

 

 

 

 

switch with plastic

 

 

 

 

 

Replace access

 

cover. Check for

 

 

 

complete power

handled screw-

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Î

 

 

 

 

 

 

 

 

 

 

 

 

 

Î

voltage across

 

 

Î

 

 

Arcing

cover, Check

Off

 

 

correct input

 

 

correct

 

 

terminal on lamp.

Below

supply

driver. Short from

 

 

 

 

 

 

No

Î

 

neon light.

 

 

 

 

voltage: 120 VAC.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

70 VDC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

cell frame to a hot

 

 

 

 

 

 

 

 

 

 

 

 

 

Models P1 and P2

 

 

 

 

 

 

 

 

 

 

 

 

 

above 120 VDC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Voltage

 

 

 

 

 

 

 

 

Light

 

 

 

 

 

 

 

 

 

 

collector plate.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

terminals on

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Ð Off

 

 

 

 

 

 

Voltage

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

power supply.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Arcing

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Î

Replace Light

 

 

 

 

 

 

 

Inspect cell for

 

 

 

 

 

 

 

 

 

 

 

 

 

NOT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ÐYes

 

 

 

-

 

Bent Collector Plates

Cell

 

 

 

 

 

 

 

 

 

Correct Ð

 

 

 

 

 

 

 

 

 

Electronic

 

 

 

-

 

Broken Ionizer Wires

Î

 

Repair or

 

 

 

 

 

Check wiring back

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Air Cleaner is

 

 

 

-

 

Dirt on Insulators

Damaged

 

replace cell

 

 

 

through switch, power

 

 

 

 

 

 

 

 

OK.

 

 

 

-

 

Damaged or dirty

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

cord, and outlet to

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Contact Tabs

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

circuit breaker or fuse.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Ð

 

No cell damage noted

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

With Ohmmeter, check

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

for short between

 

Cell

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

- Cell Frame and Ionizer

 

 

 

Î

Replace Cell

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Section

 

 

Shorted

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

-Cell frame and Collector Section

 

 

Infinite

 

 

 

 

 

 

 

 

 

 

 

Ð Resistance

 

 

 

 

 

 

 

 

 

 

 

Check Contact Board for

Dirty

 

Clean contacts with fine

 

 

Cell OK

 

 

Î

Î

grain sandpaper or emery

 

 

 

 

coating on ground contacts

 

 

 

 

 

 

 

cloth.

 

 

 

 

 

 

 

 

Clean

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Ð

 

 

 

 

 

WARNING

 

 

 

 

 

 

 

Check wire connections

 

 

 

Electronic components on power supply

 

 

are secured properly

 

 

 

board are not field replaceable. Attempted

 

 

ÐOK

 

 

 

 

service will damage the board.

 

 

 

 

 

 

 

 

 

 

 

 

 

Replace Power Board

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Assembly

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Page 8

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Friedrich C-90A manual Troubleshooting electronic air cleaner, Start

C-90A specifications

The Friedrich C-90A is a versatile aircraft that has made a significant impact in the civil aviation sector since its introduction. Characterized by its modern design and advanced technology, the C-90A caters to both private and commercial operators, offering efficiency and comfort.

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In terms of avionics, the Friedrich C-90A is outfitted with a state-of-the-art cockpit featuring the latest in flight management systems, digital displays, and navigation technologies. The cockpit is designed with ergonomics in mind, providing pilots with intuitive controls and easy access to essential data, enhancing situational awareness during flight.

Passenger comfort is another hallmark of the C-90A. The aircraft can accommodate a range of seating configurations, from spacious executive layouts to more compact options for commuter flights. The interior is designed to maximize legroom and features high-quality materials, ensuring an enjoyable flying experience.

Safety is paramount in the design of the C-90A. It includes numerous safety features such as advanced warning systems for potential hazards, redundant control systems, and robust mechanical systems that provide reliability in various conditions. The aircraft has undergone rigorous testing to ensure compliance with international safety standards.

In conclusion, the Friedrich C-90A is a remarkable aircraft that combines cutting-edge technology with practical features, appealing to a diverse range of aviation needs. Its blend of performance, efficiency, and comfort makes it a standout choice for operators looking to enhance their flying experience. Whether for corporate travel or regional services, the C-90A proves to be a reliable and modern solution in the skies.