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RespirAide R200T Service Manual

Electronic air purifier
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CONTENTS
PART I GENERAL DESCRIPTION ON AIR CLEANING
PART II AIR CLEANING TECHNOLOGY OF THE UNIT
PART III ELECTRICAL SYSTEM OF THE UNIT
PART IV UNIT DISPLAY
PART V TROUBLESHOOTING
PART VI HOW TO REPLACE THE PARTS
SDJP0809
Copyright
2008 RespirAide Tech Inc.
C
SERVICE MANUAL
R200 Ver.2.1
R200T
ELECTRONIC
AIR PURIFIER
This manual provides reference
information for servicing the
Respiraide 200T.
WARNING:
RISK OF ELECTRIC SHOCK
This servicing manual is for use by
qualified personnel only. To reduce
the risk of electric shock, do not
perform any servicing other than
that contained in the operating
manual unless you are qualified to
do so.
228256
R
C
US
ERI JU07655-7001

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Summary of Contents for RespirAide R200T

  • Page 1 PART I GENERAL DESCRIPTION ON AIR CLEANING PART II AIR CLEANING TECHNOLOGY OF THE UNIT PART III ELECTRICAL SYSTEM OF THE UNIT PART IV UNIT DISPLAY PART V TROUBLESHOOTING PART VI HOW TO REPLACE THE PARTS SDJP0809 R200 Ver.2.1 Copyright 2008 RespirAide Tech Inc.

  • Page 2: Table Of Contents

    PART I GENERAL DESCRIPTION ON AIR CLEANING CONTENTS INDOOR AIR QUALITY Particulates Gases, Vapors and Odors Source Control Ventilation Air Cleaning AIR CLEANING TECHNOLOGY Mechanical Filtration Electronic Filtration Electret Media Filter Negative Ion-Negative Ion Generator Ozone-Ozone Generator OZONE LEVEL AND THEIR EFFECTS Activated Carbon Filter Ultraviolet Light Photo catalyst...

  • Page 3: Indoor Air Quality

    PART I GENERAL DESCRIPTION ON AIR CLEANING 1. IN DOOR AIR QUALITY If you could see the air you breathe under a microscope, you might be in for a surprise. The air quality is much more terrible than you may think. In fact, floating in indoor air is a "soup" of particles too small to be seen by your naked eye. But it is large enough to cause problems.

  • Page 4: Source Control

    PART I GENERAL DESCRIPTION ON AIR CLEANING A wide variety of molds also can produce mycotoxins at various times during their lifecycles. Building occupants can experience potentially serious health problems if they are exposed to high levels of these compounds, but this is rare in most indoor environments.

  • Page 5: Air Cleaning Technology

    PART I GENERAL DESCRIPTION ON AIR CLEANING 2. AIR CLEANING TECHNOLOGY When you are trying to repair the air purifiers, make sure you understand the technologies used by the air purifier and the potential issues that may be inherent in that technology which could effect the efficiency of the air purifier and your health.

  • Page 6: Electret Media Filter

    PART I GENERAL DESCRIPTION ON AIR CLEANING Electret media filter-synthetic (Hybrid Filters) Electret media filter is a hybrid of a mechanical filter and electrostatic filter or an ion generator in an integrated single filter. The media filter made from synthetic fibers is inherently negatively charged in the manufacturing process and retains a charge which attracts airborne particles that are trapped and retained within the fibers in the conventional methods of impingement.

  • Page 7: Ozone Level And Their Effects

    PART I GENERAL DESCRIPTION ON AIR CLEANING OZONE LEVELS AND THEIR EFFECTS Data from IOA Edited by Den (Zdenek) Rasplicka - Ozone Services ppm = Parts per million volume air concentration 0.001 ppm Lowest value detectable by hypersensitive humans. Too low to measure accurately with elaborate electronic equipment. 0.003 ppm Threshold of odor perception in laboratory environment, 50 per cent confidence level.

  • Page 8: Activated Carbon Filter

    PART I GENERAL DESCRIPTION ON AIR CLEANING Activated Carbon Filter The activated carbon filter can remove gas and odor. This is the physical process of binding gas molecules to a large surface or pores of an adsorbent medium. Activated carbon is the most common media used for adsorption and is produced by heating carbonaceous substances (containing carbon and derived from organic substances such as bituminous coal, wood or coconut shell) to form a carbonized char, then activating (oxidizing) with...

  • Page 9: Photocatalyst

    PART I GENERAL DESCRIPTION ON AIR CLEANING Photo catalyst A photo catalyst is a chemical compound that becomes highly reactive when exposed to various wavelengths of UV light. Photo catalytic oxidation is achieved when UV light rays is combined with a TiO coated filter.
  • Page 10 PART II AIR CLEANING TECHNOLOY OF THE UNIT CONTENTS FEATURES AND SPECIFICATIONS EXPLODED VIEW OF THE UNIT PRE FILTER Cleaning the Pre filter Regularly Pre filter Ground Plate ELECTRONIC CELL How Does the Electronic Cell Work Exploded View of the Cell Part Numbers and Names of the Cell Cleaning the Electronic Cell Ozone Generation of the Cell...

  • Page 11: Features And Specifications

    PART II AIR CLEANING TECHNOLOY OF THE UNIT FEATURES AND SPECIFICATIONS The air purifier functions as an air cleaner by helping to disinfect airborne microorganisms and removing particulates from the air. The centrifugal fans of the unit draw air through the front panel on the front of the unit.

  • Page 12: Exploded View Of The Unit

    PART II AIR CLEANING TECHNOLOY OF THE UNIT EXPLODED VIEW OF THE UNIT Part Numbers and Names In order to fix the problems listed in the troubleshooting part, firsts of all, you will 1. Front Panel (Air Intake Grill) 40. Circuit Board Protector need to know the parts of the unit.

  • Page 13: Pre Filter

    PART II AIR CLEANING TECHNOLOY OF THE UNIT 2.1 PRE FILTER The pre filter is an important part of the unit. Large particles (lint, hair) are caught by the pre filter so to protect the electronic cell. Cleaning the Pre filter Regularly To ensure optimum performance from the air purifier, the pre filter and cell must be cleaned regularly-every one to three months.

  • Page 14: Electronic Cell

    PART II AIR CLEANING TECHNOLOY OF THE UNIT 2.2 ELECTRONIC CELL The unit employs a two-stage electronic cell for particulates collection. It has a stage of ionizer wires and a stage of collector plates. The ionizer wires are maintained at several thousand volts, which produce a corona that releases electrons into the air stream.

  • Page 15: Part Numbers And Names Of The Cell

    PART II AIR CLEANING TECHNOLOY OF THE UNIT Exploded view of the electronic cell The cell is mainly composed of aluminum ionizer section ground plates, two kinds of aluminum collector plates (positive plates and ground plates), two kinds of aluminum tubes and its rods, tungsten ionizing wires, ceramic insulators (square and round shape), power contact epoxy board and screws.

  • Page 16: Cleaning The Electronic Cell

    PART II AIR CLEANING TECHNOLOY OF THE UNIT Cleaning the electronic cell In order to keep the air purifier operating at peak efficiency, it is important to wash the electronic cell regularly. Washing frequency will vary depending on the air quality where the unit operates. If the air is of very poor quality, the efficiency of the cell will degrade rapidly, and may necessitate weekly cleaning.

  • Page 17: Activated Carbon Filter

    PART II AIR CLEANING TECHNOLOY OF THE UNIT 2.3 ACTIVATED CARBON FILTER Activated carbon, the universal adsorbent, has a capacity for virtually all vapor contaminants and will adsorb and retain a wide variety of chemicals at the same time. The adsorb diffuses thru the surface film to the macropore structure. Then, due to van der Walls' forces, the gas molecule migrates into the micropore structure, condensing during this movement, and finally stopping when either the forces become balanced or it becomes physically blocked.

  • Page 18: Negative Ion Generator

    PART II AIR CLEANING TECHNOLOY OF THE UNIT 2.5 NEGATIVE ION GENERATOR Studies about negative ions have shown that some people become moody, tired, depressed, or experience difficulty concentrating when negative ion counts are low, or when positive ion counts are high, such as in front of a computer monitor.
  • Page 19 PART III ELECTRICAL SYSTEM OF THE UNIT CONTENTS 3-1/3-1A/3-1B WIRING SCHEMATIC DIAGRAM POWER CORD, FUSE AND INTERLOCK SWITCH Electrical power cord Fuse Interlock switch ELECTRICAL CIRCUIT BOARD Main circuit board Display circuit board HIGH VOLTAGE POWER SUPPLY AND UNIT POWER CONTACT BOARD High voltage power supply Unit power and ground contact terminals DISCHARGE SWITCH...
  • Page 20 PART III ELECTRICAL SYSTEM OF THE UNIT WIRING SCHEMATIC DIAGRAM FOR Pink white R200xxx UNITS Electronic cell Gas sensor In order to fix the problems correctly, you will need to Yellow green know the electrical wire arrangement. This wiring Remote control receiver Collector Display Board Green...
  • Page 21 PART III ELECTRICAL SYSTEM OF THE UNIT WIRING SCHEMATIC DIAGRAM FOR J200xxx UNITS Gas sensor Electronic cell In order to fix the problems correctly, you Control board Remote control receiver Yellow green Collector Green Display panel will need to know the electrical wire Y.
  • Page 22 PART III ELECTRICAL SYSTEM OF THE UNIT DIFFERENT WIRING ARRANGEMENT To simplify the wiring arrangement, the units will have some different wiring arrangements. 9 10 Main circuit board-A Main circuit board-B Main circuit board-B Fig. 3-1 Units starting with ser.#J200xxx. Fig.

  • Page 23: Power Cord, Fuse And Interlock Switch

    PART III ELECTRICAL SYSTEM OF THE UNIT 3.1 POWER CORD, FUSE AND INTERLOCK SWITCH CONNETIONS Power cord It is necessary for you to understand how the power cord, fuse and Live line connector interlock switch are connecting together before you learn the other electrical system of the unit (Fig.

  • Page 24: Electrical Power Cord

    PART III ELECTRICAL SYSTEM OF THE UNIT Electrical power cord The unit uses a grounding type plug, rating for Live line (White) Ground 16-18 AWG. This plug will only fit into a grounded power outlet. If the plug does not fit into the outlet, contact a qualified person to install the proper outlet.

  • Page 25: Electrical Circuit Board

    PART III ELECTRICAL SYSTEM OF THE UNIT 3.2 ELECTRICAL CIRCUIT BOARDS The main circuit board and the display circuit board Display circuit board wire are most important parts of the unit. Pressing any Odor sensor buttons on the control panel will control the main circuit board through the display circuit board wire for the unit to carry out the desired functions.

  • Page 26: Display Circuit Board

    PART III ELECTRICAL SYSTEM OF THE UNIT Display circuit board The display circuit board is located inside the plastic control panel cover. The circuit board is connected to the main circuit board by display circuit board wire. If the display circuit board wire connections are loosened, or circuit boards are broken there will no display lights or incorrect display indicator lights on the display panel (Fig.

  • Page 27: High Voltage Power Supply And Unit Power Contact Board

    PART III ELECTRICAL SYSTEM OF THE UNIT 3.3 HIGH VOLTAGE POWER SUPPLY AND UNIT Ground wire HV wire LV wire POWER CONTACT BOARD High voltage power supply The power supply provides high and low voltages to the cell through the power contact terminals. If the power Resistance supply is broken the electronic cell cannot create electrical field in the cell, failing to capture the particles...

  • Page 28: Discharge Switch

    PART III ELECTRICAL SYSTEM OF THE UNIT 3.4 DISCHARGE SWITCH The electronic cell will normally maintain a painfully high voltage charge when you pull out the cell without stopping the unit. In fact, the high voltage power supply is designed to discharge the cell automatically. To discharge the cell automatically, the power supply needs 3-6 seconds after stopping the operation.

  • Page 29: Discharge Switch In The Unit

    PART III ELECTRICAL SYSTEM OF THE UNIT Discharge switch in the unit It is necessary to discuss how the discharge switch is working in the 200T unit. When the front panel (Air intake) is closed the bottom portion of the front panel will push down the switch so that the voltage wire plate is separating from the ground plate (Fig.

  • Page 30: Odor Sensor

    PART III ELECTRICAL SYSTEM OF THE UNIT 3.5 ODOR SENSOR (GAS SENSOR) The unit comes with an odor sensor. The odor sensor can sense smoke, ammonia, benzene and alcohol. In fact, the odor sensor continuously monitors the air quality through the sensor window on the plastic control panel cover as long as the unit is plugged in.

  • Page 31: Fan Motor

    PART III ELECTRICAL SYSTEM OF THE UNIT 3.6 FAN MOTOR Electric motor and capacitor Electric motors can be divided into two types: Alternating Current (AC) motors and Direct Current (DC) motors. A DC electric motor will not run when supplied with AC current, nor will an AC motor run with DC current. AC motors are further subdivided into single phase and three phase motors.
  • Page 32 PART III ELECTRICAL SYSTEM OF THE UNIT The motor capacitor is secured to the left fan housing side plate by one screw (Fig. 3.6-2). Capcitor CBB61 6uf+5% Capcitor 250V ac 50/60Hz Fig. 3.6-2 The Motor capacitor is secured at the left fan housing metal plate by one screw.

  • Page 33: Speaker

    PART III ELECTRICAL SYSTEM OF THE UNIT 3.7 SPEAKER The speaker of the unit produces melody when you start unit, press the buttons or shut off the unit. The speaker is composed of speak, speaker wire and connector. The speaker is located in the speaker holder and attaches to the unit case by its magnetic.

  • Page 34: Remote Control

    PART III ELECTRICAL SYSTEM OF THE UNIT 3.8 REMOTE CONTROL Generally, there are two types of remote controls: infrared (IR), and radio frequency (RF). Infrared remote controls work by sending pulses of infrared light to a device, while RF remote controls use radio waves in much the same way. Gamma Radio Mircowave...
  • Page 35 PART IV DISPLAY PANEL OF THE UNIT CONTENTS DISPLAY INDICATOR LIGHTS AND BUTTONS Operating the unit Switch the airflow rate Setting the operation time Auto operation Negative ion discharge Filter life and UV lamp indicator lights HOW TO RESET THE ACTIVATED CARBON FILTER AND UV LAMPS Using the remote control Pushing the reset button on...

  • Page 36: Display Indicator Lights And Buttons

    PART IV DISPLAY PANEL OF THE UNIT 4.1 DISPLAY INDICATOR LIGHTS AND BUTTONS The unit has a display panel on the control panel, displaying the current operating modes. 1. Displays what speed the system is operating on. 2. Built-In off timer: 1hour, 2hours and 4hours off timer. 3.

  • Page 37: Switch The Airflow Rate

    PART IV DISPLAY PANEL OF THE UNIT Switch the airflow rate When the power plug is inserted into the wall outlet all the indicator lights on the display panel will light up for 2 seconds with a melody from the speaker (Fig.

  • Page 38: Setting The Operation Time

    PART IV DISPLAY PANEL OF THE UNIT Setting the operation time Press the "TIMER" button to select the time for operation. Each time it is pressed the timer setting switches as shown below with green indicator light: "1h"---"2h"---"4h"--- (Cancel) Note: When the set time is reached, the operation will automatically stop. The set time can be changed if the button is pressed while the time is operating.
  • Page 39 PART IV DISPLAY PANEL OF THE UNIT FILTER and UV LAMP indicator lights It is hard to decide when the activated carbon filter should be replaced. The reason is the different atmosphere needs the different time for filter replacement. To assure optimum performance of the unit, it is recommended that the activated carbon filter should be replaced regularly.

  • Page 40: How To Reset The Activated

    PART IV DISPLAY PANEL OF THE UNIT 4.2 HOW TO RESET THE ACTIVATED CARBON FILTER AND UV LAMP After replacing the activated carbon filter or UV lamp, you will need to reset them, otherwise the indicator lights will flash continuously without stopping. In the old model, the unit will automatically shut off until you reset them. There are two ways to reset the unit.

  • Page 41: Troubleshooting

    PART V TROUBLESHOOTING CONTENTS NO POWER CHECK INIDCATOR LIGHT FLASHING 5-12 NO FAN, INCORRECT AIR FLOW NO UV LIGHT 5-15 THE BUTTONS DO NOT WORK 5-17 MELODY (CHIMES) FAILURE 5-18 FILTER AND UV LAMP RESET PROBLEM 5-19 SPARK BETWEEN HIGH VOLTAGE 5-22 TERMINAL AND SCREW 5-23...
  • Page 42 REQUIRED TOOLS AND OPEN THE BOTTOM PLATE In order to fix the problems listed, you need to prepare the following necessary tools. All tools can be purchased at Canadian Tire. 1-Flat head screwdriver 8-Nut wrench 2-Phillips screwdriver 9-Hot glue gun 3-Nut screwdriver (M3) 10-Hammer drill 4-Needle-nose pliers...

  • Page 43: No Power

    PART V TROUBLESHOOTING 5.1 NO POWER When the unit is plugged in, there are no display indicator lights on the control panel and no melody. The buttons and remote control do not start the unit. Most of time, this problem occurs with the interlock switch breakdown. However, there are other reasons.
  • Page 44 PART V TROUBLESHOOTING 5.1.1 Check the electrical outlet and the front panel (Air Intake) Sometimes, the unit does not operate because of the electrical outlet failure. Make sure the power plug is inserted into the wall outlet correctly, or try to reinsert the power plug (5.1.1-1).
  • Page 45 PART V TROUBLESHOOTING 5.1.3 Check the fuse Now that the interlock switches are no problem, you should go ahead to check the fuse. Remove the fuse and visually check it - The fuse holder is located on the back of the unit. In some units, you will need to remove the front panel to find the fuse holder which is located on the bottom of the unit (Fig.
  • Page 46 PART V TROUBLESHOOTING After replacing the damaged fuse, the new fuses are still blown again as soon as the unit is plugged in. As you replace the blown fuse with a new one and try to operate the unit, you find the new fuse is still blown out with unknown reasons.
  • Page 47 PART V TROUBLESHOOTING Finally check the fan motor connection Plug the fan motor (4#) connection to the main circuit board and start the unit by pressing the POWER button on the control panel. Press the SPEED button (Fig. 5.1.3-8). If the fuse is suddenly blown out, you will need to replace the motor capacitor.
  • Page 48 PART V TROUBLESHOOTING 5.2 CHECK INDICATOR LIGHT FLASHING When the unit is turned on, the Check Unit indicator light flashes and you hear warning beep sound. Most of time, this problem is due to damaged electronic cell, high voltage power supply failure or damaged discharge switch.
  • Page 49 PART V TROUBLESHOOTING CHECK indicator light flashing When you open the bottom plate you can see the twin red color wires (Power supply signal wire), which are connecting the power supply and the main circuit board (Fig. 5.2-3, No.4-signal wire). The microprocessor on the main circuit board is detecting the voltage on the signal wire when the unit is turned on.
  • Page 50 PART V TROUBLESHOOTING 5.2.1 Check the electronic cell Check if the cell is wet It is extremely important to dry the cell thoroughly before starting the WARNING unit. If the cell is wet, there will be a short circuit in the cell through the wet ceramic insulators, causing the CHECK indicator light To reduce risk of electric shock always stop the flashing (See page 5-7).
  • Page 51 PART V TROUBLESHOOTING Use an ohmmeter to check the electronic cell for short circuits On the bottom plate of the cell, there are 3 different power contact terminals. 1-Ionizer terminal: Connecting to ionizer wire latch, providing high voltage of the power supply (See 2.2 ELECTRONIC CELL).
  • Page 52 PART V TROUBLESHOOTING 5.2.2 Check the power supply and the main circuit board If the CHECK indicator light still flashes after you remove the cell , go ahead to check the high voltage power supply. Check the high voltage output of the power supply - Have your high voltage probe ready.
  • Page 53 PART V TROUBLESHOOTING 5.2.3 Check the voltage on the power supply signal wire If the high voltage or low voltage of the power supply is OK, but the CHECK light still flashes, you should check the voltage on the power supply signal wire with ohmmeter (Fig.

  • Page 54: No Fan, Incorrect Air Flow

    PART V TROUBLESHOOTING 5.3 NO FAN AND INCORRECT AIR FLOW When the unit is turned on, the fan doesn't blow properly. When the speed is switched, the fan has incorrect speed rates. Most of time, this problem is due to damaged motor capacitor, electric motor, or motor wire connection loose or main circuit board failure.
  • Page 55 PART V TROUBLESHOOTING 5.3.1 NO FAN No fan, incorrect display lights and the buttons do not work properly When the unit is powered on, the display lights show incorrect and some buttons do not work properly. On the main circuit board To fix this problem, you will need to proceed with the following steps.
  • Page 56 PART V TROUBLESHOOTING Check the motor capacitor and fan motor If the motor cable output voltages of the main circuit board are correct, you have to go ahead to check the fan motor capacitor or fan motor (Fig. 5.3.1-4). - Remove the unit upper cover and fan motor front cover to find the motor capacitor (See 6.8 REPLACE THE FAN MOTOR CAPACITOR).

  • Page 57: No Uv Light

    PART V TROUBLESHOOTING 5.4 NO UV LIGHT When the unit is turned on, the UV light does not light Most of time, this problem is because of a loose UV bulb which could be due to shipping and handling. However, there are other reasons.
  • Page 58 PART V TROUBLESHOOTING 5.4.1 Check the UV lamp - Stop the operation and unplug the power cord from the electrical outlet. UV lamp - Take off the front panel. - After removing the UV light blocker, visually check the UV lamp. If the UV lamps are broken or damaged, replace the lamp (See 6.2 REPLACE UV LAMP AND UV LAMP HOLDER).

  • Page 59: The Buttons Do Not Work

    PART V TROUBLESHOOTING 5.5 THE BUTTONS DO NOT WORK When the unit is plugged in, there is a melody but the buttons do not work, or the unit turns on but the buttons freeze and a click sound is heard. It sounds like sparking. One or more buttons do not work properly. Most of time, this problem is due to sparking from the cell and unit power contact board.

  • Page 60: Melody (Chimes) Failure

    PART V TROUBLESHOOTING 5.6 MELODY (CHIMES) FAILURE When the unit is plugged in, there is no melody, but the unit works properly. Most of time, this problem is due to sparks from the unit, damaged speaker, loose wires, or the blown melody chip (IC6 for PCB-A and IC4 for PCB-B, see Fig. 5.6-1). To solve this problem, you can proceed with the following steps.

  • Page 61: Filter And Uv Lamp Reset Problem

    PART V TROUBLESHOOTING 5.7 FILTER AND UV LAMP RESET PROBLEM When the Filter Life or UV Lamps indicator light flash they tell the time for UV activated carbon filter or UV lamps to be replaced. After replacing the filter or UV lamps, the unit cannot be reset. ** In the old model, there is no UV lamp replacing indicator lights on the display panel.
  • Page 62 PART V TROUBLESHOOTING 5.7.1 FILTER and UV LAMP indicator light flashing When the activated carbon filter or UV lamp needs to be replaced, the FILTER or UV LAMP indicator light on the control panel will flash red. The unit will automatically shut off after the FILTER or UV LAMP indicator light flashes for 50 hours.
  • Page 63 PART V TROUBLESHOOTING Reset with the reset button on the main circuit board If you cannot reset the FILTER or UV LAMP indicator light with the remote control, or have no remote control on your hand, you can reset the unit by pressing the reset button on the main circuit board. - Open the bottom plate.

  • Page 64: Spark Between High Voltage

    PART V TROUBLESHOOTING 5.8 SPARK BETWEEN HIGH VOLTAGE TERMINAL AND SCREW A spark occurs between the unit high voltage contact terminal and screw around it. Most of time, this problem is due to the moist air, no cell in the unit, or the high voltage power contact terminal is too close to the screws on the power contact board.
  • Page 65 PART V TROUBLESHOOTING 5.9 DISCHARGE SWITCH SPARK The discharge switch sparks to the bottom plate when the unit is on, especially when there is no cell in the unit. Most of time, this problem is because the discharge voltage wire is connected to the unit high voltage power contact terminal, sometimes causing a spark to the bottom plate, or burning of the discharge switch (Fig.
  • Page 66 PART V TROUBLESHOOTING Fig. 5.9-6 Change the black discharge voltage wire from the high voltage contact terminal (1#) to the Low voltage terminal (2#) to decrease the voltage on the discharge voltage wire. It will avoid the spark from the discharge switch. After changing the wire connection, the discharge switch will discharge the collector section of the cell.

  • Page 67: Electrical Shock

    PART V TROUBLESHOOTING 5.10 ELECTRICAL SHOCK Electrical shock occurs when touching the front panel. Most of time, this problem is due to the poor contact between the cell and the front panel ground contact plate,or unit ground terminal. In order to make sure what causes this problem, you will need to proceed with the following steps. Check the front panel ground plate - Open the unit front panel (Air intake).
  • Page 68 PART V TROUBLESHOOTING Unit electrical ground system It is necessary to understand how the whole unit is grounded when you try to fix electrical system problems of the unit. When you open the bottom plate, you will see the unit ground terminal (1#), a ground screw (2#) under the power supply, another ground screw (3#) under the main circuit board and the main circuit board ground screw (4#) (Fig.
  • Page 69 NOTES...
  • Page 70 PART VI HOW TO REPLACE THE PARTS CONTENTS REPLACE THE INTERLOCK SWITCH REPLACE UV LAMP AND UV LAMP HOLDER (BALLAST) REPLACE THE POWER SUPPLY REPLACE THE POWER CONTACT BOARD REPLACE THE DISCHARGE SWITCH REPLACE THE MAIN CIRCUIT BOARD 6-10 REPLACE THE FAN MOTOR 6-12 REPLACE THE FAN MOTOR CAPACITOR REPLACE THE DISPLAY CIRCUIT BOARD,...

  • Page 71: Replace The Interlock Switch

    PART VI HOW TO REPLACE THE PARTS 6.1 REPLACE THE INTERLOCK SWITCHES When you need to change the interlock switches, proceed with the Phillips Wire cutter following steps for disassembly. screwdriver - Stop the operation and unplug the power plug from the electrical outlet.

  • Page 72: Replace Uv Lamp And Uv Lamp Holder

    PART VI HOW TO REPLACE THE PARTS 6.2 REPLACE UV LAMP AND UV LAMP HOLDER (BALLAST) When you replace the UV lamp or ballast, proceed with the following steps. - Unplug the unit power cord after stopping the operation. - Take off the front panel (Air intake). - Discharge the unit high and low voltage contact terminals by creating a short circuit.

  • Page 73: Replace The Power Supply

    PART VI HOW TO REPLACE THE PARTS 6.3 REPLACE THE POWER SUPPLY When you need to replace the high voltage power supply, proceed with the following steps. - Stop the operation and unplug the power plug from the electrical outlet. - Open the bottom plate.
  • Page 74 PART VI HOW TO REPLACE THE PARTS 6. Cut down the wire 7. Cut down the wire 8. Unscrew the screw on Flat and spring ties on the unit ground ties on the power the unit ground terminal terminal wire. Be careful supply ground wire.

  • Page 75: Replace The Power Contact Board

    PART VI HOW TO REPLACE THE PARTS 6.4 REPLACE THE POWER COTACT BOARD If you have to replace the unit epoxy resin power contact board, you can follow the below steps. - Stop the operation and unplug the power plug from the electrical outlet. - Open the bottom plate.
  • Page 76 PART VI HOW TO REPLACE THE PARTS 5. Open the screws at the right side of the board with 6. Open the nut on the When you change the epoxy resin Phillips screwdriver. You need to hold the circuit ground terminal to power contact board, simply do board protector plate as you open the screws.

  • Page 77: Replace The Discharge Switch

    PART VI HOW TO REPLACE THE PARTS 6.5 REPLACE THE DISCHARGE SWITCH When you replace the discharge switch, proceed with the following steps. - Stop the operation and unplug the power plug from the electrical outlet. - Open the bottom plate. - Discharge the unit high and low voltage contact terminals by creating a short circuit.

  • Page 78: Replace The Main Circuit Board

    PART VI HOW TO REPLACE THE PARTS 6.6 REPLACE THE MAIN CIRCUIT BOARD When you prepare to change the main circuit board, you should proceed with the following steps - Stop the operation and unplug the power plug from the electrical outlet. Phillips - Open the bottom plate.
  • Page 79 PART VI HOW TO REPLACE THE PARTS Flat and spring washer 2. Unscrew 4 screws on the main circuit board. When you replace a new main Note: The 4 is for the main board circuit board circuit board, simply do the ground, it is different from other screws with flat and reverse operation.

  • Page 80: Replace The Fan Motor

    PART VI HOW TO REPLACE THE PARTS 6.7 REPLACE THE FAN MOTOR Phillips The following steps are discussing how to replace the fan motor. screwdriver However, you also use this procedure when you need to replace other parts, including motor capacitor, negative ion generator, speaker, odor sensor, remote receiver, or display circuit boards.
  • Page 81 PART VI HOW TO REPLACE THE PARTS Step 4. Remove the plastic cover 1. After opening 3 screws from the back of the unit, you 2. Open 10 screws on the plastic cover, 6 screws for plastic can take out the fan motor unit. top cover and 4 for control panel cover.

  • Page 82: Replace The Fan Motor Capacitor

    PART VI HOW TO REPLACE THE PARTS 6.8 REPLACE THE FAN MOTOR CAPACITOR When you try to replace the motor capacitor, proceed with the following steps. - Open the fan motor front cover. - Follow step 1 procedure of REPLACE FAN MOTOR. - Unscrew the screw on the motor capacitor.

  • Page 83: Replace The Display Circuit Board

    PART VI HOW TO REPLACE THE PARTS 6.9 REPLACE THE DISPLAY CIRCUIT BOARD, ODOR SENSOR, REMOTE RECEIVER. When you try to replace the display circuit board, odor sensor or remote receiver, you Phillips should proceed with the following steps. screwdriver -Stop the operation and unplug the power plug from the electrical outlet.

  • Page 84: Replace The Power Cord

    PART VI HOW TO REPLACE THE PARTS 6.10 REPLACE THE POWER CORD When you need to change the electrical power cord, you can proceed with the following steps. - Stop the operation and unplug the power plug from the electrical outlet. - Open the bottom plate.

  • Page 85: Replace The Fuse

    PART VI HOW TO REPLACE THE PARTS 6.11 REPLACE THE FUSE If you need to replace the fuse, proceed with the following steps. - Stop the operation and unplug the power plug from the electrical outlet. Flat head - Open the fuse socket on the back of the unit with a flathead screwdriver. screwdriver - Take out the damaged fuse and replace it with a new one.

  • Page 86: Replace The Ceramic Insulators

    PART VI HOW TO REPLACE THE PARTS 6.12 REPLACE THE CERAMIC INSULATORS When you try to replace the ceramic insulators by yourself, proceed with the following steps. - Stop the operation and unplug the power plug from the electrical outlet. - Open the front panel and pull out the cell.
  • Page 87 PART VI HOW TO REPLACE THE PARTS Replace the power contact board 1.Remove 5 rivets on the epoxy 2. Replace a new power contact board. Remember the ground resin power contact board with a terminal is placed between the board and cell bottom plate. hammer drill.

  • Page 88: Replace The Speaker

    PART VI HOW TO REPLACE THE PARTS 6.13 REPLACE THE SPEAKER When you try to replace speaker, you can proceed with Flat head the following steps. screwdriver screwdriver Soldering iron - Stop the operation and unplug the power plug from the electrical outlet.
  • Page 89 RespirAide Tech Inc. 13-100 Hanlan Road Woodbridge, Ontario Canada L4L 4V8 Tel: 1-866-874-2532 Fax: 1-905-850-5553 www.respiraide.com...

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