Trion MAC 10 Air Cleaner Owners Manual
Contents
1. Jm gt d O Motor Blower Assy Baffle Assembly Gel Seal Filter Screen Figure 7 RSRE Motor Replacement Motor Venturi Loosen Bolt to remove Motor Blower Wheel Motor Blower Components Figure 8 MAC 10 LE DC SERVICE MANUAL PAGE 14 8 ON OFF Switch Speed Airflow Adjustment MAC 10 LE DC units are equipped with a two position rocker switch ON OFF which is located on the side of the electrical box on top of the unit All units are furnished with the Visual Speed Control to enable adjustment of airflow at any setting within the recommended performance range The visual control speed is mounted on the electric control box and can be adjusted without opening the electrical box see figure 8 8 1 Visual Speed Control The Mac 10 LE DCis provided with the standard Visual Speed Control board a single screw driver is required to adjust the unit airflow Just to the left of the LED readout is a recessed blue slotted stem which when turned clockwise will increase the airflow and if turned counter clockwise will decrease the airflow The LED readout alternates between outputting the selected flow index 96 and the actual motor RPM SPEED ADJUSTMENT LED RPM ON OFF OR FLOW SWITCH VISUAL SPEED CONTROL Figure 9 Electrical Box Face 8 2 Infrared Speed2. Optional Accessories Fluorescent lighting lonizing bar 12 30 48 cm diameter A C intake collar 14 35 56 cm diameter A C intake collar ULPA Filter Standard and RSR ENVIRCO 101 McNeill Road Sanford NC 27330 U S A Replacement parts are available through your authorized Tel 919 775 2201 Envirco representative If you cannot locate a representative Tel 800 884 0002 in your area contact Envirco Parts Dept at Fax 800 458 2379 MAC 10 LE DC SERVICE MANUAL PAGE 22 12 Warranty LIMITED WARRANTY Unless otherwise expressly stated in Envirco s published specifications for the Goods Envirco warrants that that Goods are free from defects in material and workmanship except for services which are warranted to be performed in a competent and diligent manner in accordance with any mutually agreed specifications The foregoing warranty shall apply for eighteen 18 months from the date of shipment from Envirco s facility except for services for which the warranty shall apply for ninety 90 days from the date of performance the Warranty Period Provided Buyer informs Envirco in writing of any breach of warranty prior to the expiration of the applicable Warranty Period Envirco shall as its sole obligation and Buyer s sole and exclusive remedy for any breach of this warranty repair or replace re perform the Goods which gave rise to the breach or at Envirco option refund the amounts paid by Buyer for the Go
3. READ AND SAVE THESE INSTRUCTIONS MAC 10 LE DC FAN FILTER MODULE INSTALLATION AND SERVICE MANUAL STANDARD RSR RSRE MODELS Mac 10 and VE5 are registered Trademarks of the Envirco U S A US Patents 4 560 395 and 5 470 363 Other patents issued and pending in foreign countries Version 1 1 Updated 4 19 11 Critical operation conditions of the MAC 10 1 Touching of the HEPA filter will damage it voiding the warranty on the filter The screen is only to protect against an accidental touch of the filter Never place a hand or tool on the filter Never lie filter face flat down on a surface always have filter on its side or back to protect from damage Prior to powering the unit verify that the unit has been plugged into the correct voltage The serial number label on the top of the Mac 10 unit has the required voltage For reorder prepossess the Mac 10 part number and serial number should be recorded This information is located on the serial number label located adjacent to the electrical box If you can t located the Sales Order Number please contact Envirco for this information Part Numbers Covered by this Manual 11202 XXX 10 LE DC 2x4 600x1210mm Standard Filter 11203 XXX 10 LE DC 2x3 600x1057mm Standard Filter 11204 XXX 10 LE DC 2x3 600x905 mm Standard Filter 11205 XXX Mac 10 LE DC 2x2 600 x 600 mm Standard Filter 11206 XXX 10 LE DC 2x4 600x1210mm Filter
4. ERE ERN PLN Ee Y ANE VENUE RP ERE 9 FIGURE 5 RSR SHEET METAL FILTER 10 6 SERVICE REMOVAL AND INSTALLATION OF THE MOTOR STANDARD AND RSR MODELS ec 11 FIGURE 6 MOTOR 10 4 1 12 7 SERVICE REMOVAL AND INSTALLATION OF THE 13 FIGURE 7 RSRE MOTOR REPLACEMENT 14 FIGURE 8 MOTOR BLOWER COMPONENTS 1 14 8 ON OFF SWITCH SPEED AIRFLOW ADJUSTMENT eee eaae easet etes 15 9 1 VISUAL SPEED RN Nm 15 FIGURE 9 ELECTRICAL BOX PAGE 15 8 2 INFRARED SPEED CONTROL OPTIONAL ccscsssaissssiwsersisesswntsdeviesecoassosyedeswseseber sedan edentubebedesrsuevenntones 15 6 3 AUTOMATION CONTROL UNIT 000 6 0 00000000000000000 17 8 4 MODBUS CONTROL SYSTEM 17 9 TROUBLE SHOOTING re 18 10 MAC
5. Middle East amp Africa EMEA TRION Div of Ruskin Air Management Ltd European Operations The Cavendish Center Winnall Close Winchester Hampshire 5023 OLB UK Tel 44 0 1962 840465 Fax 44 0 1962 828619 E Before servicing or cleaning unit switch power off at service panel and lock service panel to prevent power from being switched on accidentally MAC 10 LE DC SERVICE MANUAL PAGE 2 Table of Contents Title Page INSTACEA TION c 5 BEIGERBEACUNELUNCRATINGL 5 2 SERVICE CLEANING THE MAC 10 LE DC 1 6 FIGURE 2 FOAM PREFILTER 1 1 of 3 SERVICE CLEANING THE MAC 10 LE DC PREFILTER G4 PLEATED PREFILTER 7 FIGURE 3 6G4 TER REPLACEMEN TP vsssscssssssscsscssscassenssdssencesesesstecsesessvassesssneattvssssdadseeseveasseus 27 4 SERVICE REMOVAL AND REPLACEMENT OF THE FILTER STANDARD UNIT Stm FIGURE 4 STANDARD FILTER REPLACEMENT 8 5 SERVICE REMOVAL AND INSTALLATION OF THE ROOM SIDE REPLACEABLE GEL SEAL FILTER RSE RSRBD oett retorno Srt PERS
6. removed filter Determine if the gel has lost its ability to seal if so repair the gel Step 5 Place the filter against the filter sealing surface of the RSR unit Install filter clips and screws The clips can be rotated and angled into place Using the clips as a lever the filter can be seated It is recommended to work either clockwise or counter clock wise around the filter raise the filter into the gel Step 6 Reinstall screen MAC 10 LE DC SERVICE MANUAL PAGE 9 Fan Filter Unit 2 Piece Welded Plenum Housing Filter Clip and Screw typ 6 Screws typ 6 C 5 7 C 2 Filter Gel Track Filter Clip Perforated Screen 12 20 Screw 10 32 PHP Screws RSR Sheet Metal Filter Replacement Figure 5 MAC 10 LE DC SERVICE MANUAL PAGE 10 6 SERVICE Removal and Installation of the Motor Standard and RSR models WARNING Disconnect the unit from the electrical power source before attempting any service WARNING Electrical service should be performed by licensed electricians or authorized ENVIRCO service technicians Tools Required Phillips Head Driver Step 1 Step 2 Step 3 Step 4 Step 5 Step 6 Step 7 Step 8 Step 9 3 8 10mm Hex Head Wrench Pliers 5 327 0 40 cm Allen wrench To gain access to the motor remove the ceiling panel next to the unit if applicable Switch the ON OFF switch to the off position
7. response to 0 2000 RPM 8 4 Modbus Control System Optional This information is available in the Modbus Manual for the Console Control System MAC 10 LE DC SERVICE MANUAL PAGE 17 9 Trouble Shooting Unit is not adjustable Step 1 Verify that rotation of the knob on the visual speed control does not change the or Flow Index display on the unit If rotating does nothing remove the electrical box cover and remove the 4 pin connector from the Visual Speed control and install in 180 degrees rotated Again adjust the knob The 4 pin connector is on the 18 31 8 mm white conductor Low Air Velocity Step 1 Check prefilter media replace or clean as necessary Step 2 Adjust visual speed control for higher blower output Step 3 Check power supply for proper voltage amperage and distribution frequency Step 4 Check Clean or replace prefilter Step 5 Replace HEPA filter if the air velocity remains low High Air Velocity Step 1 Adjust visual speed control for lower blower output Non Laminar Flow and or Excessive Contamination Step 1 Insure that no large obstructions are upstream of airflow pattern Step 2 Determine that no other air moving devices are operating in or around clean room which disrupt room s airflow pattern Step 3 Check air velocity and if low conduct the Low Air Velocity procedure outlined above Step 4 Conduct smoke and photometer test on HEPA filter Seal or replace HEPA filter as nec
8. 10 LE DC WIRING 5 19 FIGURE 10 VISUAL SPEED CONTROL 19 FIGURE 11 VISUAL SPEED CONTROL W INDICATOR LIGHT 19 MAC 10 LE DC SERVICE MANUAL PAGE 3 FIGURE 12 INFRARED CONTROL 20 FIGURE 13 AUTOMATION CONTROL 20 FIGURE 14 MODBUS CONTROL CONTROLLER MAC 10 21 FIGURE 15 MODBUS CONTROL 21 11 MACIOLE DC REPLACEMENT PARTS LIST 22 12 WARRANT 23 13 23 FACTORY APPROVED TESTING 2 READINGS WITH VELGRID ERROR BOOKMARK NOT DEFINED FIGURE 16 VELGRID TESTING eeeeentennttnnntnnnes ERROR BOOKMARK NOT DEFINED FIGURE 17 VANE 5 ERROR BOOKMARK NOT DEFINED MAC 10 LE DC SERVICE MANUAL P
9. 11207 XXX 10 LE DC 2x3 600x1057mm RSR E Filter 11208 XXX 10 LE DC 2x3 600x905 mm Filter 11209 XXX 10 LE DC 2x2 600 x 600 mm Filter Note Z in the part number indicates that the unit is special This may indicate a size change from standard or a special filter Please contact the factory for part numbers if this is the situation CAUTION TO REDUCE THE RISK OF INJURY TO PERSONS INSTALL FAN AT LEAST 2 1M 7 FEET ABOVE THE FLOOR MAC 10 LE DC SERVICE MANUAL PAGE 1 READ AND SAVE THESE INSTRUCTIONS WARNING TO REDUCE THE RISK OF FIRE ELECTRICAL SHOCK OR INJURY TO PERSONS OBSERVE THE FOLLOWING A Installation work and electrical wiring must be done by qualified person s in accordance with all applicable codes and standards including fire rated construction B When cutting or drilling into wall or ceiling do not damage electrical wiring and other hidden utilities C If this unit is to be installed over a tub or shower it must be marked as appropriate for the application D Use this unit only in the manner intended by the manufacturer If you have any questions contact the manufacturer ENVIRCO 101 McNeill Road Sanford NC 27330 Tel 919 775 2201 800 884 0002 Fax 800 458 2379 Email info envirco com ASIAN SALES Building 1 200 Middle Suhong Road Suzhou Jiangsu PRC 215021 Tel 86 512 6258 0031 Fax 86 512 6258 7180 Europe
10. 6 PIN CONNECTOR FROM CONTROLLER UNIT BLACK WHITE ET GRN YEL 23 WHITE T 16 PIN CONNECTORS Figure 16 Modbus Control Receiver MAC 10 LE DC SERVICE MANUAL PAGE 21 11 MAC 10 LE DC Replacement Parts List Grommet Motor Blower Assy 120V 63589 220 V 63589 220V CE 63589 277 volt 63655 001 Motor 2 x 4 120 240 volt 63589 Motor 2 x 4 277 volt 63655 001 Motor 2 x 2 120 240 volt 63589 Motor 2x2 27 volts 63655 001 Choke 3 0 amps 120 volts Transformer 120 volt Transformer 220 CE volt Transformer 208 240 Volt Transformer 277 volt Motor Mount Clip Venturi Ring Blower Wheel 2 x 2 Poly Blower Wheel 2 x 2 Metal Blower Wheel 2 x 4 amp 2 x 3 16 Metal IR Sensor Harness IR Sensor Harness with out Sensor Visual Control Unit EVO Foam Pre filter 20 x 20 Pleated Pre filter 20 x 20 Modbus Card 1004 4 Modbus card 1014 1 32 Rev Pressure Switch Part 63271 24504 001 24504 001 24504 001 24504 002 2439 012 2439 013 24397 003 2439 004 63 20 63667 63666 63666 63665 38511 001 64115 62270 62962 64015 63759 001 63758 63951 002 62981 038 64125 001 63970 63970 003 63415 003 All filter part numbers are based on the standard Mac 10 sizes 2x4 23 63x47 63 2X3 23 63 x35 63 and 2x2 23 63x23 63 If the unit in question is not this size or the part number includes a Z contact the factory for replacement filter information
11. AGE 4 1 INSTALLATION Note The MAC 10 DC LE Fan Filter Unit is completely assembled at the factory with Step 1 Step 2 Step 3 Step 4 the exception of the optional 4 0 64 cm 20 eyebolts which can be used when hanging the unit from an overhead structure Carefully remove the unit from the shipping carton and inspect for any damage that may have occurred during transportation See Figure 1 Wipe down plastic bag and move unit into clean room Double bagging is available upon request If using rigidly supported grid usually 2 50 mm or wider raise unit through ceiling and lower onto the gasketed grid If using a flexible grid typically supported with wires the unit must be secured to an overhead structure with eyebolts s hooks and chain or 20 all thread A roll of high density gasket has been provided for use with ungasketed grids Note special size units are available to fit specific clean room grid systems Have an electrician wire the unit to the appropriate voltage 115V 220V 277V AC according to the wiring diagram in section IX and local electric codes If optional power cord was purchased plug unit into a grounded receptacle The optional power cord is not acceptable for plenum installations Figure 1 Unit Uncrating MAC 10 LE DC SERVICE MANUAL PAGE 5 2 SERVICE Cleaning the MAC 10 DC LE Prefilter foam WARNING Disconnect the unit from the electrical power sour
12. Control Optional The Flow Set is a handheld infrared remote control configured to adjust the Envirco Mac 10 LE DC unit An EVO ECM IRC control sends the motors a FLOW INDEX and a GO signal The motor sends back a status signal that is connected to a red lamp The control includes an infrared remote receiver The Flow Set handheld remote sends infrared remote commands to the EVO ECM IRC control allowing remote adjustment of the Motor See Figure 10 Using the Flow Set you can turn the motor on off adjust the flow index from 1 100 and read the current settings Point the Flow Set at the Flow Set target red lamp if the motor is on on the equipment Operate the on off button or any of the four buttons The green lamp near the Flow Set target lights indicating you are in an adjustment session Continue to operate the on off button or any of the four buttons to achieve the desired settings Press the MAC 10 LE DC SERVICE MANUAL PAGE 15 Enter button to save your new settings and exit the adjustment session Press the Clear button to delete your new settings revert to the IQ settings and exit the adjustment session If you enter an adjustment session and do not make any adjustments for 15 minutes the adjustment session automatically clears Use the Clear button to read the current settings Point the Flow Set at the Flow Set target and press the Clear button A green lamp begins to flash indicating the signal was rece
13. Electrical service should be performed by licensed electricians or authorized ENVIRCO service technicians Step 1 To gain access to the motor remove the gel seal filter see Section Ill Step 2 Prior to removing motor blower assembly remove blower wheel to expose motor connectors on motor Using an adjustable wrench loosen the two set screws that attach the blower wheel to the motor shaft Disconnect the five and sixteen pin connectors from the motor Step 3 While supporting the motor blower assembly from below remove the six screws on the underside of the venturi ring and lower the assembly See Figure 7 Note the baffle does not have to be removed to remove the motor blower assembly Step 4 Before removal of the motor mount bracket measure the precise location of the bracket on the motor Remove the bracket Step 5 Replace with the new motor and reassemble by reversing the above steps Set the location of the motor mount bracket as measured see above Step 6 Set the spacing at 0 25 6 35 mm clearance between the blower and the upper motor plate prefilter frame creating a 0 11 2 80 mm overlap between the wheel and the venturi ring When reinstalling the assembly align the plate to insure that the leads will reach the electrical box Pre Filter Electrical Box LID B Baffle Screen Screws MAC 10 LE DC SERVICE MANUAL PAGE 13 5 c a m O OD C
14. Remove the prefilter off the prefilter frame See Section Loosen the electrical box cover screws 2 and slide lift off cover Figure 6 Make note of all wire locations for reinstallation later Disconnect 5 pin and 16 pin wire harnesses from the electrical box housing Remove the eight screws to free the motor blower assembly from the lid assembly If using power drivers set the unit to a low torque setting to avoid stripping the sheet metal screws See Figure 6 Using an adjustable wrench loosen the two set screws that attach the blower wheel to the motor shaft Mark the location of the motor support bracket belly band then loosen the bolt just enough to allow the motor support bracket to slid off the motor Step 10 Using the removed motor mark the new motor with the location of the motor support bracket Step 11 with the new motor and reassemble by reversing the above steps 1 8 Set the spacing at 0 25 6 35 mm clearance between the blower and the upper motor plate prefilter frame This will give a 0 11 overlap between the venturi ring and the blower MAC 10 LE DC SERVICE MANUAL PAGE 11 Prefilter 20 x 20 Motor Venturi Ring Blower Wheel ON OFF Switch Figure 6 Motor Replacement MAC 10 LE DC SERVICE MANUAL PAGE 12 7 SERVICE Removal and Installation of the RSRE Motor WARNING Disconnect the unit from the electrical power source before attempting any service WARNING
15. TING Each MAC 10 DC LE filter unit is thoroughly tested at the factory before shipment However because of the rigors of shipping ENVIRCO encourages its re test after installation Additional for large installations it is recommended to bench test 5 of the units prior to installation ENVIRCO recommends that the customer contact an independent organization with technicians trained and experienced in performance evaluation and maintenance of clean air equipment Some of the testing procedures performed on the MAC 10 DC LE include PSL challenge of HEPA ULPA filters to assure specified performance along with air velocity measurement and adjustment tests No DOP is used on Mac 10 Filters unless requested MAC 10 LE DC SERVICE MANUAL PAGE 23 MAC 10 LE DC SERVICE MANUAL PAGE 24
16. ce before attempting any service Tools Required None Note To keep the filter in top operating condition washing the foam prefilter is recommended every three to six months Step 1 To gain access to the prefilter remove the ceiling panel next to the unit if applicable Step 2 Switch the ON OFF switch to the off position Step 3 Remove the 20 x20 prefilter from the snap in frame See Figure 2 Step 4 Clean the prefilter by hand washing in water with a mild detergent or by using a vacuum cleaner Allow prefilter to dry completely before replacing Step 5 Reassemble by reversing the above steps 20 x 20 Prefilter ON OFF Switch MAC 10 LE DC SERVICE MANUAL PAGE 6 Figure 2 Foam Prefilter Cleaning 3 SERVICE Cleaning the MAC 10 DC LE Prefilter G4 Pleated Prefilter WARNING Disconnect the unit from the electrical power source before attempting any service Tools Required None Note To keep the filter in top operating condition replacing the pleated prefilter is recommended every twelve months or sooner Step 1 To gain access to the prefilter remove the ceiling panel next to the unit if applicable Step 2 Switch the ON OFF switch to the off position Step 3 Remove the prefilter from the snap in frame The beverage frame has slots that have to be depressed to release the filter from the prefilter housing See Figure 3 Step 4 After removing the new G4 pleated prefilter from the box remove
17. d the increase does not occur because your entry would take the index above 100 When the flow index is greater than 90 use the 1 button to increase the index 1 and 10 keys respond in a like manner when you try to set the flow index below 1 Zero is not a valid flow index MAC 10 LE DC SERVICE MANUAL PAGE 16 Batteries Two AA batteries power the EVO IRC Handheld Controller See Figure 10 Remove the sliding door on the back of the unit to expose the battery compartment Remove the old batteries Insert the new batteries in the position indicated by the battery pictures molded into the bottom of the battery compartment The battery spring clips are difficult SO you may need to use a small screwdriver to shoehorn the batteries into place For maximum battery life store the EVO IRC Handheld Controller so the buttons are not pressed While current drain is minimum when the unit is not sending infrared signals some battery current is drawn to sense the pressed key Figure 10 Flow Set Handheld Remote 8 3 Automation Control Unit Optional The Automation Control Unit ACU is controlled by the customers Building Management System An ACU control requires industry standard 0 10Vdc to adjust and monitor the Motor 2 10Vdc controls the motor between 0 to 100 of the flow index and 0 1Vdc turns the unit off RPM feed back is provides the Building Management System with a unit operation signal O 10 Vdc give a linear
18. essary Contact Technical support at ENVIRCO 101 McNeill Road Sanford NC 27330 U S A Tel 919 775 2201 Tel 800 884 0002 MAC 10 LE DC SERVICE MANUAL PAGE 18 10 MAC 10 DC LE Wiring Diagrams LCD ALTERNATES BETWEEN RPM AND SIGNAL 16 PIN CONNECTOR 24V TRANSFORMER EVO ECM VCU CHOKE COM LINE EN wae GRNYEL Figure 11 Visual Speed Control 5 PIN CONNECTOR LED 201 DIFFERENTIAL PRESSURE SWITCH LCD ALTERNATES BETWEEN RPM AND PWM SIGNAL 16 PIN CONNECTOR 4V TRANSFORMER EVO ECM VCU CHOKE L1 5 BLACK LE G GND GRN YEL WHITE GRN YEL 7 Figure 12 Visual Speed Control w Indicator Light 5 PIN CONNECTOR MAC 10 LE DC SERVICE MANUAL PAGE 19 MAC 10 DC LE Wiring Diagrams continued CHOKE 24V TRANSFORMER EVO ECM IR RUN LIGHT LL gt FLOW INDICATOR a 45 3 E INFRARED SENSOR zx 5 o Figure 13 Infrared Control vinis TRANSPORMER EXTERNAL CONTROL SOURCE 2 10 VDC OR 4 20 mA W RPM FEED BACK Figure 14 Automation Control Unit MAC 10 DC LE SERVICE MANUAL PAGE 20 MAC 10 DC LE Wiring Diagrams continued DIASY CHAIN TO RECEIVER COMMUNICATION UNITS 24V TRANSFORMER CONTROLLER CARD gt Y NY rr ris 16 PIN CONNECTORS 120V 24V COM COM WHITE 1 8 5 Figure 15 Modbus Control Controller Mac 10 CHOKE y 1
19. ived The flash sequence indicates the current flow index The sequence occurs in two sets The tens 1 set uses long flashes to indicate the tens digit The units 279 set uses short flashes to indicate the units digit An extra long flash in the tens set or the units set indicates the value of the corresponding digit is zero flow index of 24 flashes two longs then 4 shorts Aflow index of 89 flashes 8 longs then 9 shorts Aflow index of 30 flashes 3 longs then an extra long Aflow index of 04 flashes an extra long then 4 short A flow index of 100 flashes 10 longs then an extra long Use the On Off button to turn the motor on or off Point the Flow Set at the Flow Set target on the equipment and press the on off button If you press Enter while the motor is off the motor stays off even through a power on off cycle Adjust the flow index using the 4 buttons The button pair on the left adjusts the index amp 10 The button pair on the right adjusts the flow index 41 Using the 10 pair you can quickly move the index up and down Using the 1 pair you can precisely set the index to achieve the desired flow During an adjustment session the green lamp blinks each time you make a valid entry If the flow index is already 100 and you try to increase the flow index the green lamp does not blink and the increase does not occur If the flow index is at 91 and you press the 10 buttons the green lamp does not blink an
20. ods which gave rise to the breach Any repair replacement or re performance by Envirco hereunder shall not extend the applicable Warranty Period The parties shall mutually agree on the specifications of any test to determine the presence of a defect Unless otherwise agreed upon by Envirco in writing Buyer shall bear the costs of access de installation re installation and transportation of Goods to Envirco and back to Buyer These warranties and remedies are conditioned upon a the proper storage installation operation and maintenance of the Goods and conformance with the proper operation instruction manuals provided by Envirco or its suppliers or subcontractors b Buyer keeping proper records of operation and maintenance during the applicable Warranty Period and providing Envirco access to those records and c modification or repair of the Goods only as authorized by Envirco Envirco does not warrant the Goods or any repaired or replacement parts against normal wear and tear or damage caused by misuse accident or use against the instructions of Envirco Any modification or repair of any of the Goods not authorized by Envirco shall render the warranty null and void EXCEPT AS EXPRESSLY SET FORTH HEREIN ENVIRCO MAKES NO OTHER WARRANTIES EXPRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO ANY IMPLIED WARRANTIES OF MERCHANTABILITY NON INFRINGEMENT OR FITNESS FOR A PARTICULAR PURPOSE WHICH ARE HEREBY DISCLAIMED TO THE EXTENT PERMITTED 13 TES
21. sible damage Also inspect the gasket in the tee bar to insure a tight seal Replace as necessary Step 4 Replace with the new HEPA ULPA filter and assemble by reversing the above steps n 7 owitch Lid Screw 10 Lid Assembly HEPA ULPA Filter Figure 4 Standard Filter Replacement MAC 10 LE DC SERVICE MANUAL PAGE 8 5 SERVICE Removal and Installation of the Room Side Replaceable Gel Seal Filter RSR RSRE WARNING Disconnect the unit from the electrical power source before attempting any service WARNING The RSR Filter is protected with an expanded metal face screen This is never to be used to handle the filter It is only for protection against an accidental touch of the filter Only handle the filter by the frame Tools Required Phillips Head Driver 3 16 hex head wrench Manpower Required 2 Step 1 Remove the diffuser screen by removing the 6 each 10 32x1 2 screws Step 2 Loosen the six 1 4x20 socket head screws far enough to rotate the filter clip 907 The filter will not drop during this operation Slowly pull the filter away from the knife edge seal taking care not to touch the filter face during this operation It is important to pull the filter slowly away from the seal so that the gel remains in the filter gel track Step 3 Inspect filter for visible damage if damaged set aside for replacement or repair Step 4 Inspect the gel seal if reinstalling the
22. the die cut slots from the beverage board frame and install on prefilter bracket Step 5 Reassemble by reversing the above steps 20 x 20 pleated prefilter ON OFF Switch Figure 3 G4 Prefilter Replacement MAC 10 LE DC SERVICE MANUAL PAGE 7 4 SERVICE Removal and Replacement of the HEPA ULPA Filter Standard Unit WARNING Disconnect the unit from the electrical power source before attempting any service WARNING The Standard Filter is protected with an expanded metal face screen This is never to be used to handle the filter It is only for protection against an accidental touch of the filter Only handle the filter by the frame Tools Required Phillips Head Driver Battery Operated Drill with a 5 32 Drill Bit Rivet Hand Tool 05 32 aluminum rivet grip range 126 187 Step 1 Remove unit from ceiling Step 2 Remove the 10 screws holding the HEPA ULPA filter to the lid assembly Step 3 Lift the lid assembly off the HEPA ULPA filter see Figure 3 Remove Filter deflectors using 5 32 drill bit Keep filter deflectors to install in new filter Discard the used filter as per requirements of the applicable regulations Carefully install the filter deflectors into the new filter using the 5 32 rivets Do not touch or place the filter deflectors on the HEPA ULPA media pack This could cause tears in the filter pack Note Before replacing with a new HEPA ULPA filter carefully inspect the new filter for any vi
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