*** READ AND SAVE THESE INSTRUCTIONS *** MAC 10 R LE-AC FAN FILTER MODULE INSTALLATION AND SERVICE MANUAL STANDARD, RSR, RSRE MODELS R R 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 Updated 2.5.
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. 2. Prior to powering the unit, verify that the unit has been plugged into the correct voltage.
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.
Table of Contents Title 1 Page INSTALLATION ................................................................................................................................. 4 FIGURE 1 – UNIT UNCRATING.............................................................................................................. 4 2 SERVICE: CLEANING THE MAC 10 LE-AC PREFILTER (FOAM)....................................... 5 FIGURE 2 – FOAM PREFILTER CLEANING ...............................................................
1 INSTALLATION Note: The MAC 10 LE-AC Fan Filter Unit is completely assembled at the factory with the exception of the optional ¼” (0.64 cm)-20 eyebolts, which can be used when hanging the unit from an overhead structure. Step 1. Carefully remove the unit from the shipping carton and inspect for any damage that may have occurred during transportation. (See Figure 1) Step 2. Wipe down plastic bag and move unit into clean room. (Double bagging is available upon request.) Step 3.
2 SERVICE: Cleaning the MAC 10 LE-AC Prefilter (foam) 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, 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 prefilter from the snap-in frame.
Figure 2 – Foam Prefilter Cleaning 3 SERVICE: Cleaning the MAC 10 LE-AC 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.
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.
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 2 Manpower Required: Step 1.
Fan Filter Unit 2-Piece Welded Plenum Housing Filter Clip and Screw (typ 6) Diffuser Screen Screws (typ 6) Knife-edge Seal Filter Gel Track Filter Clip Perforated Screen ¼ -20 Cap Screw 10-32 PHP Screws Figure 5 – RSR Sheet Metal Filter Replacement MAC 10 LE-AC SERVICE MANUAL PAGE 9
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 3/8” (10mm) Hex Head Wrench Pliers 5/32”(0.40 cm) Allen wrench Step 1. To gain access to the motor, remove the ceiling panel next to the unit, if applicable. Step 2.
Prefilter Motor Venturi Ring Blower Wheel ON/OFF Switch Figure 6 – Motor Replacement MAC 10 LE-AC SERVICE MANUAL PAGE 11
7 SERVICE: Removal and Installation of the RSRE Motor 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. Step 1. To gain access to the motor, remove the gel seal filter (see Section III). Step 2. Prior to removing motor/blower assembly, remove blower wheel to expose motor connectors on motor.
Electrical connectors located in inner prefilter wall Plenum Motor/Blower Assy Baffle Assembly Gel Seal Filter Screen Figure 7 – RSRE Motor Replacement Motor Venturi Ring Loosen Bolt to remove Motor Blower Wheel Figure 8 –Motor Blower Components MAC 10 LE-AC SERVICE MANUAL PAGE 13
8 ON/OFF Switch - Speed/Airflow Adjustment All MAC 10 units are equipped with a three-position rotary switch, which is located on the side of the electrical box. (See Figure 8) Recommended fan speed during initial start-up and operation is the “LOW” speed. As airflow eventually decreases due to filter loading, fan speed may be increased by moving the rocker switch to the top or “MEDIUM” position, and finally to the “HIGH” position. Periodic airflow velocity readings (Per I.E.S.T.
9 Trouble Shooting: Unit is not adjustable Step 1. Verify that rotation of the knob on the visual speed control does not change the RPM 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.
10 MAC 10 LE-AC Wiring Diagrams Mac 10 LE-AC Three Speed Wiring Diagram Figure 11 – Wiring Diagram Speed Control MAC 10 LE-AC SERVICE MANUAL PAGE 16
11 MAC 10 LE-AC Replacement Parts List: ACLE PARTS Grommet Motor 120V Motor 220V Motor 277V Motor Mount Clip Venturi Ring Blower Wheel Motor/Blower Assy 120V 220V 277V Capacitor Capicitor Boot Rocker Switch 3 spd switch Foam Pre-filter (20X20) 30/30 Pre filter (20X20) PART # 63271 63764-001 63764-002 63764-003 38511-001 64115 64015 24511-001 24511-002 24511-003 61485 60126 63739-002 63775 62981-038 64125-001 All filter part numbers are based on the standard Mac 10 sizes (2x4 – 23.63x47.63).
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.
