MAC 10® LEDC 4x4 Fan Filter Unit Standard, RSR, & RSRE Models OPERATION & MAINTENANCE MANUAL Envirco Technical Support: 800-884-0002
MAC 10® LEDC 4x4 Fan Filter Unit Installation & Service Manual Table of Contents Critical Operations of the MAC 10®................................................................................... 3 Part numbers..................................................................................................................... 3 Warnings........................................................................................................................... 4 Installation................................
MAC 10® LEDC 4x4 Fan Filter Unit Installation & Service Manual ■ 1. 2. 3. ■ Critical Operation Conditions of the MAC 10 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 to protect from damage. Prior to powering the unit, verify that the unit has been wired into the correct voltage.
MAC 10® LEDC 4x4 Fan Filter Unit Installation & Service Manual ■ 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.
MAC 10® LEDC 4x4 Fan Filter Unit Installation & Service Manual ■ Installation Note: The MAC 10 LEDC Fan Filter Unit is completely assembled at the factory with the exception of the optional ¼” (0.64 cm)-20 eyebolts that are used when hanging the unit from an engineered design support system and installation of the HEPA/ ULPA filters (eyebolts not included and need to be ordered separately, p/n 222449-001). Step 1.
MAC 10® LEDC 4x4 Fan Filter Unit Installation & Service Manual ■ Unit Control Box 2.1. ON/OFF Switch - Speed/Airflow Adjustment All MAC 10 LEDC 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 a Universal Control Card to enable adjustment of airflow or set to your means of communication. (see Page 7 for Universal Card Card Set Up).
MAC 10® LEDC 4x4 Fan Filter Unit Installation & Service Manual ■ Universal Control Card Set Up UNIVERSAL CONTROL CARD - PRODUCT OVERVIEW Envirco’s ENV1028 Universal Control Card provides MODBUS network and analog control capabilities to an Envirco Fan Filter Unit equipped with an electrically commutated motor.
MAC 10® LEDC 4x4 Fan Filter Unit Installation & Service Manual CONTROL MODES The ENV1028 operates in one of three selectable modes. The Mode is selected using DIP Switch S1.
MAC 10® LEDC 4x4 Fan Filter Unit Installation & Service Manual Manual Control Mode: In Manual control mode, the motor speed is set using the onboard potentiometer. Onboard potentiometer rotation is CW to increase the motor output. Analog Control Mode: In ANALOG control mode, the motor output is set using an external 0-10 VDC demand signal. Network Control Mode: In NETWORK control mode, the motor output is set using MODBUS Register 2.
MAC 10® LEDC 4x4 Fan Filter Unit Installation & Service Manual ELECTRICAL SPECIFICATIONS Control and Interface Signals: 1. External Speed 0-10V Input • Input impedance 20k Ohms. • MIN ON-to-OFF threshold: 190mV* • MAX OFF-to-ON threshold: 240mV* • ON (~215mV) to 9.89V linearly scales 1 to 99% speed. • 9.89V or more deadbands to 100% speed. 2. External LED Output • 10mA regulated • LED forward voltages up to 5V 3.
MAC 10® LEDC 4x4 Fan Filter Unit Installation & Service Manual COMMUNICATION SPECIFICATIONS Overview: • MODBUS RTU protocol over RS485 (serial) • 9600 baud rate, word length is 8, parity is none(n), stop bits=1 • 255 unique address values selectable by S2 switch settings (recommended network node capacity 200 nodes) • Slew rate limited transceivers for improved network performance MODBUS Register Summary Table • DO NOT USE CROSSOVER CABLES. THIS MAY DAMAGE THE CONTROL CARD OR RENDER IT NON-OPERATIONAL.
MAC 10® LEDC 4x4 Fan Filter Unit Installation & Service Manual ■ Troubleshooting Mode Choice: Verify mode setting choice to DIP switch S1 (Control Mode), which is manual mode and then retry.
MAC 10® LEDC 4x4 Fan Filter Unit Installation & Service Manual ■ Service: Removal and Replacement of Standard Filters 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.
MAC 10® LEDC 4x4 Fan Filter Unit Installation & Service Manual ■ Service: Removal and Replacement of RSR/E Filters 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.
MAC 10® LEDC 4x4 Fan Filter Unit Installation & Service Manual ■ Service: Standard and RSR Motor Removal and Installation WARNING DISCONNECT THE UNIT FROM THE ELECTRICAL POWER SOURCE BEFORE ATTEMPTING ANY SERVICE WARNING ELECTRICAL SERVICE SHOULD ONLY BE PERFORMED BY A LICENSED OR QUALIFIED ELECTRICIAN. Tools Required: Phillips Head Driver, Battery Operated Drill, (2) 8” adjustable wrenches, 10 mm hex head wrench, #2 screwdriver, and slip joint pliers Step 1.
MAC 10® LEDC 4x4 Fan Filter Unit Installation & Service Manual ■ Service: RSR/E Motor Removal and Installation WARNING DISCONNECT THE UNIT FROM THE ELECTRICAL POWER SOURCE BEFORE ATTEMPTING ANY SERVICE WARNING ELECTRICAL SERVICE SHOULD ONLY BE PERFORMED BY A LICENSED OR QUALIFIED ELECTRICIAN. Note: Minimum 2 person project.
MAC 10® LEDC 4x4 Fan Filter Unit Installation & Service Manual ■ Wiring Diagrams 4 Pin MTA Motor Connector Remote Run Indicator LED 4 pin Control Cable 5 pin Power Cable Universal Card Wiring Diagram Innovators in Clean Air Technology | www.envirco.
MAC 10® LEDC 4x4 Fan Filter Unit Installation & Service Manual ■ Replacement Parts List MAC 10 4x4 Parts Grommet Part Number 63388 Motor - 120/240/277 ECM w/ Program 24397-025 Choke 5.5 amps 64103 Transformer 120/24 volts 63667 Transformer 220/24 volts 63666 Transformer 277/24 volts 63665 Venturi ring 64115 Blower Wheel Poly 63825 Universal Control Card 265888 Pressure Switch 63415-001 Filter HEPA Standard 47.63 x 47.
MAC 10® LEDC 4x4 Fan Filter Unit Installation & Service Manual ■ Limted Warranty LIMITED WARRANTY: Unless otherwise expressly stated in Envirco’s published specifications for the Goods, Envirco warrants 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.
Clean air solutions built for you. MORE INFORMATION AVAILABLE AT W W W . E N V I R C O .
