Price FFU series Manuel
v100 –Issue Date: 04/03/18
© 2018 Price Industries Limited. All rights reserved.
MANUAL – INSTALLATION + SERVICE
Fan Filter Unit
FFU Series
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FAN FILTER UNIT
TABLE OF CONTENTS
Product Overview
Read & save these instructions .................................... 1
Before you start ............................................................ 2
Introduction .................................................................. 3
Installation & Service Instructions
Diffuser Module Installation ........................................... 4
Speed Controllers......................................................... 6
PSCSC/WK Speed Controller
Installation & Operation.............................................. 6
ECMSC/WK Speed Controller
Installation & Operation ............................................... 7
ECMDX/WK Speed Controller
Installation & Operation............................................... 8
BACnet Flow Controller (BFC)
Installation & Operation.............................................. 10
Filter Installation .......................................................... 11
Room Side Replaceable Filter (RSR)........................ 11
Bench Top Replaceable Filter (BTR))........................ 13
Optional Accessories .................................................. 15
Aerosol Sample Port, Static Port and
Aerosol Injection Port (INJ).......................................15
Filter/Motor Indicator LED (ML/FL) – RSR ................ 17
Filter/Motor Indicator LED (ML/FL) – BTR ............... 19
Motor/Filter Indicator BAS (MBAS/FBAS) ................ 22
Service Introductions .................................................. 23
Pre-Filter Cleaning................................................... 23
RSR Filter Removal and Replacement ..................... 24
BTR Filter Removal and Replacement ..................... 25
Motor Change ............................................................ 26
Top Access Motor/Blower Assembly ....................... 26
Room Side accessible Motor/Blower Assembly....... 28
Technical Note: Aerosol Sample and Static Port.......... 32
Room Side Replaceable (RSR) ................................ 32
Bench Top Replaceable (BTR) ................................. 33
Controls...................................................................... 34
ECMSC................................................................... 34
ECMDX ................................................................... 37
BFC ........................................................................ 39
Technical Note: Design with VAV/Constant Flow Boxes
and Ducted Applications............................................. 41
Balancing ................................................................... 42
Un-ducted Supply Units .......................................... 42
Ducted Supply – Pressure Independent and
Dependent Airflow Control....................................... 43
Ducted Supply – Pressure Independent and
Dependent Airflow Control....................................... 45
Troubleshooting .......................................................... 46
Changing Motor Programs ...................................... 46
Tips......................................................................... 47
BTR Unit Replacement Parts ...................................... 48
RSR Unit Replacement Parts ...................................... 49
Wiring Diagrams ......................................................... 50
Warranty..................................................................... 61
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FAN FILTER UNIT
PRODUCT OVERVIEW
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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. Use this unit only in the manner intended by the manufacturer. If you have any questions, contact the manufacturer:
In the United States
2975 Shawnee Ridge Court
Suwanee, Georgia USA 30024
Ph: 770.623.8050
Fax: 770.623.6404
In Canada / International Export Sales Office
638 Raleigh Street
Winnipeg, Manitoba Canada R2K 3Z9
Ph: 204.669.4220
Fax: 204.663.2715
D. Before servicing or cleaning unit, switch power off at service panel and lock service panel to prevent power from being
switched on accidentally.
E. To reduce the risk of injury to persons, install the unit at least 7ft above grade or in ceiling.
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FAN FILTER UNIT
PRODUCT OVERVIEW
Before You Start
Inspect all cartons and boxes for flaws and shipping damages.
If anything is discovered to be damaged, contact the shipping company and file a freight claim.
Ensure that all HEPA/ULPA filters are stored in a clean, dry location in a vertical position, as labeled on the carton.
Ensure ductwork is balanced to scheduled flow prior to proceeding.
NOTE: Extreme caution should be taken to avoid contact with filter media. Touching filter media may result in filter failure. Damage
to filters can occur during installation or during leak qualification testing. The filters supplied by Price have been 100% tested
and certified by the manufacturer to be free of defects and leaks. Price cannot accept responsibility for damage that occurs after
shipment, whether through transit, handling or installation, and will not replace filters under Price standard warranty.
To ensure fan filter units are properly balanced, read Technical Note: Design with VAV/Constant Flow Boxes and Ducted
Applications prior to starting installation.
A minimum of two (2) people will be required to install the filters.
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FAN FILTER UNIT
PRODUCT OVERVIEW
Introduction
Price Fan Filter Units (FFU) are ceiling module diffusers consisting of a fan/motor assembly and Roomside Removable (RSR), or
Bench Top Replaceable (BTR) filters. The module is designed to provide unidirectional vertical airflow of filtered, clean air over a
cleanroom space.
Fan Filter Units (FFU) models will have three (3) stickers located on the back of the plenum. For ease of troubleshooting assistance,
replacement parts, and general factory assistance, it is recommended that the order number, and model line string be used as
reference. This information can be found on the Factory Label.
ETL LABEL
FACTORY LABEL
FACTORY PERFORMANCE LABEL
SPEED CONTROLLER
EYEBOLT
OPTIONAL PRE-FILTER
OPTIONAL DUCT COLLAR
MOTOR/BLOWER ASSEMBLY
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FAN FILTER UNIT
INSTALLATION & SERVICE INSTRUCTIONS
Diffuser Module Installation
The Price FFU will come completely assembled from the factory with the exception of the HEPA/ULPA filters, which will ship in its
own carton, and the speed controller wall kits (if selected).
NOTE: Do not open the HEPA/ULPA filters until they are ready to be installed in the FFU units. All construction in the space should
be complete, the site and upstream air should be clean so as not to unnecessarily load the filter.
Sample line string for Room Side Replaceable filter:
FFU-1-X//I/24/48/RSR/FC/ECM/115/10//CF//HEPA//BFC////DSW-115////RMB/ASSP/INJ//FL+ML+BACnet///WPFH/PL-AL/F-
AL//PL-B12/F-B12
STEP 1: Remove FFU from shipping carton and inspect for any damage.
NOTE: Ensure the HEPA/ULPA filter has been safely stored in a vertical position, per carton label, until ready for use.
STEP 2: If unit is Bench Top Replaceable (BTR) refer to page 13 for filter installation prior to proceeding. Once BTR filter is
installed, proceed to the next step. If unit is Room Side Replaceable (RSR), proceed directly to next step.
Sample line string for Bench Top Replaceable filter:
FFU-1-X//I/24/48/BTR/FC/ECM/115/10//CF//HEPA//BFC////DSW-115////TMB/ASSP///FL+ML+BACnet///WPFH/PL-AL///PL-
B12/
STEP 3: Raise the unit through the ceiling grid at an angle until entire unit is above the grid
STEP 4: Lower unit onto the backside of the tees.
STEP 5: Secure the unit to the overhead structure using the eyebolts located on the back of the unit.
FIGURE 1: UNIT UNPACKING
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FAN FILTER UNIT
INSTALLATION & SERVICE INSTRUCTIONS
FIGURE 2: UNIT EYEBOLTS FOR MOUNTING
STEP 6: Adjust and level the unit so that it rests on the tees and there is adequate compression on the gasket to warrant a tight
seal.
Ensure that ceiling grid is properly gasket/sealed to prevent infiltration of unfiltered air from the ceiling plenum into the room side.
Above steps are manufacturer's suggested hanging techniques, always make sure to follow all local building codes, including
seismic, where applicable.
STEP 7: Refer to Factory Label to determine which speed controller is on the unit and use the following table for appropriate
reference page for the particular speed controller on your unit.
Sample line string:
FFU-1-X//I/24/48/RSR/FC/ECM/115/10//CF//HEPA//BFC////DSW-115////RMB/ASSP/INJ//FL+ML+BACnet///WPFH/PL-AL/F-
AL//PL-B12/F-B12
Speed Controller Page Reference
PSCSC/WK 6
ECMSC/WK 7
ECMDX/WK 8
BFC 10
NOTE: Depending on unit ordered, speed controller will be mounted on the unit itself, or, if a wall-kit option was selected, shipped
loose for field installation
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FAN FILTER UNIT
INSTALLATION & SERVICE INSTRUCTIONS
Speed Controllers
PSCSC/WK Speed Controller Installation & Operation
Sample line string:
FFU-1-X//I/24/48/BTR/FC/PSC/115/10////HEPA//PSCSC//WK-PSC//DSW-115////TMB/ASSP//////WPFH/PL-AL///PL-B12/
If unit does not have the wall kit (WK) option, proceed to step 11A.
Sample line string:
FFU-1-X//I/24/48/BTR/FC/PSC/115/10////HEPA//PSCSC/////DSW-115////TMB/ASSP//////WPFH/PL-AL///PL-B12/
STEP 8A: Locate pre-installed electric box for wall-mounted speed controller.
STEP 9A: Wire speed controller according to wiring diagram found on page 57. Wall-mounted speed controller will be wired in
series with the motor.
NOTE: Wiring should be carried out by a certified electrician and meet national and local electrical codes.
STEP 10A: Attach the wall-mounted controls faceplate to the electrical box using the screws provided.
STEP 11A: Wire the unit according to appropriate wiring diagram. If Power Cord (PC) option is selected, simply insert plug end
into electrical socket.
Sample line string:
FFU-1-X//I/24/48/BTR/FC/PSC/115/10////HEPA//PSCSC/////DSW-115/PC-115///TMB/ASSP//////WPFH/PL-AL///PL-B12/
NOTE: Wiring should be carried out by a certified electrician and meet national and local electrical codes.
STEP 12A: If using RSR filter, refer to page 11 for filter installation instructions.
NOTE: Ensure that the space is clean, free of debris, and ducts are cleaned and ready for operation prior to installation of filter.
STEP 13A: Ensure proper voltage is hooked up to the unit.
STEP 14A: Proceed to controls and balancing section on page 42.
NOTE: Clockwise rotation will increase airflow, counter-clockwise rotation will decrease airflow.
NOTE: If unit is ducted, refer to Technical Note: Balancing Ducted Units on page 44 of this manual.
FIGURE 3: PSC SPEED CONTROLLER WITH WALL KIT OPTION
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FAN FILTER UNIT
INSTALLATION & SERVICE INSTRUCTIONS
ECMSC/WK Speed Controller Installation and Operation
Sample line string below:
FFU-HE/24/48/RSR/BC/ECM/115/10//CT//HEPA//ECMSC// WK /DSW/PC/TMB/ATS/ML/FL/WPF/PL-AL/F-AL/PL-B12/F-B12
If unit does not have the wall kit (WK) option, proceed to STEP 11B.
Sample line string:
FFU-1-X//I/24/48/RSR/FC/ECM/115/10//CF//HEPA//ECMSC/////DSW-115////RMB/ASSP//////WPFH/PL-AL/F-AL//PL-B12/F-B12
STEP 8B: Locate pre-installed electrical box for wall-mounted speed controller.
STEP 9B: Wire speed controller according to wiring diagram found on page 58 - 60. Motor speed controller will have color coded
wires and must be wired to the matching colors on the wall-mounted portion.
NOTE: Wiring should be carried out by a certified electrician and meet national and local electrical codes.
STEP 10B: Attach the wall-mounted controls faceplate to the electrical box using the screws provided.
STEP 11B: Wire the unit according to appropriate wiring diagram. If Power Cord (PC) option is selected, simply insert plug end
into electrical socket.
Sample line string:
FFU-1-X//I/24/48/RSR/FC/ECM/115/10//CF//HEPA//ECMSC//WK-ECMSC//DSW-115//PC-115/RMB/ASSP//////WPFH/PL-AL/F-
AL//PL-B12/F-B12
NOTE: Wiring should be carried out by a certified electrician and meet national and local electrical codes.
STEP 12B: If using RSR filter, refer to page 11 for filter installation instructions.
NOTE: Ensure that the space is clean, free of debris, and that ducts are cleaned and ready for operation prior to installation of filter
STEP 13B: Ensure proper Voltage is hooked up to the unit.
STEP 14B: Proceed to controls and balancing section on pages 42.
FIGURE 4: ECMSC/WK
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FAN FILTER UNIT
INSTALLATION & SERVICE INSTRUCTIONS
Speed Controllers
ECMDX/WK Speed Controller Installation and Operation
Sample line string:
FFU-HE/24/48/RSR/BC/ECM/115/10//CT//HEPA//ECMDX// /DSW/PC/TMB/ATS/ML/FL/WPF/PL-AL/F-AL/PL-B12/F-B12
If unit does not have the wall kit (WK) option, proceed to STEP 11C.
Sample line string:
FFU-HE/24/48/RSR/BC/ECM/115/10//CT//HEPA//ECMDX//WK/DSW/PC/TMB/ATS/ML/FL/WPF/PL-AL/F-AL/PL-B12/F-B12
STEP 8C: Locate pre-installed electrical box for wall-mounted speed controller.
NOTE: Wall kit must be mounted horizontally, as shown above.
STEP 9C: Wire unit according to wiring diagram found on page 58 - 60. Motor speed controller will have color coded wires and
must be wired to the matching colors on the wall-mounted portion.
NOTE: 24VAC and COMMON will need to be run from the terminal block in the control box to the terminals listed 24VAC HOT, and
COMMON on the wall-mounted portion.
NOTE: Wiring should be carried out by a certified electrician and meet national and local electrical codes.
STEP 10C: Attach the wall-mounted controls faceplate to the electrical box using the screws provided.
STEP 11C: Wire the unit according to appropriate wiring diagram. If Power Cord (PC) option is selected, simply insert plug end
into electrical socket
FIGURE 5: ECMDX WALL KIT SPEED CONTROLLER
FIGURE 6: ECMDX WALL KIT SPEED CONTROLLER
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