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FAN FILTER UNIT

SERVICE INSTRUCTIONS

Room Side Accessible Controls

Sample line string: 

FFU-1-X//I/SUPPLY/24/48//RSR/HEPA/FC/ECM/115/CF/R+TMB/BACnet/BFC/

R+TC

/DSW-115/PC-115/

ASSP/INJ//WPF/PL-AL/F-AL/PL-B12/F-B12 

Step 1: 

Remove diffuser perforated face by turning quarter turn fasteners holding face in place.

NOTE: 

Safety cables will be attached to the diffuser face, but care should be taken to ensure that diffuser face does not swing and 

injure anyone.

Step 2: 

Remove filter by loosening cam latch bolts (filter retainer clips) by turning counter clockwise using your hands, or hex key 

as required to fully tighten latches. 

DIFFUSER FACE WITH QUARTER TURN FASTENERS 

CAM LATCH BOLTS 

30

priceindustries.com   |   FAN FILTER UNIT - Manual

FAN FILTER UNIT - Manual  |   priceindustries.com

Содержание FFU series

Страница 1: ...v100 Issue Date 07 10 20 2018 Price Industries Limited All rights reserved MANUAL INSTALLATION SERVICE Fan Filter Unit FFU Series...

Страница 2: ...ter Motor Indicator LED ML FL ECM Units 18 Integrated LED Lighting UFFU 18 Balancing Balancing Technical Note Design with VAV Constant Flow Boxes and Ducted Applications 19 Balancing Un ducted Supply...

Страница 3: ...ve grade or in ceiling Before You Start Shipping Information Inspect all cartons and boxes for flaws and shipping damages If anything is discovered to be damaged contact the shipping company and file...

Страница 4: ...om 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 recommen...

Страница 5: ...r Bench Top Replaceable filter FFU 1 X I SUPPLY 24 48 BTR HEPA FC ECM 115 CF TMB ECMSC TC DSW 115 ASSP WPF PL AL F EM PL WM F EM Step 3 Raise the unit through the ceiling grid at an angle until entire...

Страница 6: ...speed controller Step 2 Wire speed controller according to wiring diagram Wall mounted speed controller will be wired in series with the motor Step 3 Attach the wall mounted controls faceplate to the...

Страница 7: ...24 48 BTR HEPA FC ECM 115 CF TMB ECMSC TC DSW 115 PC 115 ASSP WPF PL AL F EM PL WM F EM Step 2 If ECMSC is to be controlled using analog voltage signal from BAS others or Price WMSC please remove ECMS...

Страница 8: ...end into the electric socket Sample line string FFU 1 X I SUPPLY 24 48 RSR HEPA FC ECM 115 CF R TMB BACnet BFC TC DSW 115 PC 115 ASSP WPF PL AL F AL PL B12 F B12 Step 4 If the unit has an RSR filter i...

Страница 9: ...ved Voltage Velocity 24x36 24x48 Volt FPM BTR BC RSR BC BTR BC RSR BC 115 45 135 CFM 233 449 VDC CFM 267 437 VDC CFM 226 486 VDC CFM 302 517 VDC 240 45 135 CFM 240 450 VDC CFM 193 393 VDC CFM 185 459...

Страница 10: ...lt FPM RSR FC 115 45 90 CFM 290 374 VDC 90 135 CFM 12 222 VDC 240 45 90 CFM 299 380 VDC 90 135 CFM 16 221 VDC 277 45 90 CFM 289 374 VDC 90 135 CFM 20 218 VDC Example 24 x 48 FC Wheel 115V 450cfm VDC C...

Страница 11: ...ust be doubled to achieve that CFM using the BAS input BAS Voltage Response Notes 0 1 VDC Local control mode using push buttons Local setpoint can be adjusted from 0 100 using push buttons 1 2 VDC Mot...

Страница 12: ...35 ECM CFM 6 91 42 ECM CFM 5 45 41 277 45 135 ECM CFM 6 97 41 ECM CFM 5 37 41 Supply Constant Torque Clean Filters Backwards Curved Voltage Velocity 24x36 24x48 Volt FPM BTR BC RSR BC BTR BC RSR BC 11...

Страница 13: ...ubled to achieve that CFM using the BAS input NOTE The calculated ECM setpoint is a starting point actual value may differ slightly depending on field variables NOTE The BAS signal will override the l...

Страница 14: ...SSP WPF PL AL F AL PL B12 F B12 Please refer to the FTR Room side Replaceable Filter RSR Quick Start Guide Bench Top Replaceable Filter BTR Sample line string FFU 1 1 I 24 48 BTR FC ECM 115 10 CF HEPA...

Страница 15: ...R filter there are two ports on the center strip of the filter than can function as the ASSP however if the LED indicator option has been selected one port will be used for the LED installation Option...

Страница 16: ...tep 2 Remove well nut in center port of BTR filter CABLE ASSEMBLY STATIC PRESSURE PORT Step 3 Remove threaded standoff and lock washer from LED cable assembly Step 4 Thread cable through static pressu...

Страница 17: ...l cable back through plenum until plenum can rest on top of filter Step 7 Install the filter refer to the filter installation section of this manual Step 8 Refer to wiring diagram located in control b...

Страница 18: ...sure Motor LED ML Green None Indicates normal motor operation when the static pressure is above 0 1 w g Red Troubleshoot Motor Indicates motor is not in operation and that unit static pressure is belo...

Страница 19: ...tic pressure port located along knife edge of diffuser diffuser face must be removed to access Step 5 Using an obstruction piece of cardboard or equivalent slowly increasing pressure on the unit by bl...

Страница 20: ...as exceeded calibrated setting factory set at 1 5x the clean filter pressure Red Off Adjust setpoint check control mode Indicates motor setpoint is 0 If alternate setpoint is expected please check con...

Страница 21: ...r slightly negative In ducted applications it is critical that primary air be balanced prior to installing the FFU The primary air controls should be locked in position post balancing and the FFU is i...

Страница 22: ...n on FFU and set to desired airflow See Airflow Setpoint section to determine initial setpoint Step 3 Measure airflow using flow hood and compare against scheduled flow Adjust speed controller as nece...

Страница 23: ...3 Ensure each supply air duct is balanced to scheduled airflow and matches FFU set point Step 4 Turn off primary air source Step 5 Install FFU into ceiling connect ductwork Step 6 Turn all FFUs on en...

Страница 24: ...flow hood Step 7 Using the table below adjust FFU controller or upstream airflow device as required Repeat steps 4 6 until desired airflow and inlet pressure 0 0 0 05 w g is achieved FFU Airflow FFU I...

Страница 25: ...to Step 2 Step 2 Set FFU to desired airflow See Airflow Setpoint section to determine initial setpoint Step 3 Confirm airflow using flow hood and adjust speed controller as required Step 4 Power up t...

Страница 26: ...der the brackets non ducted or remove filter access door ducted Reference the below figures for further details Step 3 Clean pre filter by hand washing in water with a mild detergent or by using a vac...

Страница 27: ...the top of the unit by removing adjacent ceiling or access panel Step 2 Remove filter by pushing filter to one side and sliding it out from under the brackets non ducted or remove the duct collar pre...

Страница 28: ...ts to free the motor blower assembly using a 7 16 socket wrench or equivalent Step 6 Remove motor blower assembly Step 7 Inspect and or replace parts Step 8 Replace with the new motor blower assembly...

Страница 29: ...uld be performed by a licensed electrician or authorized service technician STEP 1 Remove diffuser perforated face by turning quarter turn fasteners holding face in place NOTE Safety cables will be at...

Страница 30: ...wrench or equivalent NOTE A 7 16 ratchet with extension is recommended for ease of access for unfastening 2X2 FORWARD CURVED BLOWER HOUSING NUTS LOCATED ON TOP OF BLOWER HOUSING 2X3 AND 2X4 BACKWARD C...

Страница 31: ...or to control box Step 10 Remove motor blower assembly Step 11 Inspect and or replace parts Step 12 Replace with the new motor blower assembly and reassemble by reversing the above steps Step 13 Doubl...

Страница 32: ...uarter turn fasteners holding face in place NOTE Safety cables will be attached to the diffuser face but care should be taken to ensure that diffuser face does not swing and injure anyone Step 2 Remov...

Страница 33: ...if the filter is to be reinstalled Touch the filter by the frame only never touch the filter media as it can damage the filter If your unit is 24 x 48 or 24 x 36 skip to Step 8 Step 5 Remove the 2 nu...

Страница 34: ...with BC option remove the housing to access the control lid Step 9 Remove the control lid from the inside of the plenum using a 7 16 socket wrench for access to the control box STEP 10 Reverse the pr...

Страница 35: ...nt flow to constant torque all that is required is to open the connection of the white wire as shown Switching from constant torque to constant flow To switch the motor from constant torque to constan...

Страница 36: ...duct the Low Air Velocity procedure outlined above 4 Conduct smoke and photometer test on HEPA ULPA filter Seal or replace Motor Keeps Shutting Off 1 Check if unit is ducted 2 If no contact Price at c...

Страница 37: ...ble ECM Speed Control 2ft 019186 001 ECM Power Cable 1 Power Cable Harness 115V 019187 003 Power Cable Harness 208V 240V 277V 019187 004 ECM Wall Controller 1 FFUCS WMSC 30 Transformer Quantity Descri...

Страница 38: ...ntroller Cable 1 Cable ECM Speed Control 2ft 019186 001 ECM Power Cable 1 Power Cable Harness 115V 019187 003 Power Cable Harness 208V 240V 277V 019187 004 ECM Wall Controller 1 FFUCS WMSC 30 Transfor...

Страница 39: ...37 FAN FILTER UNITS NOTES priceindustries com FAN FILTER UNIT Manual priceindustries com FAN FILTER UNIT Manual...

Страница 40: ...38 FAN FILTER UNITS NOTES FAN FILTER UNIT Manual priceindustries com...

Страница 41: ...39 FAN FILTER UNITS NOTES priceindustries com FAN FILTER UNIT Manual...

Страница 42: ...s document contains the most current product information as of this printing For the most up to date product information please go to priceindustries com 2020 Price Industries Limited All rights reser...

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