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Removal of Main Control Board

WARNING!

Disconnect the unit from the electrical power source before attempting to service the unit.

Step 1 -- Access the unit's electrical box per instructions based on the model you have. (See page 10)

Step 2 -- Remove the two screws holding the control board face plate to the fan filter unit.

Step 3 -- If applicable, disconnect the CAT5e cables from RJ45 jacks on the front of the board.

Step 4 -- Disconnect the motor (red 4-pin plug) and the face control board (red 5-pin plug) from the

main control board by pulling the plug straight out from the board.

Step 5 -- Using a small blade screwdriver, disconnect power supply wires from the control board terminal block.

Step 6 -- To install a new board, repeat above steps in reverse order.

CONTROL BOARD

FACE PLATE

FACE DISPLAY/CONTROL

BOARD PLUG

MOTOR PLUG

POWER TERMINAL

BLOCK

RJ45 JACKS

DRAWING NAME

DRAWN

CATEGORY

CHKD

APRVD

PRODUCT

SIZE

TAG

QTY

BRS/SLG

06/13/22

CRITI-CLEAN ULTRA INSTALLATION MANUAL

SSLFHFD-FFU-RF-MEA

REV # F
SHT 11 27

/

SCL

DO NOT

SCALE

1:10

STAINLESS STEEL

CRITI-CLEAN ULTRA

REVERSE FLOW - FAN FILTER UNITS

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Содержание SSLFHFD-FFU

Страница 1: ...e access READ COMPLETELY AND SAVE THESE INSTRUCTIONS FOR FUTURE REFERENCE DRAWING NAME DRAWN CATEGORY CHKD APRVD PRODUCT SIZE TAG QTY BRS SLG 06 13 22 CRITI CLEAN ULTRA INSTALLATION MANUAL SSLFHFD FFU RF MEA REV F SHT 1 27 SCL DO NOT SCALE 1 8 STAINLESS STEEL CRITI CLEAN ULTRA REVERSE FLOW FAN FILTER UNITS ...

Страница 2: ...FFU RP14 14 x 14 x 3 8 Expanded aluminum pre filter 2 ply FFU RP21 Variable speed motorized impeller 120 VAC FFU RP22 Variable speed motorized impeller 208 240 277 VAC FFU RP31 Main control board FFU RP32 Airflow measure and display system FFU RP33 Face control display board board only FFU RP34 120 24 VAC transformer FFU RP35 208 240 24 VAC transformer FFU RP36 277 24 VAC transformer FFU RP37 Netw...

Страница 3: ...nstallation work and electrical wiring must be completed by qualified personnel in accordance with all applicable codes and standards to include fire rated constructions x When cutting or drilling into walls and ceilings be careful not to damage electrical wiring and other hidden utilities x If this unit is to be installed within close proximity to water mark the unit in accordance with applicable...

Страница 4: ...et upstream air device to produce 0 0 W C static pressure at the fan unit inlet Use dampers if necessary if installing mutiple fan units on the same duct line Verify incoming power matches the rating plate then connect main power wiring Connect control wiring if applicable Run the unit and or upstream air device to flush out construction debris Install the pre filter if applicable Install the HEPA...

Страница 5: ...hese instructions FFU RF MEA units the electrical box will be accessible from the room side SSLFHFD FFU 120 120 VAC SUPPLY 2 8 FLA SSLFHFD FFU 208 208 VAC SUPPLY 2 6 FLA SSLFHFD FFU 240 240 VAC SUPPLY 2 3 FLA SSLFHFD FFU 277 277 VAC SUPPLY 1 9 FLA Step 5 Blow out clean entire duct system leading to unit to remove construction debris This is especially important for motor accessible units as they d...

Страница 6: ...rcentage of motor speed instead of CFM but it will still display CFM during normal operation The unit in this setting is still preferable to a PSC system due to the energy efficiency of an ECM versus a PSC motor and all control options are still applicable DUCTED APPLICATIONS If ordered with the Airflow Sensor option the condition immediately before the inlet can impact the CFM reading Use the C u...

Страница 7: ...nded that this filter be washed or re used Replacement filters are available from AJ Manufacturing NOMINAL UNIT SIZE PART NUMBER 48 x 24 U4A1 24 x 24 U4A2 DRAWING NAME DRAWN CATEGORY CHKD APRVD PRODUCT SIZE TAG QTY BRS SLG 06 13 22 CRITI CLEAN ULTRA INSTALLATION MANUAL SSLFHFD FFU RF MEA REV F SHT 7 27 SCL DO NOT SCALE 1 10 STAINLESS STEEL CRITI CLEAN ULTRA REVERSE FLOW FAN FILTER UNITS ...

Страница 8: ...ts until flush with the end of the threaded stud USE TWO PEOPLE TO SUPPORT THE FILTER and rotate the filter clips toward the offset hole until clip is clear of the filter Step 5 Allow gravity to pull the filter away from the unit If installing a new filter discard the filter in an appropriate manner Step 6 Unpack the new filter and inspect for shipping damage If damage is found do not install in u...

Страница 9: ...ructions Step 5 If equipped with an Airflow Sensor make note of the plug into the sensor Cut any zip ties holding the wire to the sensor bracket Unplug the wire and move out of the way Step 6 Support the weight of the fan assembly and use a 7 16 driver to remove the eight 8 motor mount plate screws Step 7 Carefully lower the motor assembly and disconnect the 3 pin power plug and the 4 pin data plu...

Страница 10: ... the unit Turn the unit off with the main power switch located on the electrical box Disconnect the unit at the power source or at the service panel in accordance with OSHA LOTO practices and procedures DRAWING NAME DRAWN CATEGORY CHKD APRVD PRODUCT SIZE TAG QTY BRS SLG 06 13 22 CRITI CLEAN ULTRA INSTALLATION MANUAL SSLFHFD FFU RF MEA REV F SHT 10 27 SCL DO NOT SCALE 1 8 STAINLESS STEEL CRITI CLEA...

Страница 11: ... 4 pin plug and the face control board red 5 pin plug from the main control board by pulling the plug straight out from the board Step 5 Using a small blade screwdriver disconnect power supply wires from the control board terminal block Step 6 To install a new board repeat above steps in reverse order CONTROL BOARD FACE PLATE FACE DISPLAY CONTROL BOARD PLUG MOTOR PLUG POWER TERMINAL BLOCK RJ45 JAC...

Страница 12: ...ay Calibration Control Blue light indicates local setpoint NOTE ON OFF SWITCH AND DIGITAL CONTROL ARE HIDDEN WHEN FACE FRAME IS IN PLACE DRAWING NAME DRAWN CATEGORY CHKD APRVD PRODUCT SIZE TAG QTY BRS SLG 06 13 22 CRITI CLEAN ULTRA INSTALLATION MANUAL SSLFHFD FFU RF MEA REV F SHT 12 27 SCL DO NOT SCALE 1 15 STAINLESS STEEL CRITI CLEAN ULTRA REVERSE FLOW FAN FILTER UNITS ...

Страница 13: ...ff the main power switch will not disconnect power from the fuse The cartidge fuse can be removed by turning the fuse holder counterclockwise a 1 4 turn Remove the fuse from the fuse holder and discard Insert new fuse and replace fuse holder NOTE 277VAC units have a 5 A cartridge fuse Others have a 8 A resettable fuse DRAWING NAME DRAWN CATEGORY CHKD APRVD PRODUCT SIZE TAG QTY BRS SLG 06 13 22 CRI...

Страница 14: ...tical counters etc This manual will give basic information on how to connect controls and sensors to the unit For more details refer to the instructions included with the controller or sensors SIGNAL BEHAVIOUR The Network CFM Setpoint is read and written directly in units of CFM External analog signals are scaled to a minimum and maximum airflow when in CFM control mode IE 0 5VDC 2 5VDC 0 5 of ful...

Страница 15: ...d identically However assembled network cable are available field assembled cables are the leading cause of problems in new systems ACC1001 control used as an example Other controller options available Power to the controller is supplied through a wall AC adapter supplied with the controller DRAWING NAME DRAWN CATEGORY CHKD APRVD PRODUCT SIZE TAG QTY BRS SLG 06 13 22 CRITI CLEAN ULTRA INSTALLATION...

Страница 16: ...D J1 EC Motor Port E JVS 1 INP1 10V signal range selector F JP1 INP1 and INP2 analog digital inputs G JVS 2 INP2 10V signal range selector H JLED External FAULT output J JPUD2 INP2 digital input pull up or 20mA signal format selector K JPUD1 INP1 digital input pull up or 20mA signal format selector L JP420 0 20mA or 4 20mA signal format selector M JFBS TACH or Analog 2 feedback signal selector N A...

Страница 17: ... used with analog setpoint input Address Selection When adjusted to the ON position each DIP switch pole represents a value as follows Calculate the address value of existing switch settings by adding the values of each DIP switch pole in the ON position per the table at left Construct switch settings for a desired address value by successively subtracting the largest pole value that is less than ...

Страница 18: ...h V RFU shunt Full wave rectified power supplied 33VDC INP1 on JP1 wiring block is for monitoring only 0 10VDC 0 5VDC 0 20mA 4 20mA INP2 on JP1 wiring block is for closed loop feedbackor monitoring Controling airflow by room pressure or particle counter Switch S1 1 S1 2 Control Loop Mode Setpoint Source OFF Open Loop Control Analog Setpoint ON Closed Loop Control Network Setpoint Shunt JP420 JFBS ...

Страница 19: ... S1 1 S1 2 Control Loop Mode Setpoint Source OFF Open Loop Control Analog Setpoint ON Closed Loop Control Network Setpoint DRAWING NAME DRAWN CATEGORY CHKD APRVD PRODUCT SIZE TAG QTY BRS SLG 06 13 22 CRITI CLEAN ULTRA INSTALLATION MANUAL SSLFHFD FFU RF MEA REV F SHT 19 27 SCL DO NOT SCALE 1 10 STAINLESS STEEL CRITI CLEAN ULTRA REVERSE FLOW FAN FILTER UNITS ...

Страница 20: ...BOARD DRAWING NAME DRAWN CATEGORY CHKD APRVD PRODUCT SIZE TAG QTY BRS SLG 06 13 22 CRITI CLEAN ULTRA INSTALLATION MANUAL SSLFHFD FFU RF MEA REV F SHT 20 27 SCL DO NOT SCALE 1 10 STAINLESS STEEL CRITI CLEAN ULTRA REVERSE FLOW FAN FILTER UNITS ...

Страница 21: ... Loop Mode Setpoint Source OFF Open Loop Control Analog Setpoint ON Closed Loop Control Network Setpoint DRAWING NAME DRAWN CATEGORY CHKD APRVD PRODUCT SIZE TAG QTY BRS SLG 06 13 22 CRITI CLEAN ULTRA INSTALLATION MANUAL SSLFHFD FFU RF MEA REV F SHT 21 27 SCL DO NOT SCALE 1 10 STAINLESS STEEL CRITI CLEAN ULTRA REVERSE FLOW FAN FILTER UNITS ...

Страница 22: ...Shunt on V RFU and center pin Pressure transducer provides 0 10VDC output signal Powered by 33VDC supply DRAWING NAME DRAWN CATEGORY CHKD APRVD PRODUCT SIZE TAG QTY BRS SLG 06 13 22 CRITI CLEAN ULTRA INSTALLATION MANUAL SSLFHFD FFU RF MEA REV F SHT 22 27 SCL DO NOT SCALE 1 10 STAINLESS STEEL CRITI CLEAN ULTRA REVERSE FLOW FAN FILTER UNITS ...

Страница 23: ...ROUGH CONTROLLER Pressure transducer provides 4 20mA output signal Powered by 33VDC supply DRAWING NAME DRAWN CATEGORY CHKD APRVD PRODUCT SIZE TAG QTY BRS SLG 06 13 22 CRITI CLEAN ULTRA INSTALLATION MANUAL SSLFHFD FFU RF MEA REV F SHT 23 27 SCL DO NOT SCALE 1 10 STAINLESS STEEL CRITI CLEAN ULTRA REVERSE FLOW FAN FILTER UNITS ...

Страница 24: ... necessary x Adjust the digital speed control for higher airflow output x Check the power supply for proper voltage amperage and distribution frequency x Verify dip switches are correct for type of controls used x Replace HEPA filter if airflow remains low High Airflow x Adjust digital speed control for lower output x Verify dip switches are correct for type of controls used Non Laminar Airflow an...

Страница 25: ...BOARD AFS EC MTR SAFETY SWITCH POWER SUPPLY FUSE MAIN POWER SWITCH DRAWING NAME DRAWN CATEGORY CHKD APRVD PRODUCT SIZE TAG QTY BRS SLG 06 13 22 CRITI CLEAN ULTRA INSTALLATION MANUAL SSLFHFD FFU RF MEA REV F SHT 25 27 SCL DO NOT SCALE 1 1 STAINLESS STEEL CRITI CLEAN ULTRA REVERSE FLOW FAN FILTER UNITS ...

Страница 26: ... Construct switch settings for a desired address value by successively subtracting the largest pole value that is less than the desired address value repeating with each remainder until the remainder is zero An example is provided below DIP Switch Pole Value 1 1 2 2 3 4 4 8 5 16 6 32 7 64 8 128 DRAWING NAME DRAWN CATEGORY CHKD APRVD PRODUCT SIZE TAG QTY BRS SLG 06 13 22 CRITI CLEAN ULTRA INSTALLAT...

Страница 27: ...correct a defective component part or product after a reasonable number of attempts the Buyer shall be entitled to elect a refund at original Buyer s purchase CHARGES ACCRUED AGAINST SELLER S ACCOUNT WITHOUT PRIOR APPROVAL OF SELLER WILL NOT BE PAID BY SELLER If after notifying AJ of defect Buyer returns goods to AJ for repair and AJ determines that it has not breached the foregoing warranty the B...

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