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A copy of these installation instructions can be obtained at this webpage:
WWW.AJMFG.COM
READ COMPLETELY AND SAVE THESE INSTRUCTIONS FOR FUTURE REFERENCE
-These instructions cover fan filter unit models:
- SSLFHFD-FFU (Standard, top side access)
- SSLFHFD-FFU-MEA (Motor/Electronics Accessible, room side access)
DRAWN
DRAWN
MATERIAL
MATERIAL
BRS
BRS
CHKD
CHKD
FINISH
FINISH
APRVD
APRVD
SIZE
SIZE
STAINLESS STEEL
SSLFHFD-FFU
CRITI-CLEAN ULTRA FAN FILTER UNIT
JOB NAME
JOB NAME
ENGINEER
ENGINEER
CONTRACTOR
CONTRACTOR
TAG
TAG
QTY
QTY
REV # E
REV # E
SHT
SHT
1 30
1 30
/
/
DRAWING NAME
SCL
SCL
1:10
1:10
DO NOT
DO NOT
SCALE
SCALE
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Summary of Contents for AJ SSLFHFD-FFU
- Page 1 WWW.AJMFG.COM CRITI-CLEAN ULTRA FAN FILTER UNIT READ COMPLETELY AND SAVE THESE INSTRUCTIONS FOR FUTURE REFERENCE -These instructions cover fan filter unit models: - SSLFHFD-FFU (Standard, top side access) - SSLFHFD-FFU-MEA (Motor/Electronics Accessible, room side access) DRAWN DRAWN MATERIAL MATERIAL JOB NAME...
- Page 2 STAINLESS STEEL SSLFHFD-FFU CRITI-CLEAN ULTRA FAN FILTER UNIT Critical operation conditions of the Fan Filter Unit DO NOT TOUCH the HEPA filter media. Damage to filter media may void the filter warranty. The screen is to protect against accidental contact with the filter. Never place objects on the filter. Always transport or lift the filter by its frame.
- Page 3 This unit is to be used only as intended by the manufacturer. If you have any questions regarding the use, installation, or operation of this unit, contact the manufacturer: AJ Manufacturing Co., Inc. 8701 Elmwood Avenue; Suite 400 Kansas City, MO 64132...
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Page 4: Installation Checklist
STAINLESS STEEL SSLFHFD-FFU CRITI-CLEAN ULTRA FAN FILTER UNIT INSTALLATION CHECKLIST This is to provide a general overview of what steps should be taken to achieve a successful installation of the fan filter unit. These steps should be performed in the order listed. For more detail see applicable section in this instruction manual. -
Page 5: Installation
SSLFHFD-FFU-120 --- 120 VAC SUPPLY, 2.8 FLA SSLFHFD-FFU-208 --- 208 VAC SUPPLY, SSLFHFD-FFU-240 --- 240 VAC SUPPLY, 2.3 FLA Main Power Switch SSLFHFD-FFU-277 --- 277 VAC SUPPLY, 1.9 FLA Main Control Board Step 5 -- Blow out / clean entire duct system leading to unit to remove construction debris. - Page 6 STAINLESS STEEL SSLFHFD-FFU CRITI-CLEAN ULTRA FAN FILTER UNIT A NOTE ABOUT VAV BOXES AND DUCTED APPLICATIONS In applications where the fan filter unit will be installed downstream of variable airflow devices such as VAV boxes, air valves, or variable air handlers, proper care in unit set-up needs to be taken.
- Page 7 STAINLESS STEEL SSLFHFD-FFU Cleaning the Fan Filter Unit Pre-filter (when applicable) CRITI-CLEAN ULTRA FAN FILTER UNIT WARNING! Disconnect the unit from the electrical power source before attempting to service the unit. Note: For maximum performance, wash pre-filter every three to six months at a minimum.
- Page 8 STAINLESS STEEL SSLFHFD-FFU Removal and Replacement of the HEPA Filter with Gel Seal WARNING! CRITI-CLEAN ULTRA FAN FILTER UNIT Disconnect the unit from the electrical power source before attempting to service the unit. WARNING! The HEPA filter may be protected by an expanded metal screen. The screen prevents accidental contact with the filter media.
- Page 9 STAINLESS STEEL SSLFHFD-FFU Removal and Installation of the Variable Speed Motor (SSLFHFD-FFU) CRITI-CLEAN ULTRA FAN FILTER UNIT WARNING! Disconnect the unit from the electrical power source before attempting to service the unit. Step 1 -- Turn the unit off with the switch located on the face of the unit.
- Page 10 STAINLESS STEEL SSLFHFD-FFU Removal and Installation of the Variable Speed Motor (SSLFHFD-FFU-MEA) CRITI-CLEAN ULTRA FAN FILTER UNIT WARNING! Disconnect the unit from the electrical power source before attempting to service the unit. Step 1 -- Using a flat screwdriver, release the face frame by rotating the four (4) fasteners a 1/4-turn counter clock-wise.
- Page 11 STAINLESS STEEL SSLFHFD-FFU Access to Electrical Components (SSLFHFD-FFU-STD/MA) CRITI-CLEAN ULTRA FAN FILTER UNIT WARNING! Disconnect the unit from the electrical power source before attempting to service the unit. -- Turn the unit off with the switch located on the electrical box.
- Page 12 STAINLESS STEEL SSLFHFD-FFU Access to Electrical Components (SSLFHFD-FFU-MEA) CRITI-CLEAN ULTRA FAN FILTER UNIT WARNING! Disconnect the unit from the electrical power source before attempting to service the unit. -- Turn the unit off with the switch located on the electrical box.
- Page 13 STAINLESS STEEL SSLFHFD-FFU Removal of Main Control Board WARNING! CRITI-CLEAN ULTRA FAN FILTER UNIT 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 pages 11-12)_ Step 2 -- Remove the two screws holding the control board face plate to the fan filter unit.
- Page 14 STAINLESS STEEL SSLFHFD-FFU CRITI-CLEAN ULTRA FAN FILTER UNIT FACE FRAME REMOVED FACE FRAME INSTALLED Numeric Display Setpoint Control Calibration Control ON/OFF Switch Status LED Indicators - YELLOW -- Unit Off NOTE: ON/OFF SWITCH AND - GREEN -- Unit Running DIGITAL CONTROL ARE HIDDEN - RED -- Filter Dirty (Optional) WHEN FACE FRAME IS IN PLACE.
- Page 15 STAINLESS STEEL SSLFHFD-FFU FUSE CRITI-CLEAN ULTRA FAN FILTER UNIT Each fan filter is equipped with an 8 Amp resettable or 5 Amp cartridge fuse to protect the unit from electrical spikes. The fuse is located on the plaster frame close to the display board.
- Page 16 STAINLESS STEEL SSLFHFD-FFU CRITI-CLEAN ULTRA FAN FILTER UNIT PAO CHALLENGE SYSTEM An optional PAO Challenge Manifold System is available to provide a reliable, convenient method of performing a challenge test of the fan filter unit at the face. **These instructions are to assist a qualified technician in testing the leakage of the fan filter unit. Filter should be installed for a minimum of 30 minutes before test is performed Step 1 -- Use a flat screwdriver to release the face frame by rotating the four (4) fasteners a 1/4-turn counter clock-wise.
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Page 17: Range Units
STAINLESS STEEL SSLFHFD-FFU CONTROLS The fan filter unit can be controlled through various inputs: CRITI-CLEAN ULTRA FAN FILTER UNIT 1. Local potentiometer control - Adjust airflow from the face(disabled if unit external controlled) - Adjust flow from back of unit (disabled if face control present) 2. - Page 18 STAINLESS STEEL SSLFHFD-FFU NETWORKING CRITI-CLEAN ULTRA FAN FILTER UNIT When networking the fan filter units either in a local area network (LAN) or connecting to a BAS/BMS system, each unit is connected in a "straight-through" daisy-chain using Cat5e or Cat6 network cables and the on-board RJ45 connectors.
- Page 19 STAINLESS STEEL SSLFHFD-FFU CRITI-CLEAN ULTRA FAN FILTER UNIT 1. RJ45 Dual Jacks 2. Modbus Address DIP Switches 3. S1-1 and S1-2 Configuration DIP Switches 4. STATUS LED 5. NET LED (network activity) 6. FAULT LED 7. Mulitmeter Common 8. Multimeter Setpoint as mVDC 9.
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Page 20: Dip Switch Settings
STAINLESS STEEL SSLFHFD-FFU NETWORKING CRITI-CLEAN ULTRA FAN FILTER UNIT DIP SWITCH SETTINGS Each fan filter unit in a network must be set to a unique address between 1 and 247. Addresses 248- 255 are declared reserved per MODBUS protocol. A DIP switch block of eight switches are used for addressing. - Page 21 STAINLESS STEEL SSLFHFD-FFU CONFIGURATION DIP SWITCHES S1-1 & S1-2 CRITI-CLEAN ULTRA FAN FILTER UNIT S1-1 S1-2 Switch Control Loop Mode Setpoint Source Open-Loop Control Analog Setpoint ON Closed-Loop Control Network Setpoint Open-Loop -- Fan filter unit is controlled by a controller, i.e. on-board potentiometer or network controller.
- Page 22 STAINLESS STEEL WIRING A REMOTE MOUNTED POT SSLFHFD-FFU TO CONTROL BOARD CRITI-CLEAN ULTRA FAN FILTER UNIT DRAWN MATERIAL JOB NAME REV # E SHT 22 30 CHKD FINISH ENGINEER DRAWING NAME 1:10 INSTALL AND OPERATION APRVD SIZE CONTRACTOR DO NOT...
- Page 23 STAINLESS STEEL WIRING OF 0 -10 VDC INPUT SIGNAL TO SSLFHFD-FFU CONTROL FAN SPEED CRITI-CLEAN ULTRA FAN FILTER UNIT S1-1 S1-2 0-10 VDC Switch INPUT CONTROL SIGNAL Control Loop Mode Setpoint Source Open-Loop Control Analog Setpoint ON Closed-Loop Control Network Setpoint...
- Page 24 STAINLESS STEEL EXAMPLE OF WIRING A PRESSURE SSLFHFD-FFU TRANSDUCER TO CONTROL BOARD CRITI-CLEAN ULTRA FAN FILTER UNIT FOR FEEDBACK OR MONITORING THROUGH CONTROLLER - Pressure transducer provides 0-10VDC output signal - Powered by ~33VDC supply 10V output Shunt on V.RFU...
- Page 25 STAINLESS STEEL EXAMPLE OF WIRING A SENSOR SSLFHFD-FFU TO CONTROL BOARD CRITI-CLEAN ULTRA FAN FILTER UNIT FOR FEEDBACK OR MONITORING THROUGH CONTROLLER - Pressure transducer provides 4-20mA output signal - Powered by ~33VDC supply Shunt on V.RFU and center pin...
- Page 26 STAINLESS STEEL SSLFHFD-FFU CRITI-CLEAN ULTRA FAN FILTER UNIT Testing Each fan filter unit is thoroughly tested at the factory before shipment. However, many codes and standards require testing for bypass leakage after installation. The manufacturer encourages that the customer contact an independent, certified testing organization with technicians that are trained and experienced in performance, evaluation, and maintenance of clean air equipment.
- Page 27 STAINLESS STEEL SSLFHFD-FFU CRITI-CLEAN ULTRA FAN FILTER UNIT Digital Speed Control/ Display Board (on Face) Safety Limit Switch Low Voltage Four Wire Harness Legend LINE VOLTAGE 24 VAC Network Control Board To Next Unit CAT5 Network cable Network connections Variable Speed...
- Page 28 STAINLESS STEEL MOTOR TERMINALS SSLFHFD-FFU CRITI-CLEAN ULTRA FAN FILTER UNIT White 18awg White 18awg Red 18awg Green LED FUNCTION (Face) 10VCD SUPPLY SIGNAL GROUND E1 TACHOMETER OUTPUT, PWM ON/OFF Switch MOTOR START (Face) SPEED INPUT 0-10V SPEED CONTROL POT Green LED...
- Page 29 STAINLESS STEEL SSLFHFD-FFU CRITI-CLEAN ULTRA FAN FILTER UNIT DIP SWITCH SETTINGS FOR UP TO 30 FAN FILTER UNITS FOR MORE UNITS SEE BELOW. Calculate the address value of existing switch settings by adding the values of each DIP switch pole in the ON position, per the table below.
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Page 30: Limited Warranty
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 Buyer will be assessed AJ regular reconditioning charges.
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