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Forma Scientific, Inc.
P.O. Box 649
Marietta, Ohio 45750
U.S.A.
Telephone: (740) 373-4763
Telefax: (740) 373-4189
________________________________________
Models:
1284, 1285, 1286, 1287,
1288, 1290, and 1291
Biological Safety Cabinets
Class II, Type A/B
3
Manual No: 7001284
Rev. 2
Read This Instruction Manual
Failure to read, understand and follow the instructions in this manual may result in
damage to the unit, injury to operating personnel and poor equipment performance.
Refer to the serial tag on the
rear cover of this manual
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Summary of Contents for Forma Scientific 1284
- Page 1 P.O. Box 649 Marietta, Ohio 45750 U.S.A. Telephone: (740) 373-4763 Telefax: (740) 373-4189 ________________________________________ Models: 1284, 1285, 1286, 1287, 1288, 1290, and 1291 Biological Safety Cabinets Class II, Type A/B Manual No: 7001284 Rev. 2 Read This Instruction Manual Failure to read, understand and follow the instructions in this manual may result in damage to the unit, injury to operating personnel and poor equipment performance.
- Page 2 Forma Scientific Inc. makes no representations or warranties with respect to this manual. In no event shall Forma Scientific Inc. be held liable for any damages, direct or incidental, arising out of or related to the use of this manual.
- Page 3 Forma Scientific, Inc.
- Page 4 Forma Scientific, Inc.____________________________________________________Safety General Safety Notes used in this Manual Alerts the user to important operating and/or maintenance instructions. May be used alone or with other safety symbols. Read the accompanying text carefully. Potential electrical hazards. Only qualified persons should perform the instructions and procedures associated with this symbol.
- Page 5 Forma Scientific, Inc.____________________________________________________Safety...
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Page 6: Table Of Contents
Forma Scientific, Inc.____________________________________________Contents Table of Contents Page Section 1 - Receiving 1.1 Unpacking List ................1-1 Section 2 - Introduction 2.1 Description................2-1 2.2 Theory of Operation ..............2-1 Section 3 - Installation 3.1 Location ..................3-1 3.2 Power Connection ..............3-1 3.3 Plumbing Connection .............. - Page 7 8.3 Adjusting the Damper ................8-1 8.4 Biological Safety Cabinet Test Grids............ 8-3 Section 9 - Service 9.1 Changing the Blower Motor (Model 1284 Series) ........ 9-1 9.2 Changing the Blower Motor (Model 1286 Series) ....... 9-2 Section 10 - Specifications ..............
- Page 8 Forma Scientific, Inc.____________________________________________Contents Page Section 13 - Schematics ................. 13-1 Section 14 - Warranty Information ............14-1...
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Page 9: Section 1 - Receiving
Forma Scientific, Inc._________________________________________________Receiving Section 1 - Receiving 1.1 Unpacking List Included with the Installation/Operation manual are four index buttons. These buttons may be used to identify the type of service supplied to the service valves. Also included in a separate bag, is a small Allen wrench (used for calibrating the Static Pressure... - Page 10 Forma Scientific, Inc._________________________________________________Receiving...
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Page 11: Section 2 - Introduction
Section 2 - Introduction 2.1 Description The Models 1284, 1285, 1286, 1287, 1288, 1290 and 1291 are Class II, Type A/B 3 cabinets. The "Type A/B 3 " designation indicates two alternative uses of the cabinet. When vented directly into the laboratory room, the unit serves as a "Type A" unit. When vented to the outside atmosphere, through an in-house exhaust system, it serves as a "Type B 3 "... - Page 12 Forma Scientific, Inc.____________________________________________________Installation...
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Page 13: Section 3 - Installation
3/8" FPT coupling. Identification index buttons are supplied. The cabinet will accommodate six service valves. The additional four service valves may be purchased from Forma Scientific, Inc. Explosive/flammable substances should never be used in the cabinet, unless approved and monitored by a biological... -
Page 14: Exhaust Requirements
The exhaust system must be capable of handling the volume of air passing through the cabinet. Models 1284, 1285 and 1288 have an air volume of 356-390 CFM. Models 1286, 1287, 1290 and 1291 have an air volume of 530-581 CFM. -
Page 15: Remote Alarm Contacts, Model 1288, 1290 And 1291
Forma Scientific, Inc.________________________________________________Installation 3.5 Remote Alarm Contacts (Models 1288, 1290 and 1291) For facilities requiring remote alarms connected to biological safety cabinets, a relay with Normally Open and Normally Closed contacts is installed in the blower electrical circuit. The alarm contacts are pre-wired as shown in Figure 3-1 and on the Models 1288, 1290 and 1291 electrical schematics at the back of this manual. - Page 16 Forma Scientific, Inc.________________________________________________Installation...
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Page 17: Section 4 - Operation
Drain valve ultraviolet lamp (both lamps are Series 1284 Class II A/B3 Biological Safety Cabinet located in the work area). Blower housing with c. Ultra-Violet Light (Optional) Side View... -
Page 18: Alarm By-Pass Switch
Drain valve illuminated. The alarm rings- back to remind the operator that the window is still open more than 10 inches. Series 1284 Class II A/B3 Biological Safety Cabinet e. Static Pressure Blower housing with direct drive motor Gauge (In. W.G.) -
Page 19: Blower Speed Control
Forma Scientific, Inc._________________________________________________Operation thermoanemometer. Replace the filters if proper airflow cannot be obtained. The static pressure gauge should not be used as a direct measure of air flow. f. Blower Speed Control The blower speed control is accessed from the front of the control panel by removing the access panel. -
Page 20: Receptacle Fuses
Power is controlled by the receptacle switch located on the control panel. The maximum load is 5 amps total for Models 1284, 1285 and 1288. Models 1286, 1287, 1290 and 1291 have a maximum load of 2 amps total. Models 1285 and 1287 are equipped with 2 single European 230V receptacles. -
Page 21: Forma Scientific Inc
Forma Scientific, Inc._________________________________________________Operation l. Service Valves Two service valves are standard with each cabinet. These valves are located on the right and left side of the work station and can be coded with the type of service that they supply. Identification index buttons are supplied. - Page 22 Exhaust Transition Assembly Air-Tight/Thimble with Damper...
- Page 23 Forma Scientific, Inc._________________________________________________Operation...
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Page 24: Section 5 - General Cautions
Forma Scientific, Inc.___________________________________________General Cautions Section 5 - General Cautions 5.1 Caution Notes • Following initial installation, the unit must be thoroughly tested and certified. • All activities to be performed within the cabinet should be approved by a biological safety officer or other qualified individual. -
Page 25: Section 6 - Cabinet Start-Up
Forma Scientific, Inc.__________________________________________________Start-Up Section 6 - Cabinet Start-Up 6.1 General Recommendations • Keep the movement in the room to a minimum when the cabinet is in use. • Keep all laboratory doors closed to prevent drafts that may disturb critical air flow. -
Page 26: Start-Up Procedure
Forma Scientific, Inc.__________________________________________________Start-Up • Verify that all service valves are closed. • Verify that the cardboard exhaust filter protector has been removed. 6.4 Start-Up Procedure • Turn the light on. • Check the intake and exhaust grills to ensure they are not blocked. -
Page 27: Section 7 - Troubleshooting
Forma Scientific, Inc.___________________________________________Troubleshooting Section 7 - Troubleshooting 7.1 Troubleshooting Guide The following is a guide to troubleshooting the system. If a contaminated area of the cabinet must be entered to determine and/or resolve the source of a particular problem, the cabinet must first be decontaminated. - Page 28 Forma Scientific, Inc.___________________________________________Troubleshooting Problem 3: Fluorescent light malfunction Possible causes: • Check lamp pins and socket ends for contact. • Defective lamp. Problem 4: Loud screeching noise Possible causes: • Bad bearings in the motor blower assembly. • Blower wheel is rubbing against the housing.
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Page 29: Section 8 - Maintenance
Forma Scientific, Inc.________________________________________Routine Maintenance Section 8 - Routine Maintenance 8.1 Checking the Static Pressure Gauge "Zero" Note: In order to provide an accurate reading, the indicating needle of the static pressure gauge should be precisely at zero when the cabinet is shut off. If the cabinet is connected to a central exhaust system, the exhaust system must also be shut off. - Page 30 Forma Scientific, Inc.________________________________________Routine Maintenance • Layout test grids (refer to Section 8.4). • Start-up the cabinet and allow it to run for at least twenty minutes. • Take airflow measurements. If airflow specifications are not sufficient, open the control panel and check the voltage on the power switch.
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Page 31: Biological Safety Cabinet Test Grids
Forma Scientific, Inc.________________________________________Routine Maintenance 8.4 Biological Safety Cabinet Test Grids a. 4-foot Series, Models 1284, 1285, and 1288 DOWNFLOW GRID 5.29“ 6.00“ 6.00“ 6.00“ BACK ROW 5.50“ CENTER ROW 5.50“ FRONT ROW 6.00“ EXHAUST AIRFLOW GRID TOTAL OF 12 AIRFLOW READINGS 5.25“... - Page 32 Forma Scientific, Inc.________________________________________Routine Maintenance b. 6-foot Series, Models 1286, 1287, 1290, and 1291 DOWNFLOW GRID 5.55“ 6.00“ 6.00“ 6.00“ BACK ROW 5.50“ CENTER ROW 5.50“ FRONT ROW 6.00“ EXHAUST AIRFLOW GRID TOTAL OF 16 AIRFLOW READINGS 5.25“ 4.00“ 4.00“ 4.00“...
- Page 33 Forma Scientific, Inc.________________________________________Routine Maintenance...
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Page 34: Section 9 - Service
Before service is to be performed on the cabinet, the unit must be decontaminated! 9.1 Replacing the Blower Motor (Model 1284 Series 4-foot) • Turn the unit off and disconnect it from the power source. • Remove all dress panels. - Page 35 Forma Scientific, Inc.___________________________________________________Service • Remove the front screw on the right hand side of the cabinet that connects the blower housing bracket to the right hand wall of the cabinet. • Loosen (Do Not Remove) the two remaining bolts that connect the blower housing bracket to the top of the cabinet.
- Page 36 Forma Scientific, Inc.___________________________________________________Service • Unbolt the removable inlet collar from the blower housing. • Unbolt the four point motor mounting bracket from the blower housing. • Disconnect the motor wiring harness at the quick connect plug. • Pull the motor, motor mounting bracket, removable inlet collar, and blower wheel out of the blower housing.
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Page 37: Section 10 - Specifications
Forma Scientific, Inc._____________________________________________Specifications Section 10 - Specifications 10.1 Models - 1284, 1285, and 1288 (4' Cabinet With Sliding Window) a. Construction Work Surface: Type 304 Stainless Steel, #4 Finish Cabinet: Cold Rolled Steel and Type 304 Stainless Steel Finish: Antique White Baked-on Powder TCI Hybrid Paint b. - Page 38 Forma Scientific, Inc._____________________________________________Specifications d. Filters (1) Supply HEPA Filter (48"W x 18"F-B x 5-7/8"H) (1) Exhaust HEPA Filter (18"W x 24"F-B x 5-7/8"H) e. Lights (2) Fluorescent 60W, (F48T12/CWX/HO) (1) Optional UV 30W, (G30T8) Germicidal Lamp f. Blower Motor 3/4 HP, 1625 RPM g.
- Page 39 Forma Scientific, Inc._____________________________________________Specifications 1290 Main/Outlets (5): 100 VAC, 1 Phase, 2 Wire, 50 Hz, 13.5 FLA (Total amps includes 2 receptacle amps) Circuit Breaker: 20 Amp Receptacle - NEMA 5-15R 1291 Main/Outlets (5): 100 VAC, 1 Phase, 2 Wire, 60 Hz, 16 FLA...
- Page 40 Forma Scientific, Inc._____________________________________________Specifications 10-4...
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Page 41: Section 11 - Accessories
Forma Scientific, Inc._______________________________________________Accessories Section 11 - Accessories Model 1284, 1286 (customer installed) Description Order Number Service Valve, Vacuum 191141 Service Valve, Air 191142 Service Valve, Nitrogen 191143 Service Valve, Gas 191144 UV Light, 30W 191419 UV Light, 30W portable 191070 Duplex Outlet, ground fault (R.S) - Page 42 Forma Scientific, Inc._______________________________________________Accessories 11-2...
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Page 43: Section 12 - Parts List
275012 Transformer, 1.5 KVA, 240/120V 460052 European Plug, 230V, 16A Model 1288 The parts for the Model 1288 are the same as the Model 1284 with the addition of: 420098 Transformer, 12VA, 115V primary / 12.6V secondary 12-1... - Page 44 Forma Scientific, Inc.________________________________________________Parts Lists 12.2 Model 1286 Stock # Description 156109 3/4 HP Blower Motor (1500 RPM) 170045 Capacitor, Motor 25MFD, 370V 190396 Motor Speed Control 225250 Ballast (Fluorescent Lighting) 141043 72" Fluorescent Lamp (85W, HO) 230054 Circuit Breaker, 15A SP...
- Page 45 Forma Scientific, Inc.________________________________________________Parts Lists Model 1291 The parts for the Model 1291 are the same as the Model 1286 with the addition of: 420098 Transformer, 12VA, 115V primary / 12.6V secondary 420057 Transformer, 175VA, dual primary / dual secondary *Filter Pressure Drop Conversion Pressure drop across a HEPA filter is linear which allows one to accurately predict the pressure drop at various cfm if given a starting value.
- Page 46 Forma Scientific, Inc.________________________________________________Schematics Section 13 - Schematics 13-1...
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