13.2 Model 1286
Stock # Description
156109 HP Blower Motor (1500 RPM)
170045 Capacitor, Motor 25MFD, 370V
190396 Motor Speed Control
500030 Ballast (Fluorescent Lighting)
141048 Fluorescent Lamp (32 Watt)
230054 Circuit Breaker, 15A SP
430263 Line cord Assembly, 20A, 120V,
Hospital Grade
760180 Filter, Supply HEPA 18” x 72” x
5-7/8” Pressure Range: 0.78”-1.05”
at 1350 cfm, filter drop pressure test
ed per IES-RP-CC001.3
760181 Filter, Exhaust HEPA 24” x “24 x
5-7/8”
500009 Ballast, (UV Lighting)
141014 30W Germicidal Lamp
360095 Rocker Switch, SPST, Flat Black
360105 Rocker Switch, SPDT
249025 Valve Body w/Tip
104008 Gauge, Static Pressure
360146 Rocker Switch, DPST
230166 Fuses, 3 Amp 1/4” x 1-1/4”
230204 Circuit Breaker/Switch 18A
400163 Sash Alarm Board
The parts for the Model 1287 are the same as Model 1286
with the addition of:
Stock # Description
275012 Transformer, 1.5KVA, 240/120V
430270 European Cord, 230V, 16A
230179 Circuit Breaker/Switch 10A
13.3 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. It is a straight proportion from one setting
to the other.
Example:
A filter rating of 0.31” of water at 352 CFM needs to be
converted to 530 CFM.
The formula is as follows:
0.31
= x
352 530
Solving for x (the needed pressure drop at 530 CFM)
x=(0.31
)*530
352
x=0.47” of water (rounded)
13 -2
Class II, A2 Biological Safety Cabinets________________________________________________________________Parts List
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