FAN FILTER UNIT
INSTALLATION & SERVICE INSTRUCTIONS
Bench Top Replaceable (BTR)
Sample line string:
FFU-1-1//I/24/48/BTR/FC/ECM/115/10//CF//HEPA//BFC////DSW-115//PC-115//RMB/ASSP/INJ//FL+ML+BACnet/// WPFH/PL-
AL/F-AL//PL-B12/F-B12
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 1: STEP 1. Remove gasketed bolt located along center channel of BTR filter. There are two ports that can be used, but with
LED indicator option, one port will be used for the LED installation.
FIGURE 37: AEROSOL SAMPLE AND STATIC PORT.
STEP 2: Remove gasketed bolt.
STEP 3: Insert pressure measuring gauge (eg. Magnehelic) to read pressure drop across filter or upstream aerosol concentration.
Hole size is 5/16".
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