Accutrol T-ABVA Manuel d'installation, d'utilisation et d'entretien - Page 9

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Installation

Step 1: Choose Suitable Mounting Location (Fume Hood Installation Shown)
With the fume hood sash fully opened, the ABVA should
be mounted at a height above the maximum opening to
prevent cross drafts from affecting the performance of
the velocity sensor. Figure 1 shows a good mounting
location on a standard fume hood.
Step 2: Install the ABVA Alarm
The versatile design of the ABVA allows for various
mounting options, three of which are explained below.
Choose the option best suited for your application.
Option 1: Installing the ABVA onto a Single-Gang Electrical Box
The ABVA is designed to fit directly onto a 1-gang electrical box. For mounting, use the two machine
screws provided, however, do not secure until completing Steps 3 through 7
Option 2: Installing the ABVA Directly to Surface
a. Remove the backing from the mounting template provided (PN 2111TAG00642) and adhere it to the
location selected in Step 1. Be sure to mount the template straight.
b. Using a center punch or similar tool, mark the 5-hole centers using enough force to dimple the
mounting surface.
c. Using a 7/64" bit, drill the upper and lower mounting holes.
d. Drill the two 11/16" holes and one 7/8" hole. Suggestion: Use a Step Bit for drilling these three holes.
e. Install the two bushings provided into the 11/16" holes.
f.
The ABVA will be mounted to the surface using the two sheet metal screws provided, however do not
secure until Steps 3 through 7 have been completed.
Option 3: Installing the ABVA Using the Side Mount Kit (Optional Item, Sold Separately)
a. Using the hardware and instruction
sheet provided with the side mount kit,
Accutrol LLC PN T-ABVA-SMKIT, install
the bracket to the side panel of the
device being monitored.
b. Install the plastic electrical box provided
to the side-mount bracket using the
hardware provided.
c. Install the ABVA to the plastic electrical
box, however do not secure until Steps
3 through 7 have been completed.
T-ABVA Manual |Rev.C, JULY 2017
Fully Opened Sash
Figure 1
Velocity
Alarm
Page 5