Siemens 546-00303A User Manual

Installation Instructions
Document No. 546-00310
November 15, 2006
Fume Hood Monitor
Page 1 of 6
Product Description
The Fume Hood Monitor (FHM) (Figure 1) provides
visual and audible alarms to alert a fume hood user
of airflow conditions. The mounting plate is designed
for fume hoods with or without existing cutouts. This
kit contains:
• Fume Hood Monitor with mounting plate
• Three removable wire connectors
• Four sheet metal screws
• Two machine screws
• 2 ft. (0.6 m) air sensor hose
• Plastic sidewall adapter and lock ring
Product Numbers
546-00303A Fume Hood Monitor
546-00303B Fume Hood Monitor mounting plate
Warning/Caution Notations
CAUTION:
Equipment damage or loss of
data may occur if the user
does not follow procedure as
specified.
Required Tools
For a fume hood with an existing cutout:
• Medium-duty electric drill
• 1/2-inch. (13.0 mm) drill bit
• Small flat-blade screwdriver
• Small Philips screwdriver
• Wire strippers
For a fume hood without an existing cutout:
• Medium-duty electric drill
• 1/8-inch (3.0 mm) drill bit
• 1/2-inch (13.0 mm) drill bit
• Metal-cutting saw or 3/ 4 in. and 1 in. drill bits
or hole saws
• Small flat-blade screwdriver
• Small Philips screwdriver
• Wire strippers
Expected Installation Time
27 minutes
Prerequisites
• Power cable in place
If using a field panel:
• Floor Level Network (FLN) cable from the
field panel to the FHM in place
If using an external alarm or auxiliary DI
connection:
• External alarm or auxiliary DI cable from
source to FHM in place
Figure 1. Fume Hood Monitor.
Instructions
NOTE: Mount the FHM so that the fume hood
operator can easily read its display and
can easily reach its buttons. This height is
approximately 4-1/2 ft. to 5 ft.
(1.4 to 1.5 m) from the floor.
1. Choose the mounting location for the FHM. The
FHM should be mounted directly on the fume
hood and can be mounted over a pre-existing
cutout on the fume hood. See Figure 2 for
installation clearance requirements.

Siemens 546-00303A Specifications

General

Brand	Siemens
Model	546-00303A
Category	Measuring Instruments
Language	English

Summary

Fume Hood Monitor Overview

Product Description and Kit Contents

Details the Fume Hood Monitor and its included components.

Product Numbers

Lists the specific product identification numbers for the FHM.

Warning and Caution Notations

Highlights potential equipment damage or data loss if procedures are not followed.

Required Tools for Installation

Lists necessary tools for installing the Fume Hood Monitor.

Prerequisites and Installation Time

Covers expected installation duration and necessary pre-installation conditions.

Mounting Plate Installation

Installation with Existing Cutout

Steps for attaching the mounting plate to a fume hood with a pre-existing cutout.

Earth Ground Confirmation

Ensures proper earth ground connection for safety and functionality.

Installation without Existing Cutout (Drill Method)

Instructions for drilling holes to mount the plate when no cutout exists.

Installation without Existing Cutout (Saw Method)

Instructions for using a metal-cutting saw to create a mounting hole.

Sidewall Hose Mounting

Details on drilling the hole for the air sensor hose on the fume hood sidewall.

Hose and Wire Connections

Installing Sidewall Adapter and Lock Ring

Guides the installation of the plastic adapter and lock ring for the air sensor hose.

Connecting Air Sensor Hose

Instructions on connecting the air sensor hose to the FHM and sidewall adapter.

Wiring Receptacles and Connections

Details on connecting power, FLN, and alarm/DI wires to the FHM.