Bacharach HGM-SZ Specifications download pdf (Page 10)

6 Instruction 3015-4256

Mounting Instructions

The HGMSZ should be installed plumb and level and securely fastened to a rigid mounting surface.

The enclosure utilizes keyhole mounting brackets designed for #12 pan head screws. Locate the four

screws as shown in the diagram below and leave the screw heads protruding approximately 3/16".

Enclosure Mounting Specs

Hold the monitor flat against the mounting surface and allow it to slide down engaging the screw heads in

the keyhole slots of the mounting brackets. Adjust the screws as necessary to hold the monitor securely

against the mounting surface.

Connecting Gas Sample and Exhaust Lines

Overview

A single gas-sample line needs to be run from the HGMSZ to the area of the facility to be monitored. An

optional exhaust line can also be installed to vent refrigerant gas away from the monitor. All tubing

connections are made on the bottom of the enclosure as shown in the illustration below.

HGMSZ Bottom View

GAS SAMPLE

EXHAUST PORT

GAS SAMPLE

INLET PORT

½" / ¾" SERVICE

KNOCKOUT*

½" / ¾" SERVICE

KNOCKOUT*

* There is an additional Service Knockout on top of the case

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Bacharach HGM-SZ Specifications Page 10