Bacharach | THE MEASURABLE DIFFERENCE | New Kensington, PA, USA | Dublin, Ireland | Toronto, Canada | mybacharach.com
HGM-MZ
Routine Annual Maintenance
And Operating Parameter Verification
These maintenance and service items and procedures below will be
referenced in the tech bulletins and operations manual and used by
customer service and technical support technicians when discussing parts
or service of the refrigerant monitor. Using this information allows the
installation technician to quickly identify the service points and make
maintenance measurements and adjustments to the unit quickly and
accurately.
Yearly maintenance is required to assure peak performance and accuracy
of the HGM-MZ multi-zone monitor. If the monitor is installed in areas of
high levels of dust and particulate it is recommended that semi-annual or
quarterly filter changes be made to prevent system faults due to purge or
zone restrictions.
During these maintenance procedures it is a good time to check the
diagnostic screen “
DIAG
” to verify that the detector voltage and pump
pressures and within optimum parameters. If they are not a voltage
adjustment or scheduled pump replacement could head off a system fault.
To verify monitor operation it is possible to use a bump gas test using
keyboard cleaner (dust destroyer) which is typically R134a purchased at
your local office supply store. If calibration type verification is required we
have “Gas Verification kits available which contain certified PPM levels of
test gas.
Please refer to the Tech Bulletins on the following pages for parts
identification, actual settings and adjustment sequence.
