Bacharach HGM-SZ Specifications download pdf (Page 21)

Instruction 3015-4256 17

AUDALRM – Allows the monitor’s internal audible alarm to be

associated with any function of the monitoring system. Factory default is

OFF. Use the Keypad to select the desired audible alarm function, and

then press ENTER to save that value and return to the previous screen.

Audible Alarm Settings: OFF, ANY ALARM, SYSTEM FAULT, LEAK ALARM,

SPILL ALARM, EVAC ALARM, MONITOR STOPPED

NOTE: MONITOR STOPPED indicates there is a critical system fault, and the

monitor is no longer functioning correctly.

CLOCK – Sets the monitor’s date and time. Use the Keypad to enter

the correct date and time, and then press ENTER to save those values

and return to the previous screen. Note that time is displayed in a

24 hour format, while the date is displayed as mm/dd/yy.

SILENCE – Used to enter a length of time for which the internal

audible alarm and the external alarm are turned OFF when the front

panel SILENCE button is pressed. The factory default is 300 seconds

(5 minutes). If the cause of the alarm/fault has not been cleared at the

end of this time period, the internal audible alarm and the external alarm

device are reactivated. Use the Keypad to enter the desired time period,

and then press ENTER to save that value and return to the previous

screen.

SQUELCH – Sets a value of between 0.0 and 99.9 ppm that prevents

the display of measurements below that value. Factory default is 0 ppm.

For example, if the squelch setting is set to 50 ppm, then the monitor will

not display measurements that are below that value. Use the Keypad to

enter the desired value, and then press ENTER to save that value and

return to the previous screen.

ZONETEMP – Used to enter the temperature of the area being

monitored in °C, thus giving a more accurate ppm reading. The factory

default is 25°C. Use the Keypad to enter the desired temperature, and

then press ENTER to save that value and return to the previous screen.

CAL – Used to change a calibration factor for a specific gas. This

function is to be used ONLY with instructions from a Bacharach Service

Center. Factory default is 1.000.

P-CHK – This Pressure Check function displays the current manifold

pressure and the stored ambient pressure in psia, along with the difference

between these two pressures and the current fault code. Refer to

Working

with the P-CHK Function (Page

22).

CUST K1, K2 & K3 – Used to enter custom calibration data for a blend

of refrigerant gases that is not part of the monitor’s standard 24 refrigerant

gas library. Before using this function, the operator must contact the

factory and provide information about the blend of refrigerant gases to be

monitored. Custom calibration data will then be supplied to enable the

HGMSZ to accurately monitor that particular gas blend. To enter this data,

refer to Section

Entering Custom Refrigerant Calibration Values (Page 20).

UDIBLE ALARM IS

OFF

SET DATE & TIME

11/10/03 15:30

USTOM CAL K^1

xxxx.xxx

USTOM CAL K^2

yyyy

yyy

USTOM CAL K^3

zzzz.zzz

14.72 * AMB14.81

0.09dif <0000>

TEMP AT ZONE =

25 de

134A CALFACTOR

1.000

SILENCE TIMEOUT

0300 sec

SQUELCH BELOW

50.0

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Bacharach HGM-SZ Specifications Page 21

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