Page 1: ...warranties made by Mine Safety Appliances Company with respect to these Products are voided if the products are not installed used and serviced in accordance with the instructions in this user guide...
Page 2: ...ufacturers of such components THIS WARRANTY IS IN LIEU OF ALL OTHER WARRANTIES EXPRESSED IMPLIED OR STATUTORY AND IS STRICTLY LIMITED TO THE TERMS HEREOF SELLER SPECIFICALLY DISCLAIMS ANY WARRANTY OF...
Page 3: ...luded as part of the installation and as a routine inspection of the system 5 Use only genuine MSA replacement parts when performing any maintenance procedures provided in this manual Failure to do so...
Page 4: ...g Specifications and Features 4 0 Installation and Set up Display Mode Number of Remote Sensor Inputs 4 1 Relay Function Setting up the Warning and Alarm Delays 4 2 Audible Alarm Device Setting Warnin...
Page 5: ...ZGARD C Controllers This is a quick guide for determining the functionally capability and configuration of each controller ZGARD C CONTROLLER MODEL 1 CHANNEL 4 CHANNEL Number of Remote Sensors 1 4 Po...
Page 6: ...controller according to the required application Also refer to the ZGARD C controllers Installation Outline drawings located in the back of this manual which provides important information regarding...
Page 7: ...lue between 0 and 100 Full Scale FS Delay Function There are two user jumper selected methods for setting the ZGARD C 1 Channel controller warning and alarm delays The first uses pre programmed fixed...
Page 8: ...ct the actual operating range of the incumbent remote gas sensors There are two display mode options A and B and is selected by placing Jumper H2 in the required position If jumper H1 4 is OUT Range A...
Page 9: ...allows adjusting of the delays from 0 to 10 minutes via two potentiometers labeled Warning Delay Alarm Delay To select the adjustable delay jumper H1 5 is NOT inserted Removing the jumper activates t...
Page 10: ...button will silence the audible alarm but will not have any effect on the alarm LED on the front panel or the alarm relay Warning and Alarm Set Points There are two methods for setting the warning an...
Page 11: ...SPAN potentiometer can be used to perform these To adjust the output to 4 20mA for 0 100 input factory setting when using a 4 20mA type sensor apply a 0 4mA signal to the input and adjust the ZERO pot...
Page 12: ...adjustable on the controller and can be set to any value between 0 and 100 Full Scale FS Delay Function There are two user jumper selected methods for setting the ZGARD C 4 Channel controller warning...
Page 13: ...a special Display Range that displays the first two channels 1 2 as 0 10 0ppm and the second two channels 3 4 as 0 100ppm This is useful for Carbon Monoxide CO Nitrogen Dioxide NO2 applications Remote...
Page 14: ...of the delays from 0 to 10 minutes via two potentiometers labeled Warning Delay Alarm Delay To select the adjustable delay jumper H1 5 is NOT inserted Removing the jumper activates the associated pot...
Page 15: ...nce the audible alarm but will not have any effect on the alarm LED on the front panel or the alarm relay Warning and Alarm Set Points There are two methods for setting the warning and alarm set point...
Page 16: ...can be used to perform these To adjust the output to 4 20mA for 0 100 input factory setting when using a 4 20mA type sensor apply a 0 4mA signal to one of the input and adjust the ZERO potentiometer...
Page 17: ...RESET button to silence 7 Allow the associated remote gas sensors to stabilize Refer to the appropriate gas sensor manual for further details Depending on the controller s warning alarm and delay sett...
Page 18: ...nuine MSA replacement parts when performing any maintenance on the ZGARD C Controllers Failure to do so may seriously impair instrument performance Repair or alteration of the ZGARD C controllers beyo...
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