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Controllers
Instruction Manual
WARNING
THIS MANUAL MUST BE CAREFULLY READ BY ALL INDIVIDUALS WHO HAVE OR WILL HAVE
THE RESPONSIBILITY FOR INSTALLING, USING OR SERVICING THIS PRODUCT. Like any piece
of complex equipment, this product will perform as designed only if installed, used and serviced in
accordance with the manufacturer's instructions. OTHERWISE, IT COULD FAIL TO PERFORM AS
DESIGNED AND PERSONS WHO RELY ON THIS PRODUCT FOR THEIR SAFETY COULD
SUSTAIN SEVERE PERSONAL INJURY OR DEATH.
The 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. Please
protect yourself and others by following them. We encourage our customers to write or call regarding this
equipment prior to use or for any additional information relative to use or repair.
Instrument Division 1-800-MSA-INST or FAX (412) 776-9783
MSA International (412) 967-3228 or FAX (412) 967-3373
In Canada 1-800-267-0672 or FAX (905) 238-4155
© Mine Safety Appliances Company 2005 - All Rights Reserved
MINE SAFETY APPLIANCES COMPANY
PITTSBURGH, PENNSYLVANIA 15230
REV 1.2
August 2008
10063483
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Related Manuals for MSA ZGARD C
Summary of Contents for MSA ZGARD C
- Page 1 Instrument Division 1-800-MSA-INST or FAX (412) 776-9783 MSA International (412) 967-3228 or FAX (412) 967-3373 In Canada 1-800-267-0672 or FAX (905) 238-4155 © Mine Safety Appliances Company 2005 - All Rights Reserved...
- Page 2 Permanent Instrument Warranty 1. Warranty- Seller warrants that this product SPECIFICALLY DISCLAIMS will be free from mechanical defect or faulty WARRANTY OF MERCHANTABILITY OR OF workmanship for a period of eighteen (18) FITNESS FOR A PARTICULAR PURPOSE. months from date of shipment or one (1) year from installation, whichever...
- Page 3 MSA service personnel, The ZGARD C controllers must not could cause the product to fail to be installed in outdoor areas or in perform as designed, and persons...
- Page 4 General Information Section 2 General Installation Guidelines Section 3 ZGARD C 1-Channel Controller, General Information, Operating Specifications and Features Installation and Set-up Display Mode Relay Function, Setting up the Warning and Alarm Delays Audible Alarm Device Setting, Warning and Alarm Set-Points...
- Page 5 MSA ZGARD S or GS sensor-transmitters are available to detect a wide variety of gases including Carbon Monoxide, Carbon Dioxide, Nitrogen Dioxide and Refrigerants. The table below provides the distinctive features of the ZGARD C Controllers. This is a quick guide for determining the functionally, capability and configuration of each controller.
- Page 6 4. Do not exceed the contact ratings marked on the relays. 5. Make sure that each sensor is given a unique address (Jumper selected), or the ZGARD C controller may not be able to communicate appropriately.
- Page 7 Sensor Input: The ZGARD C 1-Channel controller delay period. During an Alarm event, the associated accepts 1 remote gas sensor. The MSA ZGARD S or Alarm (Red) LED will turn on and the alarm relay will be GS, 4-20mA 2 or 3-wire analogue or RS485 type activated.
- Page 8 ALARM LATCH (IN) Display Mode: The ZGARD C controller can accept a 4-20mA or RS485 input signal depending on the type of remote gas sensor employed. If the incoming signal is a 4-20mA analog type, then the controller must be configured to reflect the actual operating range of the incumbent remote gas sensors.
- Page 9 Section 3 ZGARD C 1-Channel Controller Installation and Setup PARAMETER SETUP RELAY NORMALLY EN/DE (IN/ OUT) DISPLAY RANGE B/A (IN/ OUT) DELAY 5MIN. / POT (IN/ OUT) HORN SOLID / VAR (IN / OUT) WARNING POT / 35% (IN / OUT)
- Page 10 There are two audible alarm modes. The first is a Solid-ON mode that sounds the audible alarm continuously while the ZGARD C controller is in an alarm state. The second is a Variable-ON mode that sounds the audible alarm in an eight second interval pulsed fashion. The time between pulses is fixed, but the on-time of the audible alarm is determined by the amount that the alarming sensor is exceeding the alarm set point.
- Page 11 Section 3 ZGARD C 1-Channel Controller Installation and Setup PARAMETER SETUP RELAY NORMALLY EN/DE (IN/ OUT) DISPLAY RANGE B/A (IN/ OUT) DELAY 5MIN. / POT (IN/ OUT) HORN SOLID / VAR (IN / OUT) WARNING POT / 35% (IN / OUT)
- Page 12 Sensor Inputs: The ZGARD C 4-Channel controller feature is selected, then this action takes place after a 5 accepts up to 4 remote gas sensors. The MSA ZGARD minute delay period. S or GS, 4-20mA 2 or 3-wire analogue or RS485 type sensors.
- Page 13 ALARM LATCH (IN) Display Mode: The ZGARD C 4-Channel controller can accept up to 4, 4-20mA or RS485 input signals depending on the type of remote gas sensors employed. If the incoming signals are 4-20mA analog type, then the controller must be configured to reflect the actual operating range of the incumbent remote gas sensors.
- Page 14 Section 4 ZGARD C 4-Channel Controller Installation and Setup PARAMETER SETUP Number of Active Points 1 + (0 -3 ) RELAY NORMALLY EN/DE (IN/ OUT) DISPLAY RANGE B/A (IN/ OUT) DELAY 5MIN. / POT (IN/ OUT) HORN SOLID / VAR (IN / OUT)
- Page 15 There are two audible alarm modes. The first is a Solid-ON mode that sounds the audible alarm continuously while the ZGARD C controller is in an alarm state. The second is a Variable-ON mode that sounds the audible alarm in an eight second interval pulsed fashion. The time between pulses is fixed, but the on-time of the audible alarm is determined by the amount that the alarming sensor is exceeding the alarm set point.
- Page 16 Section 4 ZGARD C 4-Channel Controller Installation and Setup PARAMETER SETUP Number of Active Points 1 + (0 -3 ) RELAY NORMALLY EN/DE (IN/ OUT) DISPLAY RANGE B/A (IN/ OUT) DELAY 5MIN. / POT (IN/ OUT) HORN SOLID / VAR (IN / OUT)
- Page 17 Depending on the controller’s warning, alarm and delay settings, the display status and the relay action of the controller may vary. Refer to the installation sections of the associated ZGARD C Controller. 8. Confirm the functionality of the controller and that is operating according to the designed or pre-set configuration settings.
- Page 18 Controllers. Failure to do so may seriously impair instrument performance. Repair or alteration of the ZGARD C controllers, beyond the scope of these maintenance instructions or by anyone other than authorized MSA service personnel, could cause the product to fail to perform as designed, and persons who rely on this product for their safety could sustain serious personal injury or death.
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