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Critical Environment Technologies
Canada Inc.
www.critical-environment.com
Installation Manual for
AST
-
IS5
AST
-
IS5
Analog transmitters with Infrared CO2
& Temperature sensors with LCD display & relay
MANUAL REVISION-C, AUGUST 18, 2010
#145, 7391 VANTAGE WAY
DELTA, BC CANADA V4G 1M3
PH: 604-940-8741 TOLL FREE: 877-940-8741
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Summary of Contents for Critical Environment Technologies AST-IS5
- Page 1 Critical Environment Technologies Canada Inc. www.critical-environment.com Installation Manual for Analog transmitters with Infrared CO2 & Temperature sensors with LCD display & relay MANUAL REVISION-C, AUGUST 18, 2010 #145, 7391 VANTAGE WAY DELTA, BC CANADA V4G 1M3 PH: 604-940-8741 TOLL FREE: 877-940-8741...
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Page 3: Self-Diagnostics
LCD DIGITAL DISPLAY This AST-IS series are reliable, long life analog transmitters. Life expectancy of the infrared sensor is 15-years. The AST-IS5 is an advanced transmitter that has been designed for use in the “climate zone”. It provides an output for CO2 gas and an output for temperature. The local LCD display provides real time values for the user. -
Page 4: Functional Description
FUNCTIONAL DESCRIPTION OUT-1 = Measuring signal of CO2 concentration lowest value - highest value. OUT-2 = Measuring signal of temperature lowest value - highest value. OUT-3 = ON / OFF signal of demand of air quality The opening of the relay is controlled by the hysteresis of the relay. CO2 concentration OUT-2 100% Measuring... -
Page 5: Output Configurations
DEFAULT OUTPUT CONFIGURATION FOR AST-IS5 TERMINAL DEFAULT DEFAULT OUTPUTS OF OUTPUT OUTPUT OUTPUT THIS SENSOR RANGE OF RANGE THIS SENSOR OUT-1 4-20 mA 0-2000 ppm CO2 OUT-2 0-10 VDC 0-50 deg. C. RELAY Closed >1000 ppm CO2 Open <900 ppm CO2... -
Page 6: Installing The Transmitter
INSTALLING THE TRANSMITTER DRAWING #1 ITEM LOCATORS 1 top portion 2 lid 3 front portion 4 wall plate 5 screw 6 label with settings inside the top portion... - Page 7 INSTALLING THE TRANSMITTER, CONT’D….. DRAWING #2 DRAWING #3 PULL THE TOP PORTION REMOVE SECURING SCREW UPWARD TO REMOVE IT FROM THE TOP PORTION, ITEM-5 IN ITEM LOCATOR ON PREVIOUS PAGE DRAWING #4 FOLD THE FRONT PORTION (ITEM-3, DRAWING-1) WITH THE LID (ITEM-2, D R T A W I N G - 1 ) , F O R W A R D A N D...
- Page 8 INSTALLING THE TRANSMITTER, CONT’D….. DRAWING #5 SECURE WALL PLATE WITH SCREWS. MAXIMUM SCREW HEAD DIAM- TER SHOULD BE 7.5 mm. MAXIMUM SCREW HEAD HEIGHT SHOULD BE 2.5 DRAWING #6 A - PUT THE TOP TABS OF THE FRONT PORTION INTO THE TOP HOLES OF THE WALL PLATE.
- Page 9 PROTECT IT FROM STATIC DISCHARGE DAMAGE. NORMALLY REMOVING THE PCB IS NOT REQUIRED. TERMINALS & JUMPERS FOR AST-IS5: THE TERMINALS & JUMPERS ARE LOCATED UNDER THE TOP PORTION. THE DARKER AREAS ARE INDICATING THIS TRANSMITTER HAS BEEN SET FOR VOLTAGE OUTPUT.
- Page 10 WIRING TERMINALS & SIGNAL OUTPUT JUMPER SETTINGS NOTE: STANDARD RANGE IS 0-2000 PPM PHOTO #1...
- Page 11 PLEASE NOTE! The AST-IS5 signal ground is not galvanically separated from the AST-IS6 power supply! PLEASE NOTE! The same ground reference has to be used for the AST-IS5 unit and for the control system! Note 1: The ground terminal is used as negative power supply DC input or AC phase ground G0 (halfwave rectifier).
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