CHAPTER 1_______________________________________________________ GENERAL INFORMATION
VAISALA __________________________________________________________________________ 1
Table of contents
CHAPTER 1
GENERAL INFORMATION ............................................................................2
Safety .........................................................................................2
Warranty ....................................................................................2
CHAPTER 2
PRODUCT DESCRIPTION.............................................................................3
Parts ...........................................................................................3
Led light indicators and optional display...............................5
CHAPTER 3
MOUNTING.....................................................................................................6
Wall mounting ...........................................................................6
Duct or channel mounting .......................................................7
CHAPTER 4
ELECTRICAL CONNECTIONS......................................................................8
Power supply requirements ....................................................9
Connection to a 24 VAC supply ..............................................9
Relays ......................................................................................10
CHAPTER 5
MAINTENANCE............................................................................................11
Replacing the probe ...............................................................11
Transmitter with integrated probe (wall model) ..............11
Transmitter with remote probe .......................................11
Calibration ...............................................................................12
Comparison with the calibrated probe............................12
On-site checking and adjusting by using a reference gas
and GM70 hand-held meter ...........................................12
Calibrator GMK220.........................................................12
Error messages.......................................................................13
Transmitters with a display.............................................13
Transmitters without a display........................................14
CHAPTER 6
SERIAL COMMANDS ..................................................................................15
Setting relay trigger points ....................................................16
Pressure compensation.........................................................16
Temperature setting ...............................................................17
CHAPTER 7
TECHNICAL DATA.......................................................................................18
Technical specifications ........................................................18
Operating conditions ......................................................18
Mechanics ......................................................................19
Electromagnetic compatibility.........................................19
Accessories ....................................................................20
Dimensions in mm (inches)...................................................21
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