Vaisala GMW90 User Manual

Page 5

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VAISALA _________________________________________________________________________ 3

Clear User Adjustment of T Measurement .................... 58

Enter Calibration and Adjustment Information .................... 58

Testing Commands ................................................................ 59

Test Analog Outputs ........................................................... 59

Other Commands ................................................................... 60

Enable Advanced Serial Commands .................................. 60

Reset Transmitter ................................................................ 60

Set BACnet Parameters ...................................................... 61

Set CO

2

Indicator LED Parameters ..................................... 62

CHAPTER 5

MAINTENANCE ........................................................................................... 63

Cleaning .................................................................................. 63

Calibration and Adjustment .................................................. 63

Adjustment Methods ........................................................... 63

Notes for CO

2

Adjustment ................................................... 64

Using Calibration Gas vs. Ambient Gas......................... 64

Effect of Temperature on CO

2

Measurement ................ 64

Effect of Pressure on CO

2

Measurement ....................... 65

Notes for T Adjustment ....................................................... 65

Notes for RH Adjustment .................................................... 65

Adjustment Using Display and Trimmers ............................ 66

Adjustment Using a Hand-Held Meter ................................ 67

Adjustment Using a Computer ............................................ 68

Repair Maintenance ............................................................... 69

Replacing the GM10 Module ............................................... 70

Replacing the HTM10 Module ............................................. 71

CHAPTER 6

TROUBLESHOOTING ................................................................................. 72

Problem Situations ................................................................. 72

Error Messages ...................................................................... 73

Viewing Error Messages on Serial Line .............................. 74

View Currently Active Errors .......................................... 74

View Error Table ............................................................ 74

Error State ............................................................................... 75

Reverting to Factory Settings ............................................... 76

Reverting to Factory Settings Using DIP Switches ............. 76

Reverting to Factory Settings Using Service Port ............... 77

Technical Support .................................................................. 78

Product Returns ..................................................................... 78

CHAPTER 7

TECHNICAL DATA ...................................................................................... 79

Specifications ......................................................................... 79

Spare Parts and Accessories ................................................ 81

Dimensions in mm ................................................................. 82

APPENDIX A

BACNET REFERENCE ................................................................................ 83

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