Honeywell IAQPoint2 Technical Manual

Indoor air quality monitor

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IAQPoint2

Indoor Air Quality Monitor

Technical Manual

Table of Contents

Summary of Contents for Honeywell IAQPoint2

Page 1 IAQPoint2 Indoor Air Quality Monitor Technical Manual...
Page 3: Table Of Contents
IAQPoint2™ Table of Contents Introduction �� 3 Air Quality �� 4 Danger/Warning/Caution/Notes �� 5 Contact information �� 6 Americas �� 6 Europe, Middle East, and Africa �� 6 Asia Pacific �� 6 Technical Services �� 6 Glossary �� 7 Configurations �� 8 Dimensions ��...
Page 4 IAQPoint2™...
Page 5: Introduction
IAQPoint2™ Introduction The IAQPoint2 indoor air quality monitor features a simple-to-use, customizable touchscreen display along with triple monitoring of indoor air quality parameters (carbon dioxide or volatile organic compounds, plus temperature and humidity) and facilitates demand-controlled ventilation� The IAQPoint2 monitor can increase energy efficiency in commercial buildings by triggering fan activation as a standalone solution or via a building automation system�...
Page 6: Air Quality
IAQPoint2™ Air Quality Traditional carbon dioxide sensors do not respond to changes in air quality caused by odors, cigarette smoke, and other volatile organic compounds� This graph illustrations the relationship between CO levels and concentrations of volatile organic compounds in a typical meeting room�...
Page 7: Danger/Warning/Caution/Notes
IAQPoint2™ Danger/Warning/Caution/Notes DANGER Danger messages address situations that could result in loss of life� WARNING Warning messages address situations that could result in injury or critical damage to the monitor� CAUTION Caution messages address situaltions that could result in damage to the monitor�...
Page 8: Contact Information
CH-8610 Uster Switzerland Tel: +41 (0)1 943 4300 Fax: +41 (0)1 943 4398 gasdetection@honeywell.com Asia Pacific Honeywell Analytics Asia Pacific #508, Kolon Science Valley (1) 187-10 Guro-Dong, Guro-Gu Seoul, 152-729 Korea Tel: +82 (0)2 6909 0307 Fax: +82 (0)2 2025 0328 analytics�ap@honeywell�com...
Page 9: Glossary
IAQPoint2™ Glossary Term Description Automatic Baseline Correction ASHRAE American Society of Heating, Refrigeration, and Air Conditioning Engineers aldehyde a type of organic compound American Wire Gauge; smaller numbers equate to larger wire diameters BACnet Building Automation and Control Networking Protocol...
Page 10: Configurations
IAQPoint2™ Configurations The base configuration of the IAQPoint2 monitor: • CO or VOC sensor • analog output (4-20 mA or 2-10 V) • wall mount • no display Figure 4. IAQPoint2 base configuration The monitor is also available with an LCD touchscreen display with either analog output or digital output�...
Page 11 IAQPoint2™ recessed calibration pushbutton and con rmation LED non-display bezel mini-USB port case hex screws (2) touchscreen display housing LCD bezel inlet vents gas calibration port Figure 6. Parts of the IAQPoint2 wall-mount monitors...
Page 12 IAQPoint2™ case hex screws (2) mounting plate touchscreen display recessed calibration pushbutton and con rmation LED sampling tube mini-USB port housing terminal inlet vents block cover non-display bezel gas calibration port Figure 7. Parts of the IAQPoint2 duct-mount monitors...
Page 13: Dimensions
Figure 8. Monitors’ dimensions Wiring and installation IAQPoint2 models are available for wall-mounting or duct-mounting� Wall-mount units can be installed on standard single-gang junction boxes� Locate the monitor in an area easily accessible by a technician� Avoid locations in which the monitor will be subjected to vibration or rapid temperature fluctuations�...
Page 14 The IAQPoint2 Air Quality Monitor is not designed for industrial applications or for use in hazardous locations� Digital models of the IAQPoint2 monitor should be wired as indicated on the label� Note that the meaning of the A and B symbols for EIA/RS-485 wiring varies among vendors�...
Page 15 IAQPoint2™ IAQPoint2 Duct Mount Analog 250 VAC, 30 VDC max Energized when IAQ poor load Energized when IAQ good load 14.5 External Controller Ch. 3 Ch. 2 Ch. 1 Common Internal 24 VAC/DC loads Note: = 0 – 500Ω in mA mode Load Figure 9.
Page 16 IAQPoint2™ IAQPoint2 Wall Mount Analog Energized when IAQ good load Energized when IAQ poor load 250 VAC, 30 VDC max 14.5 External Controller Ch. 3 Ch. 2 Ch. 1 Common Internal 24 VAC/DC loads Note: = 0 – 500Ω in mA mode Load Figure 10.
Page 17 IAQPoint2™ IAQPoint2 Wall Mount RS485 Energized when IAQ good load Energized when IAQ poor load 250 VAC, 30 VDC max Shield Terminator Isolated Inverting, BACnet 120Ω RS485 EIA/RS-485 A, Modbus D0 transceiver BACnet or Non-inverting, BACnet ADM2587E Modbus BAS EIA/RS-485 B, Modbus D1...
Page 18 IAQPoint2™ IAQPoint2 Wall Mount LonWorks Energized when IAQ good load Energized when IAQ poor load 250 VAC, 30 VDC max Do not connect FT-X2 Net-B Neuron LonWorks Net-A TP/FT-10 Internal loads 24 VAC/DC Figure 14. Wiring schematics for wall-mount LonWorks units...
Page 19: Wall-Mounting Procedure
IAQPoint2™ Wall-mounting procedure The monitor can be mounted onto a wall by following this procedure� Monitors with the optional temperature sensor must be mounted in a location with relatively still air� 1� Center the mounting plate over the wires from the wall with the mounting holes�...
Page 20 IAQPoint2™ NOTE The image does not auto-rotate� Mount the monitor so that the image is displayed right-side up� with relay backplate back of the bezel relay terminal block analog configuration switches left: gas concentration middle: temp or gas right: rH...
Page 21 IAQPoint2™ with relay backplate bezel Network termination 120 Ω resistor switch must be off (left) unless at the end of network. relay terminal block without relay backplate bezel Network termination 120 Ω resistor switch must be off (left) unless at the end of network.
Page 22: Duct-Mounting Procedure
Do not mount the monitor on the top or bottom of a duct� (The sampling tube is designed for horizontal installation�) Installation kit: • IAQPoint2 monitor • backplate • Two metal screws •...
Page 23 IAQPoint2™ connector collar gasket intake/ gasket exhaust sampling tube O-ring mounting plate clamp mounting plate connector orientations cross-sections in cross-sections in horizontal ducts vertical ducts air flow air flow air flow air flow Figure 19. Sampling tube and mounting plate 8�...
Page 24 IAQPoint2™ NOTE For accurate measurements, there must be air movement in the duct� with relay without relay Network termination resistor Analog configuration switches switch must be off (down) Relay (to the right for 2-10 v, to prevent crosstalk between terminal...
Page 25 IAQPoint2™ with relay without relay Network termination Network termination Relay resistor switch must resistor switch must terminal be off (down) unless be off (down) unless block at the end of network at the end of network Load resistors are not used in Load resistors are not used in digital models.
Page 26: Operation
VOC Configurations The VOC sensor used with the IAQPoint2 monitor requires no calibration but allow it fifteen minutes to warm up each time power is applied� The sensor will use the air in which it is powered up as the baseline� The VOC sensor will adapt to the...
Page 27: Warm-Up
The user will be presented with one of two interfaces, depending on the password that is entered� Figure 25 in the Menus section is a map of all of the IAQPoint2 monitor’s interface options� Exact options will vary depending on the configuration of the unit�...
Page 28: Output Levels
IAQPoint2™ Output levels Models without the optional temperature/humidity sensor will report gas concentrations on channel 2 identically to channel 1� Analog Channel 1 Output Relativ Output Output Output Output Tempe Tempe Conce Curren Curren Voltag Voltag Humidi rature rature ntratio...
Page 29 IAQPoint2™ Analog Channel 3 Output Sensor Normal Sensor Normal Relative Humidity ( % ) Relative Humidity ( % ) Sensor Absent or In Fault Figure 24. Relative humidity current and voltage output levels...
Page 30: Configuration Of Display Units
32 page 33 page 31 page 43 page 43 page 34 page 40 page 37 page 38 page 38 page 41 page 42 page 42 page 40 √ √ page 39 Figure 25. The IAQPoint2 Air Quality Monitor menu map...
Page 31 IAQPoint2™ The contents of some menus vary depending on the configuration of the monitor and on which password was entered� Those variations are noted in the appropriate sections� Menu naming conventions Menus are navigated by pressing the appropriate buttons� Active buttons are indicated by yellow borders�...
Page 32 IAQPoint2™ Navigation Most screens include three navigation buttons at the bottom of the display: Press the Accept button [ ] to accept displayed entries or values and return to the ü previous menu� Press the Delete button [ ß ] to delete values (one character at a time)�...
Page 33 This screen shows the factory settings of the IAQPoint2 monitor (serial numbers, software version number, and time stamp)� Below the time stamp is an indication of the IAQPoint2 hardware output type� This can be either “Analog” or “RS-485” for the BACnet/Modbus version� The bottom line shows whether the optional temperature and relative humidity sensor is fitted�...
Page 34 Review\Status The Status screen shows temporary information about the IAQPoint2 monitor� The first line shows how many seconds the monitor has been running since the last power interruption� The second shows whether the optional relay has been detected�...
Page 35 IAQPoint2™ Configure\Configure Setpoints submenu SetPoints CO2 850 ppm Hyst 50 ppm Temp 68 F rH 50 % Max Temp 86 F Min Temp 50 F √ Setpoint submenus for up to six parameters can be selected from this menu� Configure\Configure Setpoints\Set Gas Setpoint The setpoint for CO or VOCs is changed at this screen�...
Page 36 IAQPoint2™ Configure\Configure Setpoints\rH Setpoint The rH setpoint is the value at which the monitor will cause the building’s HVAC system to respond to changes in humidity� Relative humidity values from 1% to 99% can be selected� The default setting is 50%�...
Page 37 IAQPoint2™ Configure\Configure Outputs\Set mA Ch2 Function The IAQPoint monitor has three channels� Channels 1 and 2 report gas values� Channel 2 can be configured to measure temperature (voltage) instead� Channel 3 measures humidity when the optional rH sensor is installed� Report Temperature is the default when the monitor is configured with a temperature/humidity sensor, otherwise Report Gas Conc�...
Page 38 ‘Occ’ softkey Timer “Occupied” icon Figure 27. IAQPoint2 relay flow Configure\Configure Outputs\ Set Relay Source The functions of the relay are adjusted at this screen� The monitor normally responds to gas concentrations (i�e�, the air quality level)� The Set Relay Source feature allows a relay to respond to the occupied timer or, for digital versions, to the network (fieldbus, for example, in BACnet systems)�...
Page 39 IAQPoint2™ Configure\Configure Display Configure Display Main Disp. Dataset Idle Behavior: Dim Temp. Units: F Easy Temp Adj: Off Temp Units is available only for monitors with temperature/humidity sensors� Easy Temp Adj is available for digital monitors and those fitted with temperature/ humidity sensors�...
Page 40 The monitor can be configured for either BACnet or Modbus from the Set Protocol screen� The default is Modbus� If the monitor is to communicate with the Honeywell Analytics 301C controller, this screen should be configured for Modbus, 9600 baud, and no parity� The address must be unique�...
Page 41 IAQPoint2™ Configure\Configure Fieldbus\Set Address If the BACnet protocol is selected, this screen facilitates setting the BACnet MAC address from 1 to 127� If the Modbus protocol is selected, it facilitates setting the Modbus ID from 1 to 247� The address must be unique within the segment�...
Page 42 IAQPoint2™ Configure\Configure Passwords & Reset\Reboot This will force the monitor to reboot� NOTE There is no confirmation screen after pressing the [Reboot] button� Calibrate menu Calibrate Calibrate Gas Cal Temperature Calibrate RH Calibration procedures are initiated at the Calibrate menu� Refer to local regulations for calibration requirements�...
Page 43 IAQPoint2™ The gas sensor must be in the “normal” state for a calibration to be performed� The second line shows the current CO concentration reading from the sensor� The third line is a button that facilitates setting the target or actual concentration� Leave this at zero if pure nitrogen is being used for calibration�...
Page 44 IAQPoint2™ Calibrate\Cal rH Calibrate RH Current 44 % Target 44 % Calibrate Offset Revert to Factory Cal This screen is available only on models with the optional temperature humidity sensor and only after the level-2 password has been entered� The monitor is precalibrated so calibration is not necessary�...
Page 45 None of the monitor’s configured values is affected by changes in the Simulate menu� Language Language / Langage English Français The IAQPoint2 monitor can be configured for English or French (Français)� The default language selection is English�...
Page 46: Calibration
If ABC is not desired, it can be disabled in the Configure\ Configure Outputs\Auto Baseline menu� 4� Connect a cylinder of a test gas of known concentration (e�g� Honeywell part M-501010, 1,000 ppm CO ) to a 0�5 lpm regulator (e�g� Honeywell part M-502585)�...
Page 47: Voc Calibration
IAQPoint2� Temperature Calibration The optional IAQPoint2 temperature sensor is pre-calibrated and usually does not shift with age� Thus, periodic temperature calibration is usually not necessary� With wall-mount models, accurate temperature measurement requires at least 20 minutes of uninterrupted power, vertical mounting and still air�...
Page 48: Rh Calibration
IAQPoint2™ rH Calibration The optional IAQPoint2 relative humidity sensor is pre-calibrated� However, exposure to certain chemicals may cause the reading to shift over time� The humidity reading can be recalibrated using the following procedure: 1� Determine the true rH level by use of a reference hygrometer�...
Page 49: Troubleshooting
IAQPoint2™ Troubleshooting Faults and warning messages Faults are handled in different ways, depending on the configuration of the unit� 4-20 mA loops will drop below 2�0 mA� The relay will de-energize� IAQPoint2 Troubleshooting Guide Affected Version Models Diagnostic Symptom Cause...
Page 50 IAQPoint2™ IAQPoint2 Troubleshooting Guide Affected Version Models Diagnostic Symptom Cause Solution Tests The monitor is If voltage output One or more Confirm that configured for mA is desired slide • • • • analog outputs switches for volt/ output; internal...
Page 51 IAQPoint2™ IAQPoint2 Troubleshooting Guide Affected Version Models Diagnostic Symptom Cause Solution Tests The monitor has Touch display gone into sleep • • • • • to wake up or mode because Display is black. Touch display. reconfigure for the display was...
Page 52 IAQPoint2™ IAQPoint2 Troubleshooting Guide Affected Version Models Diagnostic Symptom Cause Solution Tests Temperature set- Enter level 2 pass- point adjustment The monitor has word and navigate • • • • • Check configura- range is restricted been configured to Configure \...
Page 53 IAQPoint2™ IAQPoint2 Troubleshooting Guide Affected Version Models Diagnostic Symptom Cause Solution Tests ABC feature is disabled unin- Turn on ABC. (Al- tentionally, thus low 3 weeks for preventing au- automatic correc- tomatic baseline tions.) correction. If ABC is disabled intentionally,...
Page 54 IAQPoint2™ IAQPoint2 Troubleshooting Guide Affected Version Models Diagnostic Symptom Cause Solution Tests Confirm that a regulator for 0.5 l/ min flow is used such as Honey- Confirm that the well part number monitor's reported Calibration gas M-502585. concentration was not delivered...
Page 55 IAQPoint2™ IAQPoint2 Troubleshooting Guide Affected Version Models Diagnostic Symptom Cause Solution Tests Review wiring and Network polarity installation instruc- is incorrect. tions.. Configure for Mod- Protocol is wrong. bus or BACnet. Configure for same Baud rate is speed as other wrong.
Page 56 IAQPoint2™ IAQPoint2 Troubleshooting Guide Affected Version Models Diagnostic Symptom Cause Solution Tests The wiring is not compliant with the rules for TP/FT- • The monitor does 10 networks as Rewire for compli- not communicate described by the ance. Echelon Series 5000 Chip Data Book chapter 5.
Page 57: Maintenance
IAQPoint2™ Maintenance The built-in ABC algorithm makes maintenance unnecessary in normal environments� Cleaning Clean the case and the touchscreen by wiping gently with a soft cloth dampened only with water� Do not allow water to enter the monitor’s case� Do not spray any liquids on the touchscreen or the case�...
Page 58: Specifications
IAQPoint2™ Specifications Description Value Non-dispersive infrared (NDIR) with automatic background calibration Detection method (ABC) algorithm Monitor with Ranges 0-2,000 ppm, 0-5,000 ppm sensor 1, 2, 3 Accuracy ±30 ppm ±3% of reading at 25°C from 0 to 2,000 ppm Response Time <60 seconds...
Page 59: Modbus
Modbus Data Flow The IAQPoint2 can be configured to meet a variety of needs� There are up to three sensors, each with a setpoint and fault indication� With the gas sensor, a comparison is made between the concentration and setpoint to compute a bit� A timer responds to an occupied button� There is a relay which can be made to respond to three possible inputs: the gas level, the fieldbus, or the occupied timer�...
Page 60 This bit is true if the humidity sensor is fitted. fitted Reserved for future enhancements� Reserved for future enhancements� Occupied Timer This bit is true if the occupied timer inside the IAQPoint2 is running� Running Relay Fitted This is true if the backplate contains the optional relay� Relay Energized This bit is true if the relay is energized�...
Page 61: Bacnet
BACnet� Each object has several properties which can be read and sometimes written� All of the objects and properties of the IAQPoint2 BACnet device are listed in the table at the end of this section� A BACnet protocol implementation conformance statement (PICS) is included in this section, as well�...
Page 62 IAQPoint2™ BACnet Standardized Device Profile (Annex L): ¨ BACnet Operator Workstation (B-OWS) ¨ BACnet Advanced Operator Workstation (B-AWS) ¨ BACnet Operator Display (B-OD) ¨ BACnet Building Controller (B-BC) ¨ BACnet Advanced Application Controller (B-AAC) ¨ BACnet Application Specific Controller (B-ASC) BACnet Smart Sensor (B-SS) ¨...
Page 63 IAQPoint2™ Optional Writable Dynamically Dynamically Range Object Properties Beyond Creatable Deletable Restrictions Supported Standard device 1 - 50 characters, default "CO2 or description description VOC Sensor" location location 1 - 22 characters, default "location" max_master max_master 1 to 127, default 127...
Page 64 IAQPoint2™ Optional Writable Dynamically Dynamically Range Object Properties Beyond Creatable Deletable Restrictions Supported Standard analog_val- ue 5 reliability present_value 0 to 100% 1 - 22 characters, default "RH_SPT_ object_name AV" binary_in- put 6 reliability present_value out_of_ser- vice 1 - 22 characters, default "IAQ- object_name GOOD_BI"...
Page 65 IAQPoint2™ Device Address Binding: Is static device binding supported? (This is currently necessary for two-way communication with MS/TP slaves and certain other devices�) ¨ Yes Networking Options: ¨ Router, Clause 6 - List all routing configurations, e�g�, ARCNET-Ethernet, Ethernet- MS/TP, etc�...
Page 66: Bacnet Objects And Properties
Honeywell Inc� (17) not writable apdu_timeout unsigned not writable application_software_ character string not writable version description character string Honeywell Indoor Air Quality Sensor not writable firmware_revision character string not writable location character string "location" Any unique string 1-22 bytes max_apdu_length_ac- unsigned...
Page 67 IAQPoint2™ BACNet Objects and Properties Property Data Type Read Value Writable Values object_identifier analog_input (0) not writable object_type enumerated analog_input (0) not writable "if gas sensor fault Fault (1), event_state enumerated not writable else normal (0)" object_name character string "GAS_RDG_AI"...
Page 68 IAQPoint2™ BACNet Objects and Properties Property Data Type Read Value Writable Values object_identifier analog_value (3) not writable object_type enumerated analog_value (2) not writable event_state enumerated normal (0) not writable object_name character string "GAS_SPT_AV" Any unique string 1-22 bytes out_of_service boolean...
Page 69 IAQPoint2™ BACNet Objects and Properties Property Data Type Read Value Writable Values object_identifier binary_input (6) not writable object_type enumerated binary_input (3) not writable event_state enumerated normal (0) not writable object_name character string "IAQGOOD_BI" Any unique string 1-22 bytes out_of_service boolean FALSE "true"...
Page 70 IAQPoint2™ BACNet Objects and Properties Property Data Type Read Value Writable Values object_identifier binary_output (8) not writable object_type enumerated binary_output (4) not writable event_state enumerated normal (0) not writable object_name character string "RLY_DRV_BO" Any unique string 1-22 bytes out_of_service boolean...
Page 71 IAQPoint2™ LonWorks Interface Some models of the IAQPoint2 gas detector have interfaces for the LonWorks computer networking protocol� More information on LonWorks is available at www�echelon�com and www�lonmark�org� The IAQPoint2 is a LonMark Certified product� The LonWorks interface contains LonMark objects� Echelon’s LonMaker software presents the device as shown in Figure 29�...
Page 72 Each of the three sensor functional blocks has a network variable output for faults of type SNVT_switch� This will hold the value “off” if the IAQPoint2 is working correctly or “on” if there is some fault� These are provided to facilitate a simpler alternative to nvoStatus which external controllers can read�...
Page 73 Network Commissioning Commissioning a LonWorks network generally requires knowing the neuron ID of each device� There are two ways of finding the neuron ID of the IAQPoint2� Both start with the Configure\Fieldbus menu� Pressing the button [Send SERVICE Msg] causes the IAQPoint2 to broadcast a packet containing its neuron ID�...
Page 74 IAQPoint2™ Summary of LonMark Objects, Variables, and Configuration Properties All of the network variables and configuration properties are listed in this table� Items marked in green in the UFPT are inherited from the SFPT� Func LonMark Network Root Self‐Documentation ...
Page 75: Limited Warranty
60069, in a package equal to or in the original container� The Product will be returned freight prepaid and repaired or replaced if it is determined by Honeywell Analytics that the part failed due to defective materials or workmanship� The repair or replace- ment of any such defective part shall be Honeywell Analytics’...
Page 76 IAQPoint2™...
Page 77: Index
IAQPoint2™ Index Cal rH screen 42 Cal Temperature screen 41 Factory Config. screen 31, 32 Canada 6 factory configuration 31, 32 301C controller 38 Canadian Standards Associa- factory defaults 39 tion 7 Fahrenheit 37 carbon monoxide 4, 7 fieldbus, digital 31...
Page 78 IAQPoint2™ UL, see Underwriters’ Labora- Main Display Dataset screen Reboot button 40 relative humidity 24 tory Main menu 31 relay flow 36, 57 Underwriters’ Laboratory 7 maintenance 55 Reset All Configuration screen User Config. screen 31 master/slave token passing 7 Max Temp�...

Honeywell IAQPoint2 Technical Manual

Introduction

Contact Information

Configurations

Dimensions

Wiring and Installation

Operation

Output Levels

Configuration of Display Units

Calibration

Maintenance

Specifications

Modbus

Bacnet

Limited Warranty

Index

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Summary of Contents for Honeywell IAQPoint2

Table of Contents