Data Aire DAP II LonWorks SNVT Only Version 1 by cmQxCRsW

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									LonWorks SNVT Only

          for the

  Data Aire DAP-II




            Revision 1
         January 30, 2007




           Prepared for

         Data Aire, Inc.
   230 West Blueridge Avenue
    Orange, California 92865


               by

   MMI Development Group, Inc.
       info@mmidev.com
REVISION HISTORY
Rev By          Date      Description
 1   S. Johnson 1/30/07   Initial Release
                                                        Table of Contents
1    Introduction ................................................................................................................................ 5
  1.1     Scope .................................................................................................................................. 5
  1.2     References .......................................................................................................................... 5
2    Network Variable Summary ...................................................................................................... 5
  2.1     Status .................................................................................................................................. 5
  2.2     Read/Write Configuration .................................................................................................. 6
  2.3     Control ............................................................................................................................... 6
3    Network Variables Description.................................................................................................. 6
  3.1     nvoReturnTemp ................................................................................................................. 6
  3.2     nvoDiscTemp ..................................................................................................................... 6
  3.3     nvoHumidity ...................................................................................................................... 7
  3.4     nvoCoolStagesOn .............................................................................................................. 7
  3.5     nvoHeatStagesOn ............................................................................................................... 7
  3.6     nvoHumidifying ................................................................................................................. 7
  3.7     nvoDehumidifying ............................................................................................................. 7
  3.8     nvoValve ............................................................................................................................ 7
  3.9     nvoHValve ......................................................................................................................... 7
  3.10 nvoHiTempHistory ............................................................................................................ 7
  3.11 nvoLoTempHistory ............................................................................................................ 8
  3.12 nvoHiHumHistory.............................................................................................................. 8
  3.13 nvoLoHumHistory ............................................................................................................. 8
  3.14 nvoCoolUtlz ....................................................................................................................... 8
  3.15 nvoHeatUtlz ....................................................................................................................... 8
  3.16 nvoChilledUtlz ................................................................................................................... 8
  3.17 nvoHumidUtlz.................................................................................................................... 8
  3.18 nvoComp1Runtime ............................................................................................................ 8
  3.19 nvoComp2Runtime ............................................................................................................ 8
  3.20 nvoComp3Runtime ............................................................................................................ 8
  3.21 nvoComp4Runtime ............................................................................................................ 8
  3.22 nvoHeat1Runtime .............................................................................................................. 9
  3.23 nvoHeat2Runtime .............................................................................................................. 9
  3.24 nvoHeat3Runtime .............................................................................................................. 9
  3.25 nvoHumidRuntime............................................................................................................. 9
  3.26 nvoFanRuntime .................................................................................................................. 9
  3.27 nvoCondRuntime ............................................................................................................... 9
  3.28 nvoDehumRuntime ............................................................................................................ 9
  3.29 nvoESaverRuntime ............................................................................................................ 9
  3.30 nvoChillRuntime ................................................................................................................ 9
  3.31 nvoAlarm ........................................................................................................................... 9
  3.32 nviFireLimit ..................................................................................................................... 10
  3.33 nviHiTempLimit .............................................................................................................. 10
  3.34 nviLoTempLimit .............................................................................................................. 11
  3.35 nviLoDiscLimit ................................................................................................................ 11
  3.36 nviHiHumidLimit ............................................................................................................ 11
  3.37 nviLoHumidLimit ............................................................................................................ 11
3.38   nviHumDeadband ............................................................................................................ 11
3.39   nviHumSetpoint ............................................................................................................... 11
3.40   nviTempDeadband ........................................................................................................... 11
3.41   nviTempSetpoint .............................................................................................................. 11
3.42   nviInhibitCool .................................................................................................................. 11
3.43   nviInhibitHeat .................................................................................................................. 11
3.44   nviInhibitHumid ............................................................................................................... 12
3.45   nviInhibitDehum .............................................................................................................. 12
3.46   nviInhibitFan .................................................................................................................... 12
3.47   nviStandby ....................................................................................................................... 12
1   Introduction

1.1 Scope

This document defines the Network Variables used by the LonWorks protocol SNVT Only version
of the Data Air Processor II (DAP-II).

1.2 References

Introduction to the LonWorks System Version 1.0, Echelon® Corporation, 1999

ShortStack™ User’s Guide Version 2, Echelon® Corporation, March 2002

LonMark® SNVT Master List, Version 12, June 2003

2   Network Variable Summary

2.1 Status

    Network Variable        Network Variable Type                    Description
      nvoReturnTemp             SNVT_temp_p                  Current Return Temperature
       nvoDiscTemp              SNVT_temp_p                Current Discharge Temperature
        nvoHumidity           SNVT_lev_percent                    Current Humidity
     nvoCoolStagesOn             SNVT_count                      Cooling Stages on
     nvoHeatStagesOn             SNVT_count                      Heating Stages on
      nvoHumidifying             SNVT_switch                   Currently Humidifying
    nvoDehumidifying             SNVT_switch                  Currently Dehumidifying
          nvoValve              SNVT_lev_cont                 Water Valve percent open
         nvoHValve              SNVT_lev_cont              Humidifier Valve percent open
    nvoHiTempHistory            SNVT_temp_p               High Temperature Last 24 Hours
    nvoLoTempHistory            SNVT_temp_p               Low Temperature Last 24 Hours
    nvoHiHumHistory           SNVT_lev_percent              High Humidity Last 24 Hours
    nvoLoHumHistory           SNVT_lev_percent              Low Humidity Last 24 Hours
        nvoCoolUtlz              SNVT_switch             Cooling Utilization Last 24 Hours
        nvoHeatUtlz              SNVT_switch             Heating Utilization Last 24 Hours
      nvoChilledUtlz             SNVT_switch           Chilled Water Utilization Last 24 Hours
       nvoHumidUtlz              SNVT_switch            Humidifier Utilization Last 24 Hours
    nvoComp1Runtime            SNVT_time_hour                  Compressor 1 Runtime
    nvoComp2Runtime            SNVT_time_hour                  Compressor 2 Runtime
    nvoComp3Runtime            SNVT_time_hour                  Compressor 3 Runtime
    nvoComp4Runtime            SNVT_time_hour                  Compressor 4 Runtime
     nvoHeat1Runtime           SNVT_time_hour                     Heater 1 Runtime
     nvoHeat2Runtime           SNVT_time_hour                     Heater 2 Runtime
      nvoHeat3Runtime            SNVT_time_hour                   Heater 3 Runtime
     nvoHumidRuntime             SNVT_time_hour                  Humidifier Runtime
       nvoFanRuntime             SNVT_time_hour                    Blower Runtime
      nvoCondRuntime             SNVT_time_hour                  Condenser Runtime
     nvoDehumRuntime             SNVT_time_hour                 Dehumidifier Runtime
     nvoESaverRuntime            SNVT_time_hour                 Energy Saver Runtime
      nvoChillRuntime            SNVT_time_hour                 Chilled Water Runtime
         nvoAlarm                 SNVT_state_64                      Alarm Status

2.2 Read/Write Configuration

    Network Variable     Network Variable Type                      Description
       nviFireLimit          SNVT_temp_p                      Fire Temperature Limit
     nviHiTempLimit          SNVT_temp_p                 High Return Air Temperature Limit
     nviLoTempLimit          SNVT_temp_p                 Low Return Air Temperature Limit
      nviLoDiscLimit         SNVT_temp_p                Low Discharge Air Temperature Limit
    nviHiHumidLimit        SNVT_lev_percent                    High Humidity Limit
    nviLoHumidLimit        SNVT_lev_percent                     Low Humidity Limit
    nviHumDeadband         SNVT_lev_percent                     Humidity Deadband
     nviHumSetpoint        SNVT_lev_percent                      Humidity Setpoint
    nviTempDeadband        SNVT_temp_diff_p                   Temperature Deadband
     nviTempSetpoint         SNVT_temp_p                       Temperature Setpoint

2.3 Control

    Network Variable         Network Variable Type                     Description
      nviInhibitCool             SNVT_switch                         Inhibit Cooling
      nviInhibitHeat             SNVT_switch                         Inhibit Heating
     nviInhibitHumid             SNVT_switch                     Inhibit Humidification
     nviInhibitDehum             SNVT_switch                    Inhibit Dehumidification
      nviInhibitFan              SNVT_switch                         Inhibit Blower
        nviStandby               SNVT_switch                         Standby Mode

3     Network Variables Description

3.1 nvoReturnTemp

nvoReturnTemp contains the current return air temperature.

3.2 nvoDiscTemp

nvoDiscTemp contains the current discharge air temperature.
3.3 nvoHumidity

nvoHumidity contains the current space humidity.

3.4 nvoCoolStagesOn

nvoCoolStagesOn contains the current number of cooling stages in use.

3.5 nvoHeatStagesOn

nvoHeatStagesOn contains the current number of heating stages in use.

3.6 nvoHumidifying

nvoHumidifying contains the current state of the humidifier.

Humidifier value state
  Off        0     0
   On       >0     1

3.7 nvoDehumidifying

nvoDehumidifying contains the current dehumidification state.

Dehumidification value state
     Off           0     0
     On           >0     1

3.8 nvoValve

nvoValve contains the current position of the chilled water valve.
0%    = Full closed
100% = Full open

3.9 nvoHValve

nvoHValve contains the current position of the humidifier valve.
0%   = Full closed
100% = Full open

3.10 nvoHiTempHistory

nvoHighTempHistory contains the highest recorded return air temperature over the last 24 hours.
3.11 nvoLoTempHistory

nvoLoTempHistory contains the lowest recorded return air temperature over the last 24 hours.

3.12 nvoHiHumHistory

nvoHighHumHistory contains the highest recorded humidity over the last 24 hours.

3.13 nvoLoHumHistory

nvoLoHumHistory contains the lowest recorded humidity over the last 24 hours.

3.14 nvoCoolUtlz

nvoCoolUtlz contains the average cooling utilization over the last 24 hours.

3.15 nvoHeatUtlz

nvoHeatUtlz contains the average heating utilization over the last 24 hours.

3.16 nvoChilledUtlz

nvoChilledWaterUtlz contains the average chilled water utilization over the last 24 hours.

3.17 nvoHumidUtlz

nvoHumidifierUtlz contains the average humidifier utilization over the last 24 hours.

3.18 nvoComp1Runtime

nvoComp1Runtime contains the total runtime for compressor 1.

3.19 nvoComp2Runtime

nvoComp2Runtime contains the total runtime for compressor 2.

3.20 nvoComp3Runtime

nvoComp3Runtime contains the total runtime for compressor 3.

3.21 nvoComp4Runtime

nvoComp4Runtime contains the total runtime for compressor 4.
3.22 nvoHeat1Runtime

nvoHeat1Runtime contains the total runtime for heater 1.

3.23 nvoHeat2Runtime

nvoHeat2Runtime contains the total runtime for heater 2.

3.24 nvoHeat3Runtime

nvoHeat3Runtime contains the total runtime for heater 3.

3.25 nvoHumidRuntime

nvoHumidRuntime contains the total runtime for the humidifier.

3.26 nvoFanRuntime

nvoFanRuntime contains the total runtime for the blower.

3.27 nvoCondRuntime

nvoCondRuntime contains the total runtime for the condenser.

3.28 nvoDehumRuntime

nvoDehumRuntime contains the total runtime for dehumidification.

3.29 nvoESaverRuntime

nvoESaverRuntime contains the total runtime for energy saver.

3.30 nvoChillRuntime

nvoChillRuntime contains the total runtime for chilled water cooling.

3.31 nvoAlarm

nvoAlarm is a SNVT_state_64 bitfield that contains the current unit alarms. The bits are defined
in the following table.

Bit                  Description
 0      Water detected under floor: Check probe
 1        No air flow: Check belt and motor
Bit                    Description
 2              Dirty filter: Check filters
 3     Humidifier problem: Check water pressure
 4         Low voltage warning: Check unit
 5           Fire stat alarm: Unit shutdown
 6          Compressor short cycle warning
 7           Power problem or unit restart
 8             Humidity sensor problem
 9            Temperature sensor problem
10            Scheduled maintenance due
11      High pressure/Internal overload: Comp 1
12         Low pressure C1: Automatic reset
13      High pressure/Internal overload: Comp 2
14         Low pressure C2: Automatic reset
15          Smoke detector: Unit shutdown
16            No water flow: Check pump
17       Discharge temperature sensor problem
18             High temperature warning
19             Low temperature warning
20               High humidity warning
21               Low humidity warning
22    Fan motor overload: Check motor amperage
23        Local alarm #1: See tag inside door
24        Local alarm #2: See tag inside door
25        Local alarm #3: See tag inside door
26        Local alarm #4: See tag inside door
27      Standby pump on: Check primary pump
28     UPS power on: Check main power supply
29                  Custom alarm #1
30                  Custom alarm #2
31                  Custom alarm #3
32                  Custom alarm #4
33              Humidification inhibited
34                   Reheat inhibited
35        Reheat and humidification inhibited
36       Low discharge air temperature alarm
37      Manual override: Check bypass switches
38            High condensate water level
39       Unit in standby, all functions held off

3.32 nviFireLimit

nviFireTempLimit contains the fire temperature limit. The valid range is 38-65 C (100-150 F).

3.33 nviHiTempLimit

nviHiTempLimit contains the high return air temperature limit. The valid range is 10-32 C (50-90
F).
3.34 nviLoTempLimit

nviLoTempLimit contains the low return air temperature limit. The valid range is 10-32 C (50-90
F).

3.35 nviLoDiscLimit

nviLoDiscLimit contains the low discharge air temperature limit. The valid range is 7-16 C (45-61
F).

3.36 nviHiHumidLimit

nviHiHumidLimit contains the high humidity limit. The valid range is 10-90%.

3.37 nviLoHumidLimit

nviLoHumidLimit contains the low humidity limit. The valid range is 10-90%.

3.38 nviHumDeadband

nviHumDeadband contains the humidity deadband setting. The valid range is 0-15%.

3.39 nviHumSetpoint

nviHumSetpoint contains the humidity setpoint setting. The valid range is 30-70%.

3.40 nviTempDeadband

nviTempDeadband contains the return air deadband setting. The valid range is 1-2C (1-5F).

3.41 nviTempSetpoint

nviTempSetpoint contains the return air setpoint setting. The valid range is 15-26C (60-80F).

3.42 nviInhibitCool

nviInhibitCool contains the current cooling inhibit setting.

Inhibit Cooling value state
  Inhibit Off     0     0
  Inhibit On     >0     1

3.43 nviInhibitHeat
nviInhibitHeat contains the current heating inhibit setting.

Inhibit Heating value state
  Inhibit Off     0     0
  Inhibit On     >0     1

3.44 nviInhibitHumid

nviInhibitHumid contains the current humidification inhibit setting.

Inhibit Humidification value state
      Inhibit Off        0     0
      Inhibit On        >0     1

3.45 nviInhibitDehum

nviInhibitDehum contains the current dehumidification inhibit setting.

Inhibit Dehumidification value state
        Inhibit Off        0     0
        Inhibit On        >0     1

3.46 nviInhibitFan

nviInhibitFan contains the current blower inhibit setting.

Inhibit Blower value state
  Inhibit Off    0     0
  Inhibit On    >0     1

3.47 nviStandby

nviStandby contains the current unit standby inhibit setting.

Mode    value state
  On      0     0
Standby  >0     1

								
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