Vykon VT7200 Series Page 1 Integration Manual Download

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PIR Ready VT7200 & VT7300 Series

24 Vac Fan Coil and Zoning Thermostats

For Commercial and Lodging HVAC Applications

LonWorks Integration Manual

September 1, 2010

Summary of Contents for VT7200 Series

Page 1: ...1 PIR Ready VT7200 VT7300 Series 24 Vac Fan Coil and Zoning Thermostats For Commercial and Lodging HVAC Applications LonWorks Integration Manual September 1 2010 ...

Page 2: ...tually eliminates temperature offset associated with traditional differential based thermostats Models are available for On Off 3 point floating and analog 0 to 10 Vdc control and can control up to three fan speeds Three additional inputs are also provided for monitoring and or various advanced functions All models feature configurable System and Fan button functions to meet all possible applicati...

Page 3: ... Revision Table XIF APB and NXE File Names and Corresponding PIDs This manual information is to be used only with the current released VT7200X VT73xxX PIR ready thermostats Used on current released thermostat APB NXE XIF file names Revision Level Associated PID PIR Ready VT7200 VT7300 Series VT72_73_PIR XIF Rev 3 0 80 00 C5 55 00 04 04 20 This manual information is NOT to be used only with the pre...

Page 4: ...NVT_hvac_status nvoDischAirTemp SNVT_temp_p nvoEffectOccup SNVT_occupancy nvoSpaceRH SNVT_lev_percent Manufacturer Configuration Properties Please see the manual for details Plug In for configuration provided nviOutdoorTemp SNVT_temp_p nvoSCCstatus SNVT_state_64 nviSetpoint SNVT_temp_p nviSpaceRH SNVT_lev_percent nviFanSpeedCmd SNVT_switch nviAuxHeatEnable SNVT_switch nviOccManCmd SNVT_occupancy n...

Page 5: ... x x x 4 cool_output x x x x x x x x x x x x 6 fan_output N A N A x x x x x x x x x x 7 in_alarm x x x x x x x x x x x x 17 nvoSccStatus UNVT_thermo_state_fc X X X X X X X X X X X X Associate with UNVT_thermo_state_fc format file 1 bi1_status True bit index 2 x x x x x x x x x x x x 2 bi2_status True bit index 1 x x x x x x x x x x x x 3 ui3_ status True bit index 0 x x x x x x x x x x x x 4 dehum...

Page 6: ...5 dehumidification_setpoint SNVT_lev_percent N A N A N A N A x N A N A x N A x N A x 6 dehumumidification_hysterisis SNVT_lev_percent N A N A N A N A x N A N A x N A x N A x 7 dehumidification_max_cooling SNVT_lev_percent N A N A N A N A x N A N A x N A x N A x 8 calib_room_humidity_sensor SNVT_lev_percent N A N A N A N A x N A N A x N A x N A x 22 nciSccModel UNVT_model_info_2 X X X X X X X X X X...

Page 7: ...imum_setpoint SNVT_temp_p x x x x x x x x x x x x 13 cool_minimum_setpoint SNVT_temp_p x x x x x x x x x x x x 14 calib_room_sensor SNVT_temp_diff_p x x x x x x x x x x x x 15 deadband Unsigned Short x x x x x x x x x x x x 16 setpoint_type Enumeration Set Used permanent_temporary_t x x x x x x x x x x x x 17 setpoint_function Enumeration Set Used setpts_func_t N A N A x x x x x x x x x x 18 tempo...

Page 8: ...ccupied Cool Heat Setpoints network Input SNVT_temp_p nviSetpoint This input network variable is used to allow the occupied temperature setpoints only to be changed via the network from a single analog value Note the Stand By and Unoccupied setpoints are not changed The corresponding heating and cooling values are derived from the minimum deadband configuration value Default Null Value 621 81 F 32...

Page 9: ...N A Off Not Used 1 0 0 Off Not Used 1 1 to 66 0 5 to 33 Low 1 67 to 133 33 5 to 66 5 Medium 1 134 to 200 67 to 100 High 1 201 to 255 100 3 Not Used 2 0xFF N A N A Auto 0 n N A Off Not Used 1 0 0 Off Not Used 1 0 to 100 0 5 to 50 Low 1 101 to 200 50 5 to 100 High 1 201 to 255 100 2 Not Used 3 0xFF N A N A Auto 0 n N A Off Not Used 1 0 0 Off Not Used 1 1 to 200 0 5 to 100 On High 1 201 to 255 100 On...

Page 10: ..._NUL command will release the thermostat to use its own internal occupancy routine driven from one of the digital input or a PIR cover installed on board This network variable input is used to coordinate the Space Comfort Controller with any node that may need to control the heat cool changeover of the unit This input is used in conjunction with nviHeatCool and SeqOper Default Null Value HVAC_AUTO...

Page 11: ...Mode Settings Fan Mode Settings Unoccupied Override 0 Yes access Yes access Yes access Yes access 1 Yes access Yes access Yes access No access 2 Yes access No access No access Yes access 3 Yes access No access No access No access 4 No access No access No access Yes access Remote Lockout network input SNVT_count nviRemLockout 5 No access No access No access No access This network variable input is ...

Page 12: ... invalid value in case of a sensor failure Room Humidity network output SNVT_lev_percent nvoSpaceRH This output network variable indicates the space humidity in percent Valid Range 0 to 100 The value 0x7FFF 163 835 will be set as an invalid value to indicate a humidity sensor failure This output network variable is used to indicate the actual occupancy mode of the unit This information is typicall...

Page 13: ...dehumidification active 0 Off 1 On 7 05 state terminal bo1 0 Off 1 On 13 06 state terminal bo2 0 Off 1 On 12 07 state terminal bo3 0 Off 1 On 15 08 state terminal bo4 0 Off 1 On 14 09 state terminal bo5 0 Off 1 On 20 10 fan low 0 Off 1 On 21 11 fan med 0 Off 1 On 22 12 fan high 0 Off 1 On 23 13 window opened 0 No alarm 1 Alarm on 24 14 service alarm 0 No alarm 1 Alarm on 28 15 filter alarm 0 No al...

Page 14: ... config SNVT_temp_setpt nciSetPts 06 unoccupied_heat 40 to 90 F 4 5 to 32 C 62 F 16 5 C This configuration property defines the space humidity parameters and their settings Valid Range and Default values Sub Name Valid Range Default value 01 bi1 config 0 None 1 Rem NSB 2 Motion NO 3 Motion NC 4 Window 0 None 02 bi2 config 0 None 1 Door Dry 2 Override 3 Filter 4 Service 0 None 03 ui3 config 0 None ...

Page 15: ...re scale 0 C 1 F F 09 pipes number main out config 2 2 pipe 4 4 pipe 4 pipe 10 sequence of operation 0 Cooling Only 1 Heating Only 2 Cooling Reheat 3 Heating Reheat 4 Cooling Heating 4 pipes 5 Cooling Heating 4 pipes Reheat 1 Heating Only 11 fan menu 0 Low Med High 1 Low High 2 Low Med High Auto 3 Low High Auto 4 On Auto 4 On Auto 12 heat maximum setpoint 40 to 90 F 4 5 to 32 C 90 F 32 C 13 cool m...

Page 16: ...ortional band 3 to 10 F 3 F 20 aux contact config 0 Aux Contact used for reheat 1 Aux NO with occupancy 2 Aux NC with occupancy 3 Aux NO with occupancy Fan On 4 Aux NC with occupancy Fan On 5 Remote control nviAuxOut 0 21 reheat time base 0 15 minutes 1 10 seconds 0 22 fan mode 0 Low 1 Med 2 High 3 Auto 4 On Depending on Fan Menu Selected 23 auto fan 0 Auto Speed 1 Auto Speed and Auto Demand 0 Aut...

Page 17: ...es the maximum period of that expires before the specified network variable outputs will automatically be updated Valid Range 0 sec to 6553 4 sec Setting nciSendHrtBt to 0 disables the Send Heartbeat mechanism Default Null Value 0 0 sec no automatic update Minimum Send Time network input config SNVT_time_sec nciMinOutTm This configuration property defines the minimum period of time between automat...

Page 18: ...AC_HEAT X 3 Heating Reheat 3 HVAC_COOL 2 Cooling Reheat 4 Pipe Application 3 HVAC_COOL X 0 Cooling Only 0 HVAC_AUTO 1 HVAC_HEAT 4 Cool Heat 4 Pipes 1 Heating Only 3 HVAC_COOL X 2 Cooling Reheat 0 HVAC_AUTO 1 HVAC_HEAT 5 Cool Heat 4P Reheat 3 Heating Reheat 1 HVAC_HEAT X 1 Heating Only 0 HVAC_AUTO 3 HVAC_COOL 4 Cool Heat 4 pipes 1 Cooling Only 1 HVAC_HEAT X 3 Heating Reheat 0 HVAC_AUTO 3 HVAC_COOL ...

Page 19: ...gration Global Commands The following figure shows which objects from the thermostat can be monitored and commanded from the BAS front end Figure 1 Global commands from a BAS front end to a VT7300 series tstat ...

Page 20: ...ciSetpts unoccupied_heat nciSetpts occupied_cool nciSetpts unoccupied_cool nciSetpts nvoOutdoorTemp nvoDischAirTemp nvoEffectOccup heat_output_primary nvoUnitStatus cool_output nvoUnitStatus nvoTerminalLoad ServiceAlarm nvoSccStatus FilterAlarm nvoSccStatus WindowOpened nvoSccStatus Graphical User Interface GUI example of a zoning thermostat ...

Page 21: ...upied_heat nciSetpts occupied_cool nciSetpts unoccupied_cool nciSetpts nvoSpaceRH RHsetpoint nciRHmodel nvoOutdoorTemp nvoDischAirTemp nviOccManCmd nvoEffectOccup heat_output_primary nvoUnitStatus cool_output nvoUnitStatus ServiceAlarm nvoSccStatus FilterAlarm nvoSccStatus WindowOpened nvoSccStatus Graphical User Interface GUI example of a Fan Coil system ...

Page 22: ...larity Polarity insensitive Multi drop Free Topology Termination for Free Topology Network Segment One RC network with Ra 52 3Ω 1 1 8W Termination for Doubly Terminated Bus Network Segment Two RC network with Ra 105Ω 1 1 8W Number of transceivers per segment Up to 64 Baud rate 78000 bits per second 1 Network segment length varies depending on wire type Table 1 Summary of Specifications for a Vykon...

Page 23: ...23 Maximum Number Of Devices Up to 64 transceivers are allowed per network segment If your network requires more than 64 transceivers a repeater is then required to extend your network ...

Page 24: ...ents The following sections describe the various terminators and terminations procedure Free Topology Network Segment In a free topology segment only one termination is required and may be placed anywhere on the free topology segment There are two choices for the termination 1 RC network with Ra 52Ω 1 1 8W 2 LPI 10 Link Power Interface with jumper at 1 CPLR setting Doubly Terminated Network Segmen...

Page 25: ... When binding a node onto the network an XIF file is needed The XIF file has information that is used by the network management tool to help ease the installation and maintenance process of a node It is also used for offline configuration of the node APB and NXE When running an application program associated with a XIF file an APB or NXE file is needed Please note that the thermostats have the APB...

Page 26: ...eing commissioned Tips And Things You Need To Know In order to operate nviAuxOut auxiliary output from the network Aux contact configuration Auxcont nciGenOpt needs to be set as Network Controlled If the heartbeat is lost the module will release the network sensor value for the Room Temperature nviSpaceTemp and the Outdoor Temperature nviOutdoorTemp The SeqOpera value Sequence of Operation depends...

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