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Contemporary Controls BASstat BAST-421C-B2 User Manual Download Page 32

UM-15093000-AA1 

 

Page 

31 

 

 

United States

 

China

 

United Kingdom

 

Germany

 

Contemporary Control 

Systems, Inc.

 

Contemporary Controls 

(Suzhou) Co. Ltd

 

Contemporary Controls 

Ltd

 

Contemporary Controls 

GmbH

 

Tel: +1-630-963-7070 

Fax: +1-630-963-0109 

 

[email protected]

 

Tel: +86 512 68095866 

Fax: +86 512 68093760 

 

[email protected]

 

Tel: +44 (0)24 7641 3786 

Fax:+44 (0)24 7641 3923 

 

[email protected]

 

Tel: +49 341 520359 0 

Fax: +49 341 520359 16 

 

[email protected]

 

 

www.ccontrols.com

 

 

 

 

 

 

Summary of Contents for BASstat BAST-421C-B2

Page 1: ...BAST 421C B2 BACnet Communicating Thermostat for Modulating Fan Coil Operation BASstat Modulating Thermostat User Manual UM 15093000 AA1...

Page 2: ...his publication may be reproduced transmitted transcribed stored in a retrieval system or translated into any language or computer language in any form or by any means electronic mechanical magnetic o...

Page 3: ...6 Electromagnetic Compatibility 7 2 7 Mechanical all dimensions are in mm 8 3 Installation 9 3 1 Terminal Block Pin Assignments 9 3 2 Limited Power Source 9 3 3 Power Supply Precautions 9 3 4 Wiring...

Page 4: ...the Engineering Menu or via a network connection to a BACnet client Contemporary Controls free BACnet Discovery Tool can be used for initial discovery and configuration of the thermostat over BACnet...

Page 5: ...rol parameters such as deadband proportional gain integral rate and cycle time Adjustable minimum maximum set point ranges Three options for temperature reading o Built in temperature sensor or o Remo...

Page 6: ...UM 15093000 AA1 Page 5 1 2 Product Image and Main Features BASstat 421C B2 and BASstat 421C BW2...

Page 7: ...tor 2 2 Outputs Item Description Relay Output Fan Analog Outputs 0 10v modulating AO1 cooling AO2 heating Contact Rating SPST 2A at 30 VAC with inductive load Minimum contact life 100 000 cycles 2 3 C...

Page 8: ...rd Test Method Description EN 61000 6 2 IEC 61000 4 2 Electrostatic Discharge Immunity EN 61000 6 2 IEC 61000 4 3 Radiated Radio Frequency Electromagnetic Field Immunity EN 61000 6 2 IEC 61000 4 4 Ele...

Page 9: ...e 8 2 7 Mechanical all dimensions are in mm Mounts directly onto wall panel standard 65 65mm junction box hole pitch 60 mm or standard 2 4 inch vertical junction box hole pitch 83 5mm Width 94mm Heigh...

Page 10: ...d 17 of the input terminal The remote sensor input RS is at terminals 13 and 14 The remote occupancy ESI input is a dry contact closure input located at terminals 14 and 15 Number Mark Comment Number...

Page 11: ...ndary to the 24 VAC high side input on the BASstat and the LO side to 24 VAC common WARNING Devices powered from a common AC source could be damaged if a mix of half wave and full wave rectified devic...

Page 12: ...states to start stop the thermostat This will disable control ON OFF control can be accomplished over BACnet as well 2 At power ON press any button to start the User Mode operation Press the MODE but...

Page 13: ...ACnet supervisor 3 Mode Select Select the working mode Cooling Heating or Ventilating After pressing the MODE button press the UP DOWN button to rotate the selections Dependent on Control Type 4 Fan A...

Page 14: ...eover In this control type the thermostat will wait for a command from user or BACnet supervisor to switch between Cool and Heat modes The user will be presented with a choice of Heat or Ventilation H...

Page 15: ...ws the thermostat to operate as fully stand alone Manual Changeover allows restrictionof mode selection to Cool only or Heat only where necessary Control Type can be selected in tyPe or MSV8 For manua...

Page 16: ...C 77 F Fan Control Output Lowest Fan Speed is the speed the fan will default to after a control action Heating or Cooling with fan in AUTO mode If the lowest fan speed MSV4 is set as Stop 1 the fan wi...

Page 17: ...en in unoccupied state a Moon icon will be displayed on the LCD and the thermostat will change the set point temperatures to the Unoccupied Cool and Unoccupied Heat setpoints AV8 9 When the state chan...

Page 18: ...changed unless confirmed using the MODE button To leave Engineering Mode rotate till End menu item appears and press the MODE button Alternately pressing no buttons for 10 seconds will return the the...

Page 19: ...18 0 18 0 0 1 C F E10 Pb Proportional band or stage width 1 5 0 10 0 3 0 0 18 0 0 1 C F E11 diFF Stage differential 0 5 0 1 1 0 1 0 0 1 1 8 0 1 C F E12 LOC Bit Definition 0 MODE button dec 1 1 Down b...

Page 20: ...an speed in Auto fan mode 0 0 1 0 0 1 0 stop 1 low E20 Pct Output Percentage not used 0 0 100 0 0 100 1 E21 Baud Baud Rate 38 4 depends on Model Number 9 6 kbps 19 2kbps 38 4kbps 57 6kbps 76 8kbps 38...

Page 21: ...ALH Input High Value of Valve Feedback not used E43 OPts Options not used E44 dlAb DI contact Defination not used E45 Hrt Communication Heartbeat Flip Flop 0 0 1 0 0 1 0 Off 1 On E46 CSPL Minimum Cool...

Page 22: ...1 or subtract a bit s decimal value to toggle to 0 See table below 4 4 BACnet Objects and Network Configuration Transmission types Physical layer EIA 485 Protocol BACnet MS TP Baud rate 38400 bps defa...

Page 23: ...ating Floating Output 1 Cooling 0 100 0 100 Modulating Floating Output 2 AI 9 R Modulating Floating Output 2 Heating 0 100 0 100 Modulating Fan Output AI 10 R Modulating Fan Output 0 100 0 100 Control...

Page 24: ...71 5 F Integral Cycle Time AV 10 R W Integral Time and Output Cycle Time 0 500 Sec Analog Minimum Output for AO1 AV 11 R W Minimum Output Voltage in Digital Value When Reach Low Limit for AO1 0 125 LS...

Page 25: ...thermostat algorithm 0 or BACnet sup 1 dec 512 10 15 reserved unused Bit Value 0 Unlock enable 1 Lock disable Examples add dec values to lock multiples For more details see Lock Function Setup and Ex...

Page 26: ...0 0 100 0 RH Humidity Stage Differential AV 31 R W Stage Differential for Humidity Control Output 0 1000 0 0 100 0 RH Proportional Band or Stage Width 2 AV 32 R W Proportional Band or Stage Width 2 C...

Page 27: ...idity AV 49 R W Set Point for Humidity Control 0 1000 0 0 100 0 RH Dew Point Set Point AV 50 R W Dew Point Temperature Set Point 999 9999 99 9 999 9 F Occupancy Status BI 0 R Status of Occupancy 0 Roo...

Page 28: ...re Alarm Status 0 Off 1 On Status BI 22 R Current Status 0 Off 1 On Valve Status BI 23 R Valve Status 0 Off 1 On Alarm BI 24 R Alarm Status 0 Off 1 On Frozen Alarm Status BI 25 R Frozen Alarm Status 0...

Page 29: ...Room Occupancy Setting 0 Occupied 1 Unoccupied Fan Output for Heating BV15 R W Disable Enable Fan Output for Heating 0 Disable 1 Enable Heartbeat BV16 R W Communication Heartbeat Flip Flop 0 Off 1 On...

Page 30: ...8400 bps 4 57600 bps 5 76800 bps Display Options MSV 7 R W LCD Display Options 1 T Time if available 2 SP Time if available 3 T CO2 if available 4 CO2 Time if available 5 SP CO2 if available 6 T RH if...

Page 31: ...on User modification may void the warranty if the product is damaged by the modification in which case this warranty does not cover repair or replacement This warranty in no way warrants suitability o...

Page 32: ...hou Co Ltd Contemporary Controls Ltd Contemporary Controls GmbH Tel 1 630 963 7070 Fax 1 630 963 0109 info ccontrols com Tel 86 512 68095866 Fax 86 512 68093760 info ccontrols com cn Tel 44 0 24 7641...

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