BAST-321HP-BW2
Wireless BACnet Communicating Thermostat for 2-stage Heat Pump Operation
BASstat
Wireless Heat Pump Thermostat
User Manual
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# UM-15094000-AA0
Page 1: ...BAST 321HP BW2 Wireless BACnet Communicating Thermostat for 2 stage Heat Pump Operation BASstat Wireless Heat Pump Thermostat User Manual UM 15094000 AA0...
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: ...ental 7 2 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 10 3...
Page 4: ...be sent by another communicating device over the BACnet network The BASstat is configurable locally using the Engineering Menu or via a network connection to a BACnet client Contemporary Controls free...
Page 5: ...ameters such as deadband proportional gain integral rate and cycle time Adjustable minimum maximum set point ranges Three options for temperature sensing o Built in temperature sensor or o Remote sens...
Page 6: ...UM 15094500 AA0 Page 5 1 2 Product Image and Main Features BASstat 321C BW2...
Page 7: ...for NTC Type 3k thermistor 2 2 Outputs Item Description Relay Output Fan Compressor 1 Compressor 2 O B Reversing Valve Auxiliary Heat stage 3 Contact Rating SPST 2A at 30 VAC with inductive load Mini...
Page 8: ...andard 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...
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: ...mote 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 Mark Comment 1 R 24 VAC high side...
Page 11: ...hat power several half wave devices have a common secondary connection called COMMON LO or GROUND Connect the HOT side of the secondary to the 24 VAC high side input on the BASstat and the LO side to...
Page 12: ...es to start stop the thermostat outputs 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 button to toggle between d...
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: ...r will be presented with a choice of Heat or Ventilation Heat when the thermostat is in Heat mode automatic and Cool or Ventilation Cool when the thermostat is in Cool mode automatic Multi stage Cooli...
Page 15: ...rol algorithm is applied to minimize overshoot in addition to proportional band Stage Width and derivative Differential calculation When the thermostat is active either the heating or cooling stage is...
Page 16: ...Delay or Maximum Cycles the Clock icon will appear on the LCD Next Stage Engagement Short Cycle Delay There needs to be an automatic delay Short Cycle default 5 minutes E28 AV23 for cooling control E...
Page 17: ...t signal within the AV 29 Heartbeat Rate time period in seconds Otherwise the assigned temperature will revert back to the onboard sensor reading Fan Control Output Lowest Fan Speed is the speed the f...
Page 18: ...ied AV18 is set as 0 by default When 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 s...
Page 19: ...rn back to User mode Settings are not 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 butto...
Page 20: ...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 buttons dec 2 2 Up button dec 4 3 FAN SPEED button dec 8 4 Power On Of...
Page 21: ...est Fan 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 dEUH Device instance no Hi bytes 600 0 4194 600 0 4194 1 E22 dEUL Device instance no Lo...
Page 22: ...43 Hrt Communication Heartbeat Flip Flop 0 0 1 0 0 1 0 Off 1 On E44 CSPL Minimum Cooling Temperature Setpoint 18 0 0 0 50 0 65 0 32 0 122 0 0 1 C F E45 HSPH Maximum Heating Temperature Setpoint 25 0 0...
Page 23: ...all LCD features and all relays Use only to test Use Caution Press MODE to engage E63 boot Reset Wi Fi parameters to factory defaults Press MODE to reset E64 rSt Reset all parameters including commun...
Page 24: ...reserved unused unused Bit Value 0 Unlock enable 1 Lock disable Add decimal values to lock multiples Bold decimal number is the example value to write to Lock object Examples Unlock enable all 0 this...
Page 25: ...ation Configuration Overview The BAST 321HP BW2 Wi Fi thermostat is preconfigured with a BACnet Device Instance of 600001 and a UDP Port Number of 47808 decimal equivalent to BAC0 hexadecimal Addressi...
Page 26: ...its of the thermostat s Wi Fi chip MAC address found written on the back side of the Wi Fi module This ensures a unique SSID for discovery and configuration and it can assist in identification of ther...
Page 27: ...password is the first step in creating a secure environment that is inaccessible to unauthorized parties Use the following tips when creating a Wi Fi access point passphrase Passphrase should be a min...
Page 28: ...the thermostat is required for new IP configuration to take effect Click the Save Restart button to reboot the thermostat and you will be prompted to confirm the restart Click OK to Save New Settings...
Page 29: ...d octet IP 3 for the third and IP 4 for the fourth octet of the IP address or if you have access to the Wi Fi access point its statistics or connected devices web page will show the BASstat BW2 s IP a...
Page 30: ...ability such as a BACnet router or other to be installed and configured on the network BBMD allows discovery of all BACnet IP devices in the IP subnet instead of just the FDR device Select As Foreign...
Page 31: ...K to Save New Settings and Restart or click Cancel to revisit IP configuration When OK is clicked a confirmation is displayed to indicate configuration is stored in the thermostat s EEPROM After reboo...
Page 32: ...ame Type Instance Readable Writable Description Range and Definition Current Temperature AI 0 R Current Temperature 999 9999 99 9 999 9 F Active Temperature Setpoint AI 1 R Active Temperature Set Poin...
Page 33: ...9 99 9 999 9 F 3rd Remote Temperature AI 15 R 3rd Remote Temperature Sensor Reading Value 999 9999 99 9 999 9 F Cooling Temperature Setpoint AV 0 R W Cooling Temperature Set Point C 0 500 0 0 50 0 F 3...
Page 34: ...e C 100 100 10 0 10 0 C F 180 180 18 0 18 0 F Proportional Band Stage Width AV 16 R W Proportional Band or Stage Width C 0 100 00 10 0 C F 0 180 00 18 0 F Stage Differential AV 17 R W Stage Differenti...
Page 35: ...27 R W Minimum Output Voltage in Digital Value When Reach Low Limit for AO2 0 125 LSB Span Offset for AO2 AV 28 R W Span Offset for AO2 55 0 LSB Heartbeat Rate AV 29 R W Communication Heartbeat Minimu...
Page 36: ...n Application Reg 53 100 Minimum Off Time AV 46 R W Minimum Off Time 0 600 seconds Minimum On Time AV 47 R W Minimum On Time 0 600 seconds Integral cycle Time 2 AV 48 R W Integral Time and Output Cycl...
Page 37: ...atus BI20 R Filter Dirty Alarm Status 0 Off 1 On Smoke Fire Alarm Status BI21 R Smoke Fire Alarm Status 0 Off 1 On Status BI22 R Current Status 0 Off 1 On Valve Status BI23 R Valve Status 0 Off 1 On A...
Page 38: ...7 Fan 0 Off 1 On Occupancy Command BV 14 R W 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...
Page 39: ...ty period CC will at its option repair or replace the product at no charge The customer is however responsible for shipping the product CC assumes no responsibility for the product until it is receive...
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