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BACnet

™ 

 Thermostat

INSTALLATION MANUAL

Group: Light Commercial

IO-DAPPS

www.daikinac.com

10/19

Only personnel that have been trained to install, adjust, service 

or repair(hereinafter, “service”) the equipment specified in this 

manual should service the equipment.  The manufacturer will not 

be responsible for any injury or property damage arising from 

improper service or service procedures.  If you service this unit, 

you assume responsibility for any injury or property damage 

which may result.  In addition, in jurisdictions that require one or 

more licenses to service the equipment specified in this manual, 

only licensed personnel should servise the equipment.   

Improper installation, adjustment, servicing or repair of the 

equipment specified in this manual, or attempting to install, 

adjust, service or repair the equipment specified in this manual 

without proper training may result in product damage, property 

damage, personal injury or death.

WARNING

Summary of Contents for BACnet Series

Page 1: ...ce procedures If you service this unit you assume responsibility for any injury or property damage which may result In addition in jurisdictions that require one or more licenses to service the equipm...

Page 2: ...mmissioning Functions 13 Set Up Communications 15 Set the Time and Date 16 Setting the Occupancy Schedule 17 Set Rooftop Unit System Options 18 Set Heat Pump Unit Systems Options 20 Advanced Options 2...

Page 3: ...MAC address baud rate user adjustments and application con figuration values are set from password protected front panel controls All models feature an integrated BACnet schedule and hardware real ti...

Page 4: ...l relay outputs is 3 amperes 72VA Connectors Screw terminal block mounted to backplate Wire size 14 22 AWG Communications BACnet MS TP Integral peer to peer BACnet MS TP network communications Network...

Page 5: ...e power limited circuits Weight Approx 6 ounces 170 grams Case Material Flame retardant plastic Dimensions Figure 1 BACnet Thermostat Dimensions Table 1 BACnet Thermostat Dimensions A B C 3 50 in 89 m...

Page 6: ...l plate kit Routing the connecting cable or cables from the BACnet Thermostat to the equipment it is controlling Block leaks and airflow from conduits with plumber s putty or similar material If repla...

Page 7: ...or Discharge Air Temperature Connect a 10k Type II thermistor temperature probe to the discharge air temperature DAT input The input includes the internal pull up resistor Follow the instructions supp...

Page 8: ...outputs may represent analog or digital signals Connecting Power The BACnet Thermostat requires an external 24 volt AC power source Use the following guidelines when choosing and wiring transformers...

Page 9: ...urrent changes Done Push this button at any point while entering a value For example if you have entered the first two digits of a password and the remaining two digits are correct pushing Done comple...

Page 10: ...ing the Active Setpoints To enter or change the active temperature setpoints you may need to enter a user password NOTE In the following procedure the current active setpoint either cooling or heating...

Page 11: ...he system will only heat the space Cool The system will only cool the space Auto The system will switch between heating and cooling Off The system is turned OFF 3 Press the Enter button to save the se...

Page 12: ...t the next digit of the password 4 Press either the or button to turn the override ON or OFF Override Off The controller uses the unoccupied setpoint as the active setpoint Override On The controller...

Page 13: ...all of the functions that can be set in the controller Not all functions are available on every model of controller Enter the Commissioning Mode For access to the commissioning functions you will nee...

Page 14: ...select SETPOINT 2 Press Enter The SETPOINT menu opens 3 Choose and set each of the following setpoints OCC COOL The cooling setpoint that is used as the active setpoint when the system is occupied OCC...

Page 15: ...work communication properties 1 From the MAIN menu press either the or button to select COMM 2 Press Enter The COMM menu opens up 3 Choose and set the following properties DEVICE ID This is the BACnet...

Page 16: ...nu opens 3 Choose SET CLOCK and then press Enter The SET CLOCK menu opens Choose a clock function to set Choose one of the features in the SET CLOCK menu to change the date time or Daylight Saving Tim...

Page 17: ...Monday to Friday Saturday and Sunday are not changed WEEKEND Sets the schedule for Saturday and Sunday Monday to Friday remain unchanged INDIVIDUAL DAYS Sets the schedule for just the selected day of...

Page 18: ...ENABLE MIN ECON DAMPER ECON ENABLE TEM MIN DAT HEATING FAN Set the local override time From the SYSTEM menu choose LOCAL OVRD TIME to set the time the BACnet Thermostat will hold an override temperatu...

Page 19: ...er application 2 From the SYSTEM menu choose MIN ECON DAMPER to set the minimum position for the economizer damper 3 From the SYSTEM menu choose ECON ENABLE TEM Enter the value that the outside air te...

Page 20: ...the time the BACnet Thermostat will hold an override temperature setpoint as the active setpoint At the end of the period the BACnet Thermostat will use either an occupied or unoccupied setpoint as th...

Page 21: ...ve Heating The O B output terminal is active on a call for heating Active Cooling The O B output terminal is active on a call for cooling Set up auxiliary heat Optional feature From the SYSTEM menu ch...

Page 22: ...ACnet Thermostat The Metric version displays temperature in Celsius and uses metric values for units of measure The English version displays temperature in Fahrenheit and uses English values for units...

Page 23: ...button is pushed BLANKING Choose one of the blanking options CLOCK An analog clock replaces the temperature and mode icons BACKLIGHT OFF The display brightness changes to the level set by DIM LEVEL af...

Page 24: ...nt Limits No cooling setpoint can be higher than any heating setpoint If a user is adjusting a setpoint and it comes with the range set by Minimum Setpoint Differential the corresponding setpoint will...

Page 25: ...or hot water systems Typically the BACnet Thermostat controls gas heat electric heat or direct expansion DX cooling with stage heating and cooling Staged cooling or heating can be mixed with a modula...

Page 26: ...he Discharge Air Temperature rises above the Discharge Air Temperature setpoint The Discharge Air Temperature setpoint resets between room temperature and the limit for minimum discharge air temperatu...

Page 27: ...when the BACnet Thermostat is connected to a network The remote temperature sensor RS is optional For single stage heating do not connect W2 For single stage cooling do not connect Y2 Connect outputs...

Page 28: ...ed to a network The outdoor air temperature sensor OAT is required for compressor lockout based on outside air temperature The remote temperature sensor RS is optional For single compressor installati...

Page 29: ...o set the following Device Instance MAC address Baud Use the following principles when wiring the BACnet Thermostat to an MS TP network Connect no more than 128 addressable BACnet devices to one MS TP...

Page 30: ...IO DAPPS www daikinac com 30 Notes...

Page 31: ...IO DAPPS www daikinac com 31 Notes...

Page 32: ...t incurring obligations Training and Development Now that you have made an investment in modern efficient Daikin equipment its care should be a high priority For training information on Daikin HVAC pr...

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