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TEC26x7-2 Series BACnet® MS/TP Networked Thermostats with Two Outputs Installation Instructions

Table 2: MS/TP Bus Objects (Part 1 of 4)

Point Name

Thermostat Point
(Type/Address)

Range

Room Temp

1, 2

AV 6

-40.0°F/-40.0°C to
122.0°F/50.0°F

Room Temp Override

BV 7

0 = Normal
1 = Override

Outdoor Temperature

3, 4

AV 8

-40.0°F/-40.0°C to
122.0°F/50.0°F

Sequence of Operation

MSV 39

1 = Cooling Only
2 = Heating Only
3 = Cooling and Reheat
4 = Heating and Reheat
5 = Cool/Heat Four-Pipe
6 = Cool/Heat Four-Pipe and Reheat

System Mode

MSV 13

1 = Off
2 = Cool
3 = Heat
4 = Auto

Occupancy

MSV 12

1 = Resume Schedule
2 = Occupied
3 = Unoccupied
4 = Temporary Occupied

PI Heating Demand

AV 54

0 to 100%

PI Cooling Demand

AV 55

0 to 100%

Supply Temperature

AI 11

-40.0°F/-40.0°C to
122.0°F/50.0°F

AUX (BO5) Status

BI 65

0 = Off
1 = On

AUX (BO5) Output

BV 47

0 = Off
1 = On

Heating (BO3 and BO4) Valve Status
(TEC2627-2 Model)

MSV 66

For On/Off Control:
1 = Open
2 = Closed
For Floating Control:
1 = Stopped
2 = Opening
3 = Closing

Figure 18: Wiring the TEC2647-2 Thermostat for Proportional Control

Two-Pipe Applications

Four-Pipe Applications

Heating/Cooling

Valve

24 V~

Com

24 V~

Hot

AO1

AO2

Cooling

Valve

Heating

Valve

24 V~

Com

24 V~

Hot

AO1

Содержание TEC2627-2

Страница 1: ...anual may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his her own expense Canada This Class A digital apparatus meets all the requirements of the Canadian Interference Causing Equipment Regulations Cet appareil numérique de la Class...

Страница 2: ...ions Note Be sure to position the thermostat mounting base so that the arrow on the base points upward to indicate the top of the thermostat 6 Drill a 3 16 in 5 mm hole at each of the two marked locations and tap nylon anchors included with the thermostat flush to the wall surface 7 Position the thermostat mounting base on the wall and use the two mounting screws included with the thermostat to se...

Страница 3: ...nnectors 5 Reattach the thermostat cover to the mounting base top side first 6 Use a Phillips head screwdriver to reinstall the security screw on the bottom of the thermostat cover CAUTION Risk of Electric Shock Disconnect the power supply before making electrical connections to avoid electric shock CAUTION Risk of Property Damage Do not apply power to the system before checking all wiring connect...

Страница 4: ...ote Override Filter Alarm Service Alarm Voltage Free Contact Remote NSB Motion Window Three Pole Right Top Connector 9 10 11 12 13 14 15 16 REF BO2 BO5 Aux BO5 Aux Scom BO1 AO1 UI3 BI1 BI2 BO3 Two Pole Left Top Connector 24 V Hot 24 V Com BO4 AO2 RS Same 24 VAC Power Source for Auxiliary Output 24 VAC Maximum Separate 24 VAC Power Source for Auxiliary Output 24 VAC Maximum BO5 Aux BO5 Aux 24 VAC T...

Страница 5: ...Thermostat for Proportional 0 to 10 VDC Control Pressure Dependent VAV Cooling Only Room Temperature Control Thermostat Minimum and Maximum Position Adjusted on Actuator Proportional Actuator FIG tec2647_clng_only 0 to 10 VDC UI3 COS 24 V Com 24 V Hot AO1 Figure 8 Wiring the TEC2627 2 Thermostat for Floating Control Pressure Dependent VAV Heating Cooling with Changeover FIG tec2627_htng_clng_chngv...

Страница 6: ...ng with Changeover and Reheat FIG tec2627_htng_clng_chngvr_rht Changeover Sensor Room Temperature Control Thermostat Minimum and Maximum Position Adjusted on Actuator Heating Cooling and On Off Duct Heater Floating Actuator Supply Air Temperature Sensor 1 C UI3 COS 24 V Com 24 V Hot BO1 Open BO2 Close BO5 Aux BO5 Aux Figure 11 Wiring the TEC2647 2 Thermostat for Proportional 0 to 10 VDC Control Pr...

Страница 7: ... TEC2647 2 Thermostat for Proportional 0 to 10 VDC Control Heating Cooling Hydronic Valve Control FIG tec2647_htng_clng_hdrnc Room Temperature Control Thermostat 0 to 10 VDC UI3 COS 24 V Com 24 V Hot AO1 Figure 14 Wiring the TEC2627 2 Thermostat for Floating Control Heating Cooling Hydronic Valve Control with Changeover FIG tec2627_htng_clng_hdrnc_chngvr Floating Heating Cooling Valve Optional Wat...

Страница 8: ...om Temperature Control Thermostat Supply Water Temperature Sensor 0 to 10 VDC UI3 COS 24 V Com 24 V Hot AO1 Figure 16 Wiring the TEC2627 2 Thermostat for On Off Control Two Pipe Applications Four Pipe Applications TEC2627onoff 24 V Com 24 V Hot or 24 V Com 24 V Hot Cooling Valve or Heating Valve or Figure 17 Wiring the TEC2627 2 Thermostat for Floating Control Two Pipe Applications Four Pipe Appli...

Страница 9: ... System Mode3 MSV 13 1 Off 2 Cool 3 Heat 4 Auto Occupancy3 MSV 12 1 Resume Schedule 2 Occupied 3 Unoccupied 4 Temporary Occupied PI Heating Demand5 AV 54 0 to 100 PI Cooling Demand5 AV 55 0 to 100 Supply Temperature5 AI 11 40 0 F 40 0 C to 122 0 F 50 0 F AUX BO5 Status5 BI 65 0 Off 1 On AUX BO5 Output3 BV 47 0 Off 1 On Heating BO3 and BO4 Valve Status TEC2627 2 Model 5 MSV 66 For On Off Control 1 ...

Страница 10: ...nt3 7 AV 49 40 0 F 4 5 C to 90 0 F 32 0 C Occupied Cool Setpoint3 7 AV 50 54 0 F 12 0 C to 100 0 F 37 5 C Unoccupied Heat Setpoint3 7 AV 51 40 0 F 4 5 C to 90 0 F 32 0 C Unoccupied Cool Setpoint3 7 AV 52 54 0 F 12 0 C to 100 0 F 37 5 C Keypad Lockout3 MSV 40 1 Level 0 2 Level 1 3 Level 2 4 Level 3 5 Level 4 6 Level 5 BI1 Configuration3 MSV 16 1 None 2 Rem NSB 3 Motion NO 4 Motion NC 5 Window BI2 C...

Страница 11: ...0 Hours 2 1 Hour 3 2 Hours 4 3 Hours 5 4 Hours 6 5 Hours 7 6 Hours 8 7 Hours 9 8 Hours 10 9 Hours 11 10 Hours 12 11 Hours 13 12 Hours 14 13 Hours 15 14 Hours 16 15 Hours 17 16 Hours 18 17 Hours 19 18 Hours 20 19 Hours 21 20 Hours 22 21 Hours 23 22 Hours 24 23 Hours 25 24 Hours Door Time3 MSV 31 1 1 Minute 2 2 Minutes 3 3 Minutes 4 4 Minutes 5 5 Minutes 6 6 Minutes 7 7 Minutes 8 8 Minutes 9 9 Minut...

Страница 12: ...ide object of Room Temp Override This corresponding override object needs to be set to 1 Override to be able to write Room Temp to a different value 2 This MS TP Bus object may automatically release after 10 minutes with no BACnet traffic 3 This MS TP Bus object is readable and writable 4 This MS TP Bus object is valid only if it is written via the network 5 This MS TP Bus object is readable only ...

Страница 13: ...the thermostat indicates the communications mode when the thermostat is operating The following blink codes may be seen Short Short Long Indicates that the baud rate is known and that communication is active Short Short Indicates that the thermostat is scanning for the correct baud rate and that there is no communication Off indicates that there is no power to the thermostat or that the MS TP wiri...

Страница 14: ...anged by writing a new one into the thermostat device object that should be done before any point objects are mapped Be sure that the ID of the new thermostat being added to the NAE matches that of the thermostat itself This number goes into the Instance Number field Network section Hardware tab of the Configure step in the Insert Field Device Wizard Adding Point Objects The required point objects...

Страница 15: ...he TEC26x7 2 Series Thermostats include a 2 line 8 character backlit display Low level backlighting is present during normal operation and it brightens when any user interface key is pressed The backlight returns to low level when the thermostat is left unattended for 45 seconds Light Emitting Diodes LEDs Two LEDs are included to call for heat or call for cooling The HEAT LED is on when heating or...

Страница 16: ...t the thermostat Each input can be configured to the Selection Options included in Table 5 Configuring the Output Options Out1Conf For applications that enable heating cooling operation from the same output choose the selection option 2 0 in the Out1Conf parameter For applications that enable heating cooling operation from different outputs choose the selection option 4 0 Configuring the Sequence ...

Страница 17: ...our Pipe See Figure 24 8 N O Heating 9 N C Heating 10 N O Cooling 11 N C Cooling 8 Open Heating 9 Closed Heating 10 Open Cooling 11 Closed Cooling 9 Proportional Heating 10 Proportional Cooling 5 Cool Heat Four Pipe and Reheat See Figure 25 6 and 7 Reheat 8 N O Heating 9 N C Heating 10 N O Cooling 11 N C Cooling 6 and 7 Reheat 8 Open Heating 9 Closed Heating 10 Open Cooling 11 Closed Cooling 6 and...

Страница 18: ...s Temperature Increase Increments of 1F 0 5C Heating Setpoint Device Closed Cooling Setpoint Device Opened FIG htng_clng Deadband On Off Floating or Proportional Outputs Heating Output Cooling Output Off Off On On Figure 25 Heating Cooling with Reheat Four Pipe Applications Temperature Increase Increments of 1F 0 5C Heating Setpoint Device Closed Device Closed Device Opened Cooling Setpoint Device...

Страница 19: ...at heating or cooling action when a window is open A Window alarm is displayed indicating that the window needs to be closed to resume heating or cooling These settings disable any local override function When this setting is selected the heating and or cooling outputs are enabled only when the contact is closed BI2 Configuration of Binary Input 2 Default None None No function is associated with a...

Страница 20: ...eters Default on off The scroll is inactive on The scroll is active C or F Provides temperature scale options for display Default F C Celsius scale F Fahrenheit scale Lockout Selectable Lockout Levels for limiting end user keypad interaction Default 0 Lockout Level Function Unoccupied Override Occupied Temperature Setpoints 0 Access Access 1 No Access Access 2 This lockout level is not used 3 This...

Страница 21: ...ue Default 80 0 F 26 5 C Range 54 0 F 12 0 C to 100 0 F 37 5 C Heat max Sets the Occupied and Unoccupied maximum Heating setpoint values Default 90 0 F 32 0 C Range 40 0 F 4 5 C to 90 0 F 32 0 C Cool min Sets the Occupied and Unoccupied minimum Cooling setpoint values Default 54 0 F 12 0 C Range 54 0 F 12 0 C to 100 0 F 37 5 C Set type Provides the option of temporarily changing the heating or coo...

Страница 22: ...ed the option functions like option 1 or 2 respectively FL time Sets the maximum actuator stroke timing floating ContrlTyp TEC2627 2 model Default 1 5 min Range 0 5 to 9 0 min adjustable in 0 5 minute increments Cph Sets the maximum number of cycles per hour on off CntrlTyp TEC2627 2 model Default 4 Range 3 to 8 cycles per hour RA DA Choice of reverse or direct acting analog output signal TEC2647 ...

Страница 23: ...ooting Details1 Part 1 of 2 Symptom Probable Causes Multiple Symptoms Excessive bus errors may be occurring A device may have been added or changed with a duplicate address may not be the same address as some devices having problems and may have happened sometime before the problem was noticed Wiring errors or wire problems may exist The baud rate may have been changed on some devices on the netwo...

Страница 24: ...accordance with the programmable Binary Input BI1 Table 7 Troubleshooting Details1 Part 2 of 2 Symptom Probable Causes TEC26x7 2 Series BACnet MS TP Networked Thermostats with Two Outputs Part 1 of 2 Power Requirements 19 to 30 VAC 50 60 Hz 2 VA Terminals 4 and 5 at 24 VAC Nominal Class 2 or Safety Extra Low Voltage SELV Relay Triac Contact Rating On Off and Floating Control 30 VAC 1 0 A Maximum 1...

Страница 25: ...XAPX7 Under CAN CSA C22 2 No 24 Temperature Indicating and Regulating Equipment Industry Canada ICES 003 Europe CE Mark EMC Directive 89 336 EEC Australia and New Zealand C Tick Mark Australia NZ Emissions Compliant Shipping Weight 0 75 lb 0 34 kg The performance specifications are nominal and conform to acceptable industry standards For application at conditions beyond these specifications consul...

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