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Johnson Controls TEC3620 Series Installation & Operation Manual Download Page 33

FlexSys

 Thermostat Zone Controller / LCD Touch Screen

TEC - 3620

Model:

©2016 Johnson Controls   |   The performance specifications are nominal and conform to acceptable industry standards. For applications at conditions beyond these specifications, consult the local           

                                                Johnson Controls office. Johnson Controls, Inc. shall not be liable for damages resulting from misapplication or misuse of its products.

© 2016 AirFixture, LLC

33

Installation / Operation Manual

V160919

TEC3000 Series On/Off or Floating Fan Coil and Zoning Thermostat Controllers with Dehumidification

Capability Installation Instructions

Troubleshooting           

Table 8:  Fault List  (Part 1 of 2)

Faults

Probable Causes

Solutions

Remote Zone Temp Fail

The External Zone Temperature 

sensor has been disconnected or has 

failed.

1. Check the wiring of the sensor.
2. If intentionally disconnected, reset sensors 

through the menu.

3. If the problem persists, contact Johnson 

Controls product sales and support.

Supply Temp Fail

The External Supply Temperature 

sensor has been disconnected or has 

failed.

1. Check the wiring of the sensor.
2. If intentionally disconnected, reset sensors 

through the menu.

3. If the problem persists, contact Johnson 

Controls product sales and support.

Internal Sensor Fail

An internal sensor has failed on the 

TEC.

Contact Johnson Controls product sales and 

support.

Dehum Unavailable

Dehumidification is unavailable 

because the zone humidity sensor has 

failed.

Replace the thermostat controller.

Service

Equipment connected to the BI 

configured for a Service alarm is 

triggering the alarm.

Service the equipment per the manufacturer's 

recommendation.

Dirty Filter

Equipment connected to the BI 

configured for a Dirty Filter alarm is 

triggering the alarm.

Replace the filter in the equipment per the 

manufacturer's instructions.

Calibration Corrupt

Factory calibration data is lost or is not 

installed.

Contact Johnson Controls product sales and 

support.

Changeover Fail

The Supply Temperature Sensor is not 

installed, has failed, or has been 

disconnected and the TEC can no 

longer detect changeover mode to cool 

or heat.

Follow the same steps as Supply Temp Fail 

alarm.

Zone Temp Unreliable

All sources of zone temperature are 

unreliable, including the onboard 

sensor.

Contact Johnson Controls product sales and 

support

Open Window

The switch connected to the BI 

configured for Open Window is sensing 

that the window is opened, and control 

has shut down.

1. Close the window to resume control.
2. Check sensor functionality with an ohmmeter, 

and verify the wiring to the TEC.

3. Contact Johnson Controls product sales and 

support if the fault continues to occur.

Fan Lock

The switch connected to the BI 

configured for Fan Lock did not sense 

airflow within 10 seconds of starting the 

fan, and control has been shut down.

1. Inspect equipment to ensure fan functions.
2. Check sensor functionality with an ohmmeter, 

and verify wiring to the TEC.

3. Reset fault by entering the menu, selecting 

Fault Status, and selecting the Fan Lock.

4. If problems persist, contact Johnson Controls 

product sales and support.

Humidity Unreliable

The zone humidity reading was reliable 

and has now failed.

1. If the source of zone humidity was the 

onboard sensor, contact Johnson Controls 

product sales and support.

2. If the source of zone humidity was a BAS, 

check the BAS to ensure th

at it is still online 

and providing the TEC with the humidity 

reading. If removal of the BAS mapping was 

intentional, reset sensors through the menu.

Summary of Contents for TEC3620 Series

Page 1: ...s setup and operation quick and easy Multiple fan configurations are supported for fan coil equipment types single speed multi speed two or three discrete speeds variable speed EC motors 0 to 10 VDC control Some models support dehumidification on two pipe fan coil units with reheat and four pipe fan coil units with or without reheat When no heating is required the thermostat controller monitors sp...

Page 2: ...w for sufficient clearance to insert a USB drive into the USB port This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not in...

Page 3: ...e 3 3 Align the thermostat controller mounting base on the wall with the security screw on the top and use the base as a template to mark the two mounting hole locations Note If you need to install the thermostat controller on an electrical junction box use 2 1 2 x 4 in 63 x 101 mm square boxes with mud ring covers and avoid smaller 1 1 2 x 4 in 38 x 101 mm square or 3 x 2 in 76 x 51 mm boxes This...

Page 4: ...ds of each wire 1 4 in 6 mm and connect them to the appropriate screw terminals as indicated in Table 2 and Figure 10 or Figure 11 Note For more details on wiring the MS TP Communications Bus refer to the MS TP Communications Bus Technical Bulletin LIT 12011034 Figure 5 Securing the Thermostat Controller Mounting Base to the Wall FIG TEC Backplane1 CAUTION Risk of Electric Shock Disconnect the pow...

Page 5: ...rting them into the terminal connectors 4 Set the bus end of line termination switch to the desired location The bus end of line EOL termination switch allows you to designate the thermostat controller as the end of the Field Controller FC Bus and N2 Bus The default position is OFF If the thermostat controller is at the end of a daisy chain of devices on the FC Bus and N2 Bus set the EOL switch to...

Page 6: ...len Head Adjustment Tool order separately to reinstall the security screw on the top of the thermostat controller cover 7 Remove the protective plastic cover sheet from the display Table 1 TEC3000 Model Names and Code Numbers Name Code Number Name Code Number TEC3310 00 TEC3610 0A TEC3311 01 TEC3611 0B TEC3312 02 TEC3612 0C TEC3313 03 TEC3613 0D TEC3320 04 TEC3620 0E TEC3321 05 TEC3621 0F TEC3322 ...

Page 7: ...Label Function TEC3310 TEC3311 TEC3312 TEC3313 Floating FC VAV and On Off FC1 TEC3610 TEC3611 TEC3612 TEC3613 Floating FC VAV and On Off FC1 24 V 24 VAC hot from transformer FAN H Fan high FAN M Fan medium FAN L Fan on single speed variable speed Fan low multi speed AUX Auxiliary binary output AUX Auxiliary power COM 24 VAC common from transformer CLG O Cool open Floating Cooling NC On Off CLG C C...

Page 8: ...tion Operation Manual V160919 TEC3000 Series On Off or Floating Fan Coil and Zoning Thermostat Controllers with Dehumidification Capability Installation Instructions 8 Note VAV and 2 pipe systems should connect their valve to the heating output Figure 10 On Off Wiring Diagram See Table 2 for Terminal Identification 24 V High Med FAN H AUX TB1 CLG C Low Fan on Fan Common Hot Heating Common Hot FAN ...

Page 9: ...stallation Operation Manual V160919 TEC3000 Series On Off or Floating Fan Coil and Zoning Thermostat Controllers with Dehumidification Capability Installation Instructions Note VAV and 2 pipe systems should connect their valve to the heating output Figure 11 Floating Wiring Diagram See Table 2 for Terminal Identification 24 V High Med FAN H AUX TB1 CLG C Low Fan on Fan Heating FAN M FAN L AUX FIG ...

Page 10: ...eating output Figure 12 Floating Control Pressure Dependent VAV Room Temperature Control Thermostat Minimum and Maximum Position Adjusted on Actuator Floating Actuator COS COM 24V HTG O HTG C FIG model_1_clng_only Figure 13 Floating Control Pressure Dependent VAV with Changeover Sensor Switch FIG model_1_htng_clng_chngvr Changeover Sensor Room Temperature Control Thermostat Minimum and Maximum Pos...

Page 11: ...on Instructions Note VAV and 2 pipe systems should connect their valve to the heating output Figure 15 Floating Control Two Pipe Heating and Cooling Hydronic Valve Control Fan Coil Application FIG model_1_htng_clng_hdrnc Room Temperature Control Thermostat COS COM 24V HTG O HTG C Figure 16 Floating Control Two Pipe Heating and Cooling Hydronic Valve Control with Changeover Fan Coil Application FIG...

Page 12: ...cation or misuse of its products 2016 AirFixture LLC 12 Installation Operation Manual V160919 TEC3000 Series On Off or Floating Fan Coil and Zoning Thermostat Controllers with Dehumidification Capability Installation Instructions Note VAV and 2 pipe systems should connect their valve to the heating output Figure 18 Floating Control Floating Two Pipe and Four Pipe Fan Coil Applications Two Pipe App...

Page 13: ...ings 3 Enable or disable elements of the home screen as appropriate for the building owner and occupants 4 Set the passcode on the thermostat controller to prevent the occupants from changing settings that they should not have access to change UI Icons Table 3 describes the home screen touchable icons Press and release a UI icon to activate the TEC Additional touchable icons appear based on the me...

Page 14: ...Press Update 5 Press Backup A message appears stating that the file will be saved to a USB drive 6 Press Confirm if you have the correct firmware version The firmware is loaded onto the USB drive 7 After the firmware is loaded onto the USB drive remove the USB drive from the TEC3000 Restoring the Settings 1 Ensure the TEC screen is on 2 Insert the USB drive into the right side of the TEC See Figur...

Page 15: ...uration Menu The thermostat controller comes from the factory with default settings for all configuration parameters The UI menu navigation and default settings are shown in Table 6 Before any outputs turn on the controller must be configured for the equipment connected to it You need to start from the home screen to perform any of the following tasks Screen Reset The current screen returns to the...

Page 16: ...tup 3 Press Supply Fan 4 Press Medium Speed On Cmd and adjust accordingly 5 Press High Speed On Cmd and adjust accordingly 6 Press to save and to return to the previous screen For VSF control the output is configurable for any range between 0 V and 10 V The parameters are Start Voltage Full Speed Voltage and Minimum Command Start Voltage is the voltage output at which the fan begins running and Fu...

Page 17: ... General 4 Press Fan Mode and select On Auto or Smart 5 Press to save and to return to the previous screen Changeover Pressure Dependent VAV systems and 2 pipe fan coils require changeover detection in order to switch seasonal operation between heating and cooling modes The TEC supports the following methods for changeover automatic changeover using an analog sensor thermistor automatic changeover...

Page 18: ... return to the previous screen This point is also exposed to the BAS through the point DEHUM EN To adjust the dehumidification setpoint 1 Press the Menu icon 2 Press Setpoints 3 Press Dehumidification and adjust accordingly 4 Press to save and to return to the previous screen This point is also exposed to the BAS through the point DEHUM SP Temperature Setpoints The thermostat controller provides a...

Page 19: ...ncy source from To select the schedule source 1 Press the Menu icon 2 Press Schedule 3 Press Schedule Options 4 Press Schedule Source and select Local or BAS Table 4 Occupancy Determination Effective Occupancy Criteria Occupancy Source Occupancy Status Manual Occupancy Mode Occupancy BI Temporary Occupancy Occupancy Schedule Local or BAS Motion Sensor Occ Override Occupied Override Occupied Unoccu...

Page 20: ...ncy source If that schedule is not set the default occupancy is continuously occupied Setting the local schedule A weekly occupancy schedule with up to four occupancy events per day can be set locally on the TEC and operate independently of a supervisor To set the schedule 1 See Selecting Schedule Source to ensure the schedule source is set to Local 2 Press the Menu icon 3 Press Schedule 4 Press S...

Page 21: ...nu icon 2 Press Schedule 3 Press Schedule Options 4 Press Manual Occupancy Mode and select Occupied Unoccupied or No Override 5 Press to save and to return to the previous screen This option is also exposed to the BAS through the point OCCOVRD MODE Enabling Optimal Start The TEC supports an advanced optimal start algorithm The algorithm works in conjunction with a local schedule to pre heat or pre...

Page 22: ...uously tunes the controller parameters to automatically optimize the control performance to match the equipment and zone By default PRAC is enabled and immediately begins to tune To reset tuning at any time to the factory defaults 1 Press the Menu icon 2 Press Control Setup 3 Press General 4 Press Reset PID Tuning and select Yes 5 Press to save and to return to the previous screen PRAC automatic t...

Page 23: ...Reheat installed parameter is set to True the Aux output is used for Reheat Output The setting for the Aux Mode is ignored when reheat is enabled Commissioning Mode The thermostat controller has a built in commissioning mode designed to allow you to quickly test equipment wiring and functionality Commissioning mode temporarily disables the control logic allowing you to manually command any individ...

Page 24: ...iority connected input internal sensors followed by remote sensors and then network overrides for control and display Not all sources are available for all sensors Network overrides operate on a timeout basis When a network point is written to by a supervisor the point activates an override for 15 minutes If a new update is written within 15 minutes the timer is restarted for another 15 minutes Me...

Page 25: ... Instructions 25 Display Settings Passcode Enable No Yes or No Passcode NA 0000 to 9999 Passcode Enable Yes Brightness Setting 8 0 to 10 most dim to brightest Enable Backlight Timeout Yes Yes or No Units IP IP or SI Time N A Time Zone Central Many options Set Time Format 24 hour 24 hour or 12 hour Date N A Set Date Format YYYY MM DD YYYY MM DD or Day Month DD YYYY or MM DD YYYY Show Fan Icon Yes Y...

Page 26: ...o Reset PID Tuning No Yes or No Auto PID Tuning Enable Yes Yes or No Dehumidification Enable No Yes or No Fan coil units with humidity sensor Aux Mode Not Used Not Used Occupied NO Occupied NC Occupied Fan NO Occupied Fan NC On Off Inputs BI1 Configuration Disabled Disabled Occupancy Occupancy Override Remote PIR Dirty Filter Service Fan Lock Open Door Open Window BI2 Configuration Disabled Disabl...

Page 27: ...dress 1 1 to 255 N2 communication mode BACnet Device Address 4 4 to 127 BACnet MSTP communication mode MSTP Baud Rate Auto Auto 1200 9600 19200 38400 76800 BACnet MSTP communication mode BACnet Encoding Type BACnet MSTP Communication Mode ISO 10646 UCS 2 ISO 10646 UCS 2 ANSI X3 4 US ASCII Equipment Setup General Unit Type 4 Pipe 2 Pipe 4 Pipe VAV Heating Cooling Device Type Floating On Off Floatin...

Page 28: ...Fan coil units only variable speed fan Med Fan Speed On Cmd 33 0 to 100 Fan coil units only multi speed fan High Fan Speed On Cmd 66 0 to 100 Fan coil units only multi speed fan Reheat Reheat Installed False True or False When set to True the Aux Output is used for Reheat Output Reheat Min Damper Position 20 0 to 100 VAV units with reheat installed Reheat Fan Required No Yes or No Fan coil units w...

Page 29: ...nreliable Temperature Dehumidification Idle Cooling Heating Cooling Unavailable Heating Unavailable Cooling Unavailable due to Changeover Cooling Unavailable due to OA Temp Cooling Unavailable due to Control Mode Heating Unavailable due to Changeover Heating Unavailable due to OA Temp Heating Unavailable due to Control Mode Supply Air Temperature 75 F 50 to 250 F 45 to 121 C Changeover State Chang...

Page 30: ...stat Controllers with Dehumidification Capability Installation Instructions Commissioning Supply Air Temperature Display Current Temperature Heat Command 0 0 to 100 Cool Command 0 0 to 100 Supply Fan No Yes or No Aux No Yes or No Update View Version 1 0 0 1067 Current Release of Software Load Firmware Attempting to access USB File List from USB drive Restore Local Storage File List from USB drive1...

Page 31: ...m Adjustable1 8 in 203 mm TE 6311A 1 Averaging 8 ft 2 4 m TE 6315M 1 TE 6315V 21 17 ft 5 2 m TE 6316M 1 TE 6316V 21 Duct 4 in 102 mm TE 631GM 1 8 in 203 mm TE 6311M 1 TE 6311P 1 18 in 457 mm TE 631JM 1 Flange 4 in 102 mm TE 631GV 2 8 in 203 mm TE 6311V 2 Flush N A TE 6310F 0 TE 6310F 1 Outside air 3 in 76 mm TE 6313P 1 Strap mount 3 in 76 mm TE 631S 1 Wall2 N A TE 6314P 1 Well 6 in 152 mm TE 631AM...

Page 32: ...lange 4 in 102 mm TE 634GV 2 8 in 203 mm TE 6341V 2 Outside air 3 in 76 mm TE 6343P 1 Wall2 N A TE 6344P 1 Well 8 in 203 mm TE 6342M 1 6 in 152 mm TE 634AM 2 Thermistor 10k ohm Type II Adjustable 8 in 203 mm TE 6361A 1 Duct 4 in 102 mm TE 636GM 1 8 in 203 mm TE 6361M 1 TE 6361P 1 18 in 457 mm TE 636JM 1 Flange 4 in 102 mm TE 636GV 2 8 in 203 mm TE 6361V 2 Flush N A TE 6360F 0 TE 6360F 1 Outside ai...

Page 33: ...ipment connected to the BI configured for a Dirty Filter alarm is triggering the alarm Replace the filter in the equipment per the manufacturer s instructions Calibration Corrupt Factory calibration data is lost or is not installed Contact Johnson Controls product sales and support Changeover Fail The Supply Temperature Sensor is not installed has failed or has been disconnected and the TEC can no...

Page 34: ...e Causes Solutions The controller displays Idle with a Unit Status of Cooling Unavailable due to Changeover despite being above cooling setpoint or with a status of Heating Unavailable due to Changeover despite being below the setpoint The 2 pipe fan coil VAV system does not have a changeover sensor and switch connected or the sensor switch has failed 1 Check the wiring of the supply temperature s...

Page 35: ...imes and is set incorrectly for the equipment zone or user preference There is a tradeoff between reduced control band size and increased energy usage and equipment wear from increased cycling 1 To tighten the control band reduce the minimum on off time settings Minimal control band is achieved with a 60 second minimum on off time 2 To loosen the control band increase the minimum on off time setti...

Page 36: ...ds to incorrectly identify themselves Contact Johnson Controls product sales and support The controller displays Controller Fault An internal fault was detected and the controller was unable to recover Contact Johnson Controls product sales and support The Bell icon is displayed on the TEC home page The fault has been detected on the TEC See Table 8 for TEC fault causes and resolution Partial Rest...

Page 37: ...aximum per Network Automation Engine NAE 4 000 ft 1 219 m maximum cable length Temperature Range Backlit Display 40 0 F 40 0 C to 122 0 F 50 0 C in 0 5 increments Heating Control 40 0 F 4 5 C to 90 0 F 32 0 C Cooling Control 54 0 F 12 0 C to 100 0 F 38 0 C Accuracy Temperature 0 9F 0 5C at 70 0 F 21 0 C typical calibrated Humidity 5 RH from 20 to 80 RH at 50 to 90 F 10 to 32 C Minimum Deadband 2F ...

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