Johnson Controls TEC3000 Series User manual
TEC3000 Series On/Off or Floating Fan
Coil Thermostats Installation Guide
Applications
The networked TEC3000 Series Thermostat Controllers are stand-alone and field-selectable
BACnet® MS/TP or N2 networked devices. Wireless networked models of the TEC3000 Series
Thermostat Controller are also available. On/Off or Floating Fan Coil and Individual Zone
Thermostat Controllers provide control of the following:
• Local hydronic reheat valves
• Pressure-dependent variable air volume (VAV) equipment with or without local reheat
• Two- or four-pipe fan coils
• Cabinet unit heaters
• Other individual zone equipment using an on/off or floating control input
The networked models feature a field-selectable Building Automation System (BAS) BACnet MS/
TP or N2 communication capability that enables remote monitoring and programming for efficient
space temperature control. The wireless models are compatible with the WNC1800/ZFR182x Pro
Series Wireless Field Bus System that enables communication with a building automation system
(BAS). All models include a USB port configuration that reduces installation time by allowing
simple backup and restore features from a USB drive, which enables rapid cloning of configuration
between like units.
Some models feature built-in occupancy sensing capability. These thermostat controllers maximize
up to 30% energy savings in high-energy usage commercial buildings, such as schools and hotels,
during occupied times by using additional standby setpoints.
All models feature an intuitive onboard touchscreen UI with backlit display that makes setup and
operation quick and easy. Multiple fan configurations are supported for fan coil equipment types,
as follows:
• 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
space humidity and activates dehumidification control as necessary. Heat and/or reheat is used as
required to maintain the space temperature. For optimal dehumidification performance, use a fan
coil unit that has a multi-speed or variable-speed fan (VSF).
Important: The TEC3000 Series Thermostat Controller is intended to provide an input to
equipment under normal operating conditions. Where failure or malfunction of the thermostat
controller could lead to personal injury or property damage to the controlled equipment or
other property, additional precautions must be designed into the control system. Incorporate
and maintain other devices, such as supervisory or alarm systems or safety or limit controls,
intended to warn of or protect against failure or malfunction of the thermostat controller.
TEC3012-1x-xxx, TEC3013-1x-xxx, TEC3310-1x-xxx,
TEC3313-1x-xxx, TEC3612-1x-xxx, TEC3613-1x-xxx
LIT-12013161
2019-08-20
Important: Le TEC3000 Series Thermostat Controller est destiné à transmettre des données
entrantes à un équipement dans des conditions normales de fonctionnement. Lorsqu'une
défaillance ou un dysfonctionnement du thermostat controller risque de provoquer des
blessures ou d'endommager l'équipement contrôlé ou un autre équipement, la conception
du système de contrôle doit intégrer des dispositifs de protection supplémentaires. Veiller
dans ce cas à intégrer de façon permanente d'autres dispositifs, tels que des systèmes
de supervision ou d'alarme, ou des dispositifs de sécurité ou de limitation, ayant une
fonction d'avertissement ou de protection en cas de défaillance ou de dysfonctionnement du
thermostat controller.
North American emissions compliance
United States
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 installed and used in accordance with the instructions,
may cause harmful interference to radio communications. However, there is no guarantee that
interference will not occur in a particular installation. If this equipment does cause harmful
interference to radio or television reception, which can be determined by turning the equipment
off and on, the user is encouraged to try to correct the interference by one or more of the following
measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit different from that to which the receiver is
connected.
• Consult the dealer or an experienced radio/TV technician for help.
Canada
This Class (B) digital apparatus meets all the requirements of the Canadian Interference-Causing
Equipment Regulations.
Cet appareil numérique de la Classe (B) respecte toutes les exigences du Règlement sur le matériel
brouilleur du Canada.
Installation
Parts included
• One TEC3000 Series Thermostat Controller with integral mounting base
• One installation guide
TEC3000 Series On/Off or Floating Fan Coil Thermostats Installation Guide2
Location considerations
For networked models, locate the TEC3000 Series Thermostat Controller:
• On a partitioning wall, approximately 5 ft (1.5 m) above the floor in a location of average
temperature, allowing for vertical air circulation to the TEC
• Away from direct sunlight, radiant heat, outside walls, outside doors, air discharge grills,
stairwells, and from behind doors
• Away from steam or water pipes, warm air stacks, unconditioned areas (not heated or cooled), or
sources of electrical interference
• In a clear path between the integrated passive infrared (PIR) occupancy sensor (if equipped) and
the space being monitored
For wireless models, also locate the thermostat controller:
• Outside of a recessed area, metal enclosure, or shelving unit
• On the same building level as the other wireless devices on the same personal area network
(PAN)
• At least 2 in. (51 mm) away from any metal obstruction
• In the direct line of sight to other wireless devices on the same PAN. Signal transmission is best
if the path between the TEC3000 and other wireless devices is direct as possible. Line of sight is
desirable but not required. See Table 1 for recommended and maximum distances.
• Away from metal and large solid obstructions (including equipment rooms and elevator shafts
and concrete or brick walls) between the TEC3000 and the ZFR Pro Router/Repeater or ZFR Pro
Coordinator Radio
• Within range of two or more wireless devices on the same PAN. Redundancy in the layout
provides the best reliability in wireless installations
• At least 20 ft (6 m) from a microwave oven
For integrated PIR models, be sure that the thermostat controller is located centrally, where
occupant movement is frequent. Ensure that the unit is not blocked by a plastic tamper resistant
enclosure (such as the GRD10A-608). The plastic enclosure blocks the occupancy sensing capability.
The use of insulating foam pads is required for installations where wiring passes through the wall
to the thermostat.
For wireless models, the effective transmission range and distance for indoor applications vary
because of wireless signal absorption and reflection due to metal obstructions, walls or floors, and
furniture found in typical building interiors.
Table 1: Indoor line-of-sight transmission ranges
Range type Transmission distance
WNC Coordinator Radio, ZFR
Pro Repeater
TEC3000 Wireless Thermostat
Controller
Recommended 50 ft (15.2 m) 50 ft (15.2 m)
Line of sight, maximum 250 ft (76.2 m) 100 ft (30 m)
Note:
• Allow for sufficient clearance to insert a USB drive into the USB port
3TEC3000 Series On/Off or Floating Fan Coil Thermostats Installation Guide
• For more details on using ZFR Pro Series communication devices, refer to the WNC1800/
ZFR182x Pro Series Wireless Field Bus System Technical Bulletin (LIT-12012356).
Important: Only connect memory devices to the USB port. Do not use it for charging external
devices.
Figure 1: Thermostat controller shown without occupancy sensor, dimensions, in. (mm)
Table 2: Thermostat controller features
Callout Description
1 Security Screw
2 Display
3 USB Port
Installing the thermostat controller
1. Use a 1/16 in. (1.5 mm) Allen wrench or Johnson Controls® T-4000-119 Allen-Head Adjustment
Tool (order separately) to remove the security screw if it is installed on the top of the
thermostat controller cover as illustrated in Figure 2.
2. Pull the top edge of the cover and open the thermostat controller as illustrated in Figure 2.
Important: The cover is not secured on the bottom. Be careful not to drop the cover.
Important: If you install more than one thermostat controller, keep track of which cover
attaches to which base. The controller version and the base version must match to ensure
proper operation.
Important: Use proper Electrostatic Discharge (ESD) precautions during installation and
servicing to avoid damage to the electronic circuits of the thermostat controller.
TEC3000 Series On/Off or Floating Fan Coil Thermostats Installation Guide4
Figure 2: Removing the security screw from the thermostat controller cover (shown without
occupancy sensor) (left) and removing the thermostat controller cover (right)
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. See Figure 3.
Note:
- If you need to install the thermostat controller on an electrical junction box, use 2-1/2 in.
x 4 in. (63 mm x 101 mm) square boxes with mud ring covers and avoid smaller 1-1/2 in.
x 4 in.(38 mm x 101 mm) square or 3 in. x 2 in. (76 mm x 51 mm) boxes. This procedure
ensures that you have enough space for cabling, if needed.
- For surface-mounted applications, use durable mounting hardware, such as wall
anchors, that cannot be easily pulled out of the mounting surface.
4. Pull approximately 6 in. (152 mm) of wire from the wall and insert the wire through the center
hole in the thermostat controller mounting base. See Figure 3.
5. Secure the mounting base to the wall surface using two mounting screws (user supplied) as
illustrated in Figure 3.
Note: Be careful not to overtighten the mounting screws.
5TEC3000 Series On/Off or Floating Fan Coil Thermostats Installation Guide
Figure 3: Mounting hole locations, dimensions, in. (mm) (left) andsecuring the thermostat
controller mounting base to the wall (right)
Note: When the unit is mounted on the wall, you can hang the front cover on the end of the
back cover as illustrated in Figure 4.
Figure 4: Hanging the thermostat controller front cover
Wiring
About this task:
When an existing thermostat controller is replaced, remove and label the wires to identify the ter-
minal functions.
TEC3000 Series On/Off or Floating Fan Coil Thermostats Installation Guide6
CAUTION
Risk of Electric Shock
Disconnect the power supply before making electrical connections to avoid electric shock.
ATTENTION
Risque de décharge électrique
Débrancher l'alimentation avant de réaliser tout raccordement électrique afin d'éviter tout risque de
décharge électrique.
NOTICE
Risk of Property Damage
Do not apply power to the system before checking all wiring connections. Short circuited or improperly
connected wires may result in permanent damage to the equipment.
AVIS
Risque de dégâts matériels
Ne pas mettre le système sous tension avant d'avoir vérifié tous les raccords de câblage. Des fils
formant un court-circuit ou connectés de façon incorrecte risquent d'endommager irrémédiablement
l'équipement.
Important: Make all wiring connections in accordance with local, national, and regional
regulations. Do not exceed the electrical ratings of the TEC3000 Series Thermostat Controller.
Important: Use proper ESD precautions during installation and servicing to avoid damage to
the electronic circuits of the thermostat controller.
To wire the thermostat controller, complete the following steps:
1. Strip the ends of each wire 1/4 in. (6 mm) and connect them to the appropriate screw terminals
as indicated in Table 4.
Note: For more details on wiring the MS/TP Communications Bus, refer to the MS/TP
Communications Bus Technical Bulletin (LIT-12011034).
2. Attach the communication wires to the terminal block.
Note: If you insert multiple wires into the terminals, properly twist the wires together before
inserting them into the terminal connectors.
3. Carefully push any excess wire back into the wall.
7TEC3000 Series On/Off or Floating Fan Coil Thermostats Installation Guide
Note: Seal the hole in the wall with fireproof material to prevent drafts from affecting the
ambient temperature readings.
4. For networked models, set the bus end-of-line (EOL) termination switch to the desired location.
The bus 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 the ON position.
Figure 5: EOL switch position (left) and installing the thermostat controller cover (right)
5. Reattach the thermostat controller cover to the mounting base (bottom side first).
Important: Make sure you reattach the cover that corresponds to its correct base. The CPU
board number needs to match the base board number. Otherwise, an operation error occurs
after you reattach a cover and base that do not belong together (as shown in the following
figure). See the following table for TEC3000 model names and code numbers.
TEC3000 Series On/Off or Floating Fan Coil Thermostats Installation Guide8
Figure 6: Error code indicating mismatched boards
Table 3: TEC3000 model names and code numbers
Name
1Code number1Name Code number1
TEC3012 22 TEC3323 07
TEC3013 23 TEC3330 08
TEC3022 26 TEC3331 09
TEC3023 27 TEC3612 0C
TEC3030 28 TEC3613 0D
TEC3031 29 TEC3622 10
TEC3312 02 TEC3623 11
TEC3313 03 TEC3630 12
TEC3322 06 TEC3631 13
1 The two-character code number is listed within the error code to indicate that the CPU board and base board do not
belong together. However, if the same code number appears as both the CPU board and base board, there is no error.
For example, if 0C is listed as the CPU board and the base board, the model is the TEC3612.
6. Use a 1/16 in. (1.5 mm) Allen wrench or Johnson Controls T-4000-119 Allen-Head Adjustment
Tool (order separately) to reinstall the security screw on the top of the thermostat controller
cover. See Figure 2 for security screw placement.
7. Remove the protective plastic cover sheet from the display.
Important: If the display is dirty, gently wipe it clean with isopropyl alcohol or ethyl alcohol.
Do not scrub hard as to avoid damaging the surface. Do not use other cleaners such as water,
ketones, and aromatic solvents, since they may damage the polarizer.
Note:
- For VAV and two-pipe systems, connect the valve to the heating output.
- Only one transformer is required for each TEC.
- Power to the AUX contact comes from the reheat coil.
See Figure 8Figure 8, Figure 9, and Figure 10 for wiring diagrams. See the following table for termi-
nal identification.
9TEC3000 Series On/Off or Floating Fan Coil Thermostats Installation Guide
Table 4: Terminal identification
Function
Terminal label
1TEC3012, TEC3013
Floating FC/VAV and
On/Off FC1
TEC3312, TEC3313
Floating FC/VAV and
On/Off FC1
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
2HC/TRI2Cool or heat valve output common
COM 24 VAC common from transformer
CLG O Cool open (Floating), Cooling NC (On/Off), Triac
CLG C Cool close (Floating), Cooling NO (On/Off), Triac
HTG O Heat open (Floating), Heating NC (On/Off), Triac
HTG C Heat close (Floating), Heating NO (On/Off), Triac
RSEN Configurable analog input 1
COS Configurable analog input 2/Changeover binary switch input
VSF Variable speed fan command (configurable 0 to 10 V range)
BI-2 Configurable binary input 2
BI-1 Configurable binary input 1
NET+ N/A Not connected Field bus+/N2+
NET- N/A Not connected Field bus-/N2-
NET COM N/A Not connected Isolated common for
field bus
1 There is no support for an On and Off VAV.
2 HC/TRI on TB1 must be jumpered to COM on TB2 for low-side switching or to 24 VAC on TB2 for high-side switching.
TEC3000 Series On/Off or Floating Fan Coil Thermostats Installation Guide10
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