background image

TEC2245-4 L

ON

W

ORKS

® Network Thermostat Controller with Single Proportional Output and One-Speed

Fan Control Installation Instructions

7

Backlit Liquid Crystal Display LCD

The TEC2245-4 Thermostat Controller includes 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 
controller is left unattended for 45 seconds.

Light-Emitting Diodes (LEDs)

Three LEDs are included to indicate the fan status, call 
for heat, or call for cooling:

The fan LED 

 is on when the fan is on.

The heat LED 

 is on when heating is on.

The cool LED 

 is on when cooling is on.

Status Display Menu

The Status Display Menu is displayed during normal 
thermostat controller operation. This menu 
continuously scrolls through the following parameters:

Room Temperature

System Mode

Occupancy Status (Occupied/Unoccupied/
Override)

Applicable Alarms (The backlight lights up as an 
alarm condition is displayed.)

Note:

An option is available within the Installer 

Configuration Menu to lock out the scrolling display and 
show only the 

Room Temperature

 parameter.

Status LED

The status LED shows the operational status of the 
thermostat controller. See Table 2. The Status LED is a 
small green light under the thermostat controller cover 
(under the L

ON

W

ORKS

 daughter board on the left edge 

when facing the thermostat controller).  

Configuring the TEC2245-4 Thermostat 
Controller

The TEC2245-4 Thermostat Controller ships from the 
factory with default settings for all configurable 
parameters. The default settings are shown in Table 4
To reconfigure the parameters via the thermostat 
controller, follow the steps in this section.

1.

To access the Installer Configuration Menu, press 
and hold the 

OVERRIDE

 key for approximately 

8 seconds.

Note:

If the 

Password

 parameter is configured, 

Password 0 appears on the thermostat controller 
display indicating that the configured password is 
required to proceed. Use the 

UP/DOWN

 arrow 

keys to indicate the configured password, then 
press the 

MODE

 key to proceed through the 

Installer Configuration Menu parameters.

2.

Once the Installer Configuration Menu begins, 
press and release the 

OVERRIDE

 key to scroll 

through the parameters listed in Table 4.

3.

When the desired parameter is displayed, use the 

UP/DOWN

 arrow keys to choose the desired 

selection option.

4.

Press and release the 

OVERRIDE

 key to continue 

scrolling through the parameters.

Note:

Pressing the 

FAN

 key during configuration 

restarts the list of displayed parameters at the first 
parameter listed in Table 4.

When the thermostat controller is in the Installer 
Configuration Menu and left unattended for 
approximately 8 seconds, the thermostat controller 
reverts to the Status Display Menu.

For additional information on commissioning and 
configuring thermostat controllers, adding thermostat 
controllers to a Network Automation Engine (NAE), 
thermostat controller mapping, and remote thermostat 
commanding, refer to the 

TEC2245-4 L

ON

W

ORKS

® 

Network Thermostat Controller with Single Proportional 
Output and One-Speed Fan Control

 

Technical Bulletin

 

(LIT-12011613)

.

Configuring the Thermostat Controller’s Neuron® 
Identification

Press and hold the 

UP/DOWN

 arrow keys 

simultaneously for 5 seconds to broadcast the 
thermostat controller’s Neuron Identification on the 
L

ON

W

ORKS

 network. 

If the cover is removed, you can see a green LED 
under the LON board flash when the thermostat 
controller broadcasts the Neuron ID. The Neuron ID is 
on a label on the Echelon

®

 chip.

Table 2:  Status LED Explanation

Status LED 
Condition

Explanation

Continuously 
On

The thermostat controller does not have 
an application loaded in its memory.

Flashing at a 
0.5 Hz Rate

The thermostat controller has an 
application loaded in its memory but is 
not configured. Use a L

ON

W

ORKS

 

network management tool to bind the 
thermostat controller to a L

ON

W

ORKS

 

network.

Continuously 
Off

The thermostat controller has an 
application loaded in its memory and is 
bound to a L

ON

W

ORKS

 network.

Содержание TEC2245-4

Страница 1: ...tion to the TEC2245 4 Thermostat Controller IMPORTANT The TEC2245 4 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 an...

Страница 2: ...e thermostat controller mounting base so that the arrow on the base points upward to indicate the top of the thermostat controller Note If you need to install the thermostat 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 or 3 x 2 in 76 x 51 mm square boxes This procedure ensures that you have enough space for ...

Страница 3: ...e screw terminal blocks onto the PCB 4 Reattach the LONWORKS communication wires to the LON terminal block Note If inserting multiple wires into the terminals be sure to properly twist wires together prior to inserting them in the terminal connectors 5 Reattach the thermostat controller cover to the mounting base top side first 6 Use a Phillips head screwdriver to reinstall the security screw on t...

Страница 4: ...abel Function 1 Not used N A 2 Not used N A 3 Fan Fan 4 24V Hot 24 VAC from Transformer 5 24V Common 24 VAC Common from Transformer 6 BO5 Aux BO5 Auxiliary Output 7 BO5 Aux BO5 Auxiliary Output 8 N A N A 9 Not used N A 10 AO1 Cool 11 Not used N A 12 BI1 Configurable Binary Input 1 13 RS Remote Sensor 14 Scom Sensor Common 15 BI2 Configurable Binary Input 2 16 UI3 COS COC SS Not labeled N A LON Net...

Страница 5: ... Fan BO5 Aux BO5 Aux 24 VAC Thermostat Power Fan 24 V Com 0 to 10 VDC 24 VAC Com Analog Output and Valve 24 V Hot AO1 Fan Power and Fan Aux Load BI2 UI3 BI1 Scom OR Remote Inputs SS Supply Sensor COS Change Over Sensor Voltage Free Contact COC NH Normally Heat Closed Contact Cold Water COC NC Normally Cool Closed Contact Hot Water Voltage Free Contact Door Remote Override Filter Alarm Service Alar...

Страница 6: ...ated at the physical end of a LONWORKS network segment unless a terminator is attached Refer to LONWORKS Network Layout Technical Bulletin LIT 1162150 for end of line solutions Setup and Adjustments Thermostat Controller User Interface Keys The TEC2245 4 Thermostat Controller UI consists of five keys on the front cover Figure 7 The function of each key is as follows MODE key toggles among the syst...

Страница 7: ...controller display indicating that the configured password is required to proceed Use the UP DOWN arrow keys to indicate the configured password then press the MODE key to proceed through the Installer Configuration Menu parameters 2 Once the Installer Configuration Menu begins press and release the OVERRIDE key to scroll through the parameters listed in Table 4 3 When the desired parameter is dis...

Страница 8: ...ose 0 Cooling Only Changeover occurs between Cooling Only and Heating Only Table 3 Selection Options for Sequence of Operation Selection Option Control Curve Terminal Numbers Used See Table 1 and Figure 6 0 Cooling Only See Figure 8 10 Proportional Cooling 1 Heating Only See Figure 9 10 Proportional Heating 2 Cooling and Reheat See Figure 10 6 and 7 Reheat 10 Proportional Cooling 3 Heating and Reh...

Страница 9: ...larm 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 If the fan is set to Auto it is enabled only when the contact is closed If the fan is set to On it is not affected by this setting BI2 Configuratio...

Страница 10: ...ables the Auto function if Option 2 is chosen in the SeqOpera parameter to be visible within the MODE key menu The MODE key is the key at the far left of the thermostat controller cover Default off on The Auto function is active Off Auto Heat Cool Provides automatic changeover between heating and cooling off The auto function is inactive Off Heat Cool C or F Provides temperature scale options for ...

Страница 11: ... temperature in 5 0F 5 0C increments St By CL1 Sets Stand by cooling setpoint limit value is between occupied and unoccupied cooling setpoints Default 78 0 F 25 6 C Range 54 0 F 12 0 C to 100 0 F 37 5 C Unocc HT Sets the Unoccupied Heating setpoint value Default 62 0 F 16 5 C Range 40 0 F 4 5 C to 90 0 F 32 0 C Unocc CL Sets the Unoccupied Cooling setpoint value Default 80 0 F 26 5 C Range 54 0 F ...

Страница 12: ...other use the MODE key to toggle between the two setpoints TOccTime Sets the duration of the Temporary Occupancy Time when the heating or cooling setpoints in the Occupied mode are established by an Override Function enabled in the Main User Menu when the thermostat controller is in the Unoccupied mode a temporary heating or cooling setpoint Default 2 0 hrs Range 0 0 to 24 0 hrs in 1 hour incremen...

Страница 13: ... Used as a diagnostic service help to troubleshoot and diagnose sensor operation Default 40 F 40 C Not applicable 1 This parameter functions only when the TEC is used in conjunction with an onboard occupancy sensor or a remote occupancy sensor Table 4 Installer Configuration Menu Part 5 of 5 Parameter Appearing on Display Description and Default Selection Options Table 5 Accessories Order Separate...

Страница 14: ...tiple Symptoms section of this table A thermostat controller may be connected to the wrong bus TEC2245 4 LONWORKS Network Thermostat Controller with Single Proportional Output and One Speed Fan Control 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 Analog Output Rating 0 to 10 VDC into 2k ohm Resistance Minimum...

Страница 15: ... Part 15 Subpart B Class A LONMARK Certification 3 4 Canada UL Listed File E27734 CCN XAPX7 Under CAN CSA C22 2 No 24 Temperature Indicating and Regulating Equipment Industry Canada ICES 003 Europe CE Mark EMC Directive 2004 108 EC 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 accepta...

Отзывы: