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TEC2245-4 L

ORKS

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

Fan Control Installation Instructions

Table 1: Terminal Identification

PCB Terminal Label

Terminal Block Label

Function

Not used

N/A

Not used

N/A

Fan

24V~ Hot

24 VAC from Transformer

24V~ Common

24 VAC Common from Transformer

BO5-Aux

BO5 Auxiliary Output

BO5-Aux

BO5 Auxiliary Output

N/A

Not used

N/A

AO1

Cool

Not used

N/A

BI1

Configurable Binary Input 1

Remote Sensor

Scom

Sensor Common

BI2

Configurable Binary Input 2

UI3

COS/COC/SS

Not labeled

N/A

LON 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...

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