Johnson Controls TEC2201-2 User manual

Installation Instructions

Issue Date November 23, 2005

TEC220x-2 Series Non-Programmable LONWORKS®

Network Configurable Staged Thermostats

Application Requirements

The TEC220x-2 Series Non-Programmable

LONWORKS® Network Configurable Staged

Thermostats are specifically designed for single-stage

and multi-stage control of heating/cooling equipment,

such as rooftop and heat pump units.

Code No. LIT-1201911 www.johnsoncontrols.com

Software Release 1.0

Accurate temperature control is achieved with a time

proportional control algorithm, which virtually

eliminates the temperature offset associated with

traditional, differential-based thermostats. For more

advanced applications, an economizer control logic

has been integrated onto the thermostat for use with

proportional damper economizer actuators.

All programmable models contain a Single-Pole

Single-Throw (SPST) auxiliary switch, which can be

used to control lighting or disable the economizer

function.

Mechanical Installation

Location

Install away from any heat source.

Do not install the thermostat:

•on an outside wall

•near an air discharge grill

•in a location affected by direct sun radiation

•in an area that restrains vertical air circulation to

the thermostat

coverremoval

Figure 1: Bottom of Thermostat

Installation

To install the thermostat:

Note: Wall surface must be flat and clean.

1. Remove security screw on the bottom of

thermostat cover.

2. Open up by pulling on the bottom side of

thermostat (Figure 1).

3. Swing the thermostat circuit board to the left by

pressing the pull tabs (Figure 2).

4. Pull cables 6” out of the wall.

5. Insert cable in the central hole of the base.

6. Align the base and mark the location of the two

mounting holes on the wall. Install proper side of

base up.

mountingbase

Figure 2: Pull Tabs

7. Install anchors in the wall.

8. Insert screws in mounting holes on each side of

the base (Figure 2).

9. Gently swing the circuit board back on the base

and push until the tabs lock.

10. Pull out the screw terminal blocks using the pull

tabs on each connector (Figure 3).

11. Strip each wire 1/4 inch.

12. Insert each wire according to wiring diagram.

13. Gently push excess wiring back into the hole.

14. Install wiring terminals.

15. Reinstall the cover (top side first) and gently push

extra wire length back in the hole in the wall.

16. Install security screw.

terminalblocks

Figure 3: Security Screw

Caution

•If replacing an old thermostat, label the wires

before removal of the old thermostat.

•Electronic controls are static sensitive devices.

Discharge yourself properly before installing the

thermostat.

•Short circuits or incorrect wiring may permanently

damage the thermostat or the equipment.

•Anti-short cycling can be set to 0 minutes for

equipment that possesses its own anti-cycling

timer. Do not use that value unless the equipment

is equipped with such internal timer. Failure to do

so can damage the equipment.

•All Thermostat devices are to be used only as

operating controls. Whenever a control failure

could lead to personal injury and/or loss of

property, it becomes the responsibility of the user

to add safety devices and/or alarm system to

protect against such catastrophic failures.

Wiring

If the same power source is used for the heating

stages, install jumper across RC and RH. Maximum

current is 2.0 amperes.

If auxiliary output is used to toggle occupancy of the

electronic control card inside the equipment, configure

the relay parameter (Aux cont ) to the Normally Open

(N.O.) setting. A second relay can be added for

additional functionality of the occupancy output.

Economizer output uses a half bridge rectifier.

Reference of the control signal is the common of the

power supply of the thermostat, terminal C.

Electromechanical contacts are to be used with the

digital inputs. Electronic triacs cannot be used as

mean of switching for the input. The switched leg to

the input is terminal C (common)

The transformer of the unit provides power to the

thermostat and the additional loads that are wired to

the thermostat.

Electrical Installation

Planning and Selecting Cables

Plan the placement of cables for inputs, outputs,

communication, and power.

Place input, output, power, and network cables to

avoid the effects of ambient noise.

Separate analog type cables for power,

communication, inputs, and outputs from other types

of cables.

Connectors

The board connectors accept wires or flat cables:

22-12 AWG (0.14-2.5 mm²) per pole.

Table 1: Cable Specifications

Cable Specification

Power Minimum cable section 18 AWG

Inputs Minimum cable section 20 AWG – twisted pair

Digital

Outputs Minimum cable section 18 AWG

Analog

Outputs Minimum cable section 20 AWG – twisted pair

2TEC220x-2 Series Non-Programmable LONWORKS Network Configurable Staged Thermostats Installation

Instructions

Wiring Analog Outputs

When configured as a digital type, the analog outputs

can provide 60 mA of current for relay, or solid-state

relay, operation.

Table 2: Analog Output Characteristics

Analog Output Characteristic

Voltage 0 to 10 VDC when configured as an

analog output

0 to 12 VDC when configured as a

digital output

Max Current 60 mA @ 12 VDC when configured

as digital (200 ohm load)

50 mA @ 10 VDC when configured

as analog

Protection Auto-reset fuse:

100 mA @ 68°F (20°C)

0 mA @ 140°F (60°C)

Table 3: Thermostat Models

Application 1 Heat/1 Cool 2 Heat/2 Cool 2 Heat/2 Cool

and Economizer Heat Pump

Model (Non-Programming

without Scheduling) TEC2201-2 TEC2203-2 TEC2204-2 TEC2202-2

TEC220x-2 Series Non-Programmable LONWORKS Network Configurable Staged Thermostats Installation

Instructions 3

Non-Programmable Thermostat Wiring

TEC2201-2 Single-Stage Thermostat

The TEC2201-2 features one fan, one heating stage, and one cooling stage. Figure 4 shows a wiring example.

Thermostat Terminals – TEC2201-2

DI1

RSDI2

RC C

Scom

Jumper J1

Thermostat internal wiring

Jumper J1

System wiring T1

24 Vac

Cool

Stage 1

Fan

GY1 RC C

Remote

Outdoor

Sensor

Remote

Room

Sensor

Optional

If T2 is not used install jumper J1 across RC and RH.

Field contacts

24 Vac

Digital Input #2

Digital Input #1

Heat

Stage 1

RH W1 DI2DI1 OSScom

Figure 4: TEC2201-2 Single-Stage Thermostat

TEC2203-2 Multi-Stage Thermostat

The TEC2203-2 features one fan, two heating stages, and two cooling stages. Figure 5 shows a wiring example.

Thermostat Terminals – TEC2203-2

OSDI1

Y1Y2 G

DI2 Scom

RC CRH W2

24 Vac

System wiring

Jumper J1

Thermostat internal wiring

24 Vac

Cool

Stage 1

Cool

Stage 2

Jumper J1

Fan

Y1 GCRH

Remote

Outdoor

Sensor

Remote

Room

Sensor

Optional

If T2 is not used install jumper J1 across RC and RH.

Field contacts

Heat

Stage 2

Digital Input #2

Digital Input #1

Heat

Stage 1

W1 W2 DI2DI1 OSScom

Figure 5: TEC2203-2 Multi-Stage Thermostat

4TEC220x-2 Series Non-Programmable LONWORKS Network Configurable Staged Thermostats Installation

Instructions

TEC2204-2 Economizer Thermostat

The TEC2204-2 features one fan, two heating stages, two cooling stages, and an economizer. Figure 6 shows a

wiring example.

Thermostat Terminals – TEC2204-2

Y2 Y1

DI1 DI2

RCGW2

Scom

Optional

If T2 is not used install jumper J1 across RC and RH.

Heat

Stage 2

System wiring

Thermostat internal wiring

Jumper J1 T1

24 Vac

Cool

Stage 1

Cool

Stage 2

Jumper J1

Fan

GRC

Heat

Stage 1

RH W1

Field contacts

Remote

Outdoor

Sensor

Digital Input #2

Digital Input #1

0-10 Vdc

24V Com

Remote

Room

Sensor

DI2DI1 RS

Remote

Mixed Air

Sensor

MSScom OS

Figure 6: TEC2204-2 Economizer Thermostat

TEC2202-2 Heat Pump Thermostat

The TEC2202-2 features one fan, three heating stages, and two cooling stages. Figure 7 shows a wiring example.

Thermostat Terminals – TEC2202-2

DI1 DI2

Y1 RCGO/B

Scom

RS OS

CW1

24 Vac

System wiring

Jumper J1

Thermostat internal wiring

Compressor

Stage 1

24 Vac

Compressor

Stage 2

Jumper J1

Fan

Y1 GCRH

Remote

Outdoor

Sensor

Remote

Room

Sensor

Optional

If T2 is not used install jumper J1 across RC and RH.

Field contacts

Reversing

Valve

Digital Input #2

Digital Input #1

Auxiliary

Heat

W1 O/B DI2DI1 OSScom

Figure 7: TEC2202-2 Heat Pump Thermostat

TEC220x-2 Series Non-Programmable LONWORKS Network Configurable Staged Thermostats Installation

Instructions 5

Technical Specifications

Product TEC220x-2 Series Non-Programmable LONWORKS Network Configurable Staged

Thermostats

Agency Approvals FCC Class A - Class A computing device, Subpart J of Part 15

CULus UL873 File E234137 with CCN’s XAPX (US) and XAPX7 (Canada)

Power Requirements 19-30 VAC 50 or 60 HZ; 2 VA (RC and C) Class 2

Ambient Operating

Conditions 0 to 50ºC; (32 to 122ºF) 0 to 95% RH

Ambient Storage

Conditions -30 to 50ºC; (-22 to 122ºF) 0 to 95% RH

Processor Neuron® 3120

Communication LonTalk® Protocol

Transceiver TP/FT-10; 78 Kbps

Memory EEPROM

Sensor Local 10 K NTC thermistor

Resolution ± 0.1ºC (±0.2ºF)

Control Accuracy ±0.5ºC (±0.9ºF) @21ºC (70ºF) typical calibrated

Occupied and Unoccupied

Setpoint Range Cooling 12 to 37.5ºC; (54 to 100ºF)

Occupied and Unoccupied

Setpoint Range Heating 4.5 to 32ºC; (40 to 90ºF)

Room and Outdoor Air

Temperature Range -40 to 50ºC; (-40 to 122ºF)

Proportional Band for

Room temperature Control Both outputs: 1.1ºC (2.0ºF)

Digital Inputs Relay dry contact only across C terminal to DI1 or DI2

Contact Output Rating Each relay output: (Y1, Y2, G, W1, W2 and AU)

30 VAC, 1 A maximum/30 VAC, 3 A in-rush

Economizer Analog

Output Rating 0 to 10 VDC into 2 K ohm resistance minimum

Economizer Analog

Output Accuracy ±3% typical

Wire Gauge 18 gauge maximum, 22 gauge recommended

Dimensions 125 mm x 86 mm x 29 mm (4.94” x 3/38” x 1.13”)

Shipping Weight 0.34 kg (0.75 lb)

The performance specifications are nominal and conform to acceptable industry standards. For application 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.

Controls Group

507 E. Michigan Street

P.O. Box 423 Published in U.S.A.

Milwaukee, WI 53201 www.johnsoncontrols.com

6TEC220x-2 Series Non-Programmable LONWORKS Network Configurable Staged Thermostats Installation

Instructions

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