Johnson Controls METASYS TEC1100 Series Manual de servicio

Issue Date August 8, 2002

Part No. 24-8980-2, Rev. A www.johnsoncontrols.com

Code No. LIT-6363155

TECHNICAL BULLETIN

TEC1100 Series Thermostat

In this document, Building Automation System (BAS) is a generic term

that refers to the Metasys® Network (Network Control Module [NCM] or

N30 series), Companion, and Facilitator® supervisory systems. When you

refer to system specific applications, use the specific system names.

The TEC1100 Series includes three nonprogrammable models:

single-stage (TEC1101), heat pump (TEC1102), and multistage

(TEC1103). The applications include furnace, air conditioner, heat pump,

and rooftop units. The TEC1100 incorporates fuzzy logic for precise

control in a thermostat type package.

All TEC1100s have Metasys N2 communication capability. This

communication allows the user to view and adjust parameters from a

remote workstation. It also provides information, such as outdoor air

temperature, to the TEC1100 units on the bus. The thermostat is easy to

operate and normally displays room temperature and mode of operation

using Cooling ( ) or Heating ( ) icons. When there is a call for cooling,

the Snowflake icon ( ) blinks. Likewise, during a call for heating, the

Flame icon ( ) blinks. When the temperature is satisfied, neither icon

blinks. In the Auto mode, both icons ( ) appear continuously when

satisfied. Light-Emitting Diodes (LEDs) on the top of TEC1102/1103

models use Binary Inputs (BIs) to indicate a clogged filter and external

service. A unique temperature alarm (BI 2) indicates that the zone

temperature has not been satisfied in 45 minutes.

Introduction

Description

2 TEC1100 Series Thermostat Technical Bulletin

Used to increase/decrease values

or change between C or F.°°

Outdoor

Day/Night

Used to display outside

temperature (optional).

Used to alternate between

day and night setpoints.

LEDs (TEC1102, TEC1103 only) indicate

system activity or problems (see Table 3).

Used to select Heating,

Auto, Off, or Emergency Heat

(E ht; available on TEC1102

only) mode of operation.

Cooling,

Used to run fan

continuously.

Mode

Fan

Tec1100face

Timed Occupied mode when

keyboard locked.

Figure 1: TEC1100

TEC1100 Series Thermostat Technical Bulletin 3

Table 1: Specifications

Product TEC1101-1 Thermostat with N2 Bus, 1 Heat/1 Cool

TEC1102-1 Thermostat with N2 Bus, Heat Pump

TEC1103-1 Thermostat with N2 Bus, 2 Heat/2 Cool

Power Requirements 20-30 VAC, 50-60 Hz, Class 2, 24 VAC nominal, 2.4 VA maximum not including

driven loads

Relay Contact Rating Maximum Inductive: 1 ampere with surges to 3 amperes, 24 VAC Class 2

Maximum Resistive: 1 ampere, 24 VDC (2000 VA maximum for all outputs)

Minimum: 10 mA for 24 VAC circuit; 10 mA for a 24 VDC circuit

Binary Inputs

(LED 1, LED 2, CLK1)

20-30 VAC or 22-30 VDC (Negative on 24 V [C] terminal). Switches at 2 VDC.

Recommended Wire Size 18 gauge at 100 feet/22 gauge at 20 feet

Thermostat Measurement

Range

0 to 48°C (28 to 124°F)

Outdoor Air Temperature

Indication Range

-48 to 48°C (-50 to 124°F)

Control Range Heating: 5 to 30°C in 1°increments (38 to 88°F in 1°increments)

Cooling:16 to 40°C in 1°increments (60 to 88°F in 1°increments)

Display Resolution 1°C (1°F)

Minimum Deadband 1°C (2°F) (between heating and cooling)

°C/°F Conversion 20°C = 68°F, each Celsius degree above or below 20°C is 2°F

N2 Communications Isolated bidirectional, RS-485, 9600 baud

Ambient Operating

Conditions

0 to 55°C (32 to 131°F); 5 to 90% RH noncondensing

Ambient Storage

Temperatures

-34 to 55°C (-30 to 131°F)

Dimensions (H x W x D) 114.3 x 101.6 x 22.2 mm (4-1/2 x 4 x 7/8 in.)

Shipping Weight 0.171 kg (0.37 lb)

UL and cUL Listing UL 873 Multiple Class 2 Device, UL94HB Plastic Enclosure

CE Compliance CISPR 22, Residential Class B, CE Directive (89/336/EEC, EN50081/1,

EN50082/2) Industrial and Residential

FCC Compliance This equipment has been tested and found to comply with the limits for a Class A

digital device and verified to Class B pursuant to Part 15 of FCC Rules. These

limits are designed to provide reasonable protection against harmful interference

when this equipment is operated in a commercial environment. This equipment

generates, uses, and can radiate radio frequency energy and, if not installed and

used in accordance with the instruction manual, may cause harmful interference to

radio communications. Operation of this equipment in a residential area is likely to

cause harmful interference in which case the user is required to correct the

interference at his/her own expense.

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.

This device complies with Class A Part 15 of the FCC rules. It was also verified to Class B. Operation is subject to

the following two conditions:

(1) This device may not cause harmful interference.

(2) This device must accept any interference received, including interference that may cause undesired operation.

This Class A digital apparatus meets all of the requirements of the Canadian Interference-Causing Equipment

Regulations. Cet appareil numerique de la classe A respecte toutes les exigences du Reglement sur le materiel

brouilleur du Canada.

4 TEC1100 Series Thermostat Technical Bulletin

Table 2: TEC1100 Series Accessory Ordering Information

Item Product Code Number

Optional Accessories (includes mounting hardware)

Replacement Door for nonprogrammable thermostat (10/box) TEC10DOOR-NONPROG

Remote or Averaging Indoor Temperature Sensor SEN-500-1*

Outdoor Air Sensor with Outdoor Air Temperature Communication Module SEN-500-2**

Duct Mounted Outdoor Air Sensor with Outdoor Air Temperature

Communication Module

SEN-500-3**

4- to 5-wire Conversion Module ACC-500-1***

Thermostat Wall Plate to conceal existing holes ACC-500-2****

Replacement Parts

Replacement Outdoor Air Temperature Communication Module SEN-500-603

Replacement Outdoor Air Temperature Sensor (includes mounting hardware) SEN-500-604

Replacement Duct Mount Outdoor Air Temperature Sensor

(includes mounting hardware)

SEN-500-605

Repair Parts

3 in. Sensor Probe (use with outdoor air sensor) SEN-500-601

8 in. Sensor Probe (use with duct-mount outdoor air sensor) SEN-500-602

* See SEN-500-1 Remote Indoor Temperature Sensor Product/Technical Bulletin (LIT-216504).

** See SEN-500-2 and SEN-500-3 Outdoor Air Temperature Sensors Product/Technical Bulletin

(LIT-216179).

*** See ACC-500-1 Conversion Module Product/Technical Bulletin (LIT-216500).

**** See ACC-500-2 Thermostat Wall Plate Product/Technical Bulletin (LIT-216502).

Table 3: Alarm Indicators (TEC1102 Heat Pump and TEC1103 Multistage)

LED Position Function BI

Right ( )Indicates a fault. Controlled by external switch on LED 2, which displays a

wrench icon and reports Change-of-State (COS) to the Metasys system and

causes the Network Dial Modem (NDM) to dial out.

Center

(no symbol)

(TEC1102 heat pump only). Indicates when Emergency (Auxiliary) heat

(E ht) is activated. Internally controlled. No COS.

N/A

Left ( )Indicates filter needs changing. Controlled by external switch on LED 1, which

displays the filter icon and reports a COS to the Metasys system and causes

the NDM to dial out.

Temperature

Alarm (no LED)

If the room temperature is more than 1°C (1°F) away from the setpoint after

45 minutes of operation, a COS occurs which causes the NDM to dial out.

Once the temperature reaches the setpoint, the alarm returns to normal.

Note: Either binary input (LED 1 or LED 2) can be used as a fan-proving switch for other applications.

TEC1100 Series Thermostat Technical Bulletin 5

Table 4: Applications

Application Recommended Model

Fan Coil Unit TEC1101-1

Heat Pump TEC1102-1

Unit Heaters TEC1101-1

Packaged Rooftop TEC1103-1 and Separate Economizer Package

(M130EAA-2 or equal in place of Stage 1). Refer to the

AD-DME1702-1 Direct Mount Economizer Controller

Technical Bulletin (LIT-6363020).

Packaged Heating/Cooling TEC1101-1 or TEC1103-1

The tools needed to install the TEC1100 Series thermostats are:

•drill

•3/16 in. drill bit

•1/8 in. and 1/4 in. flat-blade screwdrivers

•hammer

•marking pencil

•wire stripper

Note: Two plastic anchors with screws and the cover lock are included

with the TECs.

Mount the TEC1100 Series thermostat on an interior wall, approximately

1.5 m (5 ft) above the floor in a location of average temperature (72°F).

Do not mount the thermostat on outdoor walls or behind doors. Be sure to

install the thermostat away from direct sunlight or radiant heat, air

discharge grills, stairwells, or outdoor doors. Keep the thermostat away

from steam or water pipes, warm air stacks, areas with no airflow, or

sources of electrical interference.

To mount:

1. Lift the thermostat cover and insert a small coin into the slot located in

the bottom center of the thermostat case.

2. Twist 1/4 turn (Figure 2).

Installation

Required

Installation

Tools

Mounting the

TEC1100 Series

Thermostat

6 TEC1100 Series Thermostat Technical Bulletin

Mount tec1100

Figure 2: Separating and Mounting the TEC1100

3. Grasp the base from the bottom two corners, and separate from the

thermostat.

4. Swing the thermostat out from the bottom, and lift up and out from the

base.

Note: When replacing an existing thermostat, use wire tags to identify

terminal designations.

5. Place the rectangular opening in the base over the equipment control

wires.

6. Use the base as a template, and mark the location of two mounting holes.

7. Drill two 5 mm (3/16 in.) holes at the marked locations.

8. Tap nylon anchors (included) flush to wall surface.

9. Place thermostat mounting holes over anchors, and screw the

thermostat into place using the included anchor screws (Figure 2).

10. Plug the hole in the wall to eliminate air drafts on the sensor with the

adhesive foam from the ACC-INSL-x Foam Pad Mounting Kit. If you

are not using this kit, use putty or duct tape to plug the hole.

Follow these steps to wire the TECs:

1. Connect the wires from the existing system to the thermostat

terminals. Refer to Figure 4, Figure 6, and Figure 8 for wiring

diagrams.

2. Push any extra wire back into the wall. The wires must be flush to the

plastic base.

3. Plug the hole in the wall to eliminate air drafts on the sensor.

Wiring the

TEC1100 Series

Thermostats

TEC1100 Series Thermostat Technical Bulletin 7

Select Dual Inline Package (DIP) switches to perform a variety of

different functions: fan runtime delay, keyboard disable, and multistage

heating or cooling.

Note: Before selecting a minimum On/Off time for the TEC1100 Series,

verify the equipment can tolerate the following hourly maximum

cycle rates: 7.5 cycles per hour when using 4-minute On/Off

(preferred for energy savings) or 15 cycles per hour when using

2-minute On/Off.

TEC1101 Single-Stage Wiring Configuration and DIP Switch Settings

Refer to Figure 3, Figure 5, and Figure 7 for DIP switch settings.

Table 5: TEC1101 Single-Stage DIP Switch Selections

DIP Switch Selection Description

1On Allows 2-minute minimum On/Off time for heating or cooling equipment.

Off Allows 4-minute (preferred) minimum On/Off time for heating or cooling equipment.

2On* Locks the keyboard, disabling buttons to prevent tampering. The Day/Night mode

button can select 1-hour override.

Off Unlocks the keyboard.

3On In Heating mode, with a call for heat, the plenum temperature switch controls fan

operation. However, Cooling mode allows the fan to operate immediately with a

call for cooling. The temperature switch is wired directly to the fan.

Off Heating or Cooling mode allows the fan to operate immediately with a call for heat

or cooling.

* When DIP Switch 2 is on, you can only use the Day/Night mode button to select 1-hour override to occupied

setpoints if in Night mode. All other buttons are read-only. You can also view the N2 address.

Hcn2diwi

RS1

TEC1101

Heating

Cooling

Fan

Common

Keyboard LockedKeyboard Unlocked

with Call for Heat

Heat/Cool: 4 Minute

(Minimum On/Off)

Heat/Cool: 2 Minute

(Minimum On/Off)

Fan On with Plenum

Temperature Switch

RS+V Power in

CLK1

CLK2

RS2

Fan Immediate

N2+

N2-

REF

24V

24V(c)

Figure 3: TEC1101 Single-Stage, Factory-Set DIP Switch Settings and

Wiring Configuration

Setting the DIP

Switches

8 TEC1100 Series Thermostat Technical Bulletin

Table 6: TEC1101 Single-Stage Output Terminal Designations

Terminal Function

W1 Energizes on call for heating.

Y1 Energizes on call for cooling.

GEnergizes fan on call for heating or cooling or by pressing the Fan button.

RProvides independent switching voltage.

24V Provides 24 VAC from equipment transformer.

24V(c) Provides 24 VAC (common) from equipment transformer.

CLK1, CLK2 Connects remote clock/timer for alternate setpoints.

RS2, RS1, RS+V Connects outdoor air temperature or indoor remote sensors; refer to instructions included

with sensors.

N2+, N2-, REF Metasys N2 Bus connections

If the transformer (T2) is to power all of the loads, the yellow

pin jumper must be inserted (factory position), which connects

R to 24 V. The jumper is located on the electronics board above

the relays. If a separate 24 V transformer (T1) is to be used,

it must be connected between R and 24 V(c), and the jumper

should not be connected between R and 24 V.

Metasys

CPN, FAC,

or NCM

N2+ N2- REF

Electronics

Rs2

Rs1 CLK1 CLK2

Remote

Sensor

(if used)

Remote

Clock/Timer

(if used)

Jumper

T1 T2

First Stage

Cooling

First Stage

Heat Fan

W1 Y1 GR24 V 24 V(c) Thermostat

Equipment

Optional Plenum

Temperature Sensor

Figure 4: TEC1101 Single-Stage Wiring Schematic

TEC1100 Series Thermostat Technical Bulletin 9

TEC1102 Heat Pump Wiring Configuration and DIP Switch Settings

Table 7: TEC1102 Heat Pump DIP Switch Selections

DIP Switch Selection Description

1On Compressor/Auxiliary Interlocked: turns off the compressor when the auxiliary heat

(E ht) is on. The compressor remains off for 2 minutes after the auxiliary heat is

turned off to ensure that the heat pump coil has cooled.

Off Compressor/Auxiliary Normal: allows the compressor and auxiliary heat to be on

simultaneously.

2Off Not used. Switch should remain in the Off position.

3On Allows 2-minute minimum On/Off time for heating or cooling equipment.

Off Allows 4-minute minimum On/Off time for heating or cooling equipment (preferred).

4On* Locks the keyboard, disabling buttons to prevent tampering. Day/Night mode

button can select 1-hour override.

Off Unlocks the keyboard.

5On Comfort: allows the Auxiliary Heat to be energized when the room temperature

error is greater than 0.5°C (1°F) for 1.5 hours.

Off Economy: minimizes the use of Auxiliary Heat. If the room temperature error is

0.5°C (1°F) for 3 hours, auxiliary heat is energized.

6On Allows multistage heating or cooling.

Off Allows single-stage heating or cooling.

7On Liquid Crystal Display (LCD) filter icon ( ) turns on with LED 1 contact closure to

24 VAC.

Off No filter icon.

8On LCD wrench icon ( ) turns on with LED 2 contact closure to 24 VAC.

Off No wrench icon.

* When DIP Switch 4 is on, you can only use the Day/Night mode button to select 1-hour override to occupied

setpoints if in Night mode. All other buttons are read-only. You can also view the N2 address.

10 TEC1100 Series Thermostat Technical Bulletin

Economy

Single-Stage

LED 1 Icon Off

LED 2 Icon Off

Compressor/Auxiliary

Normal

Not Used

Heat/Cool: 4 Minute

(Minimum On/Off)

Keyboard Unlocked

Compressor/Auxiliary

Interlocked

Not Used

Heat/Cool: 2 Minute

(Minimum On/Off)

Keyboard Locked

LED 1 Icon (Filter)

LED 2 Icon

(Wrench/Fault)

Comfort

Multistage

LED1

LED2

CLK1

TEC1102

2nd Sta

e Compressor

Auxiliary Heating

1st Sta

e Compressor

Fan

Cool Reversin

Valve

Heat Reversin

Valve

Hpn2wire

N2+

N2 REF

Rs1

RS+V

CLK2

RS2 24 VAC Power In

24 VAC Common

24V

24V(C)

Figure 5: TEC1102 Heat Pump, Factory-Set DIP Switch Settings,

and Wiring Configuration

Table 8: TEC1102 Heat Pump Output Terminal Designations

Terminal Function

Y2 Energizes Compressor 2 on call for second stage heating or cooling.

W1 Energizes auxiliary heat as third stage heating or emergency heat.

Y1 Energizes Compressor 1 on call for first stage heating or cooling.

GEnergizes fan on call for heating or cooling or by pressing Fan button.

RProvides independent switching voltage.

24V Provides 24 VAC from equipment transformer.

24V(c) Provides 24 VAC (common) from equipment transformer.

LED 1, LED 2 LED 1 or LED 2 contact closure to 24 VAC from remote switch.

CLK1, CLK2 Connects remote clock/timer for alternate setpoints.

RS2, RS1, RS+V Connects outdoor air temperature or indoor remote sensors; refer to instructions included

with sensors.

OEnergizes reversing valve in the Cooling mode.

BEnergizes reversing valve in the Heating mode.

N2+, N2-, Ref N2 Bus

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