Trane TCONT802AS32DA Manual de usuario

INSTALLATION INSTRUCTIONS

69-1790-3

U.S. Pat. No. 6595430, D509151, and Other Patents Pending

TCONT802AS32DA Touch Screen and

TCONT803AS32DA Touch Screen with

Dehumidification Control Comfort Controls

18-HD25D19-3

APPLICATION

The TCONT802AS32DA and TCONT803AS32DA Touch Screen Comfort Controls provide electronic control of 24 Vac

heating and cooling systems. See Table 1 for a general description.

MERCURY NOTICE

If this control is replacing a control that contains

mercury in a sealed tube, do not place your old

control in the trash. Dispose of properly.

Contact your local waste management authority

for instructions regarding recycling and the

proper disposal of the old control.

INSTALLATION

When Installing this Product...

1. Read these instructions carefully. Failure to follow

the instructions can damage the product or cause

a hazardous condition.

2. Installer must be a trained, experienced service

technician.

3. After completing installation, use these instructions

to check out the product operation.

Selecting Location

Install the comfort control about 5 ft. (1.5m) above the

floor in an area with good air circulation at average

temperature. See Fig. 1.

Fig. 1. Selecting comfort control location.

Table 1. TCONT802AS32DA and TCONT803AS32DA Comfort Control Description.

Power Method Changeover System Selection Fan Selection Comments

24 Vac common

wire

Automatic or

manual selectable

Heat-Off-Cool-

Auto (Em. Heat

for heat pumps)

On-Auto-Circ System and Fan selection

vary based on system type

System and Fan selection

vary based on System type.

Humidity sensor to control

dehumidification.

5 FEET

[1.5 METERS]

YES NO

M19925

TCONT802AS32DA TOUCH SCREEN AND TCONT803AS32DA TOUCH SCREEN WITH DEHUMIDIFICATION

Pub. No. 18-HD25D19-3

69-1790—3 2

Do not install the comfort control where it can be affected

by:

— Drafts or dead spots behind doors and in corners.

— Hot or cold air from ducts.

— Radiant heat from sun or appliances.

— Concealed pipes and chimneys.

— Unheated (uncooled) areas such as an outside wall

behind the comfort control.

Installing Wallplate

CAUTION

Electrical Hazard.

Can cause electrical shock or equipment

damage.

Disconnect power before wiring.

The comfort control can be mounted horizontally on the

wall or on a 4 in. x 2 in. (101.6 mm x 50.8 mm) wiring box.

1. Position and level the wallplate (for appearance

only).

2. Use a pencil to mark the mounting holes.

Fig. 2. Mounting wallplate.

3. Remove the wallplate from the wall and, if drywall,

drill two 3/16-in. holes in the wall, as marked. For

firmer material such as plaster, drill two 7/32-in.

holes. Gently tap anchors (provided) into the drilled

holes until flush with the wall.

4. Position the wallplate over the holes, pulling wires

through the wiring opening. See Fig. 2.

5. Insert mounting screws into the holes and tighten.

WIRING (FIG. 5-15)

All wiring must comply with local electrical codes and

ordinances.

1. Select set of terminal identifications (Table 2) that

corresponds with system type (heat/cool or heat

pump in Fig. 3).

2. Loosen the screws for the appropriate system type

selected; see Table 2. Insert wires in the terminal

block under the loosened screw. See Fig. 4.

3. Securely tighten each screw.

4. Push excess wire back into the hole.

5. Plug the hole with nonflammable insulation to pre-

vent drafts from affecting the comfort control.

Fig. 3. Selecting terminal identifications for

system type.

NOTE: The factory default setting is configured for a

1 Heat/1 Cool System with a gas furnace.

Fig. 4. Inserting wires in terminal block.

IMPORTANT

Use 18 gauge comfort control wire.

WALL

MOUNTING

HOLES

M19916

MOUNTING

SCREWS (2)

WALL ANCHORS (2)

WIRES THROUGH WALL

AND WIRE SLOT

Table 2. Selecting Terminal Identifications for

System Type.

System Type

Wallplate

Terminal

Identifications

Wiring

Diagram

Reference

Standard Heat/Cool Heat/Cool Fig. 5,

Fig. 6

Standard Multistage

up to 2 Heat/2 Cool

Heat/Cool Fig. 7,

Fig. 8

Heat Pump with

Electric Auxiliary

(Backup) Heat

Heat Pump Fig. 9,

Fig. 10,

Fig. 11

Heat Pump with

Fossil Fuel Auxiliary

(Dual Fuel) Heat

Heat Pump Fig. 12,

Fig. 13,

Fig. 14,

Fig. 15

HEAT

/COOL

REW TERMINAL

HEAT P

M22636

M19917

TCONT802AS32DA TOUCH SCREEN AND TCONT803AS32DA TOUCH SCREEN WITH DEHUMIDIFICATION

Pub. No. 18-HD25D19-3

3 69-1790—3

Fig. 5. Typical hookup of single-stage heat and cool

system with single transformer (1H/1C).

Fig. 6. Typical hookup of single-stage heat and cool

system with two transformers (1H/1C).

Fig. 7. Typical hookup of two-stage indoor and

two-stage cooling unit in a single transformer system

(2H/2C or 2H/1C or 1H/2C).

Fig. 8. Typical hookup of two-stage indoor and

two-step scroll cooling unit in a single transformer

system (2H/2C or 2H/1C or 1H/2C).

M22637

FACTORY INSTALLED JUMPER.

OPTIONAL OUTDOOR OR INDOOR REMOTE SENSOR. AVAILABLE

ON SELECT MODELS. WIRES MUST HAVE A CABLE SEPARATE

FROM THE THERMOSTAT CABLE.

HEAT/COOL

B/C

GYR AIR

HANDLER

COOLING UNIT

O.D. SECTION

(SINGLE STAGE)

TO POWER SUPPLY

PER LOCAL CODES

(3 PH

ONLY)

INDOOR

OUTDOOR

ODT

OPTIONAL OUTDOOR OR INDOOR REMOTE SENSOR. AVAILABLE

ON SELECT MODELS. WIRES MUST HAVE A CABLE SEPARATE

FROM THE THERMOSTAT CABLE.

HEAT/COOL

B/C

GYR OIL

FURNACE

COOLING UNIT

O.D. SECTION

(SINGLE STAGE)

TO POWER SUPPLY

PER LOCAL CODES

(3 PH

ONLY)

M22638

OIL BURNER PRIMARY

INDOOR

OUTDOOR

M22640

FACTORY INSTALLED JUMPER.

OPTIONAL OUTDOOR OR INDOOR REMOTE SENSOR. AVAILABLE

ON SELECT MODELS. WIRES MUST HAVE A CABLE SEPARATE

FROM THE THERMOSTAT CABLE.

HEAT/COOL

B/C

BKRVARIABLE SPEED

TWO-STAGE

FURNACE/VARIABLE

SPEED AIR HANDLER

COOLING UNIT

O.D. SECTION

(TWO STAGE)

TO POWER SUPPLY

PER LOCAL CODES

(3 PH

ONLY)

INDOOR

OUTDOOR

M24231

FACTORY INSTALLED JUMPER.

OPTIONAL OUTDOOR OR INDOOR REMOTE SENSOR. AVAILABLE

ON SELECT MODELS. WIRES MUST HAVE A CABLE SEPARATE

FROM THE THERMOSTAT CABLE.

THE INSTALLER MUST JUMPER AT THE LVTB “R” TO “O”.

HEAT/COOL

B/C

YLO

BKR VARIABLE SPEED

TWO STAGE

FURNACE

16 SEER

COOLING UNIT

O.D. SECTION

(TWO STEP)

TO POWER SUPPLY

PER LOCAL CODES

(3 PH

ONLY)

INDOOR

OUTDOOR

TCONT802AS32DA TOUCH SCREEN AND TCONT803AS32DA TOUCH SCREEN WITH DEHUMIDIFICATION

Pub. No. 18-HD25D19-3

69-1790—3 4

Fig. 9. Typical hookup of single-stage heat pump with auxiliary/backup heat (2H/1C heat pump).

Fig. 10. Typical hookup of multistage heat pump with auxiliary/backup heat (3H/2C heat pump).

PM-A

M22641

FACTORY INSTALLED JUMPER.

OPTIONAL OUTDOOR OR INDOOR REMOTE SENSOR. AVAILABLE

ON SELECT MODELS. WIRES MUST HAVE A CABLE SEPARATE

FROM THE THERMOSTAT CABLE.

HEAT PUMP

B/C

GYR AIR

HANDLER

HEAT PUMP

O.D. SECTION

(SINGLE STAGE)

TO POWER SUPPLY

PER LOCAL CODES

(3 PH

ONLY)

INDOOR

OUTDOOR

TO POWER

SUPPLY PER

LOCAL

CODES AND

AS DEFINED

IN FIELD

WIRING TABLE

SUPPL. HTR.

CONTROL BOX

I-PF

REQ.

FOR

3 PH

ODT-1

ODT-2

BR(T)X2/BK

PM-A

M22642

FACTORY INSTALLED JUMPER.

OPTIONAL OUTDOOR OR INDOOR REMOTE SENSOR. AVAILABLE ON SELECT MODELS.

WIRES MUST HAVE A CABLE SEPARATE FROM THE THERMOSTAT CABLE.

HEAT PUMP

B/C

OYR VARIABLE

SPEED AIR

HANDLER

TO POWER SUPPLY

PER LOCAL CODES

(3 PH

ONLY)

INDOOR

OUTDOOR

YLO

RX2/BK

ODT-1

ODT-2

BR(T)

TO POWER

SUPPLY PER

LOCAL

CODES AND

AS DEFINED

IN FIELD

WIRING TABLE

SUPPL. HTR.

CONTROL BOX

I-PF

REQ.

FOR

3 PH

Y2 O

HEAT PUMP

O.D. SECTION

(TWO STAGE)

TCONT802AS32DA TOUCH SCREEN AND TCONT803AS32DA TOUCH SCREEN WITH DEHUMIDIFICATION

Pub. No. 18-HD25D19-3

5 69-1790—3

Fig. 11. Typical hookup of multistage two-step scroll heat pump with auxiliary/backup heat (3H/2C heat pump).

Fig. 12. Typical hookup of singe-stage heat pump with non-variable speed gas furnace.

M24230

FACTORY INSTALLED JUMPER.

OUTDOOR REMOTE SENSOR. WIRES MUST HAVE A CABLE

SEPARATE FROM THE THERMOSTAT CABLE.

THE INSTALLER MUST JUMPER AT THE LVTB “R” TO “O”.

HEAT

PUMP

B/C

G Y

BKR VARIABLE SPEED

AIR HANDLER

16 SEER

HEAT PUMP

O.D. SECTION

(TWO STEP)

TO POWER SUPPLY

PER LOCAL CODES

(3 PH

ONLY)

INDOOR

OUTDOOR

R O BR(T)

X2/BK

W1 W2

GYB/C

FACTORY INSTALLED JUMPER.

OUTDOOR REMOTE SENSOR. WIRES MUST HAVE A

CABLE SEPARATE FROM THE THERMOSTAT CABLE.

R O BR(T)X2/BK BHEAT PUMP

O.D. SECTION

(SINGLE STAGE)

NON-V.S.

ONE OR TWO

STAGE GAS

FURNACE

INDOOR

OUTDOOR

HEAT PUMP

TO POWER SUPPLY

PER LOCAL CODES

(3 PH

ONLY)

M24200

TCONT802AS32DA TOUCH SCREEN AND TCONT803AS32DA TOUCH SCREEN WITH DEHUMIDIFICATION

Pub. No. 18-HD25D19-3

69-1790—3 6

Fig. 13. Typical hookup of single-stage heat pump with two stage variable speed gas furnace

(2H/1C heat pump).

W1 W2

GYB/C

FACTORY INSTALLED JUMPER.

OUTDOOR REMOTE SENSOR. WIRES MUST HAVE A

CABLE SEPARATE FROM THE THERMOSTAT CABLE.

R O BR(T)BR/X2

OR BK

BHEAT PUMP

O.D. SECTION

(SINGLE STAGE)

VARIABLE

SPEED

TWO STAGE

FURNACE

INDOOR

OUTDOOR

HEAT PUMP

TO POWER SUPPLY

PER LOCAL CODES

(3 PH

ONLY)

M24201

BK OYLO

TCONT802AS32DA TOUCH SCREEN AND TCONT803AS32DA TOUCH SCREEN WITH DEHUMIDIFICATION

Pub. No. 18-HD25D19-3

7 69-1790—3

Fig. 14. Typical hookup of multistage heat pump with two stage variable speed gas furnace (3H/2C heat pump).

W1 W2

GY/Y2B/C

FACTORY INSTALLED JUMPER.

OUTDOOR REMOTE SENSOR. WIRES MUST HAVE A

CABLE SEPARATE FROM THE THERMOSTAT CABLE.

R O BR(T)X2/BK B

FHEAT PUMP

O.D. SECTION

(TWO STAGE)

VARIABLE

SPEED

TWO STAGE

FURNACE

INDOOR

OUTDOOR

HEAT PUMP

TO POWER SUPPLY

PER LOCAL CODES

(3 PH

ONLY)

M24202

BK OYLO

Y1/

TCONT802AS32DA TOUCH SCREEN AND TCONT803AS32DA TOUCH SCREEN WITH DEHUMIDIFICATION

Pub. No. 18-HD25D19-3

69-1790—3 8

Fig. 15. Typical hookup of multistage two-step scroll heat pump with two stage variable speed gas furnace

(3H/2C heat pump).

Powering the Comfort Control

The Comfort Control can be powered with 24 Vac.

24 Vac Common Power (Recommended)

Wire the common side of the transformer to the B screw

of the comfort control wallplate. When installing in a single

transformer system, keep the jumper wire between the R

and Rc screws. When installing in a two-transformer

system, use the common from the cooling transformer to

connect to the B screw and remove the jumper wire

between the R and Rc screws.

Battery Power (Optional)

CAUTION

Equipment or Property Damage Hazard.

Using battery power only may not provide

adequate power to comfort control and can

cause damage during freezing conditions.

Connect the 24 Vac Common (B) wire from the

system transformer to the comfort control for

proper operation when the battery power is

drained.

Three AAA alkaline batteries can be used to power the

comfort control for armchair programming only. To prevent

the comfort control and heating/cooling system from

shutting down due to lack of battery power, it is not

recommended that the comfort control be solely powered

with the three AAA batteries during normal system

operation. When using batteries, make sure positive and

negative terminals are oriented correctly, as marked on

the device. See Fig. 16.

Fig. 16. Installing batteries on comfort control back.

W1 W2

GYB/C

FACTORY INSTALLED JUMPER.

OUTDOOR REMOTE SENSOR. WIRES MUST HAVE A

CABLE SEPARATE FROM THE THERMOSTAT CABLE.

R O BR(T)X2/BK B16 SEER

HEAT PUMP

O.D. SECTION

(TWO STEP)

VARIABLE

SPEED

TWO STAGE

FURNACE

INDOOR

OUTDOOR

HEAT PUMP

TO POWER SUPPLY

PER LOCAL CODES

(3 PH

ONLY)

M24203

BK OY

REMOVE / CUT JUMPER FROM R TO BK.

M19918

BATTERIES (3)

TCONT802AS32DA TOUCH SCREEN AND TCONT803AS32DA TOUCH SCREEN WITH DEHUMIDIFICATION

Pub. No. 18-HD25D19-3

9 69-1790—3

Mounting the Comfort Control

1. Align the terminal screw blocks with the pins on the

back of the comfort control.

2. Push the comfort control straight onto the wallplate.

See Fig. 17.

Fig. 17. Mounting comfort control on wallplate.

Adjusting Real-Time Clock

Setting Calendar and Time

Locate and remove the tab labeled Remove in the lower

left corner on the comfort control back. The tab must be

removed to activate the real-time clock. See Fig. 18.

Fig. 18. Removing tab to activate real-time clock.

This comfort control is designed to automatically keep the

current time and day in memory for up to ten years under

normal use once the calendar is set. When the comfort

control is first powered, the display is ready for the

calendar date to be entered. See Fig. 19.

Fig. 19. Setting calendar and time after initial

powerup.

IMPORTANT

The tab on the back of the comfort control in the

lower left corner must be removed for this

feature to be active.

Using the Comfort Control

The comfort control has a touch screen interface. Words

or symbols appear, highlighting the keys, as necessary, to

complete tasks. Always press the keys with your

fingertips. Sharp instruments like a pen or pencil point can

damage the comfort control.

1. Use the arrow keys to set the Year, Month and Day,

as shown in Fig. 19.

2. Press the Done key.

3. Use the arrow keys to set the current time. See

Fig. 19.

4. Press the Done key.

WALL

M22643

REMOVE DURING

INSTALLATION

REMOVE DURING

INSTALLATION

M22644

REMOVE TAB TO ACTIVATE REAL TIME CLOCK

REMOVE DURING

INSTALLATION

MON

WED

THU

FRI

SUN

MON

WED

THU

FRI

SUN

CHANGE FILTER UV LAMP HUMIDIFIER PAD

OK TO PICK MULTIPLE DAYS SCREEN LOCKED

SET CURRENT DAY

SET MONTH

E ARR

ET YEAR AND TIM

M22645

TCONT802AS32DA TOUCH SCREEN AND TCONT803AS32DA TOUCH SCREEN WITH DEHUMIDIFICATION

Pub. No. 18-HD25D19-3

69-1790—3 10

OPERATION

System and Fan Settings

The System default setting is Heat and the Fan default

setting is Auto.

SYSTEM SETTINGS

Heat: controls heating system.

Off: heating and cooling are off.

Cool: controls cooling system.

Auto: automatically changes between heating and cooling

systems, depending on indoor temperature. (See Installer

Setup section.)

Em Heat: emergency heat cycles to maintain

temperature. Compressor is locked out. (Used only for

heat pump systems with backup heat.)

FAN SETTINGS

The Fan setting can be programmed into the comfort

control schedule for each period (Wake, Leave, Return,

Sleep). See the Owners’ Guide for additional information.

LED Indication (Requires 24 Vac Common

Connection)

An LED indicator is located in the upper right corner of the

comfort control. It is only visible when lighted:

• It indicates when the comfort control is in the

Emergency Heat mode. When in Em. Ht. mode, the F

terminal is continuously energized and the LED is on.

• When the F terminal is wired to an equipment monitor,

the LED signals when a check or fail signal is sent to

the comfort control from the system. See Fig. 20. (This

can occur only when the comfort control is not in Em.

Ht. mode.)

Fig. 20. F terminal switch to R (power) side of system

transformer.

Preprogrammed Settings

Table 3 shows the default program settings. See Owners’

Guide for complete instructions on changing the program.

Table 3. Default Program Settings.

Schedule

Period Time

Setpoints Fan

SettingHeat Cool

Wake 6:00AM 70°F

(21°C)

78°F

(25.5°C)

Auto

Leave 8:00AM 62°F

(16.5°C)

85°F

(29.5°C)

Auto

Return 6:00PM 70°F

(21°C)

78°F

(25.5°C)

Auto

Sleep 10:00PM 62°F

(16.5°C)

82°F

(28°C)

Auto

M22646

EQUIPMENT

MONITOR

FTOR

TO C

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