Honeywell T7200D, T7200E Installation Instructions Manual

Page 1

T7200D,E Series 2000 Commercial

Microelectronic Thermostats

INSTALLATION INSTRUCTIONS

APPLICATION

The T7200D,E Thermostats provide electronic control of 24 Vac commercial single-zone heating, ventilating and air conditioning (HVAC) equipment. The T7200 is field configurable for automatic or manual changeover between heating and cooling. The system and fan selections are made by keyboard entry. All T7200 Thermostats require a common wire to supply power.

RECYCLING NOTICE

If this control is replacing a control that contains mercury in a sealed tube, do control in the trash.

Contact your local waste management authority for instructions regarding recycling and the proper disposal of the old thermostat.

not

place your old

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. Check the ratings given in the instructions and on

the product to make sure the product is suitable for your application.

3. Installer must be a trained, experienced service

technician.

4. After completing installation, use these instructions

to check out the product operation.

Location

Install the thermostat about 5 ft (1.5m) above the floor in an area with good air circulation at average temperature. See Fig. 1.

YES

5 FEET

(1.5 METERS)

Fig. 1. Typical location of thermostat.

X-XX UL

M4823A

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T7200D,E SERIES 2000 COMMERCIAL MICROELECTRONIC THERMOSTATS

Do not install the thermostat 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 thermostat.

Mounting Wallplate

The wallplate mounts horizontally on the wall or on a 2 in. x 4 in. wiring box. Position the wallplate horizontally on the wall or on a 2 in. x 4 in. wiring box.

1. Position and level the wallplate (for appearance

only). The thermostat functions properly even when not level.

2. Use a pencil to mark the mounting holes. See Fig. 2.

3. Remove the wallplate from the wall and drill two

3/16 inch (4.8 mm) holes in the wall (if drywall) as marked. For firmer material such as plaster or wood, drill two 7/32 inch (5.5 mm) 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.

5. Loosely insert the mounting screws into the holes.

6. Tighten mounting screws.

WALL

CAUTION

Electrical Shock Hazard. Power source can cause electrical shock.

Disconnect power before wiring to prevent electrical shock or equipment damage.

1. Loosen the terminal screws on the wallplate and

connect the system wires. See Fig. 3.

IMPORTANT

Use 18-gauge, solid-conductor color-coded thermostat cable for proper wiring. If using 18-gauge stranded wire, do not use more than ten wires. Do not use larger than 18-gauge wire.

2. Securely tighten each terminal screw.

3. Push excess wire back into the hole.

4. Plug the hole with nonflammable insulation to

prevent drafts from affecting the thermostat.

WIRES THROUGH WALL

WALL ANCHORS (2)

MOUNTING HOLES

MOUNTING SCREWS

LEDS

Fig. 2. Mounting the wallplate.

WIRING WALLPLATE

All wiring must comply with local electrical codes and ordinances. Follow equipment manufacturer wiring instructions when available. Refer to Fig. 4 and 5 for typical hookups. A letter code is located near each terminal for identification.

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M10237

FOR STRAIGHT

FOR WRAPAROUND INSERTION STRIP 7/16 IN. (11 MM).

INSERTION STRIP 5/16 IN. (8 MM).

Fig. 3. Proper wiring technique.

THERMOSTAT

FAN RELAY

HEATING RELAY OR VALVE COIL

COMPRESSOR CONTACTOR

POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED.

JUMPER RC AND RH FOR SINGLE TRANSFORMER SYSTEMS.

Fig. 4. Typical hookup of T7200D in single-stage

heating and cooling conventional system.

M4826

RCRHXY1GW1

L1 (HOT)

M4942A

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T7200D,E SERIES 2000 COMMERCIAL MICROELECTRONIC THERMOSTATS

THERMOSTAT

RXYGO

FAN RELAY

COOL CHANGEOVER VALVE

L1 (HOT)

M4943A

COMPRESSOR CONTACTOR

POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED.

Fig. 5. Typical hookup of T7200E in single-stage heat

Mounting Thermostat on Wallplate

The thermostat mounts on the wallplate after it is installed.

1. Engage the tabs at the top of the thermostat and

wallplate. See Fig. 6.

2. Press the lower edge of the case to latch.

NOTE: To remove the thermostat from the wall, first pull

out at the bottom of the thermostat; then remove the top.

pump system.

SETTINGS

Using Thermostat Keys

The thermostat keys are used to:

• set current time and day,

• program times and setpoints for heating and cooling,

ENTER UNOCCUPIED

ENTER OCCUPIED PROGRAM MODE

PROGRAM MODE

SET CURRENT DAY OR PROGRAM DAY

• override the program temperatures,

• display present setting,

• set system and fan operation,

• configure Installer Setup,

• check Installer System Test.

See Fig. 7 for thermostat key information.

ENGAGE TABS AT TOP OF THERMOSTAT AND SUBBASE OR WALLPLATE.

PRESS LOWER EDGE OF CASE TO LATCH.

M4824A

Fig. 6. Mounting thermostat on wallplate.

SET OCCUPIED TEMPERATURE SETPOINTS

SET UNOCCUPIED TEMPERATURE SETPOINTS AND SCROLLS THROUGH INSTALLER SETUP AND SYSTEM TEST

RETURNS TO NORMAL OPERATIONS

SET OVERRIDE TEMPERATURE OFFSET AND ACTIVATE TEMPORARY OVERRIDE

ENTER HOLD MODE

Run

Program

Temporary

Occupied

Continuous Unoccupied

SET CURRENT DAY AND TIME

CLEAR PROGRAM PERIOD

Clear

Copy

Mon

Occupied

System Fan

Heat

Set Program Set Temperature Change

Unoccupied

Occupied

Start Time Day

Start Time

Set Current

Day/Time

Start Time

Room

Auto

Occupied

Temp

System Fan

SELECT SYSTEM

OPERATION COPY ONE PROGRAMMED DAY TO ANOTHER DAY

Unoccupied

Temp

Heat/Cool

Settings

Time/Temp

SELECT FAN OPERATION

Fig. 7. Thermostat key locations and descriptions.

INCREASE TEMPERATURE OR TIME SETTING

DECREASE TEMPERATURE OR TIME SETTING

CHANGE BETWEEN HEATING AND COOLING SETPOINTS AND SCROLLS BACKWARDS THROUGH INSTALLER SETUP NUMBERS AND SYSTEM TEST

M10233A

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T7200D,E SERIES 2000 COMMERCIAL MICROELECTRONIC THERMOSTATS

Em Ht

Set Day/Time

Setting System and Fan (select models)

The system default setting is Heat. The fan default is set so the fan operates continuously in the Occupied and Recovery modes and with the heating or cooling equipment in the Unoccupied mode. Use the System and Fan keys to change the settings.

The system settings are:

Heat: Thermostat controls the heating. Off: Both the heating and cooling are off. Cool: Thermostat controls the cooling. Auto: Thermostat automatically changes between

heating and cooling operation depending on the indoor temperature.

The fan settings are:

On: Fan operates continuously. Auto: Equipment controls the fan in the Unoccupied

mode. The Intelligent Fan™ operation (Installer Setup number 17) offers three choices for the fan operation in Occupied mode: — fan turns on only when there is a call for heating

or cooling, — fan operates continuously in Occupied mode, — fan is on continuously in Occupied and recovery

modes.

Setting Temperature

Refer to Table 1 for the default temperature setpoints. See Owners Guide, form number 63-4356, for complete instructions on changing the setpoints.

Table 1. Default Temperature Setpoints.

Control Occupied Unoccupied

Heating 70°F (21°C) 55°F (13°C) Cooling 78°F (25.5°C) 90°F (32°C)

INSTALLER SETUP

NOTE: For most applications, the thermostat factory-

settings do not need to be changed. Review the

factory-settings in Table 2 and if no changes are

necessary, go to the Installer System Test

section.

The Installer Setup is used by the installer to customize the thermostat to specific systems. Installer Setup numbers are listed in Table 2. The table includes all the configuration options available.

A combination of key presses are required to use the Installer Setup feature. — To enter the Installer Setup mode, press and hold the

Heat/Cool Settings key while pressing both the increase ▲ and decrease ▼ keys until the first number is displayed. All display segments appear for approximately three seconds before the number is displayed. See Fig. 8 and 9.

— To advance to the next Installer Setup number, press

the Unoccupied Temp key.

— To return to a previous Installer Setup number, press

the Heat/Cool Settings key.

— To change a setting, use the increase ▲ or decrease

▼ key.

— To exit the Installer Setup, press the Run Program

key. The Installer Setup is automatically exited if no key presses are made for four minutes.

Recovery

In Lo

Med

Wait

Temporary Setting Enrg

Room

%Humid

Cool

Auto

Remote

Only

Duct

Heat

Sav

Auto

M4916

Set Program Em Ht Aux Ht

Comm Mon

TueWedThuFriSatSun

Occupied 12 Override

System Fan

Off Auto

Heat

Start Time

Cool

Set Day/Time

Fig. 8. LED display of all segments.

INSTALLER SETUP NUMBER DISPLAY (COLUMN 2 OF TABLE 2)

FACTORY SETTING OR OTHER CHOICE DISPLAY (COLUMN 3 OR 5 OF TABLE 2)

M10238B

Fig. 9. Installer Setup number and setting display.

Installer Setup numbers are listed in Table 2.

CAUTION

Possible Equipment Damage. Fan must be running when system is operating.

Configure heat pump and electric heat systems in Installer Setup 2 to prevent equipment damage caused by the system running without the fan.

IMPORTANT

Only configurable numbers are shown on the device. Example: If the thermostat does not have a system key, Installer Setup Number 12 will not be displayed. Review Table 2 factory settings and mark any desired changes in the Actual Setting column. When Installer Setup is complete, review the settings to confirm that they match the system.

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T7200D,E SERIES 2000 COMMERCIAL MICROELECTRONIC THERMOSTATS

Table 2. Thermostat Installer Setup Options.

Installer Setup

Number

(Press

Select

Unoccupied

Temp key

to change)

Factory Setting

Display Description Display Description

Not used. 1 — — — — —

Fan operation (T7200D only).

Degree temperature display.

Intelligent Fan™ operation.

Keypad lockout level (keypad lockout is enabled and disabled by dip switch 1 on thermostat back).

O/B Operation (T7200E only).

Minimum offtime for the compressor.

Temperature display adjustment.

Number 2 must be set to 1 to extend fan operation.

Some models may not have this feature.Table 2.

20Conventional applica-

14 0 Temperature is

17 2 Fan operates

25 0 No lockout. 1 or 2 1—Lockout all keys on

29 0 0—Energize in Cool

33 4 4-minute minimum

37 0 No difference in

tions where equipment controls fan operation in heat mode.

displayed in °F.

continuously in Occupied and Recovery mode. Fan operates with call for heating or cooling in Unoccupied mode.

mode.

off-time for the compressor.

displayed temperature and actual room temperature.

1 Electric heat applications

1 Temperature is displayed

0 or 1 0—Fan only operates with

11—Energize in Heat Mode.

0, 1, 2, 3 or 5

1 thru 6 1—Display adjusts to 1°F

Other Choices

(Press ▲ or ▼ key to change)

where thermostat controls fan operation in heat mode.

in °C.

calls for heating or cooling in Occupied and Unoccupied modes.

1—Fan operates

continuously in Occupied mode. Fan operates with calls for heating or cooling in Unoccupied mode.

thermostat except system and fan settings, temporary setpoint; clock and day adjustments.

2—Lockout all keys except

set Current Day/Time, increase ▲ and decrease ▼ keys.

3—Lockout all keys except

Temporary Occupied, Set Current Day/Time (for clock, day adjustments).

Minimum number of minutes (0 thru 5) the compressor will be off between calls for the compressor.

(0.6°C) higher than actual room temperature.

2—Display adjusts to 2°F

(1.1°C) higher than actual room temperature.

3—Display adjusts to 3°F

(1.7°C) higher than actual room temperature.

4—Display adjusts to 1°F

(0.6°C) lower than actual room temperature.

5—Display adjusts to 2°F

(1.1°C) lower than actual room temperature.

6—Display adjusts to 3°F

(1.7°C) lower than actual room temperature.

Actual

Setting

(continued)

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T7200D,E SERIES 2000 COMMERCIAL MICROELECTRONIC THERMOSTATS

Table 2. Thermostat Installer Setup Options (Continued).

Installer Setup

Number

Select

Minimum offtimes in heating.

Installer Setup lockout (keypad lockout is enabled and disabled by dip switch 1 on back of thermostat).

(Press

Unoccupied

Temp key

to change)

38 4 4—4-minute

40 0 0—No Installer Setup

Factory Setting

Display Description Display Description

minimum off-time.

lockout.

0, 1, 2, 3, or 5

1 1—Installer Setup lockout

Other Choices

(Press ▲ or ▼ key to change)

Minimum number of minutes (0 thru 5) the heating equipment will be off between calls for heat.

activated.

Actual

Setting

IMPORTANT

Review the settings to confirm that they match the system. Press Run Program to exit the Installer Setup. Set the current day and time immediately.

Setting Current Day and Time

1. Press Set Current Day/Time.

NOTE: On initial power up or after an extended

power loss, 1:00 pm flashes on the LCD until a key is pressed.

Set Current

Day/Time

Set Program Set Temperature Change

Occupied

Run

Start Time

Program

Temporary

Set Current

Occupied

Day/Time

Continous Unoccupied

Time/Temp

Occupied

Unoccupied

Temp

Start Time Day

Temp

Clear

Heat/Cool

Copy

Start Time

Settings

System Fan

Set Day/Time

Mon

2. Press Day until the current day is displayed.

NOTE: Sun=Sunday, Mon=Monday,

Tue=Tuesday, Wed=Wednesday, Thu=Thursday, Fri=Friday, Sat=Saturday.

Day

3. Press increase ▲ or decrease ▼ until the current

time is displayed.

NOTE: Tapping the Set Current Day/Time changes

Set Program Set Temperature Change

Time/Temp

Occupied

Unoccupied

Occupied

Run

Unoccupied

Temp

Start Time Day

Start Time

Program

Temp

Temporary

Set Current

Clear

Heat/Cool

Copy

Occupied

Day/Time

Start Time

Settings

Continous

System Fan

Unoccupied

the time in one hour increments.

Set Program Set Temperature Change

Time/Temp

Occupied

Unoccupied

Occupied

Run

Unoccupied

Temp

Start Time Day

Start Time

Program

Temporary Occupied

Continous Unoccupied

Temp

Set Current

Clear

Heat/Cool

Copy

Day/Time

Start Time

Settings

System Fan

Set Day/Time

Tue

Set Day/Time

Tue

4. Press Run Program.

Run

Program

Occupied

Run

Start Time

Program

Temporary

Set Current

Occupied

Day/Time

Continous Unoccupied

Set Program Set Temperature Change

Occupied

Unoccupied

Temp

Start Time Day

Temp

Clear

Heat/Cool

Copy

Start Time

Settings

System Fan

Time/Temp

INSTALLER SYSTEM TEST

Use the Installer System Test to check the thermostat configurations and operation. Refer to Table 3 for a list of the available system tests.

Table 3. Tests Available in Installer System Test.

M4951B

M4952B

M4953B

Test

Number System Test Description

10 to 19 Heating equipment can be turned on and

30 to 39 Cooling equipment can be turned on and

off

off 40 to 49 Fan equipment can be turned on and off 60 0 to

60 19 70 to 79 Thermostat information including date

Keyboard keys test

code, software versions and subbase

identification are displayed

To start the system test:

CAUTION

Possible Equipment Damage. Equipment damage can result if compressor is cycled too quickly.

The minimum off-time for compressors is bypassed during the Installer System Test.

Press and hold the increase ▲ and decrease ▼ keys, at the same time, until 10 appears. All segments of the LCD are displayed for three seconds before 10 appears. See Fig. 10 and 11.

Mon

Occupied 1

System Fan

Heat

Room

M4954A

Auto

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T7200D,E SERIES 2000 COMMERCIAL MICROELECTRONIC THERMOSTATS

Em Ht

Set Day/Time

NOTE: If a duct temperature sensor is installed, the duct

temperature is also displayed.

Refer to Table 4 and Thermostat Information section for directions and results of the specific system tests.

NOTE: Press Run Program to exit the system test. The

system test times out after four minutes if there are no additional key presses.

Set Program Em Ht Aux Ht

Comm Mon

TueWedThuFriSatSun

Occupied 12 Override

System Fan

Off Auto

Heat

Start Time

Cool

Set Day/Time

Fig. 10. LCD display of all segments.

Key to Press

Heating Equipment Test

Heat/Cool Settings

▲ 11 Heat turns on. The system fan is also energized. ▼ 10 Heat and system fan turn off.

Cooling Equipment Test

Heat/Cool Settings

▲ 31 Cool and system fan turn on. ▼ 30 Cool and system fan turn off.

Fan Equipment Test

Heat/Cool Settings

▲ 41 Fan turns on. ▼ 40 Fan turns off.

Key Operation Test

Heat/Cool Settings Unoccupied Temp

Occupied Temp

▲ 60 3 Increase test number is displayed. ▼ 60 5 Decrease test number is displayed.

Clear Start Time

Day

Copy

Unoccupied Start

TIme

System

(select models)

Fan (select models)

Set Current Day/Time

Run Program

Temporary Occupied

Occupied Start Time

Continuous

Unoccupied

Temporary Setting Enrg

Heat

Cool

Recovery

In Lo

Med

Wait

Auto

Table 4. Installer System Test Options.

Test

Number Description

10 Enter heating equipment test.

30 Change from heating to cooling equipment test.

40 Change from cooling to fan equipment test.

60 2 Change from fan to key operation test. 60 0 Unoccupied Temp test number is displayed. 60 1 Occupied Temp test number is displayed.

60 7 Clear Start Time test number is displayed. 60 8 Day test number is displayed. 60 9 Copy test number is displayed.

60 10 Unoccupied Start Time test number is displayed.

60 11 System test number is displayed.

60 12 Fan test number is displayed. 60 14 Set Current Day/Time test number is displayed. 60 15 Run Program test number is displayed. 60 16 Temporary Occupied test number is displayed. 60 17 Occupied Start Time test number is displayed. 60 19 Continuous Unoccupied test number is displayed.

%Humid

Remote

Only

Sav

Room

Duct

Auto

M4916

TEST NUMBER

Fig. 11. Test number display.

M10257A

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T7200D,E SERIES 2000 COMMERCIAL MICROELECTRONIC THERMOSTATS

Thermostat Information

1. Press the Heat/Cool Settings key to access the

thermostat information.

M4934

2. Press the increase ▲ key to display the production

date code. The first two large digits are the month and the third digit is the last digit of the year. (Example: 036 = March 1996).

M4931

3. Press the increase ▲ key again to display the

software identification code. (Example: 02 = software ID code 2).

M4932A

4. Press the increase ▲ key again to display the

software revision number. (Example: 001 = revision number 1).

M10229

5. Press the increase ▲ key again to display the

EEPROM identification code. (Example: 314 = EEPROM ID 314).

M4933A

6. Press the increase ▲ key again to display the

wallplate identification code. (Example: HP = heat pump wallplate).

M10290

7. Press Run Program to exit the system test. The

system test times out after four minutes without any key presses.

Setting Keypad Lockout Switch

The dip switch 1 on the back of the thermostat activates the Installer Setup lockout feature. The switch must be set to the ON position (up) to activate the lockout feature. See Fig. 12. The factory setting is off (down). Remove the thermostat from the wallplate and set the switch to ON if keypad lockout is desired. The level of lockout is determined by the Installer Setup number 40.

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BACK OF THERMOSTAT

Fig. 12. Set Installer Setup lockout dip switch 1

on back of thermostat.

DIP 1 IS ON

DIP 2 IS NOT USED.

M10235

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T7200D,E SERIES 2000 COMMERCIAL MICROELECTRONIC THERMOSTATS

TROUBLESHOOTING GUIDE

Symptom Possible Cause Action

Display does not turn on.

Temperature display is incorrect.

Temperature settings will not change. (Example: Cannot set heating higher or cooling lower.)

Unable to configure Installer Setup.

Temperature settings change from original setting.

Room temperature is out of control.

Heating does not turn on.

No power to thermostat. • Check that C terminal is connected to the system

Room temperature display has been reconfigured.

Thermostat is configured for °F or °C display.

Bad thermostat location. Relocate the thermostat. Upper or lower temperature

limits were reached.

Installer Setup is locked out. Reset the dip switch 1 on the back of the thermostat to enable

Heating and cooling setpoints are set too close together. There is a deadband in automatic changeover thermostat models. Example: cool setpoint = 72, deadband = 3, heat setpoint = 68, changing heat setpoint to 70 automatically changes the cool setpoint to 73.

Remote temperature sensing is not working.

No power to the thermostat. • Check that C terminal is connected to the system

Thermostat minimum off-time is activated and wait indicator is displayed.

System selection is not set to Heat.

transformer.

• Check for 24 Vac between C and R terminals. — If missing 24 Vac:

— check if the circuit breaker is tripped; if so, reset the

circuit breaker.

— check if the system fuse is blown; if so, replace the

fuse.

— check if the power switch on the HVAC equipment

is in the Off position; if so, set to the On position.

— check wiring between thermostat and HVAC

equipment and replace any broken wires and tighten any loose connections.

— If 24 Vac is present, proceed with troubleshooting.

Enter Installer Setup number 37 and reconfigure the display.

Enter Installer Setup number 14 and reconfigure the display.

Check the temperature setpoints:

• Heating limits are 40°F to 90°F (7°C to 31°C).

• Cooling limits are 45°F to 99°F (9°C to 37°C).

keypad.

• Check that the heating setpoint is lower than the cooling setpoint.

Checkout all remote sensors.

transformer.

• Check for 24 Vac between C and R terminals. — If missing 24 Vac:

— check if the circuit breaker is tripped; if so, reset the

circuit breaker.

— check if the system fuse is blown; if so, replace the

fuse.

— check if the system switch at the equipment is in

the Off position; if so, set to On position.

— check wiring between thermostat and HVAC

equipment and replace any broken wires and tighten any loose connections.

— If 24 Vac is present, proceed with troubleshooting.

•Wait up to five minutes for the system to respond.

• Enter Installer Setup number 38. Reconfigure minimum offtime (if required).

Set system selection to Heat.

(continued)

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T7200D,E SERIES 2000 COMMERCIAL MICROELECTRONIC THERMOSTATS

Troubleshooting Guide (continued).

Symptom Possible Cause Action

Cooling does not turn on.

System on indicator (flame = heat, snowflake = cool) is displayed, but no warm or cool air is coming from the registers.

No power to the thermostat. • Check that C terminal is connected to the system

Thermostat minimum off-time is activated and wait indicator is displayed.

System selection is not set to Cool.

Conventional heating equipment turns on the fan when the furnace has warmed up to a setpoint.

Heating or cooling equipment is not operating.

transformer

• Check for 24 Vac between C and R or RC and Y terminals. — If missing 24 Vac:

— check if the circuit breaker is tripped; if so, reset the

circuit breaker.

— check if the system fuse is blown; if so, replace the

fuse.

— check if the system switch at the equipment is in

the Off position; if so, set to the On position.

— check wiring between thermostat and HVAC

equipment and replace any broken wires and tighten any loose connections.

— If 24 Vac is present, proceed with troubleshooting.

• Wait up to five minutes for the system to respond.

• Enter Installer Setup number 33. Reconfigure minimum offtime (if required).

Set system selection to Cool.

Wait one minute after the on indicator lights and then check the registers.

Verify operation of heating or cooling equipment in system test.

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T7200D,E SERIES 2000 COMMERCIAL MICROELECTRONIC THERMOSTATS

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T7200D,E SERIES 2000 COMMERCIAL MICROELECTRONIC THERMOSTATS

Home and Building Control

Honeywell 1985 Douglas Drive North Minneapolis, MN 55422-4386

62-0128—2 J.S. Rev. 12-98

62-0128—2

Home and Building Control

Honeywell Limited/Honeywell Limitée 35 Dynamic Drive Scarborough, Ontario M1V 4Z9

www.honeywell.com/yourhome