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X-XX UL

INSTALLATION INSTRUCTIONS

®U.S. Registered Trademark
Copyright © 1998 Honeywell Inc.  •            •   All Rights Reserved

T7300E Series 2000

Commercial Microelectronic

Heat Pump Thermostat

APPLICATION

The T7300E Commercial Microelectronic Heat Pump
Thermostat provides electronic control of 24 Vac commer-
cial single zone heating, ventilating and air conditioning
(HVAC) equipment. It is designed for use with Q7300C,D
Subbases in heat pump applications. The T7300E
Thermostat is field configurable for automatic or manual
changeover between heating and cooling. The system and
fan selections are made by keyboard entry. All T7300E
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 

not place your old

control in the trash.

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

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.

Mounting Thermostat on Subbase

The thermostat mounts on the subbase after it is installed.

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

See Fig. 1.

2. Press lower edge of case to latch.

NOTE:

To remove the thermostat from the wall, first pull
out at the bottom of the thermostat; then remove
the top.

Fig. 1. Mounting thermostat on subbase.

SETTINGS

Using Thermostat Keys

The thermostat keys are used to:

set current time and day,

program times and setpoints for heating and cooling,

override the program temperatures,

display present setting,

set system and fan operation,

configure Installer Setup,

check Installer System Test.

See Fig. 2 for key information.

M4824A

B.

  

PRESS LOWER EDGE OF CASE TO LATCH.

A.

  

ENGAGE TABS AT TOP OF THERMOSTAT AND SUBBASE OR WALLPLATE.

62-0124-3

Summary of Contents for T7300E Series

Page 1: ...duct 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 operat...

Page 2: ...ic 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 with both the increase and decrease keys until the first number is displayed All display segments appear for approximately three se...

Page 3: ...e settings to confirm that they match the system Fig 4 Display of Installer Setup number and setting M10238B INSTALLER SETUP NUMBER DISPLAY COLUMN 2 OF TABLE 2 FACTORY SETTING OR OTHER CHOICE DISPLAY COLUMN 3 OR 5 OF TABLE 2 Table 2 Thermostat Installer Setup Options continued Installer Setup Number Press Unoccupied Temp key Factory Setting Other Choices Press or key to change Actual Select to cha...

Page 4: ...sing activated Keypad lockout level keypad lockout is enabled and disabled by DIP switch 1 on back of thermostat 25 0 No lockout 1 2 3 1 Lockout all keys on 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 day and clock keys Duration of te...

Page 5: ...y M4952B Set Program Set Temperature Change Time Temp Occupied Temp Unoccupied Start Time Day System Fan Copy Occupied Start Time Run Program Temporary Occupied Continous Unoccupied Set Current Day Time Clear Start Time Unoccupied Temp Heat Cool Settings Day PM Tue Set Day Time 3 Press increase or decrease until the current time is displayed NOTE Tapping the Set Current Day Time will change the ti...

Page 6: ...ram to exit the system test The system test times out after four minutes without any key presses continued Key to Press Test Number Description Heating Equipment System Test Heat Cool Settings 10 Enter heating equipment system test 11 Stage one heat comes on The system fan is also energized 12 Stage two heat comes on Stage one heat and system fan remain on 13 Stage three heat comes on Stage one an...

Page 7: ...s Test Number Description Key Operation System Test Heat Cool Settings 60 2 Change from fan to key operation system test Unoccupied Temp 60 0 Unoccupied Temp test number is displayed Occupied Temp 60 1 Occupied Temp test number is displayed 60 3 Increase test number is displayed 60 5 Decrease test number is displayed Clear Start Time 60 7 Clear Start Time test number is displayed Day 60 8 Day test...

Page 8: ... Vac check if the circuit breaker is tripped reset the circuit breaker check if the system fuse is blown replace the fuse check if the power switch on the HVAC equipment is in the Off position set to the On position check wiring between thermostat and HVAC equipment replace any broken wires and tighten any loose connections If 24 Vac is present proceed with troubleshooting Temperature display is i...

Page 9: ...s present proceed with troubleshooting Thermostat minimum off time is activated and wait indicator is displayed Wait up to five minutes for the system to respond Enter Installer Setup number 38 Reconfigure minimum off time if required System selection is not set to Heat Set system selection to Heat Cooling will not come on No power to the thermostat Check that X terminal is connected to the system...

Page 10: ...62 0124 3 10 T7300E SERIES 2000 COMMERCIAL MICROELECTRONIC HEAT PUMP THERMOSTAT ...

Page 11: ...62 0124 3 11 T7300E SERIES 2000 COMMERCIAL MICROELECTRONIC HEAT PUMP THERMOSTAT ...

Page 12: ...AT PUMP THERMOSTAT Home and Building Control Honeywell Limited Honeywell Limitée 35 Dynamic Drive Scarorough Ontario M1V 4Z9 62 0124 3 L C Rev 12 98 www honeywell com yourhome Home and Building Control Honeywell 1985 Douglas Drive North Minneapolis MN 55422 4386 ...

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