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Honeywell T7300E Series Installation Instructions Manual

2000 commercial microelectronic heat pump thermostat
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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
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.
®U.S. Registered Trademark
Copyright © 1998 Honeywell Inc. •
Commercial Microelectronic
Heat Pump Thermostat
not
place your old
• All Rights Reserved
T7300E Series 2000
INSTALLATION INSTRUCTIONS
A.
ENGAGE TABS AT TOP OF THERMOSTAT AND SUBBASE OR WALLPLATE.
B.
PRESS LOWER EDGE OF CASE TO LATCH.
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.
X-XX UL
M4824A
62-0124-3

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  • Page 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. ®U.S. Registered Trademark 62-0124-3 Copyright © 1998 Honeywell Inc. • • All Rights Reserved X-XX UL...

  • Page 2: Installer Setup

    T7300E SERIES 2000 COMMERCIAL MICROELECTRONIC HEAT PUMP THERMOSTAT ENTER UNOCCUPIED SET OCCUPIED SET UNOCCUPIED TEMPERATURE PROGRAM MODE TEMPERATURE SETPOINTS AND SCROLLS ENTER OCCUPIED SETPOINTS THROUGH INSTALLER SETUP SET CURRENT DAY OR PROGRAM MODE AND SYSTEM TEST PROGRAM DAY Room Occupied...
  • Page 3 T7300E SERIES 2000 COMMERCIAL MICROELECTRONIC HEAT PUMP THERMOSTAT — To advance to the next Installer Setup number, press Temporary Setting Enrg Set Program Set Program Start Time Set Day/Time Set Day/Time the Unoccupied Temp key. Em Ht Em Ht — To return to a previous Installer Setup number, press...
  • Page 4 T7300E SERIES 2000 COMMERCIAL MICROELECTRONIC HEAT PUMP THERMOSTAT Table 2. Thermostat Installer Setup Options (Continued). Installer Setup Number (Press Other Choices Unoccupied Factory-Setting (Press key to change) Temp key Actual to change) Setting Select Display Description Display Description Clock format...

  • Page 5: Setting Current Day And Time

    T7300E SERIES 2000 COMMERCIAL MICROELECTRONIC HEAT PUMP THERMOSTAT Table 2. Thermostat Installer Setup Options (Continued). Installer Setup Number (Press Other Choices Unoccupied Factory-Setting (Press key to change) Temp key Actual to change) Setting Select Display Description Display Description Minimum off 4—4 minute minimum...
  • Page 6 T7300E SERIES 2000 COMMERCIAL MICROELECTRONIC HEAT PUMP THERMOSTAT To start the system test: CAUTION The minimum off time for compressors is bypassed during the Installer System Test. Equipment damage can occur if the compressor is cycled too quickly. M10257A TEST NUMBER...

  • Page 7: Thermostat Information

    T7300E SERIES 2000 COMMERCIAL MICROELECTRONIC HEAT PUMP THERMOSTAT Table 4. Installer System Test Options (Continued). Key to Test Press 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.

  • Page 8: Troubleshooting Guide

    T7300E SERIES 2000 COMMERCIAL MICROELECTRONIC HEAT PUMP THERMOSTAT 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 lockout feature.
  • Page 9 T7300E SERIES 2000 COMMERCIAL MICROELECTRONIC HEAT PUMP THERMOSTAT TROUBLESHOOTING GUIDE (Continued). Symptom Possible Cause Action Temperature settings Trying to set heating and • Check that the heating setpoint is lower than the change from original cooling setpoints too close cooling setpoint.
  • Page 10 T7300E SERIES 2000 COMMERCIAL MICROELECTRONIC HEAT PUMP THERMOSTAT 62-0124—3...
  • Page 11 T7300E SERIES 2000 COMMERCIAL MICROELECTRONIC HEAT PUMP THERMOSTAT 62-0124—3...
  • Page 12 T7300E SERIES 2000 COMMERCIAL MICROELECTRONIC HEAT PUMP THERMOSTAT Home and Building Control Home and Building Control Honeywell Honeywell Limited/Honeywell Limitée 1985 Douglas Drive North 35 Dynamic Drive Minneapolis, MN 55422-4386 Scarorough, Ontario M1V 4Z9 62-0124—3 L.C. Rev. 12-98 www.honeywell.com/yourhome 62-0124—3...

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