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APPLICATION
The T7300D Series 2000 Commercial Microelectronic
Thermostat provides electronic control of 24 Vac
commercial single zone heating, ventilating and air
conditioning (HVAC) equipment. It is designed for use
with Q7300A,G,L subbases for conventional heat/cool
applications. The T7300D is field configurable for
automatic or manual changeover between heating and
cooling. The system and fan selections are done by a
keyboard entry. All T7300D 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.
®U.S. Registered Trademark
Copyright © 1998 Honeywell Inc. •
Commercial Microelectronic
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.
• All Rights Reserved
T7300D 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.
X-XX UL
Thermostat
M4824A
62-0123-3
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Table of Contents
Related Manuals for Honeywell SERIES 2000 T7300D
Summary of Contents for Honeywell SERIES 2000 T7300D
- Page 1 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. • T7300D Series 2000 Commercial Microelectronic ENGAGE TABS AT TOP OF THERMOSTAT AND SUBBASE OR WALLPLATE.
-
Page 2: Setting Temperature
System COPY ONE PROGRAMMED DAY TO ANOTHER DAY Fig. 2. Thermostat key locations and descriptions. INSTALLER SETUP NOTE: For most applications, the thermostat factory- The Installer Setup is used by the installer to customize the thermostat to specific systems. Installer Setup numbers are listed in Table 2. - Page 3 Only configurable numbers are shown on the device. Example: If 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.
- Page 4 T7300D SERIES 2000 COMMERCIAL MICROELECTRONIC THERMOSTAT Table 2. Thermostat Installer Setup Options (Continued). Installer Setup Number (Press Unoccupied Temp key to change) Select Cooling cycle rate System setting adjustment (models with System key) Degree tempera- ture display Clock format Intelligent Fan™...
-
Page 5: Setting Current Day And Time
Table 2. Thermostat Installer Setup Options (Continued). Installer Setup Number (Press Unoccupied Temp key to change) Select Temperature display adjustment Minimum off times in heating Installer Setup lockout (keypad lockout is enabled and disabled by DIP switch 1 on back... -
Page 6: Installer System Test
Settings Continous Unoccupied System 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. Test... -
Page 7: Thermostat Information
The first two large digits are the month and the third digit is the last digit of the year. (Example: 036 = March 1996) T7300D SERIES 2000 COMMERCIAL MICROELECTRONIC THERMOSTAT Table 4. Installer Self-Test Options (Continued). Change from heating to cooling equipment system test. -
Page 8: Troubleshooting Guide
Setting Keypad Lockout Switch The DIP switch 1 on the back of the thermostat activates the lockout feature. The switch must be set to the ON position (up) to activate the lockout feature. See Fig. 7. - Page 9 — check if the system fuse is blown—replace the — check if the system switch at the equipment is in — check wiring between thermostat and HVAC — If 24 Vac is present, proceed with troubleshooting. • Wait up to five minutes for the system to respond.
- Page 10 T7300D SERIES 2000 COMMERCIAL MICROELECTRONIC THERMOSTAT 62-0123—3...
- Page 11 T7300D SERIES 2000 COMMERCIAL MICROELECTRONIC THERMOSTAT 62-0123—3...
- Page 12 T7300D SERIES 2000 COMMERCIAL MICROELECTRONIC THERMOSTAT Home and Building Control Honeywell 1985 Douglas Drive North Minneapolis, MN 55422-4386 62-0123—3 62-0123—3 L.C. Rev. 12-98 Printed in Taiwan R.O.C. Home and Building Control Honeywell Limited/Honeywell Limitée 35 Dynamic Drive Scarborough, Ontario M1V 4Z9 www.honeywell.com/yourhome...