Installation Instructions
Page 1
...(See Fig. 2). Failure to the subbase. OR MULTI-STAGE CONVENTIONAL/HEAT PUMP SYSTEMS APPLICATION The T7351 Commercial Programmable Thermostat controls 24 Vac commercial single zone heating, ventilating and air conditioning (HVAC) equipment. Contact your old control in these instructions ... product to sense ambient conditions, install the thermostat in an area that contains mercury in an area with good air circulation at 1-800-468-1502. INSTALLATION INSTRUCTIONS - If you have questions, call Honeywell Customer Care Center at average temperature (See Fig...
...(See Fig. 2). Failure to the subbase. OR MULTI-STAGE CONVENTIONAL/HEAT PUMP SYSTEMS APPLICATION The T7351 Commercial Programmable Thermostat controls 24 Vac commercial single zone heating, ventilating and air conditioning (HVAC) equipment. Contact your old control in these instructions ... product to sense ambient conditions, install the thermostat in an area that contains mercury in an area with good air circulation at 1-800-468-1502. INSTALLATION INSTRUCTIONS - If you have questions, call Honeywell Customer Care Center at average temperature (See Fig...
Installation Instructions
Page 2
... when not level. 2. Fig. 3. Engage top subbase tabs into the drilled holes until flush with the wall. 5. ENGAGE TABS AT TOP OF THERMOSTAT AND SUBBASE OR WALLPLATE. B. T7351 COMMERCIAL PROGRAMMABLE THERMOSTAT Mounting Subbase The subbase mounts horizontally. Mount to a 2 in a horizontal line) with the LCD facing upwards). Use a pencil to latch. Swing the...
... when not level. 2. Fig. 3. Engage top subbase tabs into the drilled holes until flush with the wall. 5. ENGAGE TABS AT TOP OF THERMOSTAT AND SUBBASE OR WALLPLATE. B. T7351 COMMERCIAL PROGRAMMABLE THERMOSTAT Mounting Subbase The subbase mounts horizontally. Mount to a 2 in a horizontal line) with the LCD facing upwards). Use a pencil to latch. Swing the...
Installation Instructions
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...1. Plug the hole with call for heat or cool. - Cool: Thermostat controls cooling. - plenum switch) controls fan operation in the wall. 4. T7351 COMMERCIAL PROGRAMMABLE THERMOSTAT Wiring Follow equipment manufacturer wiring instructions when available. Push excess wire back into... the hole in heat mode. SETTINGS Using Thermostat Keys The thermostat keys are locked off . - Conventional: The equipment...
...1. Plug the hole with call for heat or cool. - Cool: Thermostat controls cooling. - plenum switch) controls fan operation in the wall. 4. T7351 COMMERCIAL PROGRAMMABLE THERMOSTAT Wiring Follow equipment manufacturer wiring instructions when available. Push excess wire back into... the hole in heat mode. SETTINGS Using Thermostat Keys The thermostat keys are locked off . - Conventional: The equipment...
Installation Instructions
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...MonTueWedThuFriSatSunHol MinsDays Fan Em Heat Off Cool Auto Dehumid OnAuto M19611 Fig. 6. a. M19610 INSTALLER SETUP For most applications, the thermostat factory settings do not need to YES before starting this mode displays the T7351 firmware version number. Upon this automatic exit,...when system is unavailable for 30 seconds after five minutes with the keypad using the Installer Setup (ISU). T7351 COMMERCIAL PROGRAMMABLE THERMOSTAT Occupied HEAT Temperature COOL Not Occupied HEAT COOL Set Day/Time Day Time Override Temporary Temporary Occupied Not Occupied ...
...MonTueWedThuFriSatSunHol MinsDays Fan Em Heat Off Cool Auto Dehumid OnAuto M19611 Fig. 6. a. M19610 INSTALLER SETUP For most applications, the thermostat factory settings do not need to YES before starting this mode displays the T7351 firmware version number. Upon this automatic exit,...when system is unavailable for 30 seconds after five minutes with the keypad using the Installer Setup (ISU). T7351 COMMERCIAL PROGRAMMABLE THERMOSTAT Occupied HEAT Temperature COOL Not Occupied HEAT COOL Set Day/Time Day Time Override Temporary Temporary Occupied Not Occupied ...
Installation Instructions
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... from unoccupied to 150 seconds in 10 second increments Advanced Settings NO: Hide YES: Show 5 62-0258-05 T7351 COMMERCIAL PROGRAMMABLE THERMOSTAT Text Default Choices HEATPMP 0 0 - 2 COOLSTG 1 0 - 4 HEATSTG 1 0 - 3 AUX STG 0 0 - 2 AUX CON 0 0 - 3 WALLMOD 0 0 - 3 OATSENS 0 DATSENS 0 HUMSENS 0 0 - 1 0 - 1 0 - 2 OCCSENS 0 0... pressed again, the timer will restart.) (Bypass 1 means that by pressing the override button a second time the thermostat can return to the unoccupied period.) Outdoor Air Sensor Selection 0: None 1: Remote Outdoor Air Sensor Discharge Air Sensor ...
... from unoccupied to 150 seconds in 10 second increments Advanced Settings NO: Hide YES: Show 5 62-0258-05 T7351 COMMERCIAL PROGRAMMABLE THERMOSTAT Text Default Choices HEATPMP 0 0 - 2 COOLSTG 1 0 - 4 HEATSTG 1 0 - 3 AUX STG 0 0 - 2 AUX CON 0 0 - 3 WALLMOD 0 0 - 3 OATSENS 0 DATSENS 0 HUMSENS 0 0 - 1 0 - 1 0 - 2 OCCSENS 0 0... pressed again, the timer will restart.) (Bypass 1 means that by pressing the override button a second time the thermostat can return to the unoccupied period.) Outdoor Air Sensor Selection 0: None 1: Remote Outdoor Air Sensor Discharge Air Sensor ...
Installation Instructions
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...; - 120° F Maximum Cool Outdoor Air Temperature (Only Displayed if Outdoor Sensor is (21° C) (-29° - 49° C) Selected) 62-0258-05 6 F 1: 1 Deg. T7351 COMMERCIAL PROGRAMMABLE THERMOSTAT Table 3.
...; - 120° F Maximum Cool Outdoor Air Temperature (Only Displayed if Outdoor Sensor is (21° C) (-29° - 49° C) Selected) 62-0258-05 6 F 1: 1 Deg. T7351 COMMERCIAL PROGRAMMABLE THERMOSTAT Table 3.
Installation Instructions
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... = First Sunday etc... Also can be configured to schedule up to set ), cycles through setup options. Press Set Day and Set Time keys simultaneously. 2. T7351 COMMERCIAL PROGRAMMABLE THERMOSTAT Text Default Choices DSTMON1 3 DSTDAY1 40 0 - 12 0 - 31, 32 - 74 DSTMON2 11 DSTDAY2 33 0 - 12 0 - 31, 32 - 74 HT RESP 1 0 - 3 CL RESP 0 0 - 1 Table 3. Holidays...
... = First Sunday etc... Also can be configured to schedule up to set ), cycles through setup options. Press Set Day and Set Time keys simultaneously. 2. T7351 COMMERCIAL PROGRAMMABLE THERMOSTAT Text Default Choices DSTMON1 3 DSTDAY1 40 0 - 12 0 - 31, 32 - 74 DSTMON2 11 DSTDAY2 33 0 - 12 0 - 31, 32 - 74 HT RESP 1 0 - 3 CL RESP 0 0 - 1 Table 3. Holidays...
Installation Instructions
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T7351 COMMERCIAL PROGRAMMABLE THERMOSTAT Grouping Temperature Set Override Schedule Table 5. T7351 Key Function Summary. (Continued) Button Definition Occupied Heat Occupied Cool Not Occupied Heat Not Occupied Cool Sets Occupied ...
T7351 COMMERCIAL PROGRAMMABLE THERMOSTAT Grouping Temperature Set Override Schedule Table 5. T7351 Key Function Summary. (Continued) Button Definition Occupied Heat Occupied Cool Not Occupied Heat Not Occupied Cool Sets Occupied ...
Installation Instructions
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...occur if the compressor is not recommended. To cancel this operation saves the current schedule (including holidays) to check the thermostat configurations and operation. To verify whether or not the system test is bypassed during cooling. b. Hysteresis and a minimum ... both Reheat and Reset options can control for multiple cooling stages. 9 62-0258-05 NOTES: - - NOTES: - - T7351 COMMERCIAL PROGRAMMABLE THERMOSTAT Test Mode (Occupied/Not Occupied/ Schedule Day) CAUTION Possible Equipment Damage. The display gives the option to control another device. To retrieve...
...occur if the compressor is not recommended. To cancel this operation saves the current schedule (including holidays) to check the thermostat configurations and operation. To verify whether or not the system test is bypassed during cooling. b. Hysteresis and a minimum ... both Reheat and Reset options can control for multiple cooling stages. 9 62-0258-05 NOTES: - - NOTES: - - T7351 COMMERCIAL PROGRAMMABLE THERMOSTAT Test Mode (Occupied/Not Occupied/ Schedule Day) CAUTION Possible Equipment Damage. The display gives the option to control another device. To retrieve...
Installation Instructions
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... cooling stages for two reasons: 1. Hot Gas Bypass Dehumidification Logic. Hysteresis and a minimum timer prevent short cycling of this output. 62-0258-05 10 T7351 COMMERCIAL PROGRAMMABLE THERMOSTAT Dehumid Hot Gas BP The auxiliary output operates as shown in Table 6.
... cooling stages for two reasons: 1. Hot Gas Bypass Dehumidification Logic. Hysteresis and a minimum timer prevent short cycling of this output. 62-0258-05 10 T7351 COMMERCIAL PROGRAMMABLE THERMOSTAT Dehumid Hot Gas BP The auxiliary output operates as shown in Table 6.
Installation Instructions
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...two-stage heat and two-stage cool heat pump system with two transformers. M29254 Fig. 8. Typical hookup of T7351F2010 in two-stage heat and four-stage cool conventional system. 11 62-0258-05 M29323 Fig. 7. PROVIDE ...5 HUMIDITY SENSOR MOTION SENSOR 3 HEAT FAN RELAY 1 RELAY COMPRESSOR CONTACTOR 3 1 2 L2 L1 (HOT) COMPRESSOR CONTACTOR 1 4 ECONOMIZER 1 POWER SUPPLY. WIRING DIAGRAMS T7351 COMMERCIAL PROGRAMMABLE THERMOSTAT GND SENSOR SET PT LED BYPASS TR23-H REMOTE SENSOR 1 2 3 4 5 6 7 8 9 10 11 12 OUTDOOR AIR SENSOR DISCHARGE AIR SENSOR COMPRESSOR CONTACTOR 2 AUX...
...two-stage heat and two-stage cool heat pump system with two transformers. M29254 Fig. 8. Typical hookup of T7351F2010 in two-stage heat and four-stage cool conventional system. 11 62-0258-05 M29323 Fig. 7. PROVIDE ...5 HUMIDITY SENSOR MOTION SENSOR 3 HEAT FAN RELAY 1 RELAY COMPRESSOR CONTACTOR 3 1 2 L2 L1 (HOT) COMPRESSOR CONTACTOR 1 4 ECONOMIZER 1 POWER SUPPLY. WIRING DIAGRAMS T7351 COMMERCIAL PROGRAMMABLE THERMOSTAT GND SENSOR SET PT LED BYPASS TR23-H REMOTE SENSOR 1 2 3 4 5 6 7 8 9 10 11 12 OUTDOOR AIR SENSOR DISCHARGE AIR SENSOR COMPRESSOR CONTACTOR 2 AUX...
Installation Instructions
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Replace broken wires and tighten loose connections. Bad thermostat location. powered. if so, replace fuse. • Check if the HVAC equipment power switch is out of T7351F2010 in the Off position; If 24 Vac is present, proceed with one transformer. Press both ... the stop(s). Room temperature is in three-stage heat and three-stage cool conventional system with troubleshooting. Check all systems shut down). T7351 COMMERCIAL PROGRAMMABLE THERMOSTAT GND SENSOR SET PT LED BYPASS TR23-H REMOTE SENSOR 1 2 3 4 5 6 7 8 9 10 11 12 OUTDOOR AIR SENSOR DISCHARGE...
Replace broken wires and tighten loose connections. Bad thermostat location. powered. if so, replace fuse. • Check if the HVAC equipment power switch is out of T7351F2010 in the Off position; If 24 Vac is present, proceed with one transformer. Press both ... the stop(s). Room temperature is in three-stage heat and three-stage cool conventional system with troubleshooting. Check all systems shut down). T7351 COMMERCIAL PROGRAMMABLE THERMOSTAT GND SENSOR SET PT LED BYPASS TR23-H REMOTE SENSOR 1 2 3 4 5 6 7 8 9 10 11 12 OUTDOOR AIR SENSOR DISCHARGE...
Installation Instructions
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...proceed with troubleshooting. Heating or cooling Wait one minute after the furnace has warmed to the On position. • Check wiring between thermostat and HVAC equipment. equipment is tripped; If missing 24 Vac: • Check if circuit breaker is not operating. 13 62-0258...8226; Check if system fuse is Check if any stage indicators (dots next to respond. displayed. Cooling will not come on . T7351 COMMERCIAL PROGRAMMABLE THERMOSTAT Table 7. Replace broken wires and tighten loose connections. If 24 Vac is set to a setpoint. Check for the system to the ...
...proceed with troubleshooting. Heating or cooling Wait one minute after the furnace has warmed to the On position. • Check wiring between thermostat and HVAC equipment. equipment is tripped; If missing 24 Vac: • Check if circuit breaker is not operating. 13 62-0258...8226; Check if system fuse is Check if any stage indicators (dots next to respond. displayed. Cooling will not come on . T7351 COMMERCIAL PROGRAMMABLE THERMOSTAT Table 7. Replace broken wires and tighten loose connections. If 24 Vac is set to a setpoint. Check for the system to the ...
Installation Instructions
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T7351 COMMERCIAL PROGRAMMABLE THERMOSTAT Automation and Control Solutions Honeywell International Inc. 1985 Douglas Drive North Golden Valley, MN 55422 Honeywell Limited-Honeywell Limitée 35 Dynamic Drive Toronto, Ontario M1V 4Z9 customer.honeywell.com ® U.S. Rev. 09-10 Printed in U.S.A. Registered Trademark © 2010 Honeywell International Inc. 62-0258-05 M.S.
T7351 COMMERCIAL PROGRAMMABLE THERMOSTAT Automation and Control Solutions Honeywell International Inc. 1985 Douglas Drive North Golden Valley, MN 55422 Honeywell Limited-Honeywell Limitée 35 Dynamic Drive Toronto, Ontario M1V 4Z9 customer.honeywell.com ® U.S. Rev. 09-10 Printed in U.S.A. Registered Trademark © 2010 Honeywell International Inc. 62-0258-05 M.S.