Honeywell T7350- Manual

Honeywell T7350

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Table of Contents:

  • Page 2 – ORDERING INFORMATION; FEATURES; Features Available via PDA Configuration
  • Page 3 – SPECIFICATIONS
  • Page 6 – INSTALLATION; MERCURY NOTICE; Location; Subbase; CAUTION; Mounting Subbase
  • Page 8 – Wiring
  • Page 11 – SETTINGS; Using Thermostat Keys; System Settings
  • Page 12 – INSTALLER SETUP; Setup Using Keypad
  • Page 13 – Configuration; Special Functions
  • Page 15 – PROGRAMMING; Setting Current Day/Time; Setting Schedule Times; Program Holidays
  • Page 16 – Copying a Day; Setpoint Limits; Temperature Setpoint Overrides
  • Page 18 – OPERATION; Startup Operation; O/B Terminal for Heat or Cool Changeover; only; Equipment Protection; Cycle Rates
  • Page 19 – Recovery Ramping Logic; Recovery Ramping for Conventional Systems
  • Page 20 – Auxiliary Relay; Relay for Economizers
  • Page 22 – Control Through Cooling; Options Utilizing Auxiliary Output
  • Page 30 – Hardware Requirements; Setting Clock; PDA Programming
  • Page 34 – Holidays
  • Page 35 – Online Diagnostics
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PRODUCT DATA

Put Bar Code Here

63-2605—5

T7350 Commercial Programmable Thermostat

FOR SINGLE- OR MTG512ULTI-STAGE CONVENTIONAL/HEAT PUMP

SYSTEMS

APPLICATION

The T7350 Commercial Programmable Thermostat controls

24 Vac commercial single zone heating, ventilating and air

conditioning (HVAC) equipment. The T7350 consists of a

thermostat and subbase. The thermostat includes the keypad

and display for 7-day programming. The subbase includes

equipment control connections. The subbase mounts on the

wall and the thermostat mounts to the subbase.

FEATURES

• Typically used in buildings (including: restaurants,

shopping malls, office buildings and banks) under

55,000 square feet.

• For single zone rooftop units, split systems, heat

pumps or hot/chilled water systems.

• 7-day programming.
• Two Occupied and two Not Occupied periods per day.
• Thermostat Interface Module (TIM) connections to

thermostat from PDA for advanced configuration,

programming, keypad lockout, etc. changes can be

made with thermostat mounted.

• Individual heat and cool setpoints available for

Occupied and Not Occupied periods.

• P+I+D control minimizes temperature fluctuations.
• Recovery ramp control automatically optimizes

equipment start times based on building load.

• Convenient overrides allow temporary setpoint

changes.

• Keypad multi-level lockout available with all models.
• Remote sensor capability for temperature (including

outdoor air and discharge air) and humidity sensors.

• Auxiliary subbase contact typically interface with a

Honeywell Economizer System (for total rooftop

control integration) or act as dehumidification output.

• Universal Versaguard™ Thermostat guards available.
• T7350H provides networking capability on LonWorks

®

Bus using a Free Topology Transceiver (FTT).

• T7350H Conforms to LonMark

®

Space Comfort Profile

for rooftop applications.

continued

Contents

Specifications ...................................................................

3

Installation ........................................................................

6

Settings ............................................................................ 11

Installer Setup .................................................................. 12

Programming .................................................................... 15

Operation .......................................................................... 18

Troubleshooting Guide (Table 19) .................................... 23

Wiring Diagrams (Fig. 17-25) ........................................... 25

Appendix - PDA Usage .................................................... 30

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Summary

Page 2 - ORDERING INFORMATION; FEATURES; Features Available via PDA Configuration

T7350 COMMERCIAL PROGRAMMABLE THERMOSTAT 63-2548—5 2 ORDERING INFORMATION When purchasing replacement and modernization products from your TRADELINE® wholesaler or distributor, refer to the TRADELINE® Catalog or price sheets for complete ordering number. If you have additional questions, need furthe...

Page 3 - SPECIFICATIONS

T7350 COMMERCIAL PROGRAMMABLE THERMOSTAT 3 63-2605—5 SPECIFICATIONS IMPORTANT The specifications given in this publication do not include normal manufacturing tolerances. Therefore, this unit might not exactly match listed specifications. This product is tested and calibrated under closely controlle...

Page 6 - INSTALLATION; MERCURY NOTICE; Location; Subbase; CAUTION; Mounting Subbase

T7350 COMMERCIAL PROGRAMMABLE THERMOSTAT 63-2605—5 6 INSTALLATION When Installing this Product... 1. Read these instructions carefully. Failure to follow them could damage the product or cause a hazardous condition. 2. Check ratings given in instructions and on the product to ensure the product is s...

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