Honeywell SuitePRO TB8575 Installation Instructions Manual
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- Installation instructions manual (21 pages) ,
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TB6575/TB8575 SuitePRO™
Digital Fan Coil Thermostats
PRODUCT DESCRIPTION
The SuitePRO™ is a family of digital fan coil thermostats
for residential and commercial applications such as
hotels, condominiums, school classrooms, etc.
Four models are available for your application:
• TB6575A1000: 2-pipe or 4-pipe with seasonal/manual/
automatic heat/cool changeover; 120/240 Vac.
• TB6575B1000: 2-pipe only with seasonal or manual
heat/cool changeover; 120/240 Vac.
• TB6575C1000: 2-pipe or 4-pipe with seasonal/manual/
automatic heat/cool changeover; 120/240/277 Vac.
• TB8575A1000: 2-pipe or 4-pipe with seasonal heat/
cool changeover; 24Vac.
All four models are suitable for multiple applications.
Changes in output wiring and external links between
wiring terminals allow you to configure the thermostat for
the appropriate application.
The applications that are available are:
• Heating or cooling only
• Two pipes: heat or cool with manual changeover
• Two pipes: heat or cool with seasonal changeover
(requires optional pipe sensor)
• Two pipes: heat or cool with auxiliary heat and manual
or seasonal changeover (requires optional pipe
sensor)
• Four pipes: mixed manual and auto changeover
• Four pipes: manual changeover
• Four pipes: auto changeover
The fan is controlled from the thermostat. The low,
medium, high, or auto fan settings are easily made with a
press of a key.
Valves and auxiliary electric heaters can be controlled using
a relay or contactor controlled by the system switch.
INSTALLATION INSTRUCTIONS
FEATURES
• Simple, intuitive user interface.
• Pre-installed lead wires for fast installation
(TB6575A, TB6575B and TB6575C models only)
• Backlight display permits easy viewing in any
light.
• Four buttons allow manual control of system
operation, fan speed, and temperature setpoint
adjustment.
• Digital display of ambient temperature, setpoint,
heating or cooling mode, fan status, and remote
setback
• Proportional plus Integral (P+I) control algorithm
for precision temperature regulation.
• Single Setpoint and Heat/Cool setpoint methods
for 4-pipe Auto Changeover.
• Adjustable maximum heating and minimum
cooling setpoint limits using range stops.
• EEPROM permanently retains user settings,
including setpoints, during power loss (no
batteries required).
• Selectable °C or °F display via Setup button on
thermostat.
• Displayable pipe sensor temperature readout to
aid in troubleshooting.
• Selectable to allow the fan motor to always begin
on high speed to ensure sufficient torque at
startup.
• Option to wire a remote indoor temperature
sensor.
• Freeze protect algorithm turns on heat when
needed.
• Economy Setback options via dry contact or
Activity Sensing
• Advanced fan control with VersaSpeed
ramp algorithm and Auto Fan Reset
TM
fan
62-0278—13
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Table of Contents
Related Manuals for Honeywell SuitePRO TB8575
Summary of Contents for Honeywell SuitePRO TB8575
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Page 1: Installation Instructions
TB6575/TB8575 SuitePRO™ Digital Fan Coil Thermostats INSTALLATION INSTRUCTIONS FEATURES • Simple, intuitive user interface. • Pre-installed lead wires for fast installation (TB6575A, TB6575B and TB6575C models only) • Backlight display permits easy viewing in any light. • Four buttons allow manual control of system operation, fan speed, and temperature setpoint adjustment. -
Page 2: Specifications
TB6575/TB8575 SUITEPRO™ DIGITAL FAN COIL THERMOSTATS SPECIFICATIONS Enclosure: Plastic (cover, sub-base, and optional adap- tor plate) Supply Voltages: Junction Box Mounting: Direct mounting on a horizontal TB6575A1000 and TB6575B1000: single gang NEMA 2 x 4 in. surface mount electrical box, •... -
Page 3: Installation
TB6575/TB8575 SUITEPRO™ DIGITAL FAN COIL THERMOSTATS Table 2. Applications and Features Applications Features Heat/Cool/ Pipes Voltage Number Energy Fan: On, Manual/ Remote Back Pipe Auto Savings Auto, or 3 Auto Sensor Light of Relays Sensor Models Input speed Changeover TB6575A1000 All 2 or 4 120 or 240 Vac TB6575B1000 Heat or... - Page 4 TB6575/TB8575 SUITEPRO™ DIGITAL FAN COIL THERMOSTATS adaptor plate (50033847-001) can be used with a 4 x 4 in. b. For the TB8575A1000 model (which does not or a vertical junction box, for which mounting screws are have pre-wired fly leads): supplied (see Fig.
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Page 5: Terminal Wiring
TB6575/TB8575 SUITEPRO™ DIGITAL FAN COIL THERMOSTATS MOUNT ADAPTOR PLATE ONTO ADAPTOR 4X4 WIRING BOX OR 2X4 PLATE VERTICAL JUNCTION BOX USING TWO SCREWS SUB-BASE MOUNT SUB-BASE ONTO WALL PLATE USING TWO SCREWS ADAPTOR PLATE SCREW HEAD COVER INSERT SCREW TO LOCK MAIN SNAP MAIN BODY BODY TO ONTO SUB-BASE... - Page 6 TB6575/TB8575 SUITEPRO™ DIGITAL FAN COIL THERMOSTATS Table 3. Terminal Wiring. Terminals Model Application 10 11 TB6575A1000 — 120/240 Vac TB6575C1000 — 120/240/277 Vac Terminal Identifier Fly lead wire color Black Orange Yellow Red Blue Brown White None 2 pipes; Heat only ...
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Page 7: Accessory Wiring
The TR21 is an optional remote temperature sensor that can be used as an alternative to the internal sensor. In TR21 TR21 addition to the TR21, other Honeywell sensors that use a 20k Ohm curve may be used as the remote sensor. WARNING Risk of electrical shock. -
Page 8: Thermostat Wiring Diagrams
TB6575/TB8575 SUITEPRO™ DIGITAL FAN COIL THERMOSTATS Thermostat Wiring Diagrams L (HOT) The figures in this section illustrate typical wiring for: VALVE • TB6575A1000, TB6575B1000 and TB6575C1000 fan coil thermostats, which are 120/240/277 Vac powered. Refer to Fig. 7–Fig. 13, beginning on page 8, •... - Page 9 TB6575/TB8575 SUITEPRO™ DIGITAL FAN COIL THERMOSTATS L (HOT) VALVE HEAT VALVE COOL VALVE (HOT) 24 VAC REMOTE SENSOR REMOTE SENSOR REMOTE SETBACK REMOTE SETBACK POWER SUPPLY. PROVIDE DISCONNECT MEANS AND REMOVE PRE-WIRED WIRE FROM TERMINAL 5 (MID FAN SPEED). OVERLOAD PROTECTION AS REQUIRED. M27575 JUMPER TERMINALS 5 AND 6 (MID AND HIGH FAN SPEEDS).
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Page 10: Removing The Thermostat
TB6575/TB8575 SUITEPRO™ DIGITAL FAN COIL THERMOSTATS If it is necessary to remove the thermostat from the sub- base, refer to Fig. 21 and perform the following steps: 1. Turn off the thermostat by pressing the system VALVE button until OFF displays. 2. -
Page 11: Installer Setup (Is) Mode
TB6575/TB8575 SUITEPRO™ DIGITAL FAN COIL THERMOSTATS Installer Setup (IS) Mode UP AND DOWN ARROW BUTTONS To enter Installer Setup Mode: • Press and hold both the System button (labeled Heat/Cool) and the Up Arrow button for three (3) seconds. ºF Set to This displays the setup screen on the LCD. - Page 12 TB6575/TB8575 SUITEPRO™ DIGITAL FAN COIL THERMOSTATS Table 4. Installer Setup (IS) Codes and Options. Option Option Description (Default value shown in Code Code Description Value Bold) Notes 120 Vac power supply (Default) Line Voltage Selection 240 Vac power supply 277 Vac power supply System Type Heat only Cool only...
- Page 13 TB6575/TB8575 SUITEPRO™ DIGITAL FAN COIL THERMOSTATS Table 4. Installer Setup (IS) Codes and Options. (Continued) Option Option Description (Default value shown in Code Code Description Value Bold) Notes Provide full power when fan motor starts – 8.5 Fan Speed at motor High speed start up always starts in high fan speed (Default) start up...
- Page 14 TB6575/TB8575 SUITEPRO™ DIGITAL FAN COIL THERMOSTATS Table 4. Installer Setup (IS) Codes and Options. (Continued) Option Option Description (Default value shown in Code Code Description Value Bold) Notes Remote Setback Disabled Hotel card enabled N.O. for unoccupied mode with 1 second software delay going from UnOccupied to Occupied;...
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Page 15: Operation
TB6575/TB8575 SUITEPRO™ DIGITAL FAN COIL THERMOSTATS Installer Test (IT) Mode Table 5. Installer Test (IT) Codes and Options. To enter Installer Test Mode: Code Option • Press and hold both the Up arrow button and the Code Description Value Option Description Down Arrow button for three (3) seconds. -
Page 16: Fan Modes
TB6575/TB8575 SUITEPRO™ DIGITAL FAN COIL THERMOSTATS For Cool Mode, when Economy Setback is enabled, the The fan ramping algorithm is illustrated in Fig. 28 set point changes to the remote setback cooling setpoint (IS CODE #21). For 4 pipe applications with Auto Changeover and Heat/ FAN SPEED IS HIGH Cool Setpoints, when Economy Setback is enabled, the +4°F... - Page 17 TB6575/TB8575 SUITEPRO™ DIGITAL FAN COIL THERMOSTATS Table 6. Logic for 2 Pipes with Auto Changeover A 5 minute purge will occur every 2 or 24 hours (IS 25) to ensure that the pipe sensor is sensing the correct mode Pipe Temperature after purge System Mode during seasonal changeover months.
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Page 18: Troubleshooting
TB6575/TB8575 SUITEPRO™ DIGITAL FAN COIL THERMOSTATS TROUBLESHOOTING Table 8 provides troubleshooting information. Table 8. Troubleshooting. Symptom Possible Cause Action Display does not Thermostat is not being For TB6575A/B/C, check for 120/240/277 Vac between L and N. come on. powered. For TB8575A, check for 24 Vac between R and C. Temperature settings The upper or lower Check the temperature setpoints for heating and cooling (Installer... - Page 19 TB6575/TB8575 SUITEPRO™ DIGITAL FAN COIL THERMOSTATS Table 8. Troubleshooting. (Continued) Symptom Possible Cause Action Cooling does not turn Cooling equipment failure. For TB6575A/B/C: 1. Check for 120/240/277 Vac at the equipment between power on (Cool On is solid in the display). and common, (terminals L and N).
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Page 20: Limited Two-Year Warranty
By using this Honeywell literature, you agree that Honeywell will have no liability for any damages arising out of your use or modification to, the literature. You will defend and indemnify Honeywell, its affiliates and subsidiaries, from and against any liability, cost, or damages, including attorneys’...