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Honeywell SUITEPRO TB6575 User's Manual

1. DIGITAL FAN COIL THERMOSTATS POWER SUPPLY PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED M27576 Fig 17 Two pipes Heat or Cool auto changeover wiring diagram 24 Vac shown l HEAT VALVE 7 COOL VALVE F REMOTE SETBACK POWER SUPPLY PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED M27577 Fig 18 Four pipes Heat and Cool Manual Auto Changeover wiring diagram 24 Vac shown O REMOTE SENSOR REMOTE SETBACK Oo PIPE SENSOR POWER SUPPLY PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED M27578 Fig 19 Two pipes Heat or Cool with Auxiliary Heat and Manual Changeover wiring diagram 24 Vac shown HEAT VALVE COOL VALVE loma A A REMOVE PRE WIRED WIRE FROM TERMINAL 5 MID FAN SPEED A JUMPER TERMINALS 5 AND 6 MID AND HIGH FAN SPEEDS FAN MEDIUM SETTING WILL OPERATE ON HIGH SPEED CONNECT TERMINAL 7 TO THE MID FAN SPEED WIRE FROM PREVIOUS SYSTEM REWIRE THE PREVIOUS MID FAN SPEED WIRE TO THE NEUTRAL CIRCUIT IN THE SYSTEM POWER SUPPLY PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED A CHANGE INSTALLER SETUP IS CODE 9 TO 2 FOR 2 SPEED FAN CONTROL M31329 Fig 20 Wiring diagram when missing a wire for electromechanical retrofit 24 Vac shown Removing the Thermostat A WARNING Risk of electrical shock Can cause severe injury property damage or death Disconnect power supply before servicing
2. ISU 19 is set to option 0 or 1 Z hour Sensing 5 If ISU 19 is configured 2 8 hour sensing for N O or N C activity 3 12 hour sensing sensing will not be 4 16 hour sensing greia 5 20 hour sensing 6 24 hour sensing 23 Freeze Protection 0 Disabled This feature can not 1 Enabled Default Stat cycles On Heat when room activate when the temperature reaches 40 F 4 C and disables Heat PPlication is Cool only when room temperature reaches below 46 F 8 C The LCD displays FREEZE PROTECT 24 Auto Fan Reset 0 Inactive Default Auto Fan Reset is not allowed does not display when the fan control type is set to Auto Only IS code 1 Resets back to Auto after 2 hours The start time is calculated after the initial call for Heat Cool is satisfied Then the two 2 hour timing begins ___ 9 value 1 2 Resets back to Auto after 4 hours The start time is calculated after the initial call for Heat Cool is satisfied Then the four 4 hour timing begins Installer Test IT Mode This displays all segments of the LCD screen on the LCD See Fig 22 on page 10 To enter Installer Test Mode e Press and hold both the Up arrow button and the Down Arrow bution for three 3 seconds 13 62 0278 07 TB6575 TB8575 SUITEPRO DIGITAL FAN COIL THERMOSTATS Table 5 provides the Test codes IT codes and values To enter the IT codes 1 Press the System Heat Cool button to cycle through the
3. SUBBAS M27559 Fig 4 Wiring four TR21 20K ohm sensors SUBBASE THE TR21 A IS A 10K OHM SENSOR M27560 Fig 5 Wiring two TR21 A 10K ohm sensors to provide a temperature averaging network SUBBASE N TE TR21 A IS A 10K OHM SENSOR Mtn Fig 6 Wiring two TR21 20K ohm sensors and one TR21 A 10K ohm sensor to provide a temperature averaging network TB6575 TB8575 SUITEPRO DIGITAL FAN COIL THERMOSTATS Thermostat Wiring Diagrams The figures in this section illustrate typical wiring for e TB6575A1000 TB6575B1000 and TB6575C1000 fan coil thermostats which are 120 240 277 Vac powered Refer to Fig 7 Fig 13 beginning on page 7 e TB8575A1000 model which is 24 Vac powered Refer to Fig 14Fig 20 beginning on page 8 120 240 277 Vac Wiring Diagrams TB6575A B C L HOT REMOTE SETBACK M27566 Fig 7 Two pipes Heat only wiring diagram 120 240 277 Vac shown L HOT REMOTE SETBACK M27567 Fig 8 Two pipes Cool only wiring diagram 120 240 277 Vac shown REMOTE SETBACK M27568 Fig 9 Two pipes Heat or Cool Manual Changeover wiring diagram 120 240 277 Vac shown L HOT REMOTE SETBACK _ PIPE SENSOR M27569 Fig 10 Two pipes Heat or Cool Auto Changeover wiring diagram 120 240 277 Vac shown L HOT E HEAT VALVE COOL VALVE REMOTE SETBACK M27570 Fig 11 Four pipes Heat and Cool Manual Auto changeover wiring d
4. Cool Setpoints are chosen for the control method for 4 pipe Auto ISU 10 Switching 2 to 6 Range is 2 to 6 Default is 3 Heat switching point Available when Single Differential for setpoint switching differential Cool switching point Setpoint is chosen for the Single Setpoint setpoint switching differential control method for 4 pipe Auto ISU 10 11 CPH Value for Heat 1 to 12 Range is 1 to 12 Default is 4 The number selected indicates the maximum times Heating is cycled on per hour CPH 12 CPH Value for Cool 1 to 6 Range is 1 to 6 Default is 3 The number selected indicates the maximum times Cooling is cycled on per hour CPH 13 CPH for Auxiliary 1 to 12 Range is 1 to 12 Default is 6 The number selected Electrical Heater indicates the maximum times Auxiliary Heating is cycled on per hour CPH 14 Display 4 to 4 Range is 4 F to 4 F Default is 0 F Temperature Adjustment 15 Temperature 0 Display Room Temperature Display Mode 1 Display Setpoint 2 Display Temperature and Setpoint Default 16 Setpoint Range 50 to Range is 50 F to 90 F Default is 90 F Stop for Heating 90 62 0278 07 TB6575 TB8575 SUITEPRO DIGITAL FAN COIL THERMOSTATS Table 4 Installer Setup IS Codes and Options Continued IS Option Option Description Default value shown in Code Code Description Value Bold Notes 17 Setpoint Range 50 to Range is 50 F to 90 F Default is
5. 9 Fan Control value is set to zero 0 Heating equipment is running in the Cool mode Incorrect System Type configured Check that the Installer Setup code 2 System Type value matches the installed heating and or cooling equipment Heating equipment does not turn off and heat temperature setting is set below room temperature Heat On is not in the display Incorrect System Type configured Check that the Installer Setup code 2 System Type value matches the installed heating and or cooling equipment Cannot set the system setting to Heat System Type Installer Setup code 2 is set to Cool Only value 1 Set the Installer Setup code 2 value to match the installed heating and or cooling equipment Cannot set the system setting to Cool System Type Installer Setup code 2 is set to Heat Only value 0 Set the Installer Setup code 2 value to match the installed heating and or cooling equipment Heat On is not in the display System Type setting is not set to Heat and or the temperature setting is not set above the room temperature Set the Installer Setup code 2 to Heat and set the temperature setting above the room temperature Cool On is not in the display System Type setting is not set to Cool and or the temperature setting is not set below the room temperature Set the Installer Setup code 2 to Cool and set the temperature setting below the room te
6. N CAUTION Equipment damage hazard Improper removal can damage the thermostat Carefully follow the thermostat removal directions 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 button until OFF displays 2 Remove the power source from the thermostat 3 Remove the small safety screw at the bottom of the thermostat 4 Use both hands to pull the thermostat straight away from the sub base 62 0278 07 TB6575 TB8575 SUITEPRO DIGITAL FAN COIL THERMOSTATS M27592 Fig 21 Removing the thermostat SETUP The thermostat provides an LCD display two buttons below the display for System and Fan control and two adjustment buttons Up and Down to the right of the display See Fig 23 Settings including setpoints are permanently retained in EEPROM in case of a power outage Fig 22 illustrates all the possible LCD display elements Only those elements pertinent to the current settings and status including the text for the two buttons System and Fan actually display Freeze Setto IT A Protect Setup 47 1 1 5 Set to RoomTemp Test an p D Locked Pipe Sensor I E Heat On Cool On OffHeatAutoCool Fan On LowMedHiAuto M27584 Fig 22 LCD display with all possible elements shown 62 0278 07 UP AND DOWN ARROW BUTTONS Setto ZNI RoomTemp di M27586 SYS
7. configurations without Auxiliary Heat only 4 relays are used relay 2 Y A is not used b Pipe sensor is required for 2 pipe auto changeover and 2 pipe auxiliary heat applications 1 1 8 lt 29 gt 5 13 16 148 1 3 16 a 3 1 4 83 30 La 2 3 8 60 M27589 Fig 1 Dimensions in inches mm INSTALLATION When Installing this Product 1 Read these instructions carefully Failure to follow them could damage the product or cause a hazard ous 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 and experienced service technician WARNING Risk of electrical shock Can cause severe injury property damage or death Disconnect power supply before installation and before servicing IMPORTANT The thermostats are line voltage powered devices All wiring must comply with national and local electrical codes ordinances and regulations Provide disconnect means and overload protection as required The TB8575A1000 thermostat must be powered by an Approved 24 Vac Class 2 NEMA rated transformer such as a W6380 Relay Control Center Location The thermostats are the temperature control element in a fan coil or air conditioning system They must be located about 1 5m 5 ft above the
8. floor in a position with good air circulation to sense room temperature IMPORTANT Do not mount the device where it can be affected by Drafts or dead spots behind doors or in corners Hot or cold air from ducts Radiant heat from the sun or appliances Unheated uncooled areas such as an outside wall behind the thermostat Concealed pipes or chimneys AOD Q Mounting and Wiring N CAUTION Equipment damage hazard Operation at low temperatures can cause fan coil damage This thermostat is not a safety device Do not use it where the space temperature is outside of the device operating range A display of two dashes for the Room Temp display indicates a sensor failure or a temperature outside of the thermostat operating range of 18 C to 49 C 0 F to 120 F With displayed the thermostat ceases to operate When the temperature returns to within its operating limits the thermostat returns to operation The optional freeze protect feature should be used if low temperatures can occur The thermostat must be mounted flush to the wall The thermostat can be mounted directly to a 2 x 4 in horizontal junction box see Fig 2 on page 4 An optional adaptor plate 50033847 001 can be used with a 4 x 4 in or a vertical junction box for which mounting screws are supplied see Fig 3 on page 4 1 Prepare the supply wires a Mounting on a 4 x 4 in or vertical 2 x 4 in junction box
9. with Manual Changeover or v W Y vxj x vy JOJRIO Auto Changeover TB6575B1000 120 240 Vac Terminal Identifier L WY na GI Gm Gh N Rs Sc sB ps Fly lead wire color Black Orange Red Blue Brown White None 2 pipes Heat only v IW viv v v O R 0O 2 pipes Cool only v JY viv v v o R O 2 pipes Heat or Cool with Manual Changeover v IWY v v v v O0 R 0 2 pipes Heat or Cool with Seasonal Changeover v WY viv v v O RI O v TB8575A1000 24 Vac Terminal Identifier R WY YA GI Gm Gh C Rs Sc sB Ps4 2 pipes Heat only v IW viv v v O R O 2 pipes Cool only v JY viv v v o R O 2 pipes Heat or Cool with Manual Changeover v IWY v vy v v JOJR O 2 pipes Heat or Cool with Seasonal Changeover v WY viv v v O RI O v 4 pipes Heat and Cool with Manual Changeover v W Y viv v v O R O 4 pipes Heat and Cool with Auto Changeover v IW Y viv v v O RI O 2 pipes Heat or Cool with Auxiliary Heat v IWY JA viv v v OTRIO Y 4 pipes Heat and Cool with Manual Changeover or v W Y viv v v O R 0O Auto Changeover a Rs Remote sensor is optional b Required when Rs SB or Ps is wired SB Remote setback is optional d Pipe sensor Discrete Analog or Aquastat These terminals 8 9 10 and 11 do not have lead wires attached to them f A check mark v indicates the terminal is used in that application Rs and SB terminal connections are optional If a terminal is left blank it is not used in that appl
10. 1 Feed the supply wires through the junction box and the opening in the adaptor plate 2 Affix the adaptor plate to the junction box using the screws provided b Mounting on a horizontal 2 x 4 in junction box Feed the supply wires through the opening of the junction box 2 Attach the supply wires a For the TB6575A1000 TB6575B1000 and TB6575C1000 models 1 Push the fly lead wires through the wiring access hole in the sub base 2 Attach the fly lead wires to the supply wires using wire nuts not provided See Table 3 on page 5 for terminal and lead identifica tion 3 Push the fly lead and supply wires back into the junction box b For the TB8575A1000 model which does not have pre wired fly leads 62 0278 07 TB6575 TB8575 SUITEPRO DIGITAL FAN COIL THERMOSTATS 1 Attach the supply wires directly to the termi nals on the sub base See Table 3 on page 5 for terminal identification 2 Push the supply wires back into the junction box 3 Mount the sub base a Mounting on a 4 x 4 in or vertical 2 x 4 in junc tion box Align the two holes at the top edges of the sub base with the two pins on the adaptor plate Attach the sub base to the adaptor plate using the screws provided b Mounting on a horizontal 2 x 4 in junction box SNAP MAIN BODY ONTO SUBBASE INSERT SCREW TO LOCK A MAIN BODY TO SUBBASE Attach the sub base to the junction box using the screws provided 4 Thorou
11. 50 F Stop for Cooling 90 18 Keypad Lockout 0 All keys are available Default The System button Heat Cool is locked out 7 2 Both the System and Fan buttons are locked out 3 All buttons are locked out System Fan Up Arrow and Down Arrow The LCD displays LOCKED Disabled 1 Hotel card enabled N O for unoccupied mode with 1 second software delay going from UnOccupied to Occupied 2 minute delay going from Occupied to UnOccupied 19 Remote Setback oO 2 Hotel Card enabled N C for unoccupied mode with 1 second software delay going from UnOccupied to Occupied 2 minute delay going from Occupied to UnOccupied 3 Hotel Card enabled N O for unoccupied mode with 1 second software delay going from UnOccupied to Occupied 30 minute delay going from Occupied to UnOccupied 4 Hotel Card enabled N C for unoccupied mode with 1 second software delay going from UnOccupied to Occupied 30 minute delay going from Occupied to UnOccupied 5 Button Press Default Press and hold Heat Cool Off button for 3 seconds and thermostat will go into Economy Setback 20 Remote Setback for 50 to Range is 50 F to 70 F Default is 64 F Used when the thermostat Heating 70 is in the Unoccupied state 21 Remote Setback for 72 to Range is 72 F to 90 F Default is 79 F Cooling 90 22 Activity Sensing 0 Disabled Default This will be selectable when
12. Honeywell TB6575 TB8575 SuitePRO Digital Fan Coil Thermostats Honeywell 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 e TB6575A1000 2 pipe or 4 pipe with seasonal manual automatic heat cool changeover 120 240 Vac e 1TB6575B1000 2 pipe only with seasonal or manual heat cool changeover 120 240 Vac e TB6575C1000 2 pipe or 4 pipe with seasonal manual automatic heat cool changeover 120 240 277 Vac e 1B8575A1000 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 e Heating or Cooling only e Two pipes Heat or Cool with Manual Changeover e Two pipes Heat or Cool with Seasonal Changeover requires optional pipe sensor e Two pipes Heat or Cool with Auxiliary Heat and Manual or Seasonal Changeover requires optional pipe sensor e Four pipes Mixed Manual and Auto Changeover e Four pipes Manual Changeover e 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 au
13. IT codes which display in the upper right above the word Test 2 Press the Up or Down Arrow buttons to cycle through the values for the currently displayed IT code The values display in the center of the screen 3 After the desired value displays press the System button to store your value selection and display the next IT code NOTE Exiting Installer Test Mode is the same as the method for entering test mode M27587 Fig 25 Installer Test IT mode screen 62 0278 07 Table 5 Installer Test IT Codes and Options IT Code Option Code Description Value Option Description 10 Heat Control 0 Close 1 Open 20 Auxiliary Heat 0 Close Control 1 Open 30 Cool Control 0 Close 1 Open 40 Fan Control 0 Close 1 Low Speed 2 Medium Speed 3 High Speed 50 Pipe Sensor 32 199 Displays the pipe sensor temperature Only used for System Type 3 or 6 IS code 2 value 3 or 6 Only the Analog pipe sensor is tested 71 Software Main 01 99 A 2 digit number 01 99 version 72 Software Vice 01 99 A 2 digit number 01 99 version 73 Configuration 01 99 A 2 digit number 01 99 Data Main version 74 Configuration 01 99 A 2 digit number 01 99 Data Vice version 75 Week Produced 01 52 A 2 digit number 01 52 76 Year Produced 08 99 A 2 digit number 08 99 OPERATION PROPORTIONAL INTEGRAL P CONTROL Like a mechanical thermostat the fan c
14. ODUCT Some states do not allow the exclusion or limitation of incidental or consequential damages so this limitation may not apply to Honeywell warrants this product excluding battery to be free from defects your in the workmanship or materials under normal use and service for a period THIS WARRANTY IS THE ONLY EXPRESS WARRANTY HONEYWELL of two 2 years from the date of purchase by the consumer If at any time MAKES ON THIS PRODUCT THE DURATION OF ANY IMPLIED during the warranty period the product is defective or malfunctions WARRANTIES INCLUDING THE WARRANTIES OF Honeywell shall repair or replace it at Honeywell s option within a MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE IS reasonable period of time HEREBY LIMITED TO THE TWO YEAR DURATION OF THIS WARRANTY Some states do not allow limitations on how long an implied if the product is defective warranty lasts so the above limitation may not apply to you i return it with a bill of sale or other dated proof of purchase to the retailer from which you purchased it or This warranty gives you specific legal rights and you may have other ii package it carefully along with proof of purchase including date of rights which vary from state to state purchase and a short description of the malfunction and mail it 5 postage prepaid to the following address If you have any questions concerning this warranty please write Honeywell Customer Relations 1985 eco
15. ONS Supply Voltages TB6575A1000 and TB6575B1000 120 Vac 10 at 50 60Hz e 240 Vac 15 to 10 at 50 60Hz TB6575C1000 e 120 240 277 Vac 10 at 50 60Hz TB8575A1000 20 to 30 Vac at 50 60HZz using 24 Vac Class 2 NEMA rated transformer Safety Fuse TB6575A1000 and TB6575B1000 use 15A 250 Vac fuse TB6575C 1000 uses a 15A 350 Vac fuse If the safety fuse blows the thermostat must be replaced The fuse is not field replaceable Electrical Ratings see Table 1 Table 1 Electrical Ratings Amps inductive for Component 24 Vac 120 Vac 240 Vac 277 Vac Fan Relay 1 0A 6 0A 3 0A 2 4A Heat Cool Relay 1 0A 1 0A 1 0A 1 0A Environmental Ratings Temperature Operating Range 18 C to 49 C 0 F to 120 F Shipping and Storage Range 29 C to 49 C 20 F to 120 F Humidity 5 to 90 RH non condensing Onboard Temperature Sensor Type 10K NTC Working Range 18 C to 49 C 0 F to 120 F Display Range 0 C to 37 C 32 F to 99 F Accuracy 2 0 F at 70 F Remote Temperature Sensor optional Type 20K NTC Working Range 18 C to 49 C 0 F to 120 F Display Range 0 C to 37 C 32 F to 99 F Accuracy 2 0 F at 70 F Remote Pipe Sensor optional Type 20K NTC Working Range 0 C to 93 C 32 F to 199 F Display Range 0 C to 93 C 32 F to 199 F Accuracy 5 0 F over the temperature sensing range Remote Setback Input Dry contact maximum resist
16. TE SETBACK HEAT SETPOINT M27562 Fig 26 Auto Changeover with Heat Cool Setpoints deadband illustration For 4 pipe applications with Auto Changeover and a single setpoint when Economy Setback is enabled the setpoint will revert to a dual heat cool setpoint approach The remote setback heating and remote setback cooling setpoints will be used to create an effective unoccupied deadband Fig 27 illustrates the unoccupied deadband when Economy Setback is enabled for 4 pipe single setpoint auto changeover REMOTE SETBACK COOL SETPOINT UNOCCUPIED DEADBAND COOL SWITCHING POINT SETPOINT HEAT SWITCHING POINT UNOCCUPIED DEADBAND REMOTE SETBACK HEAT SETPOINT M31331 Fig 27 4 Pipe Auto Changeover with Single Setpoint and Economy Setback Deadband Illustration Fan Modes VERSASPEED FAN RAMPING When the fan switch is in auto the thermostat will cycle the fan using the fan ramping algorithm The appropriate fan speed is selected according to Fig 28 The fan ramping algorithm is illustrated in Fig 28 FAN SPEED IS HIGH FAN SPEED IS MEDIUM FAN SPEED IS LOW 4 F DIFFERENCE BETWEEN RT AND SETPOINT 2 F COOL SETPOINT FAN SPEED IS LOW FAN SPEED IS MEDIUM FAN SPEED IS HIGH 2 F 4 F HEAT M27563 Fig 28 VersaSpeed fan ramping algorithm illustration AUTO FAN RESET IS CODE 24 If Auto Fan Reset is enabled and a constant fan speed is selected the thermostat resets
17. TEM BUTTON FAN BUTTON Fig 23 LCD display showing default screen Power up At power up the thermostat s LCD shows all display segments for two seconds enters a self test mode for a few seconds and then displays the current room temperature default screen as shown in Fig 23 NOTE If there is a temperature sensor failure or the temperature is outside of the operating range the room temperature display shows two dashes __ _ When the sensor returns to its operating range the temperature display resumes N CAUTION Equipment damage hazard Power overload will damage the thermostat The thermostat has a safety fuse rated at 15 A 250 Vac If the fuse blows the thermostat must be replaced The fuse is not field replaceable This fuse is provided as a safety feature to prevent fire if the thermostat is overloaded Installer Setup IS Mode To enter Installer Setup Mode e Press and hold both the System button labeled Heat Cool and the Up Arrow button for three 3 seconds This displays the setup screen on the LCD See Fig 24 NOTE Exiting Installer Setup Mode is the same as the method for entering setup mode Table 4 provides the setup codes IS codes and values To enter the setup parameters 1 Press the System Heat Cool button to cycle through the IS codes which display in the upper right following the word Setup 2 Press the Up or Down Arrow buttons to cycle through the option values
18. ance of 100 ohms TB6575 9Vdc lt 4 mA TB8575 16 Vdc lt 5 mA Note Electrical WARNING on page 3 Remote Setback Range Heating 10 C to 21 C 50 F to 70 F Cooling 22 C to 32 C 72 F to 90 F Enclosure Plastic cover sub base and optional adap tor plate Junction Box Mounting Direct mounting on a horizontal single gang NEMA 2 x 4 in surface mount electrical box or on 4 x 4 in box or vertical 2 x 4 in surface mount electrical box with the optional 50033847 001 adapter plate Dimensions See Fig 1 on page 3 Wiring 11 screw in terminals located on the sub base capable of accepting up to 2 x 18 AWG 0 8 sq mm 1 x 16 AWG 1 3 sq mm or 1 x 14 AWG 2 1 sq mm wires Accepts stranded or unstranded 14 28 gauge wire NOTES 1 The TB6575A1000 and TB6575C1000 models are pre fitted with color coded fly leads 16 AWG attached to seven terminals 2 The TB6575B1000 model is pre fitted with color coded fly leads 16 AWG attached to six terminals 3 The TB8575A1000 model does not have fly leads attached to any terminals 4 See Table 3 on page 5 for fly lead usage Minimum Operational Life at maximum load Thermostat contacts 100 000 cycles Approvals CSA Certified C US for Canada and the U S A Meets the same requirements as UL 873 FCC Part 15 Class B Accessories e 50033847 001 Adapter plate for mounting on a vertical 2 x 4 in single gang or double gang NEMA standard verti
19. cal switch box 6 1 4 in 158 mm x 5 1 16 in 128 mm x 13 22 in 10 mm e TR21 20K Ohm NTC Non Linear Remote temperature sensor Other acceptable remote temperature sensors are 20K Ohm C7041B2005 C7041B2013 C7041C2003 C7041P2004 C7770A1006 C7772A1004 and C7772A1012 10K Ohm for averaging only TR21 A e PS20 Remote pipe sensor 20K Ohm e W6380B1005 Fan Coil Unit Relay Control Center e WSK 24 Wireless Occupancy Solution Receiver occupancy sensor and door sensor Models applications and features Table 2 identifies the applications and features of each model Table 2 Applications and Features Applications Features Heat Cool Pipes Voltage Number Energy Fan On Manual Remote Back Pipe Auto of Relays Savings Auto or 3 Auto Sensor Light Sensor Models Input speed Changeover TB6575A1000 All 2 or 4 120 or 5 240 Vac Yes Yes Yes Yes Yes Yes TB6575B1000 Heat or 2 1200r 4 Cool 240 Vac TB6575C1000 All 2 or 4 120 240 5 277 Vac TB8575A1000 All 2o0r4 24Vac 5 62 0278 07 TB6575 TB8575 SUITEPRO DIGITAL FAN COIL THERMOSTATS a The five relays are wired via terminals W Y Gh Gm and GI Relay 1 controls Heat open W or Cool open Y Relay 2 controls Cool open or Electrical heater output Y A Relays 3 4 and 5 control the High Medium and Low fan speeds respectively Gh Gm and Gl NOTE In 2 pipe
20. d fan relay e Gl Low speed fan relay e Gm Medium speed fan relay L Line voltage power 120 240 277 Vac e N Line voltage ground 120 240 277 Vac TB6575 TB8575 SUITEPRO DIGITAL FAN COIL THERMOSTATS e Ps Pipe sensor optional e Sc Ground required if remote sensor pipe sensor e R 24 Vac power and or remote setback are connected e Rs Remote sensor optional e WX W Heating Y Cooling 2 pipe only e SB Remote setback optional e Y A Y Cooling A Electrical heater output Table 3 Terminal Wiring Terminals Model Application 1 2 3 4 5 6 7 8 9 10 11 iTeesveato00 120240Vee S C lt s lt lt C lt CSCSti lt tSCStStSSSSS TB6575C1000 120 240 277 Vac Terminal Identifier L WY Y A GI Gm Gh N Rs Sc sB ps Fly lead wire color Black Orange Yellow Red Blue Brown White None 2 pipes Heat only vi W vi viy v olr o 2 pipes Cool only v JY viv v v o R O 2 pipes Heat or Cool with Manual Changeover v IWY v v v v JOJR O 2 pipes Heat or Cool with Seasonal Changeover v WY viv v v O R O v 4 pipes Heat and Cool with Manual Changeover v W Y viv v v O R O 4 pipes Heat and Cool with Auto Changeover v IW Y viv v v O R O 2 pipes Heat or Cool with Auxiliary Heat v WY JA viv v v O R O Y 4 pipes Heat and Cool
21. d or cooling equipment Heating and cooling wires are shorted together Separate the shorted heating and cooling wires Cooling does not turn on Cool On is solid in the display Cooling equipment failure For TB6575A B C 1 Check for 120 240 277 Vac at the equipment between power and common terminals L and N 2 Check for 120 240 277 Vac between the cool Y and com mon N terminals If 120 240 277 Vac is present the ther mostat is functional For TB8575A 1 Check for 24 Vac at the equipment on the secondary side of the transformer between power and common terminals R and C 2 Check for 24 Vac between the cool terminal Y and trans former common If 24 Vac is present the thermostat is func tional If voltage is present check the cooling equipment to find the cause of the problem Loose connection or broken wire between thermostat and cooling equipment For TB6575A B C Check for 120 240 277 Vac between the cool Y and common N terminals For TB8575A Check for 24 Vac between the cool terminal Y and transformer common If voltage is not present check the wire connection loose or broken between the thermostat and the cooling equipment Fan does not turn on in a call for Heat Wiring or connection failure Check wiring and make sure the connection is correct Cannot select fan speed Fan Control Type selection is incorrect Check that the Installer Setup code
22. de Heat does not turn on Heat On is solid in the display Heating equipment failure For TB6575A B C 1 Check for 120 240 277 Vac at the equipment between power and common terminals L and N Check for 120 240 277 Vac between the heat W and com mon N terminals If 120 240 277 Vac is present the ther mostat is functional For TB8575A 2 1 Check for 24 Vac at the equipment on the secondary side of the transformer between power and common terminals R and C 2 Check for 24 Vac between the heat terminal W and trans former common If 24 Vac is present the thermostat is func tional If voltage is present check the heating equipment to find the cause of the problem Loose connection or broken wire between thermostat and heating equipment For TB6575A B C Check for 120 240 277 Vac between the heat W and common N terminals For TB8575A Check for 24 Vac between the heat terminal W and transformer common If voltage is not present check wire connection loose or broken between the thermostat and the heating equipment 62 0278 07 TB6575 TB8575 SUITEPRO DIGITAL FAN COIL THERMOSTATS Table 8 Troubleshooting Continued Symptom Both the heating and cooling equipment are running at the same time Possible Cause Incorrect System Type selected Action Check that the Installer Setup code 2 System Type value matches the installed heating an
23. eating or cooling Operation After exiting the installer setup the thermostat will perform a5 minute purge During this initial 5 minute purge the valve W Y will energize and the fan will be de energized After the 5 minute purge the thermostat will go into the appropriate mode as described in Table 6 Table 6 Logic for 2 Pipes with Auto Changeover Pipe Temperature after purge System Mode gt Threshold for Heating IS code 7 Heat Between Thresholds Fan Only After Purge Occurs lt Threshold for Cooling IS code 6 Cool If pipe temperature is between the two threshold values after the 5 minute purge occurs the thermostat will activate a second 5 minute purge to double check the water temperature If after the second 5 minute purge the water temperature is still between the two thresholds the valve output will be disabled and only manual fan will be available It will stay in this operation until the next purge cycle occurs 2 Pipes with Auxiliary Heat For this application when there is hot water in the pipes the system switch provides Off and Heat When there is cold water in the pipes the system switch provides Off Heat and Cool Operation After exiting the installer setup the thermostat will perform a 5 minute purge During this time the valve W Y will energize and the fan and auxiliary heat Y A will be de energized After the 5 minute purge the thermostat will go i
24. emote Setback is activated by a dry contact closure on the remote setback input from an occupancy sensor time switch or hotel card key The thermostat controls to the user installer defined setback setpoints for increased energy savings The LCD displays Economy Setback just to the right of the main temperature display to indicate the Remote Setback mode is active When Remote Setback is active all buttons on the thermostat are disabled However the button combinations to access Installer Setup IS and Installer Test IT remain enabled ECONOMY SETBACK OPERATION For Heat Mode when Economy Setback is enabled the set point changes to the remote setback heating setpoint IS CODE 20 For Cool Mode when Economy Setback is enabled the set point changes to the remote setback cooling setpoint IS CODE 21 For 4 pipe applications with Auto Changeover and Heat Cool Setpoints when Economy Setback is enabled the cool setpoint changes to the remote setback cooling setpoint and the heat setpoint changes to the remote setback heating setpoint The new effective deadband is the difference between the remote setback heating setpoint and the remote setback cooling setpoint Fig 26 illustrates the relationship between setpoints Remote Setback and deadband for auto changeover with heat and cool setpoints REMOTE SETBACK COOL SETPOINT UNOCCUPIED DEADBAND COOL SETPOINT DEADBAND HEAT SETPOINT UNOCCUPIED DEADBAND REMO
25. for the currently displayed IS code The values display in the center of the screen 3 After the desired value displays press the System button to store your value selection and display the next IS code TB6575 TB8575 SUITEPRO DIGITAL FAN COIL THERMOSTATS M27585 Fig 24 Installer Setup IS mode screen Table 4 Installer Setup IS Codes and Options IS Option Option Description Default value shown in Code Code Description Value Bold Notes 1 Line Voltage 0 120 Vac power supply Default Selection 1 240 Vac power supply 2 System Type 0 Heat only 1 Cool only 2 _ Two pipes Heat or Cool Manual Changeover 3 _ Two pipes Heat or Cool Seasonal Changeover requires optional pipe sensor 4 Four pipes Manual Changeover TB6575A TB6575C and TB8575A only 5 Four pipes Auto Changeover TB6575A TB6575C and TB8575A only 6 Two pipes Heat or Cool with Auxiliary Heat Allows auxiliary heat to turn requires optional pipe sensor on when pipes have cold water TB6575A TB6575C and TB8575A only 7 _ Four pipes Manual and Auto Changeover TB6575A TB6575C and Default TB8575A only 2 5 Fan On Off 0 Fan ON when Auxiliary Heat is on Default Enables or disables the Selection for Aux T auto fan operation when Heat On 1 Fan OFF when Auxiliary Heat is on Auxiliary Heat is On TB6575A TB6575C and TB8575A only 3 Valve Output Type 0 N C normally closed ON OFF Defa
26. ghly check the wiring to the sub base before finally mounting the thermostat on the wall 5 Center the thermostat body over the sub base and press down firmly to engage the four tabs on the sub base and snap the thermostat body into place 6 Use the provided safety screw to secure the ther mostat main body to the sub base 7 If using the adaptor plate press the adaptor plate screw cover into place SUBBASE MOUNT SUBBASE TO HORIZONTAL 2X4 JUNCTION BOX USING TWO SCREWS M27590 Fig 2 Mounting sub base and thermostat to 2 x 4 in junction box ADAPTOR PLATE MOUNT ADAPTOR PLATE ONTO 4X4 WIRING BOX OR 2X4 VERTICAL JUNCTION BOX ADAPTOR PLATE SCREW HEAD COVER SNAP MAIN BODY ONTO SUB BASE USING TWO SCREWS SUB BASE MOUNT SUB BASE ONTO WALL PLATE USING TWO SCREWS Z eZ SCREW ia TO LOCK MAIN BODY TO SUB BASE NOTE MIDDLE HOLES OF ADAPTOR PLATE ARE USED FOR MOUNTING TO A 2X4 VERTICAL JUNCTION BOX USE OUTER HOLES FOR MOUNTING TO A 4X4 WIRING BOX M27591 Fig 3 Mounting sub base and thermostat using the adaptor plate 50033847 001 Terminal Wiring Table 3 provides the terminal wiring for each model and application NOTE The TB6575A1000 TB6575B1000 and TB6575C1000 models have color coded fly leads attached to the terminals Refer to Table 3 for the color codes 62 0278 07 The Terminal Identifiers in Table 3 have the following meaning C Common 24 Vac e Gh High spee
27. hanges to Cool when pipe Threshold for 72 temperature is below Cooling threshold 7 Pipe Sensor 75 to Range is 75 F to 90 F Default is 80 F Changes to Heat when pipe Threshold for 90 sensor temperature is Heating above threshold 8 Temperature Scale 0 Degrees Fahrenheit F Default 1 Degrees Celsius C 8 5 Fan Speed at motor 0 Provide full power when fan motor starts High speed start up start up always starts in high fan speed Default ensures that there is enough torque to start the motor and eliminates and motor locking 1 Disable fan will start at speed that is needed as defined by VersaSpeed 9 Number of Fan 1 Single Speed Fan Low speed only Speeds 2 2 Speed Fan Hi and Low speed fans only 3 3 Speed Fan Default Hi Med and Low speed fan 9 5 Fan Control Type 0 Constant and Auto Default When fan is in Auto the fan 1 Aut l ramping algorithm Moony Veraspeed is used 10 Control Method for 1 Single Setpoint Default Uses switching differential 4 Pipe Auto to change between heating Changeover and cooling and controls to a single setpoint Only displayed for system types 5 or 7 2 Heat and Cool Setpoints 2 setpoint method Uses a deadband of no control and controls to a heat or cool setpoint Only displayed for system types 5 or 7 10 5 Deadband for Heat 2 to 9 Range is 2 to 9 Default is 3 Deadband minimum Available when Heat and Cool Setpoints distance between heating and cooling setpoints
28. iagram 120 240 277 Vac shown L HOT M27571 Fig 12 Two pipes Heat or Cool with Auxiliary Heat and Manual Changeover wiring diagram 120 240 277 Vac shown 62 0278 07 TB6575 TB8575 SUITEPRO DIGITAL FAN COIL THERMOSTATS 24 Vac Wiring Diagrams TB8575 L HOT For the TB8575A1000 model a 24 Vac Class 2 NEMA rated transformer must be used HEAT VALVE COOL VALVE A A REMOVE PRE WIRED WIRE FROM TERMINAL 5 MID FAN SPEED REMOTE SETBACK A JUMPER TERMINALS 5 AND 6 MID AND HIGH FAN SPEEDS FAN MEDIUM SETTING WILL OPERATE ON HIGH SPEED CONNECT TERMINAL 7 TO THE MID FAN SPEED WIRE FROM THE PREVIOUS SYSTEM REWIRE THE PREVIOUS MID SPEED FAN WIRE TO THE NEUTRAL CIRCUIT IN THE SYSTEM POWER SUPPLY PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED M27573 Fig 14 Two pipes Heat only wiring diagram 24 Vac A CHANGE INSTALLER SETUP IS CODE 9 TO 2 FOR shown 2 SPEED FAN CONTROL M31328 Fig 13 Wiring diagram when missing a wire for electromechanical retrofit 120 240 277 Vac shown REMOTE SETBACK POWER SUPPLY PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED M27574 Fig 15 Two pipes Cool only wiring diagram 24 Vac shown REMOTE SETBACK POWER SUPPLY PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED M27575 Fig 16 Two pipes Heat or Cool Manual Changeover wiring diagram 24 Vac shown 62 0278 07 8 TB6575 TB8575 SUITEPRO
29. ication 9 O Optional R Required if Rs SB or Ps is wired i Terminal 3 is not used on the TB6575B1000 model 1 The TB8575A1000 model does not have fly lead wires attached to any terminals 5 62 0278 07 TB6575 TB8575 SUITEPRO DIGITAL FAN COIL THERMOSTATS Accessory Wiring Remote Pipe Sensor Wiring The remote pipe sensor is used for 2 pipes auto and 2 pipes heat and cool with auxiliary heat changeover The pipe sensor will sense the temperature in the pipes to tell the thermostat when the system is set for Heat or Cool 1 Check Installer Setup Number ISU 5 to ensure it is set to the desired value See Table 4 on page 11 Wire pipe sensor to Sc and Ps terminals Attach pipe sensor to the pipe Insulate pipe sensor as necessary Change pipe sensor thresholds for cooling or heat ing by setting Installer Setup Numbers ISU 6 and 7 to desired values IRON Remote Temperature Sensor Wiring The TR21 is an optional remote temperature sensor that can be used as an alternative to the internal sensor In 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 Can cause severe injury property damage or death Disconnect power supply before servicing CAUTION Erratic system operation hazard Failure to follow proper wiring practices can introduce disruptive electrical interference noise Keep wiring at least o
30. mperature Remote sensor does not display temperatures Incorrect IS code Set the Installer Setup code 4 to Remote value 1 Sensor is not compatible The remote sensor must be TR21 or compatible 20K NTC 62 0278 07 TB6575 TB8575 SUITEPRO DIGITAL FAN COIL THERMOSTATS Table 8 Troubleshooting Continued Symptom Possible Cause Action Remote Setback does Incorrect IS code Make sure the NO NC and timer selection is correct Check the not activate value selected for IS code 19 Remote setpoint error Make sure the remote setback setpoint is correct for energy saving usage Activity Sensing does All buttons are locked Make sure keypad lockout is disabled Set IS code 18 value 0 not exit when button pressed Freeze Protection System Type is set to Freeze protection is not activated when system type is Cool IS does not activate Cool code 2 value 1 Change System Type System mode is not Off Set the System mode button to Off Auto Fan Reset does _ Incorrect IS code Set the Installer Setup code 24 to Enabled value 1 or 2 not activate Calling for Heat Cool Only after the setpoint is satisfied will the auto fan reset timer setpoint couldn t be activate satisfied LI M ITE D TWO YEAR INCIDENTAL OR CONSEQUENTIAL DAMAGES RESULTING DIRECTLY OR INDIRECTLY FROM ANY BREACH OF ANY WAR RANTY WARRANTY EXPRESS OR IMPLIED OR ANY OTHER FAILURE OF THIS PR
31. n Douglas Dr Golden Valley MN 55422 or call 1 800 468 1985 Douglas Dr N 1502 Monday Friday 7 00 a m to 5 30 p m Central time Golden Valley MN 55422 This warranty does not cover removal or reinstallation costs This warranty shall not apply if it is shown by Honeywell that the defect or malfunction C U STO M E R ASSI STAN C E was caused by damage which occurred while the product was in the possession of a consumer are If you have any questions about the operation of your Honeywell s sole responsibility shall be to repair or replace the product th tat pl t t h II within the terms stated above HONEYWELL SHALL NOT BE LIABLE ermostat please go to Customer noneywell com FOR ANY LOSS OR DAMAGE OF ANY KIND INCLUDING ANY 19 62 0278 07 TB6575 TB8575 SUITEPRO DIGITAL FAN COIL THERMOSTATS Aquastat is a registered trademark of Honeywell International Inc SuitePRO is a trademark of Honeywell International Inc VersaSpeed is a trademark of Honeywell International Inc Automation and Control Solutions Honeywell International Inc Honeywell 1985 Douglas Drive North i U S Registered Trademark Golden Valley MN 55422 2011 Honeywell International Inc 62 0278 07 M S Rev 09 11 customer honeywell com Printed in United States
32. ne foot away from large inductive loads such as motors line starters lighting ballasts and large power distribution panels Shielded cable is required in installations where these guidelines cannot be met Ground shield only to grounded controller case IMPORTANT All wiring must comply with local electrical codes and ordinances or as specified on installation wiring dia grams Wall module wiring can be sized from 16 to 22 AWG 1 31 to 0 33 sq mm depending on the application The maximum length of wire from the thermostat to a wall module is 1000 ft 305 m Twisted pair wire is recommended for wire runs longer than 100 ft 30 5 m 1 Check Installer Setup Number ISU 4 to ensure it is set to use the remote sensor See Table 4 on page 11 2 Wire sensor to Rs and Sc thermostat terminals 3 Push excess wire back into the hole Plug the hole using non hardening caulk putty or insulation to prevent drafts from affecting performance 4 Remove sensor cover 5 Mount sensor to the wall or junction box using the screws and anchors provided 6 Level the sensor for appearance only Device func tions correctly even when not level 7 Replace sensor cover 62 0278 07 NOTE For complete wiring instructions please follow the installation instructions provided with the remote sensor Sensor Wiring for Temperature Averaging Fig 4 Fig 6 illustrate sensor wiring for temperature averaging applications
33. nto the appropriate mode as described by Table 7 Table 7 Logic for 2 Pipes with Auxiliary Heat Pipe Temperature After Purge Heat Mode Cool Mode gt Threshold Valve W Y Changeover for Heating energized on calls Mode changes to IS code 7 for heat Heat Between Aux Heat Y A Changeover Mode Thresholds energized on calls changes to Heat After Purge _ for heat because Cool is not Occurs available lt Threshold Mode stays in Heat Valve W Y for Cooling but Aux Heat Y A energized on calls IS code 6 energized on calls for cool for heat If pipe temperature is between the two threshold values after the 5 minute purge occurs the thermostat will activate a second 5 minute purge to double check the water temperature If after the second 5 minute purge the water temperature is still between the two thresholds the valve output will be disabled and only auxiliary heat will be available for heating Auxiliary heat Y A always de energizes during purges Purge Cycles for 2 Pipe Seasonal Changeover Applications For 2 Pipe with Auto Changeover and 2 Pipe with Auxiliary Heat applications the thermostat will run purge cycles to determine if there is hot or cold water in the pipes A 5 minute purge will occur every 2 hours to ensure that the pipe sensor is sensing the correct mode during seasonal changeover months A 5 minute purge will also occur anytime the installer setup or in
34. oil thermostats have On Off control output However this output is regulated by a P l algorithm enabling the thermostat to control closer to setpoint than conventional thermostats This results in performance where the space temperature is maintained within 0 75 C 1 5 F of the setpoint regardless of fan speed NOTE Integral action corrects the temperature con trol errors of proportional only control but it is slower to react to large temperature or set point changes Economy Setback Modes ACTIVITY SENSING IS CODE 22 If Activity Sensing is enabled any time the thermostat is not touched no single key is pressed for the duration selected the thermostat automatically falls back into the Economy Setback The LCD displays ECONOMY SETBACK just to the right of the main temperature display to indicate Activity Sensing mode is active When any key is pressed the thermostat controls to Occupied mode TB6575 TB8575 SUITEPRO DIGITAL FAN COIL THERMOSTATS BUTTON PRESS SETBACK IS CODE 19 5 The default remote setback option is for economy setback via a button press on the thermostat In this mode the thermostat can quickly be setback by pressing and holding down the System Mode button for more than 3 seconds The LCD displays ECONOMY SETBACK just to the right of the main temperature display to indicate the Setback is active When any key is pressed the thermostat controls to Occupied mode REMOTE SETBACK IS CODE 19 R
35. staller test menus are exited whenever the thermostat is switched from its Off position and if the power is reset 4 PIPES AUTO CHANGEOVER Single Set Point Method In 4 pipe auto changeover with a single setpoint the temperature is always controlled to the setpoint Switching points are used to determine when to switch between heating and cooling modes If the current mode is heat and the temperature drifts above the cool switch point Setpoint Switching Differential the thermostat will switch to heat operation and will heat the space until setpoint is reached For this application the setpoint setting and switching points are illustrated in Fig 29 The switching differential is defined via IS code 10 1 For the 2 Pipe with Auxiliary Heat application the thermostat must be in the Off position for more than 30 minutes before a 5 minute purge will occur when it is switched back into Heat or Cool 62 0278 07 SWITCHING DIFFERENTIAL COOL SWITCHING POINT SETPOINT TB6575 TB8575 SUITEPRO DIGITAL FAN COIL THERMOSTATS For this application the setpoint settings and deadband are illustrated in Fig 30 The deadband is changed via IS code 10 COOLING SETPOINT DEADBAND HEATING SETPOINT M27565 HEAT SWITCHING POINT M31330 Fig 30 4 Pipe Auto Changeover setpoints and deadband TROUBLESHOOTING Fig 29 4 Pipe Auto Changeover with Single Setpoint and Switching Points Heat Cool Setpoin
36. t Method In 4 pipe auto changeover with heat and cool setpoints the system key is used to switch between the heating setpoint and cooling setpoints Use the Up and Down arrow buttons to change the setpoint Tabl Table 8 provides troubleshooting information e 8 Troubleshooting Symptom Display does not come on Possible Cause Thermostat is not being powered Action For TB6575A B C check for 120 240 277 Vac between L and N For TB8575A check for 24 Vac between R and C Temperature settings do not change The upper or lower temperature limits were reached Check the temperature setpoints for heating and cooling Installer Setup codes 16 and 17 respectively Modify as needed The keypad is fully locked Change keypad locked options Installer Setup code 18 Heating or cooling does not come on System Type selection not set to Heat or Cool or the selection is incorrect Set the Installer Setup code 2 System Type to the correct value to match the installed heating and or cooling equipment Verify operation of wiring and equipment in Installer Test mode Thermostat is calling for Heat Heat on or Cool Cool on but no heating or cooling is running Heating or cooling equipment is not operating Check wiring Check that the Installer Setup code 2 System Type value matches the installed heating and or cooling equipment Verify operation of equipment in Installer Test mo
37. the fan to Auto e Value 1 The fan resets back to Auto after 2 hours e Value 2 The fan resets back to Auto after 4 hours The start time is calculated after the initial call for Heat Cool is satisfied Then the two or four hour timing begins The fan is set back to Auto when the 2 hour or 4 hour delay expires Application Modes 2 PIPE SEASONAL CHANGEOVER APPLICATIONS These applications require the pipe sensor as a N O N C or Analog Input to detect seasonal changeover e 2 pipes with auto changeover e 2 pipes with auxiliary heat Changeover occurs when the system has been changed over from the boiler to the chiller This occurs on a seasonal basis from winter to summer months When using a pipe sensor as an analog input the thermostat can use the logic below to determine what mode to operate in A changeover will occur when the pipe temperature goes above the threshold for heating or below the threshold for cooling If a purge has not occurred or a call has not been satisfied in awhile the pipe temperature may start to get close to the ambient temperature In this case the thermostat will only changeover once the temperature falls into the opposite threshold 62 0278 07 TB6575 TB8575 SUITEPRO DIGITAL FAN COIL THERMOSTATS 2 Pipes with Auto Changeover For this application the system switch only provides Off and Auto When in Auto mode the water temperature will indicate if the thermostat should operate in h
38. ult 1 N O normally open ON OFF 4 Sensor Type 0 Onboard Sensor Default 1 Remote Sensor TR21 or other 20K Ohm sensor 5 Pipe Sensor 0 Default mode is Heat The Pipe Sensor code N O normally open Input automatically displays Only displays when system type 3 or 6 is selected based on the System Type 1 Default mode is Cool IS code 2 selection For N O normally open Input seal a glans ae Only displays eh system type 3 or 6 is selected the System Type will the 2 Default mode is Heat Pipe Sensor code and its N C normally closed Input values display Only displays when system type 3 or 6 is selected e Pipe sensor will flash on z a display screen if analog 3 Default mode is Cool input 4 is lost N C normally closed Input e Pipe sensor status and Only displays when system type 3 or 6 is selected water temparane can be 4 Analog input Default NTC20K whose curve is gneerer in toetmone seo the same as TR21 Only displays when system type 3 or 6 is selected Installer Test IT Mode on page 13 for details 62 0278 07 TB6575 TB8575 SUITEPRO DIGITAL FAN COIL THERMOSTATS Table 4 Installer Setup IS Codes and Options Continued IS Option Option Description Default value shown in Code Code Description Value Bold Notes 6 Pipe Sensor 50 to Range is 50 F to 72 F Default is 60 F C
39. xiliary electric heaters can be controlled using a relay or contactor controlled by the system switch F INSTALLATION INSTRUCTIONS EATURES 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 l 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 TM fan ramp algorithm and Auto Fan Reset 62 0278 07 TB6575 TB8575 SUITEPRO DIGITAL FAN COIL THERMOSTATS SPECIFICATI

Honeywell SUITEPRO TB6575 User's Manual

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