Instruction/ maintenance manual of the product TB6575 Honeywell
Go to page of 20
INST ALLA TION INSTRUCTIONS 62-0311—1 3 TB6575/TB8575 Digital F an Coil Thermostats PRODUCT DESCRIPTION The TB6575 and TB8575 are a fa mily of Digi tal F an Co il therm ostats for residential and comm ercial applications such as hotels, condomin iums, school classrooms, etc.
TB6575/TB8575 DIGITAL F AN COIL THERMOSTATS 62-0311—13 2 SPECIFICATIONS Supply V olta ges: TB6575A10 16 and TB65 75B1000: • 120 V ac ±10 % at 50/60Hz • 240 V ac -15% to +10% at 50 /60Hz TB6575C.
TB6575/TB8575 DIGITAL F AN COIL THER MOSTATS 3 62-0311—13 T able 2. Ap plication s and Features Fig. 1. Dime nsions in in ches (mm). INSTALLATION When Installing this Pr oduct… 1. Read these inst ructions ca refully . Failure to follo w them could da mage the pro duct or caus e a hazard- ous condition.
TB6575/TB8575 DIGITAL F AN COIL THERMOSTATS 62-0311—13 4 adaptor plate (50033847 -001) can be used wit h a 4 x 4 in . or a vert ical junction box for which mounting screws are supplied (see F ig. 3 on pa ge 5). 1. Prepare th e supply wires : a. Mounting on a 4 x 4 in.
TB6575/TB8575 DIGITAL F AN COIL THER MOSTATS 5 62-0311—13 Fig. 3. Mount ing sub-base and thermostat using the adap tor plate (50 033847-001) . T e rminal Wiring T able 3 provides the ter minal wir ing for each model an d application.
TB6575/TB8575 DIGITAL F AN COIL THERMOSTATS 62-0311—13 6 T erminal Identifier LW / Y n / a i Gl Gm Gh N Rs a Sc b SB c Ps d Fly lead wire color Black Orange Red Blue Brown White None e 2 pipes; Heat.
TB6575/TB8575 DIGITAL F AN COIL THER MOSTATS 7 62-0311—13 Accessory Wiring Remote Pipe Sensor Wiring The remote pipe sensor is us ed for 2 pipes auto a nd 2 pipes heat and cool with auxi liar y heat change ov er . The pipe sensor will sense the temperatur e in the pipes to tell the ther mostat when the system is set for Heat or Cool.
TB6575/TB8575 DIGITAL F AN COIL THERMOSTATS 62-0311—13 8 Thermostat Wiring Diagrams The figures in this section illust rate typical wiring for : • TB6575A1016,TB65 75B1000 and TB6575C1016 fan coil ther mostats, which are 120/24 0/277 V ac p owered.
TB6575/TB8575 DIGITAL F AN COIL THER MOSTATS 9 62-0311—13 . Fig. 13. Wirin g diagram wh en missi ng a wire for electromechanical r etrofit (120/240/ 277 V ac shown). 24 V ac Wiring Diagrams (TB8575) For the TB8575A1016 model, a 24 V ac C lass 2 NEMA rated transformer must be used.
TB6575/TB8575 DIGITAL F AN COIL THERMOSTATS 62-0311—13 10 Fig. 19. T wo pipes (Heat or Cool) wi th A uxiliary Heat and Manual Ch angeover wir ing diagram (24 V a c shown ). . Fig. 20. Wirin g diagram wh en missi ng a wire for electr omechani cal retr ofit (24 V ac shown).
TB6575/TB8575 DIGITAL F AN COIL THER MOSTATS 11 62-0311—13 Fig. 23. LCD displ ay sho wing default screen. Po w e r - u p At power-up, the thermostat’s LCD shows all display segments fo r two seco nds, en ters a sel f-test mo de f or a fe w seconds, and then d isplays the current room temperature (d efault screen), as shown in F ig.
TB6575/TB8575 DIGITAL F AN COIL THERMOSTATS 62-0311—13 12 2 System T ype 0 Heat only 1 Cool only 2 T wo pipes: Heat or Cool; Manual Changeover 3 T wo pipes: Heat or Coo l; Seasona l Changeo ver (req.
TB6575/TB8575 DIGITAL F AN COIL THER MOSTATS 13 62-0311—13 10 Control Meth od for 4-Pipe A uto Changeover 1 Singl e Setpoi nt (Defaul t) Uses switching diff erential to change b etween heating and c.
TB6575/TB8575 DIGITAL F AN COIL THERMOSTATS 62-0311—13 14 Installer T est (IT) Mode T o enter Installer T est Mode: • Press and hold both the Up arrow button and th e Down Ar ro w butt on for th ree (3) second s. This disp la ys all segm ents of th e LCD scre en on the LCD .
TB6575/TB8575 DIGITAL F AN COIL THER MOSTATS 15 62-0311—13 3. After the desire d value displays , press the Syst em button to store your value selection and dis play the next IT code. NO TE: Ex iting Insta ller T est Mode is the same as the method for en tering t est mode , Fig.
TB6575/TB8575 DIGITAL F AN COIL THERMOSTATS 62-0311—13 16 Fig. 26. Auto Chang eover with Heat/Coo l Setpoints deadband illu stration. For 4 pipe applications with Auto Changeover and a single setpoint, when Economy Setback is enabled, the setpoint will rev er t to a dual he at/cool setpoint approach.
TB6575/TB8575 DIGITAL F AN COIL THER MOSTATS 17 62-0311—13 T able 7. Log ic for 2 Pipes with Auxiliar y Heat If pipe temperatu re is between the two threshold values after the 5 m inute purge occur s, the therm ostat will activ ate a second 5 min ute purge to doub le check the wate r temper ature.
TB6575/TB8575 DIGITAL F AN COIL THERMOSTATS 62-0311—13 18 T ROUBLESHOOTING T able 8 provides troubleshooting in formation. T able 8. T roubl eshooting. Symptom P ossible Cause Action Display does not come on. Thermostat is not being pow ered. For TB6575A/B/C, check f o r 120/240 /277 V ac b etween L and N.
TB6575/TB8575 DIGITAL F AN COIL THER MOSTATS 19 62-0311—13 Cooling does no t turn on (Cool On is so lid in the display). Cooling equipm ent failure. For TB6575A/ B/C: 1. Check f or 120/240/2 77 V ac at t he equipment be tween power and common , (terminals L an d N).
TB6575/TB8575 DIGITAL F AN COIL THERMOSTATS Automation and Control Solutions Honeywell Intern ational Inc. 1985 Douglas Drive North Golden Valley, MN 55422 customer.hone ywell.com ® U.S . Registered T rademark © 2013 Honey well International In c. 62-0311—13 KK Re v .
An important point after buying a device Honeywell TB6575 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Honeywell TB6575 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Honeywell TB6575 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Honeywell TB6575 you will learn all the available features of the product, as well as information on its operation. The information that you get Honeywell TB6575 will certainly help you make a decision on the purchase.
If you already are a holder of Honeywell TB6575, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Honeywell TB6575.
However, one of the most important roles played by the user manual is to help in solving problems with Honeywell TB6575. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Honeywell TB6575 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
