Daikin ThinLine FCVC Page 1 Installation And Maintenance Manual Download

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Installation and Maintenance Manual

IM 980-1

ThinLine



3G Vertical Fan Coils

Type FCVC, FCVH, FCVS and FCWC Vertical Design

Group:

Applied Air Systems

Part Number:

910150486

Date:

May 2011

Daikin

200 to 1200 cfm

IM 980-1

Model FCVC

Model FCVS

Summary of Contents for ThinLine FCVC

Page 1: ...ntenance Manual IM 980 1 ThinLine 3G Vertical Fan Coils Type FCVC FCVH FCVS and FCWC Vertical Design Group Applied Air Systems Part Number 910150486 Date May 2011 2011 Daikin 200 to 1200 cfm IM 980 1 Model FCVC Model FCVS ...

Page 2: ...24 Cabinet Rear Extension Kit 41 Installation Instructions 41 IM 1021 Key Lock Access Door Kit 43 IM 1014 MTA B 155 Electronic Thermostats 45 Installation 45 Thermostat Operation 45 Ratings 46 Wire Lead Colors 46 Application Notes 46 Wiring Diagrams 46 IM 1089 Field Installation of MT155 Thermostats 47 General 47 Installation 47 Two pipe system Cooling or Heating 47 Four pipe system Cooling and He...

Page 3: ...n includes a 24 volt AC transformer and interface terminal strips No Controls with pigtail connections to the unit s fan motor wiring harness Figure 1 Nomenclature see Table 1 page 29 for complete model number description Figure 2 Unit Features FC V S 1 02 A Unit Type FC Fan Coil FH Cabinet Unit Heater Unit Configuration V Vertical W Wall Hung future Cabinet Type C Cabinet Flat Top S Slope Top H H...

Page 4: ...marked on submittal drawings 6 An installing contractor may find it beneficial to confer with piping sheet metal and electrical foremen before installing any unit Note Check the unit data plate for correct voltage with the plans before installing the equipment Also make sure all electrical ground connections are made in accordance with local code 7 The unit is not designed to be free standing Inst...

Page 5: ...making sharp turns when making duct turns and transitions Use proportional splits turning vanes and air scoops when necessary 3 When possible construct and orient supply ductwork turns in the same direction as the fan rotation Safety Follow all safety codes Wear safety glasses and work gloves Use a quenching cloth for brazing operations Have a fire extinguisher available Follow all warnings and ca...

Page 6: ...IM included with the damper for more information 6 Position the chassis subbase against the wall where the unit is to be installed Make sure that the area under the unit is free of combustible materials such as carpet For cabinet units the wall must act to close off the back of the unit 7 For hideaway units if you are using Daikin s decorative wallplate use blocks or other suitable material to rai...

Page 7: ...ing of end compartments and or moisture dripping 5 The piping to and from the unit must be protected from outside air and freeze conditions It must be suitably insulated for condensation and for heat loss or gain Penetrations entering the unit end compartments must be fitted sealed for unit integrity 6 Exterior condensate may be an issue if field piping does not have a control valve Review the sup...

Page 8: ...n pan Field Installed Valve Piping Review General Guidelines page 7 before beginning Then carry out the following steps to install valves and piping 1 For units equipped with a secondary coil make sure that an air vent is included in the return line piping see Figure 8 Primary coils are factory equipped with vents for venting the system but secondary coils preheat or reheat are not Figure 8 Second...

Page 9: ...eat a second set is required including a changeover switch or sensor Figure 10 Changeover switch sensor attachment If the unit does not have a factory installed valve piping package the changeover switch or sensor can be ordered for field installation The installer should attach the sensor or auto changeover switch parallel to and in direct contact with the supply water pipe Note The installer is ...

Page 10: ...ed condensation Daikin recommends field insulation in the following areas to prevent potential condensate problems Supply and return water piping connections Condensate drain lines and connections Fresh air intake duct connections Discharge duct connections Wall boxes Electrical Connections Installation and maintenance must be performed only by qualified personnel who are familiar with local codes...

Page 11: ...ture component failure Thermostat and Controls Initial Startup Cleaning Flushing the Water System 1 Prior to first operation of any unit clean and flush the water circulating system of all construction dirt and debris 2 If units are equipped with water shutoff valves either electric or pressure operated connect the supply and return runouts together at each unit location This will prevent the intr...

Page 12: ...icient protection against extremes in temperature and or humidity and equipment performance reliability and service life may be adversely affected Venting Hydronic Coils Hydronic coils require a vent either manual or automatic to release air from the unit Primary coils on all Thinline fan coils come standard with a coil air vent It is located on the piping side of the unit above the coil connectio...

Page 13: ...ition motorized fresh air damper when supplied is opened Thermostat Cycles the valve s open or closed on demand based on occupant desired level Changeover Switch With a manual switch the user selects whether heating or cooling is desired With automatic changeover a pipe sensor works with the thermostat to operate the heating or cooling valve Heating Opens the valve when the temperature is below th...

Page 14: ...lers with Digital Display For more details refer to page 51 55 or 59 Series MT158 and MT168 microprocessor based thermostat controllers combine a proportional integral control algorithm with adaptive logic They may be unit mounted or remote wall mounted Figure 16 MT158 and MT168 Thermostats Heating and cooling outputs for the MT158 are individually configurable for three wire floating control valv...

Page 15: ... A return air sensor A pipe temperature sensor for changeover from heating to cooling on two pipe systems A factory wired and installed transformer See Figure 18 for a list of connecting points to the board For additional wiring information see the typical wiring diagram Figure 37 page 28 or the unit s wiring diagram which is attached to the corner panel on cabinet units and to the chassis front c...

Page 16: ...h the fresh air damper kit The damper kit must be ordered separately For detailed installation instructions refer to page 39 which is supplied with the damper motor kit Under most control schemes the damper motor is set up to open the damper automatically whenever the unit fan is in operation Figure 21 Damper Motor Kit Installed in Unit Condensate Overflow Detection Device The condensate overflow ...

Page 17: ...hes The first resets automatically when the over temperature condition no longer exists The second backup switch must be reset manually Note The need to reset the manual switch may indicate that there are improperly functioning system components If the switch trips again contact Daikin Factory Service for help in diagnosing the cause To reset the manual switch carry out the following steps 1 Disco...

Page 18: ...e Filters can be removed without removing any panels See Figure 27 However if the unit is equipped with a return air grille this must first be removed to access the filter To remove the filter 1 Slide your hands under the front opening on the bottom of the unit and feel for the filter above 2 Slide your fingers along the bottom of the filter until they reach the rear paperboard edge 3 Push the pap...

Page 19: ... the main condensate drain line out of the side of the chassis where it flows into the secondary drain pan 5 Disconnect the fan motor wiring harness by removing the plug where it attaches to the connector on the side of the chassis See Figure 29 Note Push the tabs inward on the sides of the plug to free it from the connector base Figure 29 Motor Connector Location 6 Remove the screws that attach t...

Page 20: ... 0 9 x 6 30 0x2 2x15 2 17 3 x 0 9 x 6 43 9x2 2x15 2 22 8 x 0 9 x 6 57 9x2 2x15 2 33 8 x 0 9 x 6 85 9x2 2x15 2 39 3 x 0 9 x 6 99 8x2 2x15 2 50 2 x 0 9 x 6 127 6x2 2x15 2 61 3 x 0 9 x 6 155 7x2 2x15 2 Volume Gal Liters 0 04 0 1 0 05 0 2 0 07 0 3 0 10 0 4 0 11 0 4 0 14 0 5 0 17 0 7 Preheat Coil Data 2 Row Hot Water or Steam Hot Water or Steam Face Area ft2 cm2 0 49 456 0 72 669 0 95 882 1 41 1308 1 6...

Page 21: ... 424 GG 7 8 198 7 8 198 7 8 198 7 8 198 7 8 198 7 8 198 7 8 198 Preheat Coil Water Return CC 18 7 475 18 7 475 18 7 475 18 7 475 18 7 475 18 7 475 18 7 475 HH 1 2 30 1 2 30 1 2 30 1 2 30 1 2 30 1 2 30 1 2 30 Preheat Coil Water Supply AA 15 381 15 381 15 381 15 381 15 381 15 381 15 381 FF 4 7 119 4 7 119 4 7 119 4 7 119 4 7 119 4 7 119 4 7 119 Reheat Coil Water Return CC 23 2 589 23 2 589 23 2 589 ...

Page 22: ... 16 7 424 16 7 424 16 7 424 GG 7 8 198 7 8 198 7 8 198 7 8 198 7 8 198 7 8 198 7 8 198 Preheat Coil Water Return CC 18 7 475 18 7 475 18 7 475 18 7 475 18 7 475 18 7 475 18 7 475 HH 1 2 30 1 2 30 1 2 30 1 2 30 1 2 30 1 2 30 1 2 30 Preheat Coil Water Supply AA 15 381 15 381 15 381 15 381 15 381 15 381 15 381 FF 4 7 119 4 7 119 4 7 119 4 7 119 4 7 119 4 7 119 4 7 119 Reheat Coil Water Return CC 23 2...

Page 23: ...8 1 1 28 1 1 28 1 1 28 1 1 28 1 1 28 1 1 28 Primary Coil Water Supply BB 16 7 424 16 7 424 16 7 424 16 7 424 16 7 424 16 7 424 16 7 424 GG 7 8 198 7 8 198 7 8 198 7 8 198 7 8 198 7 8 198 7 8 198 Preheat Coil Water Return CC 18 7 475 18 7 475 18 7 475 18 7 475 18 7 475 18 7 475 18 7 475 HH 1 2 30 1 2 30 1 2 30 1 2 30 1 2 30 1 2 30 1 2 30 Preheat Coil Water Supply AA 15 381 15 381 15 381 15 381 15 3...

Page 24: ...1 28 1 1 28 1 1 28 1 1 28 1 1 28 1 1 28 Primary Coil Water Supply BB 16 7 424 16 7 424 16 7 424 16 7 424 16 7 424 16 7 424 16 7 424 GG 7 8 198 7 8 198 7 8 198 7 8 198 7 8 198 7 8 198 7 8 198 Preheat Coil Water Return CC 18 7 475 18 7 475 18 7 475 18 7 475 18 7 475 18 7 475 18 7 475 HH 1 2 30 1 2 30 1 2 30 1 2 30 1 2 30 1 2 30 1 2 30 Preheat Coil Water Supply AA 15 381 15 381 15 381 15 381 15 381 1...

Page 25: ...mm 1 7 43 mm 2 8 71 mm 3 4 86 mm 1 4 36 mm 4 9 124 mm 5 5 140 mm End View Preheat Coil Piping Return Supply End View Primary Coil Piping Front View 4 Pipe Right Hand with Opposite End Preheat y p g 4 9 125 mm 2 51 mm 6 7 170 mm 1 2 32 mm Return Supply Front View 2 Pipe Right Hand 4 2 107 mm End View 2 Pipe Right Hand 4 9 125 mm 6 4 163 mm 1 3 33 mm 2 51 mm Supply Return 4 Pipe Arrangement with Sam...

Page 26: ...kin IM 980 1 Wiring Diagrams Wiring Diagrams Figure 35 Fan Coil Wiring Diagram Typical with solid state thermostat Note All field installed conductors should have an insulation rating of 300 volts or greater ...

Page 27: ...in IM 980 1 27 Wiring Diagrams Figure 36 Fan Coil Wiring Diagram Typical with unit mounted three speed fan switch Note All field installed conductors should have an insulation rating of 300 volts or greater ...

Page 28: ... IM 980 1 Wiring Diagrams Figure 37 Fan Coil Wiring Diagram Typical with electric heat and low voltage interface board Note All field installed conductors should have an insulation rating of 300 volts or greater ...

Page 29: ...1 Primary Coil Type C chilled water only W CW HW 2 pipe H hot water only S steam 12 Primary Coil Rows 2 2 row 3 3 row 4 4 row 13 Primary Coil Fins Per Inch 12 12 fins per inch 14 Primary Coil Connection Hand L left hand R right hand 15 Primary Coil Piping Package F factor installed L shipped loose Y none 16 Primary Coil Connection Type S sweated T threaded N none 17 Preheat Coil Type E1 electric s...

Page 30: ...2 5 kW Electric Heat 030 3 0 kW Electric Heat 040 4 0 kW Electric Heat 050 5 0 kW Electric Heat 060 6 0 kW Electric Heat 000 None 30 Not currently used YY none 31 Drain Pan Material P plastic non corrosive S stainless steel 32 Blower Motor Type PSC PSC motor XXX special 33 Discharge Conditions S standard static 34 Motor Speed 3 3 speed 35 Motor Connections Q quick connect 36 Not currently used YY ...

Page 31: ... med high remote mounted SPU SCR off proportional unit mounted SPR SCR off proportional remote mounted 47 Timed Override Y none 48 Valve Primary Coil See Table 4 49 Valve Preheat Coil See Table 4 50 Valve Reheat Coil See Table 4 Table 4 Model Number Detail Coil Valve Fields 49 50 51 51 Future Control Function Y None 52 Low Temperature Protection Y None X special 53 Condensate Overflow Protection C...

Page 32: ... Length 08 8 inch Extended Length 69 Subbase 30F 3 subbase with leveling feet 30Y 3 subbase without leveling feet XXF special with leveling feet XXY special without leveling feet YYY none 70 Discharge Air Outlet TA top discharge with stamped louver grille TB top discharge with multi directional grille TY top discharge with no grille TD top discharge with duct collar FD front discharge with duct co...

Page 33: ... Extended Warranty Y none standard warranty 1 1 year Extended component warranty 30 month from shipment or 24 month from installation 2 2 year Extended component warranty 42 month from shipment or 36 month from installation 3 3 year Extended component warranty 54 month from shipment or 48 month from installation 4 4 year Extended component warranty 66 month from shipment or 60 month from installat...

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Page 35: ...the front of the chassis as shown Secure the short panel with four of the retained screws two on either side see Figure 2 Installation and Maintenance Manual IM 1121 ThinLine 3G Hideaway Unit Discharge Conversion Kit Group Applied Air Systems Part Number 910118016 Date March 2011 WARNING The installation of this equipment shall be in accordance with the regulations of authorities having jurisdicti...

Page 36: ...1 Figure 1 Removing the Discharge Duct Collar and Front Block off Plate Figure 2 Attaching the Top Block Off Plate and Short Front Panel Front Block Off Plate Discharge Duct Collar Short Front Panel Top Block Off Plate ...

Page 37: ...g in Unit Base 3 Slide the damper box in place against the screen matching the dimples on the bottom of the damper box to the slots on the unit base see Figure 2 Figure 2 Slide the Damper Against the Screen 4 To secure the damper to the unit bend the tabs in the unit base pan against the left and right edges of the damper see Figure 3 Figure 3 Secure Damper with Tabs in Unit Base Pan Installation ...

Page 38: ... See Figure 5 Figure 5 Adjusting Damper Tension Cold Weather Operation Fan coils may experience erratic operation during cold ambient conditions with the outside air damper in the open position To open damper reach under the unit and pull the damper handle toward you IMPORTANT It is the responsibility of the contractor to ensure that factory installed gasketing matches up with the wall opening or ...

Page 39: ...te all damper motor kit components and remove from carton See Figure 1 for a component list Figure 1 Damper Motor Kit Assembly Right Hand Kit Shown Installation and Maintenance Manual IM 1028 Fresh Air Damper Motor Kit for ThinLine 3G Vertical Fan Coils Group Applied Air Systems Part Number 910103368 Date August 2009 NOTICE Installation and maintenance are to be performed only by qualified personn...

Page 40: ...r bracket to the chassis using the 10 x 1 2 sheet metal screws Note This is for preliminary positioning of the control rod 11 Now position the rod so that the set screws on both the damper coupling and the motor coupling will grip the rod firmly Mark the rod on the motor end 12 Remove or back out the motor bracket until you are able to tighten the 1 8 Allen set screw on the motor coupling then sec...

Page 41: ...nce Manual IM 1024 Cabinet Rear Extension Kit for ThinLine 3G Vertical Fan Coils and Unit Heaters Group Applied Air Systems Part Number 910102148 Date August 2009 NOTICE Installation and maintenance are to be performed only by qualified personnel who are familiar with and in compliance with state local and national codes and regulations and experienced with this type of equipment Right Cabinet Sid...

Page 42: ...tach the Subbase Extensions to the left and right subbases on the unit using 4 screws b Attach the Left and Right Chassis Support Panels to the left and right coil panels on the fan coil unit using 6 screws Figure 5 Attach Extension To Unit Some common applications for the rear cabinet extension include Allow additional depth for appearance of unit Allow additional clearance for cross over piping ...

Page 43: ...rill bit Then separate the door from the hinge bracket Figure 2 Remove Old Door from Bracket 4 Attach the locking mechanism to the tamper proof control door See Figure 3 5 Attach the new tamperproof control door to the hinge bracket using new hinge pins See Figure 3 Secure the hinge pins to the bracket by pinching protruding ends with a needle nose pliers Figure 3 Attach Bracket and Lock to New Do...

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Page 45: ...sition heating and cooling outputs are off Units with a two position system switch or without a system switch must use a load transfer switch when both heating and cooling outputs are used This prevents control failure and equipment damage caused by direct cycling between loads TB155 An ON OFF system switch enables auto changeover of heating and cooling modes In the ON position the thermostat acti...

Page 46: ...n relay must be used 7 Observe electrical ratings Thermostatic outputs are pilot duty only Wiring Diagrams Figure 2 Units with remote sensing capability Figure 3 Units with switches used for local sensing only Figure 4 Units with no switches with local remote sensing capability Figure 5 Units with no switches used for local sensing only Table 1 Fan and system switches Voltage Rating Inductive Resi...

Page 47: ...l on Low Voltage Interface Board terminal C Connect a wire from thermostat terminal TB2 1 24VAC to the 24 V terminal connection R Connect fan speed wires from the thermostat to appropriate Low Voltage Interface Board terminals Connect a wire from thermostat terminal TB2 2 High fan speed to the HI terminal Connect a wire from thermostat terminal TB2 3 Med fan speed to the Med terminal Installation ...

Page 48: ... sensor 24VA XFMR LINE VOLTAGE Clg 24vac valve actuators with quick connects t Htg 24vac valve actuators with quick connects Hi Med Lo Fan motor control Room air or return air temperature sensor Clg 24vac valve actuators inputs Remote thermostat 24 VAC power Condensate overflow sensor output Htg 24vac valve actuators inputs FA Line Voltage Available in Stock Changeover pipe sensor or switch Unit m...

Page 49: ...nstalling valve packages Solder the appropriate inlet and outlet CW pipe connections from the valve package to the coil connections Solder the appropriate inlet and outlet HW pipe connections from the valve package to the coil connections Snap on the Quick connects of the valve actuators to the appropriate terminals of the Low Voltage Interface Board as per Fig 2 Step 2 Provide power to thermostat...

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Page 51: ...peration Adjust the thermostat as necessary to complete at least one cycle Be sure the thermostat and all other equipment are functioning correctly DANGER READ THESE INSTRUCTIONS CAREFULLY BEFORE ATTEMPTING TO INSTALL OPERATE OR SERVICE THIS THERMOSTAT Failure to observe safety information and comply with instructions could result in PERSONAL INJURY DEATH AND OR PROPERTY DAMAGE To avoid electrical...

Page 52: ... set point becomes effective and the display of the room temperature resumes Setback Operation Connection of the Setback Input to 24 VAC 1 will force the control into unoccupied mode see wiring diagram Pressing an arrow key or the mode button on the thermostat cover will disable the setback input for one hour Pipe Sensor Operation If cold water is detected the system will operate in summer mode an...

Page 53: ...peration and in the main duct system for forced air operation 3 The set point and operating mode will be retained on a loss of power 4 When using either a remote probe or pipe sensor run wiring away from any electrical motors or power wiring Power Up Operating Sequence Upon application of power an MTA158 will go directly to normal operation Jumper Designation Jumper Installed ON Jumper Removed JP1...

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Page 55: ...l fire and or explosion do not use in potentially flammable or explosive atmospheres Retain these instructions for future reference You must review your application and national and local codes to ensure that your installation will be functional and safe LOW V OLTAG E C ONNE C T IONS LINE V OLTAG E C ONNE C T IONS L1 HOT LO MED 24 VAC 1 24 VAC 2 SETBACK INPUT MAIN 1 OPEN SEC 1 OPEN MAIN 2 CLOSE SE...

Page 56: ...stat operates as a heating only thermostat The cooling outputs are disabled If constructed without a mode button the thermostat operates in Auto mode subject to configuration of the 2 4 pipe jumper and pipe sensor input Fan Speed Switch Operation Fan speed is determined by manual selection from fan switch OFF to HIGH MEDIUM and or LOW In units with the Cycling Fan Option demand output the Fan oper...

Page 57: ... 1 to 5 by pressing the mode button or by pressing the UP and DOWN arrows simultaneously Adjust Value Use UP or DOWN arrow Table 3 Service Menu Functions Figure 3 Circuit Board Jumpers Table 4 Circuit Board Jumper Configuration Power Up Operating Sequence Upon application of power an MTA158 will go directly to normal operation Item Function Range Default 1 Zone Temp Offset 5 1 F to 5 1 F 0F 2 Valv...

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Page 59: ... INSTALL OPERATE OR SERVICE THIS THERMOSTAT Failure to observe safety information and comply with instructions could result in PERSONAL INJURY DEATH AND OR PROPERTY DAMAGE To avoid electrical shock or damage to equipment disconnect power before installing or servicing Use only wiring with insulation rated for full thermostat operating voltage Use copper wire only Insulate or wire nut all un used l...

Page 60: ...rol 0 10 VDC 4 0 mA valves These units may include a fan switch with one or more fan speed selections Mode Button Operation OFF All thermostat outputs are off fan is still operational if connected to a manual fan switch AUTO The thermostat automatically selects heating or cooling mode depending upon the relationship of the setpoint and the room temperature The appropriate HEAT or COOL indicator is...

Page 61: ...w Table 4 Service Functions Switch Closed On Open Off 1 Not Used Not Used 2 Staged Heat 3 F Diff Term 13 Aux Heat No Diff Term 13 3 F Display C Display 4 Main Sec Outputs 0 10 VOC Term 10 11 requires JP4 JP5 Main Sec Outputs 4 20 mA Term 10 11 Remove JP4 JP5 5 Operating Position Not Used 6 Setback 90 F 50 F Setback 85 F 60 F Item Function Range Default 1 Zone Temp Offset 5 1 F to 5 1 F 0 F 2 Valve...

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Page 63: ...inApplied com US IM 846 MT 170 Thermostats Installation and Maintenance Manual IM 846 T170 Thermostat Group Fan Coil Part Number 910102993 Date July 2006 24 VAC 120 277 VAC 3 Speed Fan Control Continuous or Cycling or Staged Fan Control ...

Page 64: ...01 5 F C Button Operation TB170 001 5 Verifying Thermostat Operation 5 Thermostat Menu Functions 6 Menu Function Access 6 Menu Functions 6 Condensate Overflow Interrupt 6 Fan Operation 7 Standard Fan Configuration TA170 001 7 Staged Fan Configuration TB170 001 7 Controlled Off Factory Configuration 7 Fancoil Operation 8 2 Pipe Operation 8 4 Pipe Operation 8 Setback Operation 8 Optional Occupancy D...

Page 65: ...embly from its base to gain access to the circuit board Figure 2 Figure 2 Circuit board WARNING BEFORE ATTEMPTING TO INSTALL OPERATE OR SERVICE THIS THERMOSTAT CAREFULLY READ THESE INSTRUCTIONS Failure to observe safety information and comply with instructions could result in PERSONAL INJURY DEATH AND OR PROPERTY DAMAGE To avoid potential fire and or explosion do not use in potentially flammable o...

Page 66: ...napped into the cover and is not dislodged 10 Install the cover assembly to the base pressing firmly to engage the cover locking snaps CAUTION Before applying power the voltage selection switch must be in the appropriate position Failure to select the correct voltage can cause thermostat malfunction or permanently damage the thermostat CAUTION To use a remote sensor on units with local sensing cap...

Page 67: ...button Figure 4 to control operation of the fan In the ON position the fan output operates continuously In the AUTO position the output cycles with demand In the OFF position all outputs are off Note Model TB170 001 part 107345336 has staged fan control Speed Button Operation TA170 001 The fan Speed button Figure 4 for model TA170 001 part 107345335 is determined by manually selecting HI MED or LO...

Page 68: ...ecrease the value press the up or down arrow button 6 Set back heat When this function is selected the current temperature range adjustment the SET BACK icon and the HEAT icon appear To increase or decrease the value press the up or down arrow button 7 Set back cool When this function is selected the current Cool setback value the SET BACK icon and the COOL icon appear To increase or decrease the ...

Page 69: ...guration may be provided for minimum heating and cooling requirements Using this configuration the HEAT and COOL outputs are automatically cycled on at the heat setback limit Your thermostat may not have this feature SPEED Fan speed is selected by the user Fan ON fan is on continuously Temperature demand heat Set point Fan AUTO fan cycles on with demand Temperature demand cool Fan ON fan is on con...

Page 70: ...or purge cycle operation is as follows 1 The thermostat has a call for heat or cooling Note If at any time the call goes away the thermostat stops the purge cycle 2 The thermostat checks the pipe sensor to verify water temperature 3 If the water temperature is beyond 15 F of the set point normal HVAC control occurs 4 If the water temperature is not beyond 15 F of the set point the thermostat check...

Page 71: ... for use with the SB200 001 sensor Operation In an occupied mode the thermostat operates normally and looks for a door open signal When the door opens the thermostat waits for a door close signal If the door is open for more than two minutes the thermostat turns the HVAC system outputs to OFF During this two minute period if any button is pressed on the keypad the time delay is extended to ten min...

Page 72: ...Page 72 Daikin IM 846 Optional Occupancy Detection Equipment Operation Figure 10 Optional equipment configuration 1 ...

Page 73: ...moved to allow setback input Note An optional door and or window switch Figure 11 and slave sensor can be added for use with the SD200 001 sensor Operation In an occupied mode the SD200 001 occupancy sensor Figure 11 and door switch use advanced microprocessor logic to determine occupancy A door open signal will initiate occupancy status detection If the sensor determines that a room is occupied i...

Page 74: ... occupancy status as well as selectable high low temperature setback form C output and a five minute door open HVAC shut off This system provides basic room setback and is ideal for control of HVAC in commercial spaces Note To use this configuration the jumper to JP3 is removed to allow setback input Operation With each occupancy detection an OFF delay is started and can be set to delay for up to ...

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Page 76: ...ing or call 540 248 9646 and ask for the Training Department Warranty All Daikin equipment is sold pursuant to its standard terms and conditions of sale including Limited Product Warranty Consult your local Daikin Representative for warranty details Refer to Form 933 43285Y To find your local Daikin Representative go to www DaikinApplied com This document contains the most current product informat...

Page 77: ...nual 5 Pull off the fan slide switch cap Figure 3 Note Be careful not to change the position of the switch you set in Step 2 6 Place the new thermostat cover that does not have the 3 speed switch opening on the thermostat Figure 4 Figure 1 Pry behind left hand edge of cover to remove Figure 2 Pull left end of cover away until tabs at right end are cleared Installation and Maintenance Manual IM 831...

Page 78: ... 2011 Daikin 800 432 1342 www DaikinApplied com IM 831 Page 78 Figure 3 Remove plastic fan slide switch cap Figure 4 Thermostat cover without 3 speed switch opening ...

Page 79: ...on C connected to valve valve cycle or to the yellow wire of the speed switch fan cycle Terminal No 2 has a red wire and is normally open N O Connected to the heating red wire of the thermostat Terminal No 3 has a blue wire and is normally closed N C Connected to the cooling blue wire of the thermostat At approximately 65 F plus or minus 6 F terminals 1 and 3 are closed and terminals 1 and 2 are o...

Page 80: ...0 15 5 90 30 25 061361801 Changeover Range 65ºF to 95ºF 18ºC to 35ºC Maximum Operating Temperature Limits 220ºF Fluid Temperature 125ºF Ambient 104ºC Fluid Temperature 52ºC Ambient Agency Approval UL Listed CSA Approved The specifications above are nominal and conform to generally acceptable industry standards Daikin is not responsible for damages resulting from misapplication or misuse of its pro...

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Page 82: ...e Training Department Warranty All Daikin equipment is sold pursuant to its standard terms and conditions of sale including Limited Product Warranty Consult your local Daikin Representative for warranty details Refer to Form 933 43285Y To find your local Daikin Representative go to www DaikinApplied com This document contains the most current product information as of this printing For the most up...

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