Trane FCV Installation, Operation And Maintenance Manual Download Page 1 | Manualshive

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Vertical High Rise Fan Coil Units —
FCV

0.75 to 3 Tons

Installation, Operation, and Maintenance

June 2021

UNT-SVX041D-EN

SAFETY WARNING

Only qualified personnel should install and service the equipment. The installation, starting up, and servicing of
heating, ventilating, and air-conditioning equipment can be hazardous and requires specific knowledge and training.
Improperly installed, adjusted or altered equipment by an unqualified person could result in death or serious injury.
When working on the equipment, observe all precautions in the literature and on the tags, stickers, and labels that are
attached to the equipment.

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Summary of Contents for FCV

Page 1: ...lation starting up and servicing of heating ventilating and air conditioning equipment can be hazardous and requires specific knowledge and training Improperly installed adjusted or altered equipment...

Page 2: ...hazardous situation which if not avoided could result in minor or moderate injury It could also be used to alert against unsafe practices NOTICE Indicates a situation that could result in equipment o...

Page 3: ...ption chapter Updated top discharge unit front and side discharge unit and unit without risers graphics in the Dimensions and Weights chapter Updated pipe connections for units without risers graphics...

Page 4: ...rimary Secondary Unit 21 Riser Packages 22 Location of Floor Opening for Risers 24 Installation Piping 26 Coil Identification 26 Piping Arrangements for Chilled and Hot Wa ter Coils 26 Two Pipe Coils...

Page 5: ...gs 61 WDS Operating Mode 61 Changing Room Temperature 62 Changing Heating Cooling Settings 62 Changing Fan Settings 62 Requesting Temporary Occupancy 62 Error Codes 62 Lock Symbol 62 Testing Signal St...

Page 6: ...Modes 77 Measuring Output Resistance 78 Cleaning the Sensor 78 LED Activity 79 Overriding Outputs 80 Diagnostics 80 Diagnostics Types 80 Fans with UC400 B Controller 81 Valves with UC400 B Controller...

Page 7: ...4 kW 208V 3 kW 050 5 kW 208V 3 8 kW 060 6 kW 208V 4 5 kW 070 7 kW 208V 5 3 kW 080 8 kW 208V 6 kW 100 10 kW Digit 23 Disconnect Switch 0 None D Disconnect Switch Digit 24 Filter Type 0 No Filter 1 1 i...

Page 8: ...0 75 in Main Risers B 1 00 in Main Risers C 1 25 in Main Risers D 1 50 in Main Risers E 2 00 in Main Risers F 2 50 in Main Risers Digit 40 Auxiliary Riser Insulation 0 No Insulation Ship Separate Rise...

Page 9: ...Insulation 2 3 4 in Closed Cell 3 1 in Closed Cell 4 1 5 in Closed Cell Digit 8 DIA Auxiliary Supply Riser 0 No Auxiliary Riser A 0 75 in Auxiliary Risers B 1 00 in Auxiliary Risers C 1 25 in Auxilia...

Page 10: ...submittals and ensure that the drywall does not interfere with the side wall grille Make allowance for the one inch flange around the grille Wall sleeves are not included which might be needed to brid...

Page 11: ...ngs can loosen during transportation and handling The coil is leak and proof tested at the factory Two way Control Valves When two way valves are used pump and chiller bypass or pump speed control mus...

Page 12: ...UTSIDE AIR OPENING BALL VALVE RISER SUPPLY RETURN RISER DRAIN DRAIN PAN P TRAP COIL DUCT COLLAR FRONT VIEW RIGHT SIDE VIEW PLUG CONNECTION FOR THERMOSTAT CUSTOMER CONTROL WIRING 1 3 32 in HOLE WITH PL...

Page 13: ...31 00 3 10 40 80 8 30 2 37 2 88 5 38 G 1 00 1 00 6 00 46 98 1 53 A B D RISER SUPPLY RETURN SUPPLY OPENING S DUCT COLLAR RISER DRAIN BLOWER DRAIN PAN FRONT VIEW PLUG CONNECTION FOR THERMOSTAT 86 00 64...

Page 14: ...5 5 38 Figure 3 Units without risers CWS CWR HWS HWR 4 13 2 25 C C 4 pipe secondary unit with connection 2 pipe secondary unit with connection Supply and return connections 1 2 in Copper pipe Supply...

Page 15: ...15 Fan Coil Weights The weights are approximate Risers external sheet metal accessories and supply air grilles are not included in the weight Table 4 Weights for fan coil units Size Weight 300 120 400...

Page 16: ...penetration although 2 inches is preferable and allowed for into each swaged joint This condition will be met if floor to floor dimensions are as specified and each branch run out is properly centere...

Page 17: ...be used It is designed to fit the 1 inch drywall flange around the return air access opening on the unit Use drywall screws no longer than 1 inch and follow the instructions on the page in the submit...

Page 18: ...uver return air panel will ship with fasteners installed 2 Hook the panel over the bottom collar of the fan coil unit rotate the panel upright so that it is against the wall and turn the head of the f...

Page 19: ...the floor slab usually sleevedbefore pouring the floor Refertothe catalogor submittals for sizes 2 Rotate the unit from the horizontal position to vertical so that the bottom end of the risers insert...

Page 20: ...slab to avoid rebar 2 Install risers using the dimensions in the submittal for locating the riser stubs vertically and at the correct horizontal center lines Anchor the risers and make good the insula...

Page 21: ...riser shut off valve 6 Make condensate connection 7 Cut P trap to size 8 Make condensate connection Table 11 P trap size when installed on side of unit Cutoff Dimension A B Size 3 04 2 20 in 5 90 in...

Page 22: ...Risers S C R Left Risers S C R Right Risers S C R RA RA Figure 10 Riser 4 pipe package Top View 3 000 3 000 HWS Hot Water Supply Riser HWR Hot Water Return Riser CWS Chilled Water Supply Riser CWR Chi...

Page 23: ...igure 11 Riser installation dimensions inches L F 2 inches Spool Piece Length F L 4 inches L F Spool Length 4 inches Standard Installation Standard Installation Using Field Supplied Spool Pieces 89 in...

Page 24: ...ng in floor slab Insulated risers Return air opening flange on front of unit Alternative positions for return air opening L 3 4 C L 5 5 2 3 1 4 4 5 W Table 14 Dimensions Fan Coil Model Width inches Le...

Page 25: ...risers will require stub out extensions Refer to the recommended installation diagram for details Figure 13 Recommended installation layout for field provided risers RA RA RA Back Riser Left Riser Rig...

Page 26: ...r ensures that the thermostat operates in a mode compatible with the water temperature in the coil All coils are piped so that the inlet is always on the row farthest downstream from the incoming air...

Page 27: ...inch or 3 4 inch copper tail piece soldered into valve body at factory Insulation lining on interior surface of fan coil cabinet Fan coil cabinet CWS CWR HWS HWR 4 13 2 25 C C 4 pipe secondary unit w...

Page 28: ...ch diameter opening with a removable plug is provided on the left side of the unit for connection of low voltage control wiring If the control wiring is not wired in conduit then a strain relief fitti...

Page 29: ...led by others terminal strip provided A Setpoint Dial Zone Sensor 3 inch B Setpoint Dial Zone Sensor w Comm 3 inch C Setpoint Dial On Cancel w Comm 3 inch D Digital Zone Sensor 3 inch E Telkonet 3 inc...

Page 30: ...W Amps kW Amps kW Amps kW Amps 400 a 120 1 60 2 0 16 7 2 5 20 8 208 1 60 1 5 7 2 1 9 9 1 2 3 11 1 240 1 60 2 0 8 3 2 5 10 4 3 0 12 5 277 1 60 2 0 7 2 2 5 9 0 3 0 10 8 600 b 120 1 60 2 0 16 7 3 0 25 0...

Page 31: ...electric heater Exception No 2 If the computed value of the overcurrentprotectivedeviceislessthantheminimum ampacity of the supply circuit the marked rating of the device shall be increased to the la...

Page 32: ...he new equipment This literature focuses on unit motors and controls including three new circuit modules developed specifically for this series There are four primary components that enable the techno...

Page 33: ...ile configurable auxiliary temperature sensor Incorporates various safety and lockout features such as maintaining proper fan speeds if electric heat is called for Status Display The motor control boa...

Page 34: ...d supplied controller thermostat Adjustment and calibration of the variable speed inputs VSP 0 10V on the system Adjustment calibration or disabling of the optional auto changeover function on CSTI un...

Page 35: ...isplayed the status will loop the following message WARNING Safety Alert You MUST follow all recommendations below Failure to do so could result in death or serious injury All settings take effect imm...

Page 36: ...a fan missing condition a Indicates the status being calculated or Fan Motor 1 If off this indicates that either 1 No fan speed is being requested or 2 The fan performance is failing to meet the reque...

Page 37: ...dons value if changed Long Press Hold in Status Display 3 sec Enters the configuration menu Long Press Hold in Configuration Display 3 sec If on a parameter name toggles to the value If on a parameter...

Page 38: ...r Display Under special conditions the status display will interrupt briefly to prioritize display of events Notes During error displays the user interface will be disabled until the error is removed...

Page 39: ...tive motor Electric heat and changeover heat will be shut down Indicates that Motor 1 has experienced a run away or over speed condition and has been shutdown The unit will offer limited limp in perfo...

Page 40: ...nimum output of the controller is significantly greater than the floor setting the first point that the motor will turn on will be above the and value The full range of motor control will not be fully...

Page 41: ...fore servicing could result in death or serious injury Disconnect all electric power including remote disconnects and discharge all motor start run capacitors before servicing Follow proper lockout ta...

Page 42: ...in addition will disable heating function on electric heat and on the changeover coil if there are fan failures The auxiliary heating coil function will continue to operate and respond to the custome...

Page 43: ...rol board label WARNING Safety Alert You MUST follow all recommendations below Failure to do so could result in death or serious injury All settings take effect immediately including fan startup and e...

Page 44: ...I Low Spd Mtr 2 Sets the minimum turn on rpm for Motor 2 when the analog input becomes active Op Mode Mtr 1 Sets the operational mode for Motor 1 Must be set to for blower coil units Op Mode Mtr 2 Set...

Page 45: ...p the on board closed loop control to control Motor 2 with proper stability Do not change this setting Ht Sens Mk Val F Sets the make value for the motor control board triac output based on the thermi...

Page 46: ...cal unit operating fan speeds Note The indicator is unit specific and may indicate Off at this point refer to thermistor function for more information 3 OPTIONAL While the fan is running if practical...

Page 47: ...ompliance with NEC and local codes The wire must be low capacitance 18 gauge stranded tinned copper shielded twisted pair Note For more details refer to Wiring Guide Unit Controller Wiring for the Tra...

Page 48: ...the UC400 B controller is always soft set by the system controller using the following scheme illustrated below Note The BACnet Device ID is displayed as the Software Device ID on the Tracer TU Contr...

Page 49: ...as network coordinator Quantity of Networks per Tracer SC A Tracer SC can support up to eight wireless networks Automatic Network Formation When a WCI is connected to a Tracer SC it is auto assigned a...

Page 50: ...l anchors for sheet rock walls Overall dimensions 2 9 inch 74 mm by 4 7 inch 119 mm Wireless protocol ZigBee PRO ZigBee Building Automation Profile ANSI ASHRAE Standard 135 2008 Addendum q BACnet ZigB...

Page 51: ...r of devices In general sheetrock walls and ceiling tiles offer little restriction to the transmission range for the sensor is as follows Open range 2 500 ft packet error rate 2 Usable range 200 ft Ty...

Page 52: ...over the top of the back plate Apply light pressure to the bottom of the cover until it snaps in place b Install the security screw into the bottom of the cover if desired see the following figure Wi...

Page 53: ...events association with a sensor 2 Set the three rotary address switches locations S1 S2 S3 on the sensor to the same address as the receiver Note Do not use 000 as an address An address of 000 remove...

Page 54: ...successful the sensor automatically re attempts association with the receiver every 10 minutes Note An associated sensor that has lost communication with the receiver will transmit an association requ...

Page 55: ...ange temperature limits Sensor The end of range temperature setpoint limits for the WDS is 50 Fto 89 6 F Receiver Power up Sequence When power is applied to the receiver one of the following sequences...

Page 56: ...nsor within 35 minutes zone temperature and setpoint outputs fail generating a unit controller alarm see FailureandDefaultModes p 77 Note Once a receiver communicates to a WZS sensor the receiver disa...

Page 57: ...n 1 VA Housing Polycarbonate ABS blend UV protected UL 94 5VA flammability rating suitable for application in a plenum Mounting 3 24 in 8 26 cm for 2 mounting screws supplied Sensor battery 2 AA 1 5 V...

Page 58: ...from F C Heat Cool Heat Cool or Backlight Operational Temperature F C Min 35 2 Max 120 49 INTERCONNECTIVITY AND CERTIFICATIONS I O Connections NTC Temperature Probe 1 Input Current Transformer Input...

Page 59: ...s subject to the following two conditions 1 This device may not cause harmful interference and 2 This device must accept any interference received including interference that may cause undesired opera...

Page 60: ...1 on p 59 Note The sensor will revert to operating mode if no buttons are pressed for 10 minutes Figure 54 Center button of keypad Center button Table 28 Configuration options for wireless display sen...

Page 61: ...he system menu press the down arrow to select the fan menu Use the left or right arrow to choose the setting 3 Press the left and right arrows for 4 seconds Note If you try to access a feature that is...

Page 62: ...sired setting appears confirm your choice by pressing the home screen will appear Indicates that the fan setting is On The number of arrows indicates fan speed 3 high 2 medium 1 low The example shown...

Page 63: ...assuming the following conditions Room temperature should be greater than 55 F and less than 85 F For a 2 pipe fan coil unit with an entering water temperature sensor the water temperature input is ap...

Page 64: ...service tool Unoccupied Mode In unoccupied mode the controller attempts to maintain the space temperature based on the unoccupied heating or cooling setpoint The fan will cycle between high speed and...

Page 65: ...implified zone controls runs In the unoccupied mode the controller maintains the zone temperature by calculating the required heating or cooling capacity 0 100 according to the measured zone temperatu...

Page 66: ...ted fan speed signal HIGH MEDIUM LOW The associated fan speed switch is set to a specific fan speed The Supply Fan Speed Request point is overridden During unoccupied operation the fan cycles between...

Page 67: ...peration the controller overdrives the actuator 135 percent of the stroke time whenever there is a request for a position of 0 percent or 100 percent At either power up after a power outage or when th...

Page 68: ...a diagnostic reset is sent to the controller and the fan condition still exists the controller attempts to run the fan for 1 minute before generating another diagnostic and performing a unit shutdown...

Page 69: ...tructions below could result in minor to moderate injury The service procedure described in this document involves working around sharp edges To avoid being cut technicians MUST put on all necessary P...

Page 70: ...ts refer to model and serial number located on the unit nameplate which is located on the fan motor cover Table 30 Filter size Filter Size 1 inch thick Unit Size Width in Height in 300 12 15 18 375 40...

Page 71: ...rtial loss of line voltage Check for loose connections Determine adequacy of main power supply Motor does not come up to speed Low voltage at motor terminals Check across AC line and correct voltage l...

Page 72: ...e Verify valve operation Verify proper valve size Incorrect refrigerant charge Verify refrigerant charge and adjust if necessary Condensing unit failure Verify condensing unit operation Coil is piped...

Page 73: ...1 Off LED2 Off LED3 2 blink pattern repeated continuously a Address set to 000 Address not set to between 001 999 LED1 Off LED2 Off LED3 3 blink pattern repeated continuously a Not configured Receiver...

Page 74: ...cation LED1 Off LED2 On LED3 On Displays for 5 seconds then constantly Off Satisfactory signal strength Adequate signal strength for reliable communication Moving sensor or receiver may improve signal...

Page 75: ...es already installed Replacement batteries are available at Trane Service Parts Centers p n X13770035010 or other local suppliers Battery Life Battery life is five years under normal conditions If the...

Page 76: ...tion The receiver disassociates from the sensor by removing all stored association information conducts a channel scan and restarts itself if any of the following are true The receiver address is chan...

Page 77: ...Measuring Output Resistance 4 When the test is complete reset the receiver address to its previous setting 5 Press the Test button on the sensor to force re association 6 Confirm association and commu...

Page 78: ...ered consequently resistance can be measured without risk of damage to the volt ohm meter Cleaning the Sensor You can clean the sensor by applying glass cleaner to a soft non abrasive cloth and gently...

Page 79: ...antly blink as it continually looks for devices to communicate to LED not lit Determine if for example a Tracer SC or BACnet device is trying to talk to the controller or if it is capable of talking t...

Page 80: ...to as latching cause the unit to shut down Manual diagnostics can be cleared from the UC400 B controller in one of the following ways By using the Tracer TU service tool to reset latching diagnostics...

Page 81: ...mper Unaffected Electric heat Unaffected Automatic CO2 sensor failure Invalid or missing value for CO2 Fan Unaffected Valves Unaffected Outdoor air damper Unaffected Electric heat Unaffected Informati...

Page 82: ...t configuration does not match the actual end device the valves may not work correctly Random start observed After power up the controller always observes a random start from 5 to 30 seconds The contr...

Page 83: ...lectric heat operation For detailed information about these diagnostics refer to Table 42 p 81 Normal operation The controller controls compressor or electric heat outputs as needed to meet the unit c...

Page 84: ...d will display troubleshooting information and contains dual tachometers to aid in performance verification Under normal circumstances the VelociTach display will display the operational status of the...

Page 85: ...due to engine locked rotor protection Motor 1 has an obstruction Status Display will be interrupted to display Remove obstruction from the fan wheel Ensure that motor plugs and all plugs to adapter bo...

Page 86: ...ld be maintained to retain the order of the motors with respect to the motor plugs On a unit with two motors the double shafted motor will always be tothe leftside and willbe designated as Motor 2 by...

Page 87: ...he unit by performing at a minimum Fan Speed Response Verification p 46 Application Notes The ECM motor has some notable differences to traditional designs NOTICE Equipment Damage Failure to follow th...

Page 88: ...ors cannot achieve rpm close to the target for a specific period of time the unit will disable electric heat and fan status indicators MCA MOP and Power Draw ECM motors have variable output but are sh...

Page 89: ...EN 89 Wiring Diagrams Figure 66 High voltage wiring diagram SAMPLE L L L LE LE LE LE LE LE LE LE LE E E E S S S S S SA SA SA SA SA SA SA SA SA SAM M MP P P P M M M M M M M M M M M M M M M M M AM AM A...

Page 90: ...A S S S S S S S S SA SA SA SA SA SA A A A A A A A A SA SA A A A A A A SAM M M M M M MP MP MP MP P P P PLE E E E A S S S SA SA SA SA AMP AM AM SA A A PL LE PL PL PL PL PL L LE LE PL PL PL PL PL PL PL P...

Page 91: ...SVX041D EN 91 Figure 68 UC400 B wiring diagram SAMPLE PL S S S S S S S S S S S S S S S S S S S S SA S S S S S S S S S S SA SA PL S S S M M M M M M MP MP MP MP P P P P P P P P P P P P P P P PL PL P P...

Page 92: ...Wiring Diagrams 92 UNT SVX041D EN Figure 69 Electric heat wiring diagram SAMPLE E MP S L L L L L L L L L L L L LE L LE LE LE LE LE LE E...

Page 93: ...Wiring Diagrams UNT SVX041D EN 93 Figure 70 UC400 B component layout S A M P L E E E E E...

Page 94: ...Wiring Diagrams 94 UNT SVX041D EN Figure 71 CSTI component layout S A M P L E...

Page 95: ......

Page 96: ...are committed to using environmentally conscious print practices Trane by Trane Technologies NYSE TT a global climate innovator creates comfortable energy efficient indoor environments for commercial...

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