Trane FC Installation & Operation Manual

Unitrane fan-coil & force flo air conditioners 200 to 1,200 cfm, “zo” and later design sequence & “so” and later design sequence

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Installation, Operation,
and Maintenance
UniTrane Fan-Coil & Force Flo
Air Conditioners
200 to 1,200 cfm
Models FC & FF
"ZO" and later design sequence
Low vertical models FCKB & FCLB:
"SO" and later design sequence
April 2005
UNT-SVX07A-EN

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Summary of Contents for Trane FC

  • Page 1 Installation, Operation, and Maintenance UniTrane Fan-Coil & Force Flo Air Conditioners 200 to 1,200 cfm Models FC & FF “ZO” and later design sequence Low vertical models FCKB & FCLB: “SO” and later design sequence UNT-SVX07A-EN April 2005...
  • Page 2: Installation

    I/O = Inputs/outputs storing components provided by contact your local Trane representative. IOM= Installation, operation, and Trane or others, refer to the maintenace manual appropriate manufacturer’s literature Warnings and Cautions LH = Left-hand for allowable waiting periods for...
  • Page 3: Table Of Contents

    contents Cross reference to related publications/information for UniTrane™ fan-coil & Force Flo™ equipment: • Rover ™ Installation, Operation and Programming Guide, EMTX-SVX01D-EN • Tracer ™ ZN510 Unit Controller, CNT-IOP-1 • Tracer ™ ZN520 Unit Controller, CNT-SVX04A-EN • UniTrane ™ Fan-Coil Catalog, UNT-PRC001-EN •...
  • Page 4 general information General Model Number switch option, can be ordered with a low Each UniTrane fan-coil and Force-Flo UniTrane fan-coil and Force Flo units are voltage(24 volts AC) transformer and cabinet heater has a multiple character intended for single zone applications. three fan speed relays.
  • Page 5: Model Number Description

    Model Number Description FC B B 020 1 C P0 A 0 G 1 0 A A 2 M 000 0 0 1 0 0 0 A A 000 000 0 0 0 0 A 0 0 G = back open return L = 3 row cooling/heating w/ elec heat Digits 1, 2 —...
  • Page 6 general Installation information Digits 37, 38 — future cntrl functions J = 2-way, modulating, 0.7 Cv (50 psig)* G = Tracer ZN520 K = 3-way, modulating, 0.7 Cv (50 psig)* H = CSTI Digit 39 — projection panel/falseback L = 2-way, modulating, 1.1 Cv (60 psig)* 0 = none M= 3-way, modulating, 1.1 Cv (60 psig)* Digit 31 —...
  • Page 7 general Installation information Table I-GI-1. Fan-coil component data unit size Coil Data Face Area — Ft 0.8 (743) 0.8 (743) 1.1 (1020) 1.6 (1490) 2.1 (1950) 3.2 (2970) 3.2 (2970) LxDxH — In. (cm) 2-Row 15x1.7x8 15x1.7x8 20x1.7x8 29.5x1.7x8 38x1.7x8 57x1.7x8 57x1.7x8 (38x4x20)
  • Page 8 general Installation information Available Models model B vertical cabinet model C horizontal concealed model A vertical concealed model E horizontal recessed model F wall hung cabinet model D horizontal cabinet model K low vertical cabinet model H vertical recessed model L low vertical concealed model M inverted vertical cabinet model N inverted vertical recessed model J slope-top cabinet...
  • Page 9 general Installation information Factory-Installed Piping Packages Note: This figure shows piping package components and basic arrangement. It is not an accurate pictorial of what factory-installed piping packages look like. UNT-SVX07A-EN...
  • Page 10: Dimensions & Weights

    dimensions Installation & weights Vertical Concealed, Model A Vertical Concealed Unit Dimensions & weights, in-lbs. Unit Size 02-03 10-12 2’-8 ” 3’-1 ” 3’-11 ” 4’-7 ” 6’-2 ” 1’-9 ” 2’-2 ” 2’-11 ” 3’-8 ” 5’-3 ” 1’-10 ”...
  • Page 11: Dimensions & Weights

    dimensions & weights Installation Vertical Cabinet, Model B Vertical Cabinet Unit Dimensions, in-lbs. unit size 02-03 10-12 2’-9 ” 3’-2 ” 3’-11 ” 4’-8 ” 6’-3 ” 1’-9 ” 2’-2 ” 2’-11 ” 3’-8 ” 5’-3 ” ” ” ” ”...
  • Page 12 dimensions Installation & weights Horizontal Concealed, Model C Horizontal Concealed Unit Dimensions, in-lbs. unit size 02-03 10-12 2’-8 ” 3’-1 ” 3’-11 ” 4’-7 ” 6’-2 ” 1’-9 ” 2’-2 ” 2’-11 ” 3’-8 ” 5’-3 ” 1’-10 ” 2’-3 ”...
  • Page 13 dimensions Installation & weights Horizontal Cabinet, Model D Horizontal Cabinet Unit Dimensions, in-lbs. unit size 02-03 10-12 2’-9 ” 3’-2 ” 3’-11 ” 4’-8 ” 6’-3 ” 1’-9 ” 2’-2 ” 2’-11 ” 3’-8 ” 5’-3 ” ” ” ” ”...
  • Page 14 dimensions Installation & weights Horizontal Recessed, Model E Horizontal Recessed Unit Dimensions, in-lbs. unit size 02-03 10-12 2’-11 ” 3’-4 ” 4’-2 ” 4’-10 ” 6’-5 ” 1’-9 ” 2’-2 ” 2’-11 ” 3’-8 ” 5’-3 ” 1’-10 ” 2’-3 ”...
  • Page 15 dimensions Installation & weights Vertical Wall Hung Cabinet, Model F Vertical wall hung cabinet unit dimensions & weights, in-lbs. unit size 02-03 10-12 2’-9 ” 3’-2 ” 3’-11 ” 4’-8 ” 6’-3 ” 1’-9 ” 2’-2 ” 2’-11 ” 3’-8 ”...
  • Page 16 dimensions Installation & weights Vertical Recessed, Model H Vertical Recessed Unit Dimensions, in-lbs. unit size 02-03 10-12 2’-8 ” 3’-1 ” 3’-11 ” 4’-7 ” 6’-2 ” 1’-9 ” 2’-2 ” 2’-11 ” 3’-8 ” 5’-3 ” 1’-10 ” 2’-3 ”...
  • Page 17 dimensions Installation & weights Vertical Slope Top, Model J Vertical Slope Top Unit Dimensions, in-lbs. unit size 02-03 10-12 2’-9 ” 3’-2 ” 3’-11 ” 4’-8 ” 6’-3 ” 1’-9 ” 2’-2 ” 2’-11 ” 3’-8 ” 5’-3 ” ” ”...
  • Page 18 dimensions Installation & weights Low Vertical Concealed, Model K Low Vertical Concealed Unit Dimensions, in-lbs. unit size 3’-5 ” 4’-2 ” 4’-11 ” 2’-2 ” 2’-11 ” 3’-8 ” 2’-3 ” 3’-0 ” 3’-9 ” 1’-10 ” 2’-7 ” 3’-4 ”...
  • Page 19 dimensions Installation & weights Low Vertical Cabinet, Model L Low Vertical Cabinet Unit Dimensions, in-lbs. unit size 3’-10 ” 4’-8 ” 5’-4 ” 2’-2 ” 2’-11 ” 3’-8 ” ” 1’-1 ” ” 2’-0” 2’-6” 3’-6” 2’-0 ” 2’-9 ” 3’-6 ”...
  • Page 20 dimensions Installation & weights Inverted Vertical Cabinet, Model M Inverted vertical cabinet unit dimensions & weights, in-lbs. unit size 02-03 10-12 2’-9 ” 3’-2 ” 3’-11 ” 4’-8 ” 6’-3 ” 1’-9 ” 2’-2 ” 2’-11 ” 3’-8 ” 5’-3 ”...
  • Page 21 dimensions Installation & weights Inverted Vertical Recessed, Model N Inverted vertical recessed unit dimensions & weights, in-lbs. unit size 02-03 10-12 2’-3 ” 2’-8 ” 3’-6 ” 4’-2 ” 5’-9 ” 1’-9 ” 2’-2 ” 2’-11 ” 3’-8 ” 5’-3 ”...
  • Page 22 dimensions Installation & weights Fan-Coil Coil Connections Vertical Units Fan-Coil Coil Connections Horizontal Units UNT-SVX07A-EN...
  • Page 23 dimensions Installation & weights Force Flo Coil Connections, Vertical Units Force Flo Force Flo Coil Connections, Coil Connections, Inverted Units Horizontal Units HR - Hot Water Return HS - Hot Water Supply UNT-SVX07A-EN...
  • Page 24 dimensions Installation & weights Fresh Air Opening Locations Horizontal Units Models C, D, and E Fresh Air Opening Dimensions, Horizontal Units Unit Size 02-03 10-12 1’-6” 1’-11” 2’-8 ” 3’-5” 5’-0” 1’-9 ” 2’-2 ” 2’-11 ” 3’-8 ” 5’-3 ”...
  • Page 25 dimensions Installation & weights Fresh Air Opening Locations Vertical Units Models A, B, F, & J WALL HUNG Fresh Air Opening Dimensions, Vertical Units Unit Size 02-03 10-12 1’-6” 1’-11” 2’-8 ” 3’-5” 5’-0” 1’-9 ” 2’-2 ” 2’-11 ” 3’-8 ”...
  • Page 26 dimensions Installation & weights Wall Box CONTINUOUS Wall Box Dimensions MORTAR RIBS TOP AND Unit Size Dimensions Internal BOTTOM Ref. Only A x B Supports 02 - 03 ” ” ” 10 -12 ” ” ” ” 4 ” WOVEN ALUMINUM INSECT SCREEN CLEARANCE FOR DRAINAGE...
  • Page 27 dimensions Installation & weights Projection Panel Projection Panel Dimensions Unit Size 02 - 03 10 - 12 3’-11” 4’-3” 5’-3” 5’-5 ” 7’-5 ” UNIT TO WALL — TOP VIEW 2’-6” 2’-6” 2’-6” 2’-9 ” 2’-9 ” Projection Panel, All Unit Sizes 2”...
  • Page 28: Pre-Installation Considerations

    1 inch per 10 feet and consignee. possible shipping damage. See the of condensate line run to adequately ! Notify your Trane representative of Receiving Checklist section for detailed drain condensate. the damage and arrange for repair. instructions. Trane recommends leaving 5.
  • Page 29 pre-installation Installation considerations Service Access Service access is available from the front on vertical units and from the bottom on 24" horizontal units. Cabinet and recessed 12" units have removable front or bottom both sides panels to allow access into the unit. See 8.5"...
  • Page 30: Mechanical Requirements

    Before installing field piping to the coil, energy storing components provided 4. Insulate all piping to coil connections as consider the following . by Trane or others, refer to the necessary after connections are • All coil connections are -inch O.D. (or appropriate manufacturer’s literature...
  • Page 31 mechanical Installation requirements Water Piping Connections to Factory- 3. Slide the copper pipe over the drain Automatic Changeover Sensor Installed Piping Package pan nipple and tighten the collar on the Two-pipe changeover units with either Before installing water piping supply and pipe with a hose clamp (installer the Tracer ZN010, ZN510, and ZN520 return lines to factory piping package,...
  • Page 32 The installer should position the prevent unplanned condensation. Trane lockout switch on the supply water line of recommends field-insulation of the the unit by sliding its spring connector following areas to prevent potential over the pipe.
  • Page 33: Installation Requirements

    mechanical Installation requirements Balancing The Manual Circuit Setter 5. Adjust the circuit setter valve by Valve turning the valve stem until the The manual circuit setter valve is an appropriate pressure drop is achieved. optional end valve supplied on the return 6.
  • Page 34 mechanical requirements Installation Note: Instructions for using this chart are on the previous page. For the manual circuit setter provided with the fan-coil or Force Flo, use the 'M' line for reference. Chart I-MR-1. Manual circuit setter valve, differential pressure vs. flow UNT-SVX07A-EN...
  • Page 35 Automatic two-position (on-off) control valve feet in the direction of flow. b. Trane recommends using flat and Automatic three-way control valve 6. Do not drain the steam mains or take- Vacuum breaker thermostatic traps because of gravity off through the coils.
  • Page 36: Electrical Requirements

    Pull the (RFI). In addition, improper separation components provided by Trane or capped ground wire into the junction box. may cause electrical noise problems. others, refer to the appropriate Therefore, use shielded wire (Beldon manufacturer’s literature for allowable...
  • Page 37 electrical Installation requirements Table I-ER-2. Low vertical free discharge Table I-ER-4. Free discharge motors on units with two-row, electric, or steam coils motors, 115 volt unit 115 volt 208-230 volt 277-480 volt size hp (kW) hp (kW) hp (kW) size HP (kW) .03 (.02) .03 (.02)
  • Page 38 electrical Installation requirements Table I-ER-8. Fan-coil electric heat kW Unit Size Unit Voltage 10.0 10.0 Table I-ER-9. Electric heat kW, low vertical fan-coils unit size unit voltage Low vertical units are only available with electric heat in combination with the two-row cooling coil. Minimum Circuit Ampacity (MCA) and Maximum Fuse Size (MFS) Calculations for Fan-Coils with Single Phase Electric Heat Heater amps = (heater kW x 1000)/heater voltage...
  • Page 39 electrical requirements Installation Table I-ER-10. Force Flo single-stage, max kW electric heat unit heater heater size volts phase wires amps/ph 2.25 10.9 12.5 10.9 2.25 21.7 25.0 21.7 12.6 14.5 27.5 31.3 27.1 15.9 18.1 38.0 10.5 43.8 10.5 38.0 21.9 10.5 25.3...
  • Page 40 electrical requirements Installation Table I-ER-12. Force Flo 2-stage electric heat unit 1st stage total total size volts phase wires amps/ph 0.75 2.25 10.9 12.5 10.9 0.75 2.25 21.7 25.0 21.7 12.6 14.5 27.5 31.3 27.1 15.9 18.1 38.0 10.5 43.8 10.5 38.0 21.9...
  • Page 41: Installation Procedure

    installation Installation procedure 5. Complete piping and wiring Installing the Unit bottom. Slide the front panel down onto connections. the tabs while holding the panel close as Follow the procedures below to install the necessary ductwork as instructed in the possible to the cabinet.
  • Page 42 installation Installation procedure CAUTION Unit Leveling! All unit panels and filters must be in place prior to unit start-up. Failure to have panels and filters in place may cause motor overload. Note: The trim ring assembly cannot accomodate unlevel ceilings. Note: On sizes 8, 10, &...
  • Page 43 installation procedure Installation Wall-Mounted Control Options Figure I-IP-4. Zone sensor with Figure I-IP-2. Zone sensor with off/ setpoint knob, on/cancel, & comm auto/high/low fan speeds, setpoint jack. knob, on/cancel, and comm jack. Figure I-IP-3. Zone sensor with on/cancel Figure I-IP-5. Zone sensor only, and comm jack.
  • Page 44 installation Installation procedure Installing Wall Mounted 3. To install the zone sensor module • Concealed pipes, air ducts, or chimneys Controls without a junction box (directly to the in partition spaces behind the controller. wall): Fan Mode Switch Installation Reference the wall-mounted zone sensor a.
  • Page 45 installation Installation procedure Installation Checklist Protection Association (N.F.P .A.) Standard 90A or 90B concerning the The following checklist is only an use of concealed ceiling spaces as abbreviated guide to the detailed return air plenums. Verify correct ceiling installation procedures given in this opening dimensions on unit submittals.
  • Page 46: Pre-Startup Requirements

    3. Listing/Rating – 300V 150C NEC 725-2 (b) Class 2 Type CL2P Recommended 4. Trane Part No. 400-20-28 or equivalent, Communication Wiring available through Trane BAS Buying Practices Group Accessories catalog.
  • Page 47 3. Set water flow to the unit properly if storing components provided by unit piping has the circuit setter valve. Trane or others, refer to the 4. Check strainers (if supplied) for debris appropriate manufacturer’s literature after apply system water.
  • Page 48 Tracer™ ZN510 & ZN520 Unit sensor module to 55°F for cooling or Startup 85°F for heating. Refer to the Trane publication, CNT-IOP-1 The appropriate control valve will actuate Installation, Operation and Programming assuming the following conditions: Guide for Tracer ZN510 and CNT- 1.
  • Page 49: Operation

    general Operation information General Information The unit-mounted option operates on line voltage. The wall mounted option is low- Relay Board voltage and has three 24-volt relays using The relay board is a new component on a factory-wired transformer and relays to all models (except those with a unit- control the fan motor.
  • Page 50: Sequence Of Operation

    sequence of Operation operation Fan Mode Switch Operation Tracer ZN520 Operation Fan is turned off, two-position damper Fan is off; control valve options and fresh option spring-returns closed. air damper options close. The low air Hi, Med, Lo temperature detection option is still Fan runs continuously at the selected active.
  • Page 51: Binary Inputs

    sequence of Operation operation Sequence of Operation Table O-SO-1. Unit mode as related to water temperature Tracer ZN010 and ZN510 unit type EWT sensor required? coil water temperature 2-pipe changeover COOLS if: space temp - EWT 5°F Note: this section applies only to units HEATS if: EWT - space temp 5°F with a Tracer ZN010 or ZN510 controller.
  • Page 52 The fan runs continuous when Table O-SO-6. Valid operating range and factory default setpoints placed in the high, medium, or low position. Use Rover, Trane’s installation setpoint/parameter default setting valid operating range and service tool, to change auto defaults.
  • Page 53 Installation Operation and Programming between the unoccupied cooling and On button on the Trane zone sensor. Guide , for specific instructions regarding heating setpoints. Note that primary the procedure for running the Tracer ZN520.
  • Page 54: Cooling Operation

    sequence of Operation operation Cooling Operation Unit diagnostics can affect the Tracer The economizer is used for cooling purposes whenever the outdoor tem- ZN520 controller operation, causing unit The heating and cooling setpoint high operation to be defined as abnormal. perature is below the economizer enable and low limits are always applied to the setpoint and there is a need for cooling.
  • Page 55: Fan Mode Operation

    sequence of Operation operation Fan Mode Operation Table O-SO-8. Local fan switch enabled Continuous Fan Operation During occupied and occupied standby For multiple fan speed applications, the Communicated Fan switch (local) Fan operation fan speed input modes, the fan normally is on. For Tracer ZN520 controller offers additional Ignored multiple speed fan applications, the fan...
  • Page 56 sequence of Operation operation Fan Start on High Speed temperature is not usable for the desired Economizer Damper Option On a transition from off to any other fan mode, the controller continues to com- With a valid outdoor air temperature speed, the Tracer ZN520 controller pare the entering water temperature (either hardwired or communicated),...
  • Page 57 Rover service tool. For more information on binary controller operation input description configuration contact closed contact open setup, refer to the Trane publication Note 1 Note 5 EMTX-IOP-2. BI 1 low temperature detection normally closed normal...
  • Page 58 sequence of Operation operation Table O-SO-14. Analog inputs description terminals function range zone TB3-1 space temperature input 5° to 122°F (-15° to 50°C) ground TB3-2 analog ground TB3-3 setpoint input 40° to 115°F (4.4° to 46.1°C) B3-4 fan switch input 4821 to 4919 W (off) 2297 to 2342 W (auto) 10593 to 10807 W (low)
  • Page 59 These setpoint Space Temperature Measurement limits do not apply to the unoccupied Communication jack Trane zone sensors use a 10kW heating and cooling setpoints stored in Use the RJ-11 communication as the thermistor to measure the space the controller’s configuration.
  • Page 60: Maintenance

    Maintenance diagnostics Diagnostics Table . Tracer ZN520 Diagnostics M-D-1 Diagnostic Other Outputs (Note 1) Condensate overflow Valves Closed, Fresh air damper Closed, electric heat Off, Baseboard heat Off Low temperature detection Valves Open, Fresh air damper Closed, electric heat Off, Baseboard heat Off Low air flow - fan failure Valves Closed, Fresh air damper Closed, electric heat Off,...
  • Page 61 3. By cycling power to the controller handled according to Table M-D-2. another diagnostic occurs. 4. Through Rover™, Trane’s service tool 5. Tracer ZN520: by using any other Using Trane’s Service Tool, Rover™ Note: The automatic diagnostic reset communicating device ab le to access Rover™, Trane’s service tool, can reset...
  • Page 62 diagnostics Maintenance Table M-D-3. Fan outputs do not energize Probable Cause Explanation Random start After power-up, the controller always observes a random start that varies observed between 0 and 25 seconds. The controller remains off until the random start time expires. Power-up control wait When power-up control wait is enabled (non-zero time), the controller remains off until one of two conditions occurs: 1.
  • Page 63 diagnostics Maintenance Table M-D-6. Electric Heat Not Operating Probable Cause Explanation Normal operation The controller cycles electric heat on and off to meet the unit capacity requirements. Requested mode: off It is possible to communicate the operating mode (such as off, heat, cool) to the controller. When off is communicated to the controller, the units shuts off the electric heat.
  • Page 64: Troubleshooting

    Maintenance troubleshooting Board switches are factory set based on unit control options. Figure M-T-2 shows a relay board detail. Additional information on switch settings follows. Switch SW1: Controller Type SW1 determines the unit control type. Position 1 indicates one of the following: •...
  • Page 65: Troubleshooting

    “wink” to indicate it received the signal. If the LED flashes once every second, use Rover™, Trane’s service tool, to restore If the LED is off, either the power is off, an the unit to normal operation. Refer to the abnormal condition is present or the Rover™...
  • Page 66: Maintenance Troubleshooting

    Maintenance troubleshooting Manual Output Test Procedure • Verify output wiring and operation Follow the procedure below to test the without using Rover™, service tool Tracer ZN010, ZN510, and ZN520 • Force the water valve to open and controllers. balance the hydronic system 1.
  • Page 67: Maintenance Procedures

    Trane or others, refer to the properly at least every six months or as pan closest to the control box. Remove appropriate manufacturer’s literature...
  • Page 68 maintenance Maintenance procedures Coil Maintenance Inspect coils at least every six months or Keep coils clean to maintain maximum more frequently as dictated by operating clips hold drain pan in place performance. For operation at its highest experience. Cleaning frequently is efficiency, clean the coil often during dependent upon system operating periods of high demand or when dirty...
  • Page 69 Trane Service Parts Center. To order, units. the Trane parts center will need the unit 3. While supporting the fanboard in place, model number (which can be found on remove the two fanboard mounting...
  • Page 70 For variable frequency drives or other energy storing components provided by Trane or others, refer to the appropriate manufacturer’s literature for allowable waiting periods for discharge of capacitors. Verify with an appropriate voltmeter that all capacitors have discharged.
  • Page 71: Typical Wiring Diagrams

    typical wiring Maintenance diagram CSTI Fan Speed Switch UNT-SVX07A-EN...
  • Page 72 typical wiring Maintenance diagram CSTI Non Fan Speed Switch UNT-SVX07A-EN...
  • Page 73 typical wiring Maintenance diagram Line voltage fan speed switch UNT-SVX07A-EN...
  • Page 74 typical wiring Maintenance diagram Tracer ZN010 with electric heat UNT-SVX07A-EN...
  • Page 75 typical wiring Maintenance diagram Tracer ZN510 with main and auxilliary valves UNT-SVX07A-EN...
  • Page 76 typical wiring Maintenance diagram ZN520 with 2-stage electric heat UNT-SVX07A-EN...
  • Page 80 For more information contact your local office or e-mail us at comfort@trane.com Trane has a policy of continuous product improvement and reserves the right to change design and specifications without notice. Only qualified technicians should install and service equipment.

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