Page 1 Installation, Operation, and Maintenance UniTrane™ Fan Coil and Force-Flo™ Cabinet Heater 200-1200 CFM Models FC and FF Low Vertical Models FCKB and FCLB 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.
Page 2 ALWAYS refer to the appropriate MSDS/SDS and compounds have the same potential impact to the OSHA/GHS (Global Harmonized System of environment. Trane advocates the responsible handling of Classification and Labelling of Chemicals) guidelines all refrigerants-including industry replacements for CFCs for information on allowable personal exposure...
Page 3 Copyright This document and the information in it are the property of Trane, and may not be used or reproduced in whole or in part without written permission. Trane reserves the right to revise this publication at any time, and to make changes to its content without obligation to notify any person of such revision or change.
Page 4: Table Of Contents
....5 ... .67 UniTrane™ Fan Coil/ Force Flo™ Cabinet Adjustments ......72 Heater .
Page 5: Model Number Descriptions
Without pipe, LH, With auxiliary, Stone grey Following is a complete description of Extended end Rose mauve the UniTrane fan coil and Force Flo With pipe, RH cabinet heater model number. Each digit Digit 16 — Tamperproof Locks / With pipe, LH...
Page 6 Model Number Descriptions Heat pump, Auxiliary electric Digit 27 — Future Option Air-Fi® Dehumidification and heat VOC/CO None DX cooling Air-Fi® Dehumidification with Digit 28 — Future Option DX cooling, Electric preheat sensor Air-Fi® CO None Digit 19 — Drain Pan Digit 33 —...
Page 7 Model Number Descriptions Digit 39 — Recessed Options None 5/8 in. standard recessed panel 2 in. projection panel 2.5 in. projection panel 3 in. projection panel 3.5 in. projection panel 4 in. projection panel 4.5 in. projection panel 5 in. projection panel 5.5 in.
Page 8: Unitrane™ Fan Coil Low Vertical Model
Keylock access door Tracer® UC400-B with Wireless Leveling feet Following is a complete description Communications Interface Keylock access door with of the UniTrane fan coil low height (WCI) leveling feet vertical model. CSTI with fan status Digit 17 — Coil Type Tracer®...
Page 9 Model Number Descriptions Field supplied, 2-position N.O. Field supplied, Modulating Field supplied, Analog (2-10 VDC) Digit 34 — Cv Main Valve None 2-way 1.4 Cv 2-way 2.4 Cv 2-way 3.4 Cv 3-way 1.0 Cv 3-way 2.7 Cv Digits 35 — Auxiliary Valve Type None 2-way, 2-position N.C.
Page 10: General Information
The Figure 1. UniTrane fan-coil and Force Flo cabinet heater components (vertical cabinet model shown) Factory-assembled, -installed, and Quiet operation -tested piping package with IAQ...
Page 11: Pre-Installation
It is the receiver’s responsibility to provide reasonable evidence that concealed damage UniTrane fan coils and Force-Flo cabinet heaters ship in did not occur after delivery. Take photos of damaged individual cartons for handling and storage ease.
Page 12: Site Preparation
Weights chapter. Refer to submittals for specific will adhere. Purchase factory approved touch up epoxy minimums. paint from your local Trane Service Parts Center and • Allow one and one half fan diameters above the unit apply.
Page 13: Dimensions And Weights
Dimensions and Weights Service Clearances allow access into the unit. See the figures below for recommended service and operating clearances. Service access is available from the front on vertical units and from the bottom on horizontal units. Cabinet and recessed units have removable front or bottom panels to Figure 2.
Page 14: Component Data
Dimensions and Weights Component Data Table 1. Fan coil and cabinet heater component data Unit Size Coil Data Face Area (ft 0.80 0.80 1.10 1.60 2.10 3.20 3.20 L x D x H (in.) 2-Row 15 x 1.7 x 8 15 x 1.7 x 8 20 x 1.7 x 8 29.5 x 1.7 x 8...
Page 15: Available Models
Dimensions and Weights Available Models Figure 4. Available UniTrane fan coils and Force Flo cabinet heaters Model A: Model B: Model C: Model D: Vertical Concealed Vertical Cabinet Horizontal Concealed Horizontal Cabinet Model E: Model F: Model H: Model J:...
Page 16 Dimensions and Weights Model A Vertical Concealed Figure 5. Model A Vertical Concealed Top View Bottom View Power Power 1 3/32 in. KO wiring wiring 7/8 in. KO 1 3/4 in. 1 3/4 in. bottom bottom 7/8 in. KO only and side Back Back...
Page 17 Dimensions and Weights Table 3. Model A Vertical concealed unit dimensions (inches) Unit Size 200-300 1000-1200 No. Fans No. Motors 32 11/16 37 11/16 47 3/16 55 11/16 74 11/16 21 5/16 26 5/16 35 13/16 44 5/16 63 5/16 22 13/16 27 13/16 37 5/16...
Page 18 Dimensions and Weights Model B Vertical Cabinet Figure 6. Model B vertical cabinet Top View Bottom View (4) 5/8 in dia keyslot hanger holes 1 3/32 in. Power 7/8 in. 6 5/8 in. 6 5/8 in. Power wiring 1 in. (4) Unit leveling devices wiring bottom...
Page 19 Dimensions and Weights Table 4. Model B Vertical cabinet unit dimensions (inches) Unit Size 200-300 1000-1200 No. Fans No. Motors 33 5/16 38 5/16 47 13/16 56 5/16 75 5/16 21 5/16 26 5/16 35 13/16 44 5/16 63 5/16 7 5/8 7 1/8 8 7/8...
Page 20 Dimensions and Weights Model C Horizontal Concealed Figure 7. Model C Horizontal concealed unit 2 5/16 in. 2 5/16 in. Top View Back inlet duct collar 3 1/4 in. 9/16 in. 9/16 in. (4) 5/8 in. dia keyslot hanger holes Optional Secondary drain connection disconnect...
Page 21 Dimensions and Weights Table 5. Model C Horizontal concealed unit dimensions (inches) Unit Size 200-300 1000-1200 22 13/16 27 13/16 37 5/16 45 13/16 64 13/16 19 3/8 24 3/8 33 7/8 42 3/8 61 3/8 18 1/8 23 1/8 32 5/8 41 1/8 60 1/8...
Page 22 Dimensions and Weights Model D Horizontal Cabinet Figure 8. Model D Horizontal Cabinet Top View 8 in. 8 in. Back inlet duct collar (4) 5/8 in. dia keyslot Back and bottom hanger holes inlet louvers Secondary drain connection for Optional 3/8 in.
Page 23 Dimensions and Weights Table 6. Model D Horizontal cabinet dimensions (inches) Unit Size 200-300 1000-1200 No. of Fans No. of Motors 33 5/16 38 5/16 47 3/16 56 5/16 75 5/16 21 5/16 26 5/16 35 13/16 44 5/16 63 5/16 7 5/8 7 1/8 8 7/8...
Page 24 Dimensions and Weights Model E Horizontal Recessed Figure 9. Model E Horizontal Recessed Top View 8 13/16 in. 8 13/16 in. Back inlet duct collar 1 1/2 in. 3/4 in. (4) 5/8 in. dia keyslot hanger holes Bottom inlet louvers Optional Secondary drain disconnect...
Page 25 Dimensions and Weights Table 7. Model E Horizontal recessed unit dimensions (inches) Unit Size 200-300 1000-1200 No. Fans No. Motors 35 13/16 40 13/16 50 5/16 58 13/16 77 13/16 21 5/16 26 5/16 35 13/16 44 5/16 63 5/16 22 13/16 27 13/16 37 5/16...
Page 26 Dimensions and Weights Model F Vertical Wall Hung Cabinet Force Flo Units Only Figure 10. Model F Vertical Wall Hung Cabinet (Force Flo only) Top View Bottom View Power Power wiring wiring 1 3/32 in. KO 7/8 in. KO bottom bottom 7/8 in.
Page 27 Dimensions and Weights Table 8. Model F Vertical wall hung cabinet unit dimensions (inches) Unit Size 200-300 1000-1200 No. Fans No. Motors 33 5/16 38 5/16 47 13/16 56 5/16 75 5/16 21 5/16 26 5/16 35 13/16 44 5/16 63 5/16 7 5/8 7 1/8...
Page 28 Dimensions and Weights Model H Vertical Recessed Figure 11. Model H Vertical Recessed Top View 1 3/4 in. 1 3/4 in. (4) 5/8 in. dia keyslot 5 1/2 in. hanger holes 3 7/16 in. 6 5/8 in. 5 5/16 in. Power wiring 7/8 in.
Page 29 Dimensions and Weights Table 9. Model H Vertical Recessed Unit Unit Size 200-300 1000-1200 No. Fans No. Motors 32 11/16 37 11/16 47 3/16 55 11/16 74 11/16 21 5/16 26 5/16 35 13/16 44 5/16 63 5/16 22 13/16 27 13/16 37 5/16 45 13/16...
Page 30 Dimensions and Weights Model J Vertical Slope Top Cabinet Figure 12. Model J Vertical Slope Top Bottom View Top View Power Power 6 5/8 in. 1 3/32 in. KO 7/8 in. KO 6 5/8 in. (4) Unit leveling devices wiring wiring 1 1/16 in.
Page 31 Dimensions and Weights Table 10. Model J Vertical slope top cabinet unit dimensions Unit Size 200-300 1000-1200 No. Fans No. Motors 33 5/16 38 5/16 47 13/16 56 5/16 75 5/16 21 5/16 26 5/16 35 13/16 44 5/16 63 5/16 7 5/8 7 1/8 8 7/8...
Page 32 Dimensions and Weights Model K Low Vertical Concealed Figure 13. Model K Low Vertical Concealed (2) 5/8-in. dia Keyslot hander holes Top View Top outlet 6 1/4 in. duct collar 9 1/4 in. 6 in. 11 5/8 in. HR 3 in. x 3 in. Power wiring 10 3/4 in.
Page 33 Dimensions and Weights Table 11. Model K Low vertical concealed unit dimensions (in.) and weights (lb) Unit Size 41-7/16 50-15/16 59-7/16 26-1/4 35-3/4 44-1/4 27-15/16 36-13/16” 45-15/16 22-5/16 31-13/16 40-5/16 24-1/4 33-3/4 42-1/4 Operating Weight Shipping Weight Coil connections are always on the drain pan side and opposite the control box. Coil connections are 5/8-in. O.D. sweat. See the Coil Connections Notes: section for locations.
Page 34 Dimensions and Weights Model L Low Vertical Cabinet Figure 14. Model L Low vertical cabinet Top View (2) 5/8 in. dia Keyslot hanger holes 10 15/16 in. 10 15/16 in. (4) Unit leveling devixces (optional) 9 11/16 in. 4 7/16 in. Power wiring 7/8 in.
Page 35 Dimensions and Weights Table 12. Model L Low vertical cabinet unit dimensions (in.) and weights (lb) Unit Size 46 15/16 56 7/16 64 15/16 26 1/4 35 3/4 44 1/4 11 7/16 13 5/16 11 7/16 24 1/4 33 3/4 42 1/4 Operating Weight Shipping Weight...
Page 36 Dimensions and Weights Model M Inverted Vertical Cabinet Force-Flo Unit Only Figure 15. Model M inverted vertical cabinet (Force-Flo unit only) Top View Bottom View Power Power 1 3/32 in. KO 7/8 in. KO wiring wiring bottom bottom 7/8 in. KO only and side Back...
Page 37 Dimensions and Weights Table 13. Model M Inverted vertical cabinet unit dimensions (in.) and weights (lb) Unit Size 02–03 10–12 33 5/16 38 5/16 47 13/16 56 5/16 75 5/16 21 5/16 26 5/16 35 13/16 44 5/16 63 5/16 7 5/8 7 1/8 8 7/8...
Page 38 Dimensions and Weights Model N Inverted Vertical Recessed Force-Flo Unit Only Figure 16. Model N inverted vertical recessed (Force-Flo unit only) Front View RH Piping Top View 3/4 in. 3/4 in. 1 3/4 in. 1 3/4 in. 1 3/4 in. 1 3/4 in.
Page 39 Dimensions and Weights Table 14. Model N Inverted vertical recessed unit dimensions (in.) and weights (lb) Unit Size 02–03 10–12 27 7/8 32 7/8 42 3/8 50 7/8 69 7/8 21 5/16 26 5/16 35 13/16 44 5/16 63 5/16 22 13/16 27 13/16 37 5/16...
Page 40 Dimensions and Weights Mode P Compact Concealed Figure 17. Model P Compact Concealed Top View 2 5/16 in. 2 5/16 in. Back inlet duct collar 3 1/4 in. 9/16 in. 9/16 in. (4) 5/8 in. dia keyslot Optional hanger holes discoonect Secondary drain switch...
Page 41: Coil Connections
Dimensions and Weights Table 15. Compact concealed unit dimensions (in.) Unit Size 200-300 1000-1200 32 11/16 37 11/16 47 3/16 55 11/16 74 11/16 21 5/16 26 5/16 35 13/16 44 5/16 63 5/16 22 13/16 27 13/16 37 5/16 45 13/16 64 13/16 19 3/8...
Page 42 Dimensions and Weights Fan Coil Horizontal Units Figure 19. Coil connections for fan coil horizontal units 1 in. Horizontal Concealed Horizontal Recessed (Recess panel not shown) 7/16 in. 22 3/8 in. CS 21 3/8 in. CR 21 1/16 in. HR Dimensions are typical 19 5/16 in.
Page 43 Dimensions and Weights Force Flo Vertical Units Figure 20. Coil connections for Force Flo cabinet heater vertical units 5 3/8 in. HS 5 5/16 in. HS 5 5/16 in. HS 4 7/16 in. HR 5 5/16 in. HS 4 3/8 in. HR 4 3/8 in.
Page 44 Dimensions and Weights Force Flo Horizontal and Inverted Units Figure 21. Coil connections for Force Flo cabinet heater horizontal units and inverted vertical units Inverted Vertical Cabinet Horizontal Concealed 1 in. Horizontal Recessed (recess panel not shown) 4 3/8 in. 5 5/16 in.
Page 45: Fresh Air Opening Locations
Dimensions and Weights Fresh Air Opening Locations Horizontal Units Figure 22. Fresh air openings for horizontal units (models C, D, E, and P (back duct collar only) Outside air opening - back Horizontal Concealed 11/16 in. 3 in. and Recessed Outside air 1 5/8 in.
Page 46: Vertical Units
Dimensions and Weights Vertical Units Figure 23. Fresh air openings for vertical units (models A, B, F, H, J, K, L, M, and N Vertical Concealed and Recessed 1 5/8 in. 1 5/8 in. Outside air opening - back Keyslot hanger holes 3 in.
Page 47: Wall Box
Dimensions and Weights Wall Box Figure 24. Wall box Continuous mortar ribs top and bottom 1/8 in. 1/8 in. 1/2 in. 3/4 in. 1/2 in. 1 3/8 in. 1/8 in. 4 in. Woven aluminum insect screen Clearance for drainage 5/8 in. Additional internal Continuous drip lip supports equally spaced...
Page 48: Projection Panel
Dimensions and Weights Projection Panel Figure 25. Projection panel Unit chasis end panel Projection panel Finished wall 7/8 in. 2 in. min. 6 in. max. Front View ISO Rear view ISO Table 19. Projection panel dimensions (inches) Unit Size 02–03 10–12 65 1/2 89 1/2...
Page 49: Installation-Mechanical
13. Ensure the low temperature detection device inadvertently energized. For variable frequency drives option is correctly installed. or other energy storing components provided by Trane 14. Complete all necessary duct connections. or others, refer to the appropriate manufacturer’s literature for allowable waiting periods for discharge of 15.
Page 50: Installing The Unit
Installation—Mechanical Installing the Unit while holding the panel close as possible to the cabinet. While the bottom tabs are engaged, slide the front panel upward enough to allow the top engaging edge of the front Follow the procedures below to install the unit properly. panel to lap over the engaging edge of the unit.
Page 51 Installation—Mechanical Cabinet Units Figure 26. Installing the trim ring assembly on horizontal recessed units Install the bottom panel by placing the hinged end on the unit’s hinged end (always at the return end of the unit). Horizontal Refer to the Dimensions and Weights chapter for keyslot recessed unit hanger hole locations.
Page 52: Duct Connections
For variable frequency drives or other energy storing components provided by Trane • When possible, construct, and orient supply ductwork or others, refer to the appropriate manufacturer’s turns in the same direction as the fan rotation.
Page 53: Coil Piping And Connections
Coil Piping and Connections Figure 27. Piping package arrangements Basic 2-way 3-way 3-way main or 2-way main or auxilliary auxilliary water valve water valve Ball valve Balancing fitting Return connection Ball valve Ball valve Supply Supply connection connection Ball valve Typical Return connection Typical coil...
Page 54: Piping Package Components
Coil Piping and Connections Piping Package Components 3. Solder the joint using bridgit lead-free solder (ASTM B32-89) to provide a watertight connection. Avoid overheating factory soldered joints when soldering Control valves are mounted in all factory piping packages. field connections to the coil to prevent leakage from All piping packages are factory installed and come in a occurring.
Page 55: Condensate Drain Connections
Coil Piping and Connections Condensate Drain Connections Figure 29. Condensate float switch installed in vertical auxiliary drain pan 1. Connect a 3/4-inch I.D. rubber or plastic hose to the auxiliary drain pan. This should be a mechanical connection that allows easy removal of the auxiliary drain pan when servicing the piping end pocket.
Page 56: External Insulating Requirements
External Insulating Requirements Insulate and vapor seal surfaces colder than surrounding air dew-point a to prevent unplanned condensation. Trane recommends field-insulation of the following areas to prevent potential condensate problems: UNT-SVX07J-EN...
Page 57: Balancing Manual Circuit Setter Valve
Coil Piping and Connections • Supply and return water piping connections 6. After achieving the proper setting, slightly loosen the two socket head cap screws and rotate the memory • Condensate drain lines and connections stop around until it touches the back side of the •...
Page 58 Coil Piping and Connections Valve and Actuator Operation Table 22. Valve stroke time (continued) End Stop Stroke Time • Two position actuators are different for normally open Valve Selection Position (Seconds) (N.O) and normally closed (N.C) and are capacitor 1/2 in. 3-way 2.7 Cv No end stop discharge return.
Page 59 This provides sufficient hydrostatic head pressure to overcome trap losses and ensure complete condensate removal. b. Trane recommends using flat and thermostatic traps because of gravity drain and continuous discharge operation. c. Use float and thermostatic traps with atmospheric...
Page 60: Installation - Electrical
NOTICE: inadvertently energized. For variable frequency drives Equipment Damage! or other energy storing components provided by Trane or others, refer to the appropriate manufacturer’s Unit transformer IT1 provides power to fan-coil unit literature for allowable waiting periods for discharge of only.
Page 61: Mca And Mop Calculations
Installation - Electrical Table 25. Maximum wiring distances for low voltage Table 29. Low vertical free discharge ECMs controls (ft) 115 Volt Unit Size Device Wire Size Range 0.22 1090 Fan Control Switch 14–22 AWG 0.22 1090 Zone Sensor 16–22 AWG 0.22 1115 Note: Actual rpm will vary with application and configuration.
Page 62 Installation - Electrical MCA = 1.25 x (heater amps + all motor FLAs) Table 33. Force-Flo single-stage, max kW electric heat MOP = (2.25 x largest motor FLA) + second motor FLA + 208/60/1 7.90 38.00 heater amps (if applicable) 240/60/1 10.50 43.80...
Page 63 Installation - Electrical Table 34. Force-Flo single stage, low kW electric heat Table 34. Force-Flo single stage, low kW electric heat 208/60/1 10.9 15.9 27.5 Unit amps/ amps/ amps/ Voltage Size Wires 240/60/1 12.5 18.8 31.3 208/60/1 277/60/1 10.9 16.3 27.1 240/60/1 208/60/3...
Page 64 Installation - Electrical Table 35. Force-Flo two-stage electric heat Table 35. Force-Flo two-stage electric heat Unit Total amps/ Voltage # Wires 1 Stage kW Total kW Unit Total amps/ Size Voltage # Wires 1 Stage kW Total kW Size 208/60/3 10.1 28.2 208/60/1...
Page 65: Ecm Overview And Setup
This literature focuses on unit motors and controls, including three new circuit modules developed specifically for this series. Figure 39. UniTrane fan-coil with Trane ECM motor • The ECM has integrated electronics, overload protection and short circuit protection. The motor contains no user-serviceable components inside.
Page 66: Velocitach Motor Control Board
Integrates a versatile configurable auxiliary The VelociTach motor control board controls and temperature sensor. reports the performance of up to two Trane brushless DC • Incorporates various safety and lockout features, such (BLDC) motors. as maintaining proper fan speeds if electric heat is called for.
Page 67: Installation And Initial Setup
Do not free spin the fan wheels with your hands while inadvertently energized. For variable frequency drives or the unit is powered on. The system is constantly other energy storing components provided by Trane or scanning and responding to the operational status of others, refer to the appropriate manufacturer’s literature the motors.
Page 68 If it is not practical to stay clear of these areas during adjustment of the motor control board, please contact Trane Global Parts for configuration kit that allows easy powering of the motor control board outside of the unit with a 9V battery.
Page 69 ECM Overview and Setup Figure 46. Operational Status Codes mtr1 RPM Mode Indicates the current rpm of Motor 1 in the system. “0” rpm → 0000 2000 here indicate that no fan speed has been requested. RUNNING/ FAN STATUS mtr2 Indicates the current rpm of Motor 2 in the system.
Page 70 ECM Overview and Setup Table 36. Button actuation levels Menu/Set Button Duration Action Short Press in <1 sec None Status Display Toggles between parameter name and value without saving Short Press in Configuration Display (abandons value if changed). Long Press/Hold >3 sec Enters the configuration menu in Status Display...
Page 71 ECM Overview and Setup Figure 49. Change value of low speed value Figure 50. Verify value of 820 rpm Example 3 Example 4 We wish to double check to see if the value of “820 rpm” We wish to change the value of a protected value on an has been saved.
Page 72: Adjustments
In addition, the CSTI adapter board offers configurability inadvertently energized. For variable frequency drives or that can be used in special cases to adjust the following other energy storing components provided by Trane or operation of the unit: others, refer to the appropriate manufacturer’s literature for allowable waiting periods for discharge of •...
Page 73 If it is not practical to stay clear of The motor control board is factory configured to drive the these areas during adjustment of the motor control unit to a minimum speed (catalogue “low speed” value), board, please contact Trane Global Parts for AlM1 AlM2 defined as once the analog (0–10V)
Page 74 Follow proper lockout/ tagout procedures to ensure the power cannot be inadvertently energized. 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.
Page 75: Configurations
BacNet™ controls (UC400-B), the Tracer® ZN controller board will serve as the Every Trane unit with ECM motors will have modules primary logic to select the electric heat only if hot specifically configured at the factory for the operation of water is not available, but the motor control board that unit.
Page 76 If it is not practical to stay clear of Figure 56. Motor control board label these areas during adjustment of the motor control board, please contact Trane Global Parts for configuration kit that allows easy powering of the motor control board outside of the unit with a 9V battery.
Page 77 ECM Overview and Setup Table 38. Configuration settings of the motor control board (for reference only) User Typical User Description on Interface Interface Unit Label Name Value Description Hi 1 1080 Mtr 1 High Spd Sets the high-speed rpm for Motor 1. Do not exceed 2300 rpm.
Page 78 ECM Overview and Setup Table 38. Configuration settings of the motor control board (for reference only) (continued) User Typical User Description on Interface Interface Unit Label Name Value Description Boosts or attenuates the analog input signal to A value of should be used if no voltage level AiSc AI Boost Amp...
Page 79 ECM Overview and Setup Fan Speed Response Verification 2. While the unit remains on, exercise the fan controls on the unit, either directly or indirectly through request for 1. After performing controller specific commissioning, unit heat/cool. Observe the fan spinning, and then observe the display on the motor control board with observe the fan display on the motor control board.
Page 80: Installation - Controls
Figure 57. Fan speed control The fan speed control is available for units that do not have Trane factory- mounted control packages. This variable fan speed option is low-voltage and has three 24-volt relays using a factory-wired transformer and relays to control the fan motor.
Page 81 Installation - Controls Figure 59. CSTI adapter board and field connections VSP 10V 1 13 12 11 10 9 8 7 6 5 4 3 2 1 VSP 0–10V Customer low-voltage VSP DC COM interface for fan speeds, variable fan speed, and 1.
Page 82 – A 10K NTC thermistor (similar to Trane part number that do not have the configurability to adapt to the X13790374010) is wired properly to the motor customer choice of valves.
Page 83 (the parameter should be set determined if: for CSTI units). – A 10K NTC thermistor (similar to Trane part number X13790374010) is wired properly to the motor control board, through the crossover cables and CSTI adapter boards.
Page 84: Installation - Controllers
BAS is not present. • For situations when a non-Trane BAS is present, the Tracer® ZN520 can be used as an inter-operable unit controller. Tracer® ZN510 controller can be used as either a stand- alone or communicating microprocessor controller.
Page 85: Tracer® Uc400-B Controller
Tracer® SC or Tracer® installing communication wire. Summit building automation system (BAS). Reference the • LonTalk is not polarity sensitive. Trane recommends unit wiring diagram or submittals. that the installer keep polarity consistent throughout Ground shields at each Tracer® ZN510 and ZN520, taping the site.
Page 86 Installation - Controllers of cooling or heating. The zone sensor module is capable 4. Tug on the wires after tightening the screws to ensure of transmitting the following information to the controller: all wires are secure as shown on the right. •...
Page 87: Power Supply
1 2 3 4 1 2 3 4 24VDC 24VDC 24VDC BACnet 1 2 3 4 BACnet BACnet 1 2 3 4 1 2 3 4 Trane BACnet Terminator Tracer SC UC400-B UC400-B UC400-B Zone Sensor Zone Sensor Zone Sensor Power Supply Please read all of the warnings, cautions, and notices below before proceeding with this section.
Page 88 Installation - Controllers Connecting Wires Important: If the polarity is inadvertently reversed between two controllers powered by the same transformer, a difference of 24Vac will Figure 68. Grounding the controller occur between the grounds of each controller, which can result in: •...
Page 89: Air-Fi® Wireless Communications System
Quantity of WCIs per Network Air-Fi® Wireless Communications Sensor Each Trane wireless network can have a total of 31 WCIs (WCS) (30 member WCIs plus one coordinator WCI). Each network requires one WCI to function as network coordinator.
Page 90: Specifications
Wireless Zone Sensors evaluation. Placement of WCI is critical to proper system operation. In most general office space The WCI also communicates with Trane wireless zone installations, distance is not the limiting factor for sensors, eliminating the need for analog receivers.
Page 91: Zone Sensor Options
Zone Sensor Options Control sensor options include both unit-mounted communicate with a building automation system ® (factory-installed) and wall-mounted sensors. Tracer using LonTalk Communication controller options available for the zone sensors are: • Tracer® UC400-B delivers single zone VAV control in a •...
Page 92: Zone Sensor Installation
Zone Sensor Options Figure 76. Split-mounted zone Figure 77. Wall-mounted wireless sensor, unit-mounted fan zone sensor (WZS) with Figure 75. Wall-mounted temperature speed control, wall- setpoint adjustment, sensor (SP , OCC/UNOCC, mounted temperature (OCC/UNOCC) no fan OALMH, COMM) sensor (SP , OCC/UNOCC, speed adjustment, and COMM) unit-mounted receiver...
Page 93 Zone Sensor Options • Usable range: 200 ft Figure 80. Wall-mounted wired and wireless zone • Typical range: 75 ft sensor dimensions Height Requirements TYP R.07 in. (R1.9) It is recommended that you mount the back plate a 0.31 in. maximum distance of 54 inches above the floor.
Page 94 Zone Sensor Options Figure 81. Mounting zone sensor base plate Figure 82. Mounting zone sensor security screw Security screw Wireless Zone Sensors 4. To install the zone sensor module to a standard 1. Note the position of the setpoint adjustment knob and junction box: gently pry the adjustment knob from the cover using a.
Page 95: Zone Sensor Settings
Zone Sensor Options To set the receiver and sensor addresses: Figure 83. Retention tabs on underside of receiver 1. Using a small screwdriver, set the three rotary address enclosure switches (locations S1, S2, S3) on the receiver to an address between 001 and 999 (see the figure below). You do not have to remove the covers to access the rotary address switches.
Page 96 Zone Sensor Options Figure 86. Receiver conducts 20 second channel scan Figure 88. Power sensor by removing insulation strip Sec. After the channel scan is finished, LED3 begins blinking Association is automatically initiated between the sensor (one-blink pattern) to show that the receiver is ready to be and the receiver.
Page 97: Sensor Operations
Zone Sensor Options Sensor Operations Figure 89. Wireless Zone Sensor (WZS) with LED lights to test for battery strength Temporary Occupancy (Timed Override) Temporary occupancy (timed override) is available on model WDS. Temporary occupancy is selected for after- business-hours adjustment of temperature setting, fan settings, or heat/cool settings, when the system has changed to unoccupied mode.
Page 98: Wireless Sensor Specifications
Zone Sensor Options Transmission Variables • LED3 flashes On every 2 seconds when it is ready to accept a sensor association request. When an Sensor transmission time variables are as follows: association request is made by a sensor, the receiver instructs the sensor on which power level to operate.
Page 99: Agency Compliance
Zone Sensor Options Agency Compliance Table 41. Agency compliance information for wireless sensors Agency Compliance UL listed: UL 94-5VA Flammability rating UL 916: Energy management equipment FCC CFR47, Section 15.247 & Subpart E Digital Modulation Transmission with no SAR (FCC Identification TFP- 13651127) This device complies with Part 15 of the FCC Rules.
Page 100 Zone Sensor Options 2. Press the center button on the keypad to begin the • Press to scroll to the next selection (as configuration process. illustrated). • Press to move to the next menu (as illustrated in the table below). Figure 93.
Page 101 Zone Sensor Options Displaying Setpoint or Temperature Figure 95. Locking and unlocking settings You can configure the sensor to display either the temperature (default) or setpoint. To select either option: 1. Verify that the sensor is in operating mode and at the home screen.
Page 102: Error Codes
Press the Test button to display the battery status symbols. speeds. Use only UL-listed non-rechargeable 1.5 V lithium AA Indicates that the batteries (Trane p/n X13770035010 or equivalent). fan setting is Off. UNT-SVX07J-EN...
Page 103: Startup
It is recommended that the services of a qualified inadvertently energized. For variable frequency drives water treatment specialist be engaged to determine or other energy storing components provided by Trane what water treatment, if any, is required. Trane or others, refer to the appropriate manufacturer’s...
Page 104: Unit Startup
Startup Unit Startup cooling mode, the fan cycles from off to medium and in heating mode it cycles from off to low. When no heating or cooling is required, the fan is off and the fresh air damper Tracer® ZN010/ZN510 Controllers option closes.
Page 105 Startup Binary Inputs Table 46. Analog inputs BIP1: Low Temperature Detection Option Analog Input Description Application The factory hard wires the low temperature detection Space Space temperature detection / Zone sensor to binary input #1 (BIP1). The sensor defaults temperature timed override detection normally closed (N.C.), and will trip off the unit on a low Local setpoint...
Page 106: Tracer® Zn520 Controllers
Startup The fan runs continuous when placed in the high, medium, The appropriate control valve will actuate assuming the or low position. Use Rover, Trane’s installation and service following conditions: tool, to change auto defaults. • Room temperature should be greater than 55°F and When the heating output is controlled off, the controller less than 85°F .
Page 107 On button on When the controller is in the unoccupied mode, the the Trane zone sensor. controller attempts to maintain the space temperature at When the controller is in unoccupied mode, you can press...
Page 108: Heating Operation
Startup Cooling Operation Discharge Air Tempering The discharge air tempering function enables when cold The heating and cooling setpoint high and low limits are outdoor air is brought in through the outdoor air damper, always applied to the occupied and occupied standby causing the discharge air to fall below the discharge air setpoints.
Page 109: Fan Mode Operation
Startup The economizer outdoor air damper is never used as a Table 51. Fan operation in heating and cooling modes source of heating. Instead, the economizer damper (when Heating Cooling present) is only used for ventilation; therefore, the damper Mode Occupied Unoccupied Occupied Unoccupied...
Page 110 Startup Water Temperature Sampling Function Electric Heat Operation Only units using the main hydronic coil for both heating The Tracer® ZN520 controller supports one or two-stage and cooling (2-pipe changeover and 4-pipe changeover electric heat operation for heating. To control the space units) use the entering water temperature sampling temperature, electric heat is cycled to control the function.
Page 111 Startup Table 53. Relationship between outdoor temperature sensors and damper position Outdoor Modulating Outdoor Air Damper Air Temp. Occupied or Occupied Bypass Occupied Standby Unoccupied None or invalid Open to occupied minimum position Open to occupied standby minimum position Closed Failed Open to occupied minimum position Open to occupied standby minimum position...
Page 112 Startup Binary Outputs Table 56. Analog inputs (Tracer® ZN520) Binary outputs are configured to support the following Terminal (see the table below): Description Function Range Space • Three fan stages (when one or two fan stages are Zone TB3-1 5°F to 122°F temperature input present, medium fan speed can be configured as Ground...
Page 113 Space Temperature Measurement wired setpoint is used with the controller’s occupancy mode (occupied, occupied standby, or unoccupied), the Trane zone sensors use a 10kΩ thermistor to measure the heating or cooling mode, the temperature deadband space temperature. Typically, zone sensors are wall-...
Page 114: Tracer® Uc400-B Controller
• Cooling setpoint low limit controllers and a building automation system. Communication also is possible via Rover, Trane’s service These setpoint limits only apply to the occupied and tool. Peer-to-peer communication across controllers is occupied standby heating and cooling setpoints. These...
Page 115: Sequence Of Operation
The state of the local (hard wired) occupancy binary settings to prevent freeze damage to unit. input BI1. UC400-B Operation • A timed override request from a Trane zone sensor (see “Timed Override Control, ” p. 116). Controller • A communicated signal from either a Tracer® SC or Off - Fan is off;...
Page 116 CANCEL Important: This is not a normal operating mode. The button is pressed on the Trane zone sensor or the occupied source of the invalid zone temperature bypass time expires.
Page 117: Fan Operation
Startup Discharge Air Tempering greater than 5°F (2.8°C) below a valid zone temperature value for hydronic cooling, the sampling function is If the controller is in cooling mode, cascade zone control enabled. When the sampling function is enabled, the initiates a discharge air tempering function when: controller opens the main hydronic valve to allow the water temperature to stabilize.
Page 118 Startup AUTO mode. In AUTO mode, the fan operates according • If the exhaust fan/damper enable setpoint is less than to the fan default (configurable using the Tracer® TU 10 percent, the exhaust output is energized if the service tool). The fan speed has multiple speed outdoor air damper position is at the setpoint and de- configurations (default is AUTO) or set to OFF for both energized at 0.
Page 119 Startup • Occupancy mode speed fan operation. A controller can receive a BAS- communicated outdoor air damper minimum position. • Outdoor air temperature (communicated or hard wired sensor) A BAS-communicated minimum position setpoint has priority over all locally configured setpoints. When a •...
Page 120 Startup In staged electric heat applications, the simultaneous use diagnostic within a 24-hour period, the unit will be locked of electric and hydronic heat is not supported and the out until it is manually reset. controller will operate electric heat only when hot water is Note: Freeze protection will also perform a smart reset.
Page 121 Startup Freeze Protection (Discharge Air Temperature Setpoint (configurable using the Tracer® TU service tool) is used to set the amount of time until maintenance Low Limit) (typically, a filter change) is required. The timer can be The controller monitors the discharge air temperature enabled/disabled from the Supply Fan group on the with a 10 kΩ...
Page 122: Routine Maintenance
Routine Maintenance WARNING WARNING Hazardous Service Procedures! Live Electrical Components! The maintenance and troubleshooting procedures During installation, testing, servicing and recommended in this manual could result in exposure troubleshooting of this product, it may be necessary to to electrical, mechanical or other potential safety work with live electrical components.
Page 123: Coils
Coil cleaning agents can be either acidic or highly Trane recommends flushing the coil with glycol if coils will alkaline and can burn severely if contact with skin be exposed to temperatures below 35 degrees.
Page 124 Routine Maintenance Cleaning Non-Porous Surfaces To winterize coils: 1. Remove the vent and drain plugs. 2. Blow the coil out as completely as possible with WARNING compressed air. Hazardous Voltage! 3. Fill and drain the coil several times with full strength Disconnect all electric power, including remote glycol so that it mixes thoroughly with the water disconnects before servicing.
Page 125: Control Device Replacement
Trane Service Parts Center. To order, the Trane parts center will need the unit model number (which can be found on the unit nameplate), the serial number, and the part name or ID.
Page 126 Routine Maintenance Cleaning Drain Pan 4. Slide the pan horizontally towards the end of the large groove of the mounting slots in the chassis end panel and remove pan from unit (see the figure below). WARNING Figure 102. Insert the auxiliary drain pan tabs into slots Hazardous Chemicals! Coil cleaning agents can be either acidic or highly alkaline and can burn severely if contact with skin...
Page 127: Fans
3. Vacuum the section with a vacuum device that uses inadvertently energized. For variable frequency drives or other energy storing components provided by Trane high-efficiency particulate arrestance (HEPA) filters or others, refer to the appropriate manufacturer’s with a minimum efficiency of 99.97 percent at...
Page 128 Routine Maintenance Replacing Motors remove or secure the wiring before removing fan board. NOTICE: • Fan board attachment screws are located on the front Heavy Object! left and right edges of fan boards, and may be concealed by gasketing. Support the fan board when removing it from the unit. Failure to properly support fan board may result in Figure 105.
Page 129 Follow proper lockout tagout procedures to ensure the power cannot be inadvertently energized. 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.
Page 130: Diagnostics And Troubleshooting
Diagnostics and Troubleshooting This section is intended to be used as a diagnostic aid only. For detailed repair procedures, contact your local Trane service representative. WARNING Hazardous Service Procedures! The maintenance and troubleshooting procedures recommended in this manual could result in exposure to electrical, mechanical or other potential safety hazards.
Page 131: Wireless Zone Sensors (Wzs)
Diagnostics and Troubleshooting Table 62. Fan coil and cabinet heater troubleshooting recommendations Symptom Probable Cause Recommended Action Missing filters Replace filters Excess dirt in unit Filter bypass Reduce filter bypass by ensuring all blockoffs are in place. Microbial growth (mold) inside air Standing water in drain pan See “Standing water in drain pan”...
Page 132 Diagnostics and Troubleshooting Receiver Diagnostics Figure 110. WDS shows test symbols and error codes LED1, LED2, and LED3, located on the receiver of all models respond to diagnostics by exhibiting specific blinking patterns. They respond independently of any user action (see the table below). Test symbols Error code Test button...
Page 133 Diagnostics and Troubleshooting Testing Signal Strength • Models WZS: LED1, LED2, and LED3 respond by indicating signal strength. You can view them on the To initiate a signal strength test, push the Test button on sensor and the receiver (tables below). the sensor (see location of Test button in Figure 109 •...
Page 134 Replacement batteries are available at display on model WDS (see Figure 110 , page 132). Trane Service Parts Centers (p/n X13770035010) or other For more information on interpreting the LEDs and the local suppliers. display symbols that indicate signal strength, see “Testing...
Page 135 Diagnostics and Troubleshooting Note: If lithium batteries are temporarily unavailable, 4. After verifying that the receiver and sensor are alkaline batteries can be used. However, alkaline powered up, press the Test button on the sensor to battery life is very short by comparison. establish that the signal strength (“Testing Signal Strength, ”...
Page 136: Servicing/Testing Wireless Zone Sensors
Diagnostics and Troubleshooting Servicing/Testing Wireless Zone Procedure for Testing Receiver Sensors If the receiver is not working as expected: 1. Verify that the receiver is powered. If the wireless sensor system is not working as expected, 2. Set the receiver address to 000 to force the zone use the tools and procedure described in this section.
Page 137: Zn010, Zn510, And Zn520 Controllers
Diagnostics and Troubleshooting Measuring Output Resistance b. WDS only: Measure between the grounded GND- SIGNAL (black) wire and the FAN/SYSTEM (green) To measure the resistance of receiver outputs for zone wire. Compare resistance measurements to those temperature and setpoints for all models, and heating given in the table below.
Page 138 Diagnostics and Troubleshooting Red Service LED The red LED normally indicates if the • Verify output wiring and operation without using unit controller is operating properly or not. Refer to the Rover, service tool table below. Table 74. Red service LED activity for Tracer® ZN010, •...
Page 139 Diagnostics and Troubleshooting Table 76. Tracer® ZN520 test sequence Main Electric Heat or Fresh Air Valve Aux. Valve Damper Generic/Baseboard Heat Step J1-1 J1-2 J1-3 J1-5 J1-6 J1-9 J1-10 J1-11 J1-12 TB4-1 aux: on EH: off Fan high High Fan low Main open High Main close, EH1 on...
Page 140 Diagnostics and Troubleshooting Test Button Cycling Power You can use the Test button on the controller either during When someone turns off the controller’s 24 Vac power, installation to verify proper end device operation or during then re-applies power, the unit cycles through a power up troubleshooting.
Page 141 Diagnostics and Troubleshooting Building Automation System Trane Service Tools Some building automation systems can reset diagnostics Rover, Trane’s service tool for the controller, can reset ® in the Tracer ZN510 and ZN520 controllers. For more diagnostics present in the controller. For complete...
Page 142 Diagnostics and Troubleshooting Valves with ZN010, ZN510, or ZN520 Controllers Table 80. Valves remain closed Probable Cause Explanation Normal operation The controller opens and closes the valves to meet the unit capacity requirements. It is possible to communicate the operating mode (such as off, heat, and cool) to the controller. When off is Requested mode: off communicated to the controller, the unit controls the fan to off.
Page 143: Tracer® Uc400-B Controller
Diagnostics and Troubleshooting Electric Heat with ZN010, ZN510, or ZN520 Controllers Table 82. Electric heat not operating Probable Cause Explanation Hot water is present on a On units with changeover coil and electric heat, simultaneous operation of hydronic heat and electric heat is not changeover unit allowed.
Page 144 Diagnostics and Troubleshooting Table 85. LED activity and troubleshooting tips for Tracer® UC400-B controller LED Name Activities Indication and Troubleshooting Tips Notes Shows solid green when the unit is Indicates normal operation powered and no alarm exists Shows blinking green during a device reset or Indicates normal operation firmware...
Page 145 • Informational diagnostics Trane Service Tools Note: Clearing diagnostics refers to deleting diagnostics Tracer® TU can be used to reset diagnostics present in a from the software; it does not affect the problem Tracer®...
Page 146 Diagnostics and Troubleshooting Table 86. Diagnostics generated by UC400-B controller (continued) Diagnostic Probable Cause Consequences Diagnostic Type • Fan Unaffected (enabled) Entering water temp Invalid or missing value for zone • Valves Unaffected Automatic failure temperature. • Outdoor air damper Unaffected •...
Page 147 Diagnostics and Troubleshooting Fans with UC400-B Controller Table 87. Fan does not energize Probable Cause Explanation The wiring between the controller outputs and the fan relays and contacts must be present and correct for normal Unit wiring fan operation. Refer to applicable wiring diagram. Failed end device The fan motor and relay must be checked to ensure proper operation.
Page 148 Diagnostics and Troubleshooting Table 89. Valves remain open Probable Cause Explanation The wiring between the controller outputs and the valve(s) must be present and correct for normal valve operation. Unit wiring Refer to applicable wiring diagram. Failed end device The valves must be checked to ensure proper operations. Normal operation The controller opens and closes the valves to meet the unit capacity requirements.
Page 149 Diagnostics and Troubleshooting Outdoor Air Dampers with UC400-B Controller Table 91. Outdoor air damper remains closed Probable Cause Explanation The wiring between the controller outputs and the outdoor air damper must be present and correct for normal Unit wiring outdoor air damper operation. Refer to applicable wiring diagram. Failed end device Check damper actuator to ensure proper operation.
Page 150: Ecm Motors
– If two or more commands are received (direct or inadvertently energized. For variable frequency drives indirect), the fan will honor the higher speed or other energy storing components provided by Trane or others, refer to the appropriate manufacturer’s requested.
Page 151 Diagnostics and Troubleshooting Motor When configured correctly, the system will always respond positively to direct, indirect, and conflicting speed The motor connections and motor plug connections to the requests with very few exceptions. adapter boards should be secure. Unit should be powered off to check the fit of the connectors.
Page 152 If it is not practical to stay clear of these Disconnect all electric power, including remote areas during adjustment, please contact Trane Global disconnects and discharge all motor start/run Parts for configuration kit that allows easy powering of capacitors before servicing.
Page 153 Diagnostics and Troubleshooting • Unit fan assemblies contain concealed wires that Figure 112. Remove PCB should be removed before the fan-board is removed, to avoid nicking the wire. • Care should 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 to the left side, and will be designated as Motor 2 by the controller.
Page 154 Diagnostics and Troubleshooting Performance Boundaries Figure 114. Ensure CSTI adapter board switches are set While the speeds of the fan motors can be adjusted, never correctly program a fan speed higher than 1700 rpm, or lower than 450 rpm. In many cases, units configured for high-static operation will not achieve the desired rpm if the ESP of the unit is too low, or the unit is allowed to “free-discharge.
Page 155 Diagnostics and Troubleshooting Troubleshooting Other Unit Functions In some cases, the normal or abnormal operation of the ECM may interact with other components in the system. Generally, verification of the engine and adapter boards’ wiring and configuration should be checked if there are unexplained abnormalities in other areas of the unit: •...
Page 156: Wiring Diagrams
Wiring Diagrams Table 95. Typical wiring diagram for ZN010 unit with single stage electric heat and unit mounted zone sensor 230/60/1 1U2 / 1U3 ADAPTER BOARD / ECM ENGINE 28 / 44 SPLICE SPLICE 1K4,5 ELECTRIC HEAT RELAY SPLICE 30 AMP MAIN BOARD - ZNX10 1A(BLK) 2AB(BLK)
Page 157 Wiring Diagrams Table 96. Typical wiring diagram for UC400-B unit with dual stage electric heat and damper actuator UNT-SVX07J-EN...
Page 158 Wiring Diagrams Table 97. Typical wiring diagram for CSTI unit with 3-phase single-stage electric heat 208V/60/3 1U2 / 1U3 ADAPTER BOARD / ECM ENGINE 28 / 44 ELECTRIC HEAT RELAY SPLICE SPLICE 25 25 ATTACH 1TB1 TRANSFORMER GROUND DAMPER ACTUATOR 5HR1 5HR2 5S5-7...
Page 159 Wiring Diagrams Table 98. Typical wiring diagram ZN520 unit with 3-phase dual-stage electric heat and wireless zone sensor receiver UNT-SVX07J-EN...
Page 160 Wiring Diagrams Table 99. Typical wiring diagram for Tracer® ZN520 unit with four-pipe configuration, condensate overflow switch, and wall-mounted zone sensor UNT-SVX07J-EN...
Page 161 Wiring Diagrams Table 100. Typical wiring diagram for Tracer® ZN510 unit with four-pipe configuration and split zone sensor/unit fan switch configuration Legend Device Line Description Designation Number 1U2/1U3 Adapter Board/ECM Engine 28/44 Main Board - ZNX10 Transformer Disconnect Switch Fan Switch Main Coil Valve Heating Coil Valve Zone Sensor Module...
Page 162 Wiring Diagrams Table 101. Typical wiring for UC400-B controller with WCI UNT-SVX07J-EN...
Page 164 Our people and our family of brands—including Club Car®, Ingersoll Rand®, Thermo King® and Trane®—work together to enhance the quality and comfort of air in homes and buildings; transport and protect food and perishables; and increase industrial productivity and efficiency. We are a global business committed to a world of sustainable progress and enduring results.

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ECM Overview and Setup

Installation - Controls

Installation - Controllers

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