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Trane UNT-SVX07A-EN manuel d'utilisation

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Table des matières du manuel d’utilisation

  • Page 1

    UNT -SVX07A-EN Installation, Operation, and Maintenance UniT rane 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[...]

  • Page 2

    © 2005 American Standard Inc. UNT -SVX07A-EN About This Manual Literature Change History Use this manual for UniT rane fan-coils and Force Flo cabinet heaters. This is the seventh revision of this manual. It provides specific installation, operation, and maintenance instructions for “ZO” and later design sequences for all models except low ver[...]

  • Page 3

    UNT -SVX07A-EN 3 contents Cross reference to related publications/information for UniT rane™ fan-coil & Force Flo™ equipment: • Rover ™ Installation, Operation and Programming Guide, EMTX-SVX01D-EN • T racer ™ ZN510 Unit Controller , CNT -IOP-1 • T racer ™ ZN520 Unit Controller , CNT -SVX04A-EN • UniT rane ™ Fan-Coil Catalog[...]

  • Page 4

    4 UNT -SVX07A-EN Figure I-GI-1. UniT rane fan-coil unit components. V er tical cabinet model is shown. General UniT rane fan-coil and Force Flo units are intended for single zone applications. These units have load capabilities of 200 to 1200 cfm. See Figure I-GI-1 for unit components. Fan-coil units are available as two-pipe, with or without elect[...]

  • Page 5

    UNT -SVX07A-EN 5 Installation general information 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 1 5 10 15 2 0 25 30 35 40 4 4 Digits 1, 2 — unit type FC = fan-coil FF = force flo Digit 3 — cabinet type A = vertical concealed B = vertical cabinet C = horizontal concealed D = horizontal cabinet E = horizontal reces[...]

  • Page 6

    6 UNT -SVX07A-EN J = 2-way , modulating, 0.7 Cv (50 psig)* K = 3-way , modulating, 0.7 Cv (50 psig)* L = 2-way , modulating, 1.1 Cv (60 psig)* M = 3-way , modulating, 1.1 Cv (60 psig)* N = 2-way , modulating, 2.3 Cv (60 psig)* P = 3-way , modulating, 2.7 Cv (60 psig)* Q = 2-way , modulating, 3.3 Cv (60 psig)* R = 3-way , modulating, 3.8 Cv (60 psig[...]

  • Page 7

    UNT -SVX07A-EN 7 Installation general information T able I-GI-1. Fan-coil component data unit size 02 03 04 06 08 10 12 Coil Data Face Area — Ft 2 (cm 2 ) 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) (38x4x20) (51x4x20[...]

  • Page 8

    8 UNT -SVX07A-EN Installation general information A vailable Models model A vertical concealed model B vertical cabinet model C horizontal concealed model D horizontal cabinet model E horizontal recessed model F wall hung cabinet model L low vertical concealed model K low vertical cabinet model J slope-top cabinet model H vertical recessed model M [...]

  • Page 9

    UNT -SVX07A-EN 9 Installation general 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.[...]

  • Page 10

    10 UNT -SVX07A-EN Installation dimensions & weights V ertical Concealed Unit Dimensions & weights, in-lbs. Unit Size 02-03 04 06 08 10-12 A 2’-8 11 / 16 ” 3’-1 11 / 16 ” 3’-11 3 / 16 ” 4’-7 11 / 16 ” 6’-2 11 / 16 ” B 1’-9 5 / 16 ” 2’-2 5 / 16 ” 2’-11 13 / 16 ” 3’-8 5 / 16 ” 5’-3 5 / 16 ” C 1’-10 13 [...]

  • Page 11

    UNT -SVX07A-EN 11 Installation dimensions & weights V ertical Cabinet Unit Dimensions, in-lbs. unit size 02-03 04 06 08 10-12 A 2’-9 5 / 16 ” 3’-2 5 / 16 ” 3’-11 3 / 16 ” 4’-8 5 / 16 ” 6’-3 5 / 16 ” B 1’-9 5 / 16 ” 2’-2 5 / 16 ” 2’-11 3 / 16 ” 3’-8 5 / 16 ” 5’-3 5 / 16 ” C7 5 / 8 ”7 1 / 8 ”8 7 / 8 ”[...]

  • Page 12

    12 UNT -SVX07A-EN Installation dimensions & weights Horizontal Concealed Unit Dimensions, in-lbs. unit size 02-03 04 06 0 8 10-12 A 2’-8 11 / 16 ” 3’-1 11 / 16 ” 3’-11 3 / 16 ” 4’-7 11 / 16 ” 6’-2 11 / 16 ” B 1’-9 5 / 16 ” 2’-2 5 / 16 ” 2’-11 13 / 16 ” 3’-8 5 / 16 ” 5’-3 5 / 16 ” C 1’-10 13 / 16 ” 2?[...]

  • Page 13

    UNT -SVX07A-EN 13 Installation dimensions & weights Horizontal Cabinet Unit Dimensions, in-lbs. unit size 02-03 04 0 6 08 10-12 A 2’-9 5 / 16 ” 3’-2 5 / 16 ” 3’-11 3 / 16 ” 4’-8 5 / 16 ” 6’-3 5 / 16 ” B 1’-9 5 / 16 ” 2’-2 5 / 16 ” 2’-11 13 / 16 ” 3’-8 5 / 16 ” 5’-3 5 / 16 ” C7 5 / 8 ”7 1 / 8 ”8 7 / 8 [...]

  • Page 14

    14 UNT -SVX07A-EN Installation dimensions & weights Horizontal Recessed Unit Dimensions, in-lbs. unit size 02-03 04 06 08 10-12 A 2’-11 13 / 16 ” 3’-4 13 / 16 ” 4’-2 5 / 16 ” 4’-10 13 / 16 ” 6’-5 13 / 16 ” B 1’-9 5 / 16 ” 2’-2 5 / 16 ” 2’-11 13 / 16 ” 3’-8 5 / 16 ” 5’-3 5 / 16 ” C 1’-10 13 / 16 ” 2’[...]

  • Page 15

    UNT -SVX07A-EN 15 Installation dimensions & weights V ertical wall hung cabinet unit dimensions & weights, in-lbs. unit size 02-03 04 06 08 10-12 A 2’-9 5 / 16 ” 3’-2 5 / 16 ” 3’-11 13 / 16 ” 4’-8 5 / 16 ” 6’-3 5 / 16 ” B 1’-9 5 / 16 ” 2’-2 5 / 16 ” 2’-11 13 / 16 ” 3’-8 5 / 16 ” 5’-3 5 / 16 ” C7 5 / 8[...]

  • Page 16

    16 UNT -SVX07A-EN Installation dimensions & weights V e rtical Recessed Unit Dimensions, in-lbs. unit size 02-03 04 06 08 10-12 A 2’-8 11 / 16 ” 3’-1 11 / 16 ” 3’-11 3 / 16 ” 4’-7 11 / 16 ” 6’-2 11 / 16 ” B 1’-9 5 / 16 ” 2’-2 5 / 16 ” 2’-11 13 / 16 ” 3’-8 5 / 16 ” 5’-3 5 / 16 ” C 1’-10 13 / 16 ” 2’-[...]

  • Page 17

    UNT -SVX07A-EN 17 Installation dimensions & weights V ertical Slope T op, Model J V ertical Slope T op Unit Dimensions, in-lbs. unit size 02-03 04 06 0 8 10-12 A 2’-9 5 / 16 ” 3’-2 5 / 16 ” 3’-11 13 / 16 ” 4’-8 5 / 16 ” 6’-3 5 / 16 ” B 1’-9 5 / 16 ” 2’-2 5 / 16 ” 2’-11 13 / 16 ” 3’-8 5 / 16 ” 5’-3 5 / 16 ?[...]

  • Page 18

    18 UNT -SVX07A-EN Installation dimensions & weights Low V er tical Concealed Unit Dimensions, in-lbs. unit size 03 04 06 A 3’-5 7 / 16 ” 4’-2 15 / 16 ” 4’-11 7 / 16 ” B 2’-2 1 / 4 ” 2’-11 3 / 4 ” 3’-8 1 / 4 ” C 2’-3 15 / 16 ” 3’-0 13 / 16 ” 3’-9 15 / 16 ” D 1’-10 5 / 16 ” 2’-7 13 / 16 ” 3’-4 5 / 16 [...]

  • Page 19

    UNT -SVX07A-EN 19 Installation dimensions & weights Low V er tical Cabinet Unit Dimensions, in-lbs. unit size 03 04 06 A 3’-10 15 / 16 ” 4’-8 7 / 16 ” 5’-4 15 / 16 ” B 2’-2 1 / 4 ” 2’-11 3 / 4 ” 3’-8 1 / 4 ” C 11 7 / 16 ” 1’-1 5 / 16 ” 11 7 / 16 ” D 2’-0” 2’-6” 3’-6” E 2’-0 1 / 4 ” 2’-9 3 / 4 ?[...]

  • Page 20

    20 UNT -SVX07A-EN Installation dimensions & weights Inverted V e rtical Cabinet, Model M Inverted vertical cabinet unit dimensions & weights, in-lbs. unit size 02-03 04 06 08 10-12 A 2’-9 5 / 16 ” 3’-2 5 / 16 ” 3’-11 13 / 16 ” 4’-8 5 / 16 ” 6’-3 5 / 16 ” B 1’-9 5 / 16 ” 2’-2 5 / 16 ” 2’-11 13 / 16 ” 3’-8 5 [...]

  • Page 21

    UNT -SVX07A-EN 21 Installation dimensions & weights Inverted V e rtical Recessed, Model N Inverted vertical recessed unit dimensions & weights, in-lbs. unit size 02-03 04 06 0 8 10-12 A 2’-3 7 / 8 ” 2’-8 7 / 8 ” 3’-6 3 / 8 ” 4’-2 7 / 8 ” 5’-9 7 / 8 ” B 1’-9 5 / 16 ” 2’-2 5 / 16 ” 2’-11 13 / 16 ” 3’-8 5 / 16[...]

  • Page 22

    22 UNT -SVX07A-EN Fan-Coil Coil Connections V ertical Units Fan-Coil Coil Connections Horizontal Units Installation dimensions & weights[...]

  • Page 23

    UNT -SVX07A-EN 23 Installation dimensions & weights Force Flo Coil Connections, V ertical Units Force Flo Coil Connections, Horizontal Units HR - Hot Water Return HS - Hot Water Supply Force Flo Coil Connections, Inverted Units[...]

  • Page 24

    24 UNT -SVX07A-EN Installation dimensions & weights Fresh Air Opening Locations Horizontal Units Models C, D, and E Fresh Air Opening Dimensions, Horizontal Units Unit Size 02-03 04 06 08 10-12 A 1’-6” 1’-11” 2’-8 1 / 2 ” 3’-5” 5’-0” B 1’-9 5 / 16 ” 2’-2 5 / 16 ” 2’-11 13 / 16 ” 3’-8 5 / 16 ” 5’-3 5 / 16 ?[...]

  • Page 25

    UNT -SVX07A-EN 25 Installation dimensions & weights Fresh Air Opening Locations V ertical Units Models A, B, F , & J Fresh Air Opening Dimensions, V ertical Units Unit Size 02-03 04 06 08 10-12 A 1’-6” 1’-11” 2’-8 1 / 2 ” 3’-5” 5’-0” B 1’-9 5 / 16 ” 2’-2 5 / 16 ” 2’-11 13 / 16 ” 3’-8 5 / 16 ” 5’-3 5 / 1[...]

  • Page 26

    26 UNT -SVX07A-EN Installation dimensions & weights Wall Box Dimensions Unit Size Di mensions Internal Ref. Only A x B Supports 02 - 03 24 3 / 8 x 4 3 / 4 1 04 24 3 / 8 x 7 1 / 2 1 06 33 1 / 8 x 7 1 / 2 2 08 37 1 / 2 x 7 1 / 2 3 10 -12 58 1 / 4 x 7 1 / 2 4 CLEARANCE FOR DRAINAGE CONTINUOUS MOR T AR RIBS TOP AND BOTTOM WOVEN ALUMINUM INSECT SCRE[...]

  • Page 27

    UNT -SVX07A-EN 27 Installation dimensions & weights Projection Panel, All Unit Sizes C2 ” 2 1 / 2 ”3 ” 3 1 / 2 ”4 ” 4 1 / 2 ”5 ” 5 1 / 2 ”6 ” D1 1 / 8 “1 5 / 8 “2 1 / 8 “2 5 / 8 “3 1 / 8 “3 5 / 8 “4 1 / 8 “4 5 / 8 “5 1 / 8 “ E8 5 / 8 “8 1 / 8 “7 5 / 8 “7 1 / 8 “6 5 / 8 “6 1 / 8 “5 5 / 8 “5 1 / 8[...]

  • Page 28

    28 UNT -SVX07A-EN Installation pre-installation considerations WARNING Hazardous V oltage w/Capacitors! Disconnect all electric power , including remote disconnects and discharge all motor start/run capacitors before servicing. Follow proper lockout/ tagout procedures to ensure the power cannot be inadvertently energized. For variable frequency dri[...]

  • Page 29

    UNT -SVX07A-EN 29 pre-installation considerations Installation Service Access 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 allow access into the unit. See Figure I-PC-1 for recommended service and operating clearances. Units [...]

  • Page 30

    30 UNT -SVX07A-EN mechanical requirements Installation Duct Connections Install all air ducts according to National Fire Protection Association standards for the Installation of Air Conditioning and V entilating Systems (NFP A 90A and 90B). Install all air ducts according to the National Fire Protection Association standards for the “Installation[...]

  • Page 31

    UNT -SVX07A-EN 31 Water Piping Connections to Factory- Installed Piping Package Before installing water piping supply and return lines to factory piping package, note the following items. • All piping connections are 5 / 8 -inch O.D. ( 1 / 2 -inch nominal) female copper connections. • The fan-coil supply and return piping should not interfere w[...]

  • Page 32

    32 UNT -SVX07A-EN mechanical requirements Installation External Insulating Requirements Insulate and vapor seal surfaces colder than surrounding air dew-point a to prevent unplanned condensation. T rane recommends field-insulation of the following areas to prevent potential condensate problems: 1. Supply and return water piping connections 2. Conde[...]

  • Page 33

    UNT -SVX07A-EN 33 mechanical requirements Installation Balancing The Manual Circuit Setter V alve The manual circuit setter valve is an optional end valve supplied on the return pipe of the factory piping package. The valve allows the operator to regulate water flow through the hydronic coil, balance the water flow through the unit with other units[...]

  • Page 34

    34 UNT -SVX07A-EN 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[...]

  • Page 35

    UNT -SVX07A-EN 35 mechanical requirements Installation Steam Piping CAUTION Coil Damage! In all steam coil installations, the condensate return connections must be at the low point of the coil to ensure condensate flows freely from the coil at all times. Failure to do so may cause physical coil damage from water hammer , unequal thermal stresses,fr[...]

  • Page 36

    36 UNT -SVX07A-EN electrical requirements Installation Unit Wiring Diagrams Specific unit wiring diagrams are provided inside each unit and can be easily removed for reference.Use these diagrams for connections or trouble analysis. Wiring diagrams are attached on the inside of the front panel of vertical cabinet & recessed models and on the fan[...]

  • Page 37

    UNT -SVX07A-EN 37 electrical requirements Installation T able I-ER-4. Free discharge motors on units with two-row , electric, or steam coils unit 115 volt 208-230 volt 277-480 volt r p m size F L A h p (kW) F LA hp (kW) F L A hp (kW) H M L 02 0. 6 .03 (.02) 0.3 .03 (.02) 0.2 .03 (.02) 980 8 4 0 65 5 03 0. 7 .04 (.02) 0.4 .04 (.02) 0.3 .04 (.02) 980[...]

  • Page 38

    38 UNT -SVX07A-EN electrical requirements Installation T able I-ER-8. Fan-coil electric heat kW Unit Size Unit V oltage k W k W k W k W k W k W k W kW k W k W kW 02 11 5 1.0 1.5 2.0 2 30 1.0 1.5 2.0 2 77 1.0 1.5 2.0 2 08 0.8 1.1 1.5 1.9 03 11 5 1.0 1.5 2.0 2.5 2 30 1.0 1.5 2.0 2.5 2 77 1.0 1.5 2.0 2.5 2 08 0.8 1.1 1.5 1.9 2.3 04 11 5 2.0 2.5 3.0 2 [...]

  • Page 39

    UNT -SVX07A-EN 39 T able I-ER-11. Force Flo single stage, low kW electric heat unit size voltage # wires kW amps/ph k W amps/ph k W amps/ph 02 208/60/1 2 0.75 3.7 1.5 7 .3 240/60/1 2 1. 0 4.2 2 .0 8. 4 277/60/1 2 1. 0 3.7 2 .0 7. 3 03 208/60/1 2 2.25 10.9 240/60/1 2 3. 0 12.5 277/60/1 2 3. 0 10.9 208/60/3 3 2.25 6.3 240/60/3 3 3. 0 7.3 480/60/3 4 3[...]

  • Page 40

    40 UNT -SVX07A-EN Installation electrical requirements T able I-ER-12. Force Flo 2-stage electric heat unit 1st stage total total size volts h z phase wires kW kW a m ps/ph 2 0 8 1 2 0.75 2.25 10.9 2 4 0 1 2 1 .0 3.0 12.5 02 27 7 60 1 2 1.0 3.0 10.9 2 0 8 3 3 0.75 2.25 6.3 2 40 3 3 1.0 3.0 7.3 4 80 3 4 1.0 3.0 3.7 2 0 8 1 2 1.5 4.5 21.7 2 4 0 1 2 2[...]

  • Page 41

    UNT -SVX07A-EN 41 installation procedure Installation Installing the Unit Follow the procedures below to install the unit properly . Reference the “Dimensions and Weights” section for specific unit dimensions and mounting hole locations. V er tical Units CAUTION Electrical Wiring! Do not allow electrical wire to fall between the unit and instal[...]

  • Page 42

    42 UNT -SVX07A-EN installation procedure Installation Note: The trim ring assembly cannot accomodate unlevel ceilings. Figure I-IP-1. Installing the trim ring assembly on horizontal recessed units. Note: On sizes 8, 10, & 12 center installa- tion position and use 2 or 3.5-inch bolts, whichever is best suited for installation. Also, install two [...]

  • Page 43

    UNT -SVX07A-EN 43 Installation Figure I-IP-4. Zone sensor with setpoint knob, on/cancel, & comm jack. Figure I-IP-3. Zone sensor with on/cancel and comm jack. Figure I-IP-2. Zone sensor with off/ auto/high/low fan speeds, setpoint knob, on/cancel, and comm jack. Figure I-IP-5. Zone sensor only , installation procedure Wall-Mounted Control Optio[...]

  • Page 44

    44 UNT -SVX07A-EN installation procedure Installation Installing Wall Mounted Controls Reference the wall-mounted zone sensor dimensions in Figure I-IP-6. Position the controller on an inside wall three to five feet above the floor and at least 18 inches from the nearest outside wall. Installing the controller at a lower height may give the advanta[...]

  • Page 45

    UNT -SVX07A-EN 45 installation procedure Installation Checklist The following checklist is only an abbreviated guide to the detailed installation procedures given in this manual. Use this list to ensure all necessary procedures are complete. For more detailed information, refer to the appropriate sections in this manual. WARNING Hazardous V oltage [...]

  • Page 46

    46 UNT -SVX07A-EN pre-startup requirements Installation Device Addressing LonT alk devices are given a unique address by the manufacturer . This address is called a Neuron ID. Each T racer ZN510 and ZN520 controller can be identified by its unique Neuron ID, which is printed on a label on the controller’ s logic board. The Neuron ID is also displ[...]

  • Page 47

    UNT -SVX07A-EN 47 Pre-Startup Checklist Complete this checklist after installing the unit to verify all recommended installation procedures are complete before unit startup. This does not replace the detailed instructions in the appropriate sections of this manual. Disconnect electrical power before performing this checklist. Always read the entire[...]

  • Page 48

    48 UNT -SVX07A-EN T racer™ ZN510 & ZN520 Unit Startup Refer to the T rane publication, CNT -IOP-1 Installation, Operation and Programming Guide for T racer ZN510 and CNT - SVX04A-EN for T racer ZN520. The factory pre-programs the T racer ZN510 and ZN520 with default values to control the temperature and unit airflow . Use T racer Summit build[...]

  • Page 49

    UNT -SVX07A-EN 49 Operation general information Figure O-GI-3. T racer ZN010 board Figure O-GI-2. Fan speed switch General Information Relay Board The relay board is a new component on all models (except those with a unit- mounted, line-voltage fan speed switch) that replaces all the loose wires in the control box. It consolidates many control comp[...]

  • Page 50

    50 UNT -SVX07A-EN Fan Mode Switch Operation Off Fan is turned off, two-position damper option spring-returns closed. Hi, Med, Lo Fan runs continuously at the selected speed. The two-position damper option opens to an adjustable mechanical stop position. T racer ZN010 & ZN510 Operation Off Fan is off; control valves and fresh air damper option c[...]

  • Page 51

    UNT -SVX07A-EN 51 Operation sequence of operation Sequence of Operation T racer ZN010 and ZN510 Note: this section applies only to units with a T racer ZN010 or ZN510 controller . Power-Up Sequence When 24 V AC power is initially applied to the T racer ZN010 or ZN510, the following sequence occurs: 1. All outputs are controlled off. 2. T racer ZN01[...]

  • Page 52

    52 UNT -SVX07A-EN Operation sequence of operation Analog Inputs Both T racer ZN010 and ZN510 accept a maximum of five analog inputs. Reference T able O-SO-4. Zone Sensors The zone sensors available with the T racer ZN010 and ZN510 provide up to three different inputs 1. Space temperature measurement (10K Ω thermistor) 2. Local setpoint 3. Fan mod[...]

  • Page 53

    UNT -SVX07A-EN 53 Operation sequence of operation T racer ZN520 Sequence of Operation The T racer ZN520 operates the fan in the following modes: 1) occupied 2) unoccupied 3) occupied standby 4) occupied bypass 5) T racer Summit with supply fan control Occupied When the controller is in the occupied mode, the unit attempts to maintain the space temp[...]

  • Page 54

    54 UNT -SVX07A-EN Operation sequence of operation Cooling Operation The heating and cooling setpoint high and low limits are always applied to the occupied and occupied standby setpoints. During the cooling mode, the T racer ZN520 controller attempts to maintain the space temperature at the active cooling setpoint. Based on the controller’ s occu[...]

  • Page 55

    UNT -SVX07A-EN 55 Operation sequence of operation Fan Mode Operation For multiple fan speed applications, the T racer ZN520 controller offers additional fan configuration flexibility . Separate default fan speeds for heating and cooling modes can be configured. The fan runs continuously for requested speeds (off, high, medium, or low). When the fan[...]

  • Page 56

    56 UNT -SVX07A-EN Operation sequence of operation Fan Start on High Speed On a transition from off to any other fan speed, the T racer ZN520 controller automatically starts the fan on high speed and runs the fan at high speed for 0.5 seconds. This provides the ample torque required to start all fan motors from the off position. Entering Water T emp[...]

  • Page 57

    UNT -SVX07A-EN 57 Operation sequence of operation Note: If the unit is in the unoccupied mode, the dehumidification routine will not operate. Data Sharing Because this controller utilizes LonW orks™ technology , the controller can send or receive data (setpoint, heat/ cool mode, fan request, space temperature, etc.) to and from other controllers [...]

  • Page 58

    58 UNT -SVX07A-EN Operation sequence of operation T able O-SO-14. Analog inputs description terminals function range zone TB3-1 space temperature input 5° t o 122°F (-15° to 50°C) ground TB3-2 ana log grou nd NA set TB3-3 setpoint input 40° to 115°F (4.4° to 46.1°C) f a n B3-4 fan switch input 4821 to 4919 W (off) 2297 to 2342 W (auto) 1059[...]

  • Page 59

    UNT -SVX07A-EN 59 Operation sequence of operation Zone Sensor The T racer ZN520 controller accepts the following zone sensor module inputs: • Space temperature measurement (10k Ω thermistor) • Local setpoint (either internal or external on the zone sensor module) • Fan switch • T imed override (On) and Cancel timed override • Communicat[...]

  • Page 60

    60 UNT -SVX07A-EN Maintenance diagnostics T able M-D-1 . T racer ZN520 Diagnostics Diagnostic F a n Ot her Outputs (Note 1) Condensate overflow O ff V alves Closed, Fresh air damper Closed, electric heat Off, Baseboard heat Off Low temperature detection Of f V alves Open, Fresh air damper Closed, electric heat Off, Baseboard heat Off Low air flow -[...]

  • Page 61

    UNT -SVX07A-EN 61 Maintenance diagnostics T able M-D-2. T racer ZN510 controller diagnostics diagnostic l atc hi ng? fa n valves elec heat damper auxiliary n o e n a b le d no action no action no action temp. failure condensate yes o f f closed o f f closed overflow detection entering n o ena ble d ena ble d ena ble d ena ble d water temp. failure [...]

  • Page 62

    62 UNT -SVX07A-EN Maintenance diagnostics T able 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 e[...]

  • Page 63

    UNT -SVX07A-EN 63 Maintenance diagnostics T able 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 communic[...]

  • Page 64

    64 UNT -SVX07A-EN Figure M-T -1. Resistance temperature cur ve for the zone sensor , entering water temperature sensor , and discharge air sensor . Thermisitor = 10k Ω Ω Ω Ω Ω at 77°F . Maintenance troubleshooting T roubleshooting the Relay Board The relay board serves as a common interface to all of the standard end devices, and has an [...]

  • Page 65

    UNT -SVX07A-EN 65 Maintenance troubleshooting T roubleshooting T racer ZN010, ZN510 & ZN520 Figure M-T -1. The T racer ZN010 board Red SERVICE LED Green ST A TUS LED Y ellow COMM LED Red SERVICE LED During normal operation, the LED is off continuously when power is applied to the controller . If the LED is on continuously , even when power is a[...]

  • Page 66

    66 UNT -SVX07A-EN Maintenance troubleshooting Manual Output T est Procedure Follow the procedure below to test the T racer ZN010, ZN510, and ZN520 controllers. 1. Press and hold the TEST button for at least two seconds (not exceeding 5 seconds), and then release, to start the test mode. 2. The test sequence will turn off all outputs and then attemp[...]

  • Page 67

    UNT -SVX07A-EN 67 Maintenance maintenance procedures Maintenance Procedures Perform the following maintenance procedures to ensure proper unit operation. WARNING Live Electrical Components! During installation, testing, servicing, and troubleshooting this equipment, it may be necessary to work with live electrical components. Have a qualified licen[...]

  • Page 68

    68 UNT -SVX07A-EN Maintenance maintenance procedures Coil Maintenance Keep coils clean to maintain maximum performance. For operation at its highest efficiency , clean the coil often during periods of high demand or when dirty conditions prevail. Clean the coil a minimum of once a year to prevent dirt buildup in the coil fins, where it may not be v[...]

  • Page 69

    UNT -SVX07A-EN 69 Maintenance maintenance procedures Fan Board Assembly Removal Follow the procedure below when replacing the coil or making repairs to the fan or motor . WARNING Hazardous V oltage w/Capacitors! Disconnect all electric power , including remote disconnects and discharge all motor start/run capacitors before servicing. Follow proper [...]

  • Page 70

    70 UNT -SVX07A-EN Maintenance Periodic Maintenance Checklists Monthly Checklist The following check list provides the recommended maintenance schedule to keep the unit running efficiently . WARNING Live Electrical Components! During installation, testing, servicing, and troubleshooting this equipment, it may be necessary to work with live electrica[...]

  • Page 71

    UNT -SVX07A-EN 71 typical wiring diagram Maintenance CSTI Fan Speed Switch[...]

  • Page 72

    72 UNT -SVX07A-EN typical wiring diagram Maintenance CSTI Non Fan Speed Switch[...]

  • Page 73

    UNT -SVX07A-EN 73 typical wiring diagram Maintenance Line voltage fan speed switch[...]

  • Page 74

    74 UNT -SVX07A-EN typical wiring diagram Maintenance T racer ZN010 with electric heat[...]

  • Page 75

    UNT -SVX07A-EN 75 typical wiring diagram Maintenance T racer ZN510 with main and auxilliary valves[...]

  • Page 76

    76 UNT -SVX07A-EN typical wiring diagram Maintenance ZN520 with 2-stage electric heat[...]

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    a business of American Standard Inc. www.trane.com For more information contact your local office or e-mail us at comfort@trane.com Literature Order Number File Number Supersedes Stocking Location T rane has a policy of continuous product improvement and reserves the right to change design and specifications without notice. Only qualified technicia[...]