Trane Tracer UC400 Installation, Operation And Maintenance Manual Download Page 49 | Manualshive

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BAS-SVX065E-EN

49

Table

17.

Output

test

states

State

Mode

(a)

ECM

Fan

Speed

Fan

Enable

/

High

Water

Side

Econo-

mizer

Fan

Low

Comp

1

Comp

2

Electric

Heat/Hot

Gas

Reheat

Electric

Heat

(Units

With

Both

HGR

and

EH)

Revers-

ing

Valve

Isola-

tion

Valve

Outdoor

Air

Damper

AO1

BO1

BO2

BO3

BO4

BO5

BO6

XM32

BO1

BO7

BO8

BO9

1

Off

OFF

OFF

OFF

OFF

OFF

OFF

OFF

OFF

OFF

OFF

OFF

2

Isolation

V

alve

Open

OFF

OFF

OFF

OFF

OFF

OFF

OFF

OFF

OFF

ON

OFF

3

F

an

Low

MIN

ON

OFF

ON

OFF

OFF

OFF

OFF

OFF

ON

OFF

4

F

an

High

MAX

ON

OFF

OFF

OFF

OFF

OFF

OFF

OFF

ON

OFF

5

W

ater

Side

Economizer

MAX

ON

ON

OFF

OFF

OFF

OFF

OFF

OFF

ON

OFF

6

Compressor

Cool

Stage

1

MAX

ON

OFF

OFF

ON

OFF

OFF

OFF

ON

ON

OFF

7

Compressor

Cool

Stage

2

MAX

ON

OFF

OFF

ON

ON

OFF

OFF

ON

ON

OFF

8

Hot

Gas

R

eheat

MAX

ON

OFF

OFF

ON

OFF

ON

OFF

ON

ON

OFF

Units

Without

Hot

Gas

R

eheat

MAX

ON

OFF

OFF

OFF

OFF

OFF

OFF

ON

ON

OFF

9

Elec

Heat

Only

(Boilerless)

MAX

ON

OFF

OFF

OFF

OFF

ON

OFF

OFF

ON

OFF

Concurrent

(DX

Heat

+

Elec

Heat)

MAX

ON

OFF

OFF

ON

ON

ON

OFF

OFF

ON

OFF

Elec

Heat

Only

(Boilerless)

Units

Equiped

With

Both

HGR

and

EH

MAX

ON

OFF

OFF

ON

OFF

OFF

OFF

OFF

ON

OFF

Concurrent

(DX

Heat

+

Elec

Heat)

Units

Equiped

With

Both

HGR

and

EH

MAX

ON

OFF

OFF

ON

ON

OFF

ON

OFF

ON

OFF

Units

Without

Elec

Heat

MAX

ON

OFF

OFF

OFF

OFF

OFF

OFF

OFF

ON

OFF

10

Compressor

Heat

Stage

1

MAX

ON

OFF

OFF

OFF

OFF

OFF

OFF

OFF

ON

OFF

11

Compressor

Heat

Stage

2

MAX

ON

OFF

OFF

ON

ON

OFF

OFF

OFF

ON

OFF

12

Outside

Air

Damper

MAX

ON

OFF

OFF

OFF

OFF

OFF

OFF

OFF

OFF

ON

13

Normal

Operation

Turn

All

Outputs

OFF,

Then

Release

to

Normal

Control

Immediately

(a)

A

60

minute

time

limit

will

be

imposed

on

each

Mode

step.

Once

the

timer

expires,

the

unit

will

transition

back

to

normal

control.

If

the

unit

is

actively

operating

when

a

T

est

Mode

is

requested,

the

unit

will

follow

all

startup

and

shutdown

requirements

to

energize/de-energize

the

compressor

and

supply

fan

outputs.

If

an

optional

output

is

not

present

then

the

current

step

is

the

same

as

the

prior

step

unless

otherwise

stated

in

the

table.

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Summary of Contents for Tracer UC400

Page 1: ...nowledge and training Improperly installed adjusted or altered equipment by an unqualified person could result in death or serious injury When working on the equipment observe all precautions in the literature and on the tags stickers and labels that are attached to the equipment February 2021 B BA AS S S SV VX X0 06 65 5E E E EN N Installation Operation and Maintenance Tracer UC400 UC400 B Progra...

Page 2: ...cific operation description for Water Source Heat Pump WSHP 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 Trademarks All tr...

Page 3: ...ssor 2 Protection Status 14 BI3 BI4 Frost Detection 14 BI5 Fan Status 14 Analog Inputs 15 Ground Terminals 15 AI1 Space Temperature 15 AI2 Space Temperature Local Setpoint 15 AI3 Local Fan Mode Input 15 AI4 Discharge Air Temperature Sensor 15 AI5 Entering Water Temperature 16 Universal Inputs 16 UI1 Leaving Water Temperature 16 UI2 Relative Humidity or CO2 Sensor 16 Pressure Inputs 16 PI1 Condensa...

Page 4: ...ndby Mode 36 Occupied Bypass Mode 37 Timed Override Control 37 Heat Cool Operation 37 Fan Operation 38 Single Zone VAV Variable Speed Fan Operation 38 Entering Water Temperature Sampling Function 40 Electric Heat Operation 42 Other Modes 43 Operational Troubleshooting 47 Diagnostics 47 Override Outputs 48 Resetting Diagnostics 50 High Low Pressure Cutout 50 Manual Output Test 50 Cycling Power 50 B...

Page 5: ...dor interconnected system The BACnet protocol defines standard objects data points called BACnet objects Each object has a defined list of properties that provide context information about that object In addition BACnet defines a number of application services that are used to interact with objects in a BACnet device BACnet Testing Laboratory BTL Certification The UC400 Controller supports the BAC...

Page 6: ...4 kg Environmental Rating Enclosure NEMA 1 Altitude 6 500 ft maximum 1 981 m Installation U L 840 Category 3 Pollution U L 840 Degree 2 Housing Material a Polycarbonate ABS Blend UV protected U L 94 5VA flammability rating Mounting UC400 Mounts on EN 50 022 35 X 15 DIN rail UC400 B Pre mounted Agency Listing UL916 PAZX Open Energy Management Equipment UL94 5V Flammability CE Marked FCC Part 15 Sub...

Page 7: ... 8 0 5 3 8 1 5 3 8 0 1 5 3 8 0 Address AIP4 GND J2 4 Pin Phoenix 24VAC GND 24VAC GND 24VAC GND J15 J17 P1 PI1 PI2 J4 BO9 GND 24VAC BO8 J16 BO1 24VAC BO2 24VAC BO3 24VAC AMP Phoenix Phoenix Phoenix 24VDC GND Comm Comm 5 pin Phoenix J8 BACnet 4 Pin Phoenix J13 AIP3 GND AIP2 24VAC AIP1 GND J1 6 pin Phoenix J6 AOP2 GND Phoenix J5 AOP1 GND Phoenix IMC J12 AMP J11 AMP BI1 BI1 J3 Phoenix UIP1 GND UIP2 GN...

Page 8: ...y Types Range Notes Analog input AI1 to AI5 5 Temperature 10 kΩ thermistor AI1 to AI4 can be configured for timed override capability Setpoint 189 Ω to 889 Ω Resistive 100 Ω to 100 kΩ Typically used for fan speed switch Universal input UI1 and UI2 2 Linear 0 20 mA These inputs may be configured to be thermistor or resistive inputs 0 10 Vdc inputs or 0 20 mA inputs Linear 0 10 Vdc Temperature 10 kΩ...

Page 9: ...nalog output or binary input Linear output 0 10 Vdc Binary input Dry contact PWM output 80 Hz signal 15 Vdc Pressure inputs PI1 and PI2 2 3 wire 0 5 in H2O Used as a binary input for condensate on WSHP Overall Point Total 23 a Do Not mix Class 1 and Class 2 voltage wiring in an enclosure or on a controller without an approved barrier between the wiring D De ev vi ic ce e C Co on nn ne ec ct ti io ...

Page 10: ...ost detection and fan status inputs accept switching devices that may have normally open NO or normally closed NC dry contacts Zone Temperature Sensors The following table provides the sensor types and features supported by the UC400 Controller Table 3 UC400 controller supported sensors and features Features Sensor Type Setpoint Fan Control System Occupancy LEDs Part Number BAYSENS Global Parts Te...

Page 11: ...ac For 2 position valves use actuators with ON OFF and spring actions that returns the valve to normally open NO or closed NC which are dependent on the desired default position For modulating actuators use actuators with or without a spring return as required by the application Zone Humidity Sensor For measurement of relative humidity RH the UC400 Controller requires a zone humidity sensor with a...

Page 12: ...based on Trane GE units Table 5 Factory programmed terminations for Trane GE units Inputs Outputs Communication UC400 UC400 BController Terminations Factory Programmed Assumed Terminations Analog Inputs AI1 Space Temperature Local AI2 Space Temperature Setpoint Local AI3 Local Fan Mode Switch AI4 Discharge Air Temperature Sensor AI5 Entering Water Temperature Sensor Universal Inputs UI1 Relative H...

Page 13: ...ing table lists single compressor control with variable speed fan based on Trane EX DX units Table 6 Factory programmed terminations for single compressor control for Trane EX DX units Inputs Outputs Communication UC400 Controller Terminations Factory Programmed Assumed Terminations Analog Inputs AI1 Space Temperature Local AI2 Space Temperature Setpoint Local AI3 Local Fan Mode Switch AI4 Dischar...

Page 14: ...n NO or normally closed NC BI1 Occupancy Occupancy BI1 saves energy by spreading space temperature setpoints when the zone is unoccupied Used as an occupancy input BI1 has two 2 related functions It changes the mode from occupied to occupied standby for controllers receiving a BAS communicated occupancy request It can be hard wired to a binary switch or time clock to determine the occupancy mode a...

Page 15: ...d setpoint value is present the controller uses the space temperature setpoint default analog value which is configured using the Tracer TU service tool If a local setpoint value is not valid or not present the controller generates a Space Temperature Setpoint Local alarm AI3 Local Fan Mode Input Local Fan Mode Input AI3 functions as the local hard wired fan mode switch input for applications usin...

Page 16: ...e en ns so or r I In np pu ut t the pre configured unit requires a 4 20 mA analog input corresponding linearly to 0 2000 ppm Factory applications do not support CO2 control Instead they only monitor the status of the sensor input Pressure Inputs The UC400 Controller controller has two 2 pressure inputs N No ot te e PI2 has no connection PI1 Condensate Overflow Condensate overflow prevents the cond...

Page 17: ...essor Lockout Status Defrost Comm In Comm Out Supply Fan Speed Space Temp Setpoint Space Temp Ground Pressure Inputs Condensate Overflow Entering Water Temp Relative Humidity Sensor Fan Status ECM Fan Motor Space Temp Sensor Two Tier Terminal Connections Leaving Water Temp Sensor Disc harge Air Temp Zone Sensor Service Tool Connection Auxiliary 24 Vdc Output Asterisks Shown Above UI1 Relative Humi...

Page 18: ... 5 6 7 1 2 3 4 5 6 7 8 9 8 9 TRIAC SUPPLY TRIACS A BO9 BO8 BO7 BO6 BO5 BO4 A B B CONNECT AC POWER TO THE TRAIC SUPPLY TO POWER THE TRIACS Single Tier Terminal Connections Ground To 24 Vac Supply Compressor Command Waterside Economizer Fan Start Stop EX DX Units Hot Gas Reheat Elec Heat Reversing Valve Isolation Valve Outdoor Air Damper NOTES BO5 is used for compressor stage 2 on DX units and BO4 i...

Page 19: ...o detect freeze conditions that produce frost on the coil surface UI1 Relative Humidity Sensor can be used with dehumidifying unit instead of a BAS communicated valve AI5 Entering Water Temp Sensor used for auto changeover units P1 Condensate Overflow prevents the condensate drain from overflowing and causing water damage to the building Ground 24 Vac Occupancy Compressor 1 Lockout Compressor 2 Lo...

Page 20: ... 2 3 4 5 6 7 8 9 IMC 1 IMC 1 3 4 5 6 7 1 2 3 4 5 6 7 8 9 8 9 TRIAC SUPPLY TRIACS A BO9 BO8 BO7 BO6 BO5 BO4 A B B CONNECT AC POWER TO THE TRAIC SUPPLY TO POWER THE TRIACS Single Tier Terminal Connections Ground Low 24 Vac High Fan Output To 24 Vac Supply Compressor 1 Command Compressor 2 Command Waterside Economizer Hot Gas Reheat Elec Heat Reversing Valve Isolation Valve Outdoor Air Damper NOTE Wh...

Page 21: ...CE SERVICE TOOL CONNECT AC POWER TO THE TRAIC SUPPLY TO POWER THE TRIACS BO1 BO2 BO3 BO4 BO5 BO6 BO7 BO8 BO9 1 2 3 4 5 6 7 8 9 IMC 1 IMC 1 3 4 5 6 7 1 2 3 4 5 6 7 8 9 8 9 VAC 24 XFRM VAC 24 VAC 24 BI1 BI2 BI3 LINK IMC 24 VDC BI4 AO1 BI5 AO2 UI1 UI2 AI3 AI2 AI1 AI4 AI5 P1 P2 IMC 1 IMC Variable Fan Speed 24 Vac Ground Figure 7 Relative humidity UI1 RH 4 20 mA UC400 to 24 VDC T Ty yp pi ic ca al l A ...

Page 22: ...ND Comm Comm 5pin Phoenix J8 BACnet 4 Pin Phoenix J13 AIP3 GND AIP2 24VAC AIP1 GND J1 6 pin Phoenix J6 AOP2 GND Phoenix J5 AOP1 GND Phoenix IMC J12 AMP J11 AMP BI1 BI1 J3 Phoenix UIP1 GND UIP2 GND 24VDC Gnd 24VDC 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 1 2 1 2 2 1 3 4 5 1 2 1 2 2 1 3 4 5 6 1 4 3 2 Entering Water Temp Discharge Air Temp Leaving Water Temp Sensor Occupa...

Page 23: ...ND Phoenix IMC J12 AMP J11 AMP BI1 BI1 J3 Phoenix UIP1 GND UIP2 GND 24VDC Gnd 24VDC 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 1 2 1 2 2 1 3 4 5 1 2 1 2 2 1 3 4 5 6 14 Pin AMP BO4 BO5 24VAC GND BO6 BO7 BI2 BI2 BI3 BI3 AI5 GND 24VAC GND 14 13 12 11 10 9 8 7 6 5 4 3 2 1 J18 24VAC GND 24VAC GND 24VAC GND J15 J17 BO9 GND 24VAC BO8 J16 BO1 24VAC BO2 24VAC BO3 24VAC Phoenix Ph...

Page 24: ...D J1 6 pin Phoenix J6 AOP2 GND Phoenix J5 AOP1 GND Phoenix IMC J12 AMP J11 AMP BI1 BI1 J3 Phoenix UIP1 GND UIP2 GND 24VDC Gnd 24VDC 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 1 2 1 2 2 1 3 4 5 1 2 1 2 2 1 3 4 5 6 1 4 3 2 Entering Water Temp Discharge Air Temp Leaving Water Temp Sensor Occupancy Open Occu Relative Humidity Sensor ECM Fan Motor Pressure Inputs Condensate O...

Page 25: ...enix J6 AOP2 GND Phoenix J5 AOP1 GND Phoenix IMC J12 AMP J11 AMP BI1 BI1 J3 Phoenix UIP1 GND UIP2 GND 24VDC Gnd 24VDC 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 1 2 1 2 2 1 3 4 5 1 2 1 2 2 1 3 4 5 6 14Pin AMP BO4 BO5 24VAC GND BO6 BO7 BI2 BI2 BI3 BI3 AI5 GND 24VAC GND 14 13 12 11 10 9 8 7 6 5 4 3 2 1 J18 24VAC GND 24VAC GND 24VAC GND J15 J17 BO9 GND 24VAC BO8 J16 BO1 24V...

Page 26: ...4VAC BO8 J16 BO1 24VAC BO2 24VAC BO3 24VAC AMP Phoenix Phoenix Phoenix 24VDC GND Comm Comm 5 pin Phoenix J8 BACnet 4 Pin Phoenix J13 AIP3 GND AIP2 24VAC AIP1 GND J1 6 pin Phoenix J6 AOP2 GND Phoenix J5 AOP1 GND Phoenix IMC J12 AMP J11 AMP BI1 BI1 J3 Phoenix UIP1 GND UIP2 GND 24VDC Gnd 24VDC 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 1 2 1 2 2 1 3 4 5 1 2 1 2 2 1 3 4 5 6 ...

Page 27: ...lly set with no gaps in the numbering starting with 001 on each link for example 001 002 003 004 and so on A duplicate address or a 000 address setting interrupts communications and cause the Tracer SC device installation process to fail BACnet Device ID The BACnet Device ID is required by the BACnet network Each device must have a unique number from 001 to 4094302 BACnet Networks With or Without ...

Page 28: ...VDC AI AI AI AI AI P P TX RX LINK IM SERVI SERVICE TOOL IM BI LINK IMC VDC AI AI AI AI AI P P TX RX LINK IM SERVI SERVICE TOOL IM BI LINK IMC VDC AI AI AI AI AI P P TX RX LINK IM SERVI SERVICE TOOL IM BI LINK IMC VDC AI AI AI AI AI P P TX RX LINK IM SERVI SERVICE TOOL IM UC400 UC400 UC400 Zone Sensor Zone Sensor Zone Sensor Zone Sensor Communications Jack Wiring Tracer SC Trane BACnet Terminator 2...

Page 29: ...or each UC400 Controller The line input to the transformer must be equipped with a circuit breaker sized to handle the maximum transformer line current If a single transformer is shared by multiple UC400 Controllers The transformer must have sufficient capacity Polarity must be maintained for every controller powered by the transformer I Im mp po or rt ta an nt t If the polarity is inadvertently r...

Page 30: ...nals on the controller as shown below Figure 15 Connecting 24 Vac secondary wires for UC400 and UC400 B VAC 24 XFRM VAC 24 VAC 24 BI1 BI2 BI3 LINK IMC 24 VDC BI4 AO1 BI5 AO2 UI1 UI2 AI3 AI2 AI1 AI4 AI5 P1 P2 C NC NO BO3 C NC NO BO2 C NC NO BO1 RELAYS ADDRESS TRIAC SUPPLY TRIACS A BO9 BO8 BO7 BO6 BO5 BO4 A B B TX RX LINK IMC SERVICE SERVICE TOOL CONNECT AC POWER TO THE TRAIC SUPPLY TO POWER THE TRI...

Page 31: ...om the line voltage power to the electrical cabinet 3 Energize the transformer to apply power to the UC400 Controller 4 Observe the controller when power is applied to verify the power check sequence performs as follows a The power LED is lit red for one 1 second b The power LED is lit green if The sequencing above is completed as described and the controller is properly booted and ready to receiv...

Page 32: ... LED placements Marquee LED Communication status LEDs and IMC status LEDs Service button LED Three 3 binary output relay and nine 9 TRIAC status LEDs Figure 16 LEDs for UC400 and UC400 B SERVICE IMC LINK RX TX BO2 BO1 BO9 BO8 BO7 BO6 BO5 BO3 BO4 Marquee LED There are 15 LEDs on the front of the UC400 controller The following table provides a description of LED activities an indication or troublesh...

Page 33: ...X blinks green Blinks at the data transfer rate when the unit transfers data to other devices on the link TX LED Regardless of connectivity or not this LED will constantly blink as it continually looks for devices to communicate to LED not lit Determine if for example a Tracer SC or BACnet device is trying to talk to the controller or if it is capable of talking to the controller Also determine if...

Page 34: ...rn ON However the binary outputs will not be activated Commanded ON As an example of commanded ON a command could be a manual command such as an override or a command could be from TGP2 based on a list of conditions that are met telling these outputs to turn ON LED not lit Did the user command it to be ON If yes see the Marquee LED at the top of this table LED not lit Indicates that a relay output...

Page 35: ...t are in fault or alarm mode should be checked to determine if the status of the point s is acceptable to allow equipment operation Random Start Random start prevents all units in a building from energizing at the same time The random start timer delays the fan and any heating or cooling startup from 5 to 30 seconds Occupancy Modes Occupancy modes can be controlled by the following methods The sta...

Page 36: ... the fan is OFF The temperature setpoints can be local hard wired communicated or stored default values configured using the Tracer TU service tool Unoccupied Mode In unoccupied mode the UC400 Controller attempts to maintain the space temperature based on the unoccupied heating or cooling setpoint The fan cycles between HIGH speed and OFF In addition the outdoor air damper remains closed unless ec...

Page 37: ... timed override request In addition it ends the timed override before the occupied bypass time has expired and transitions the unit from occupied bypass mode to unoccupied mode If the controller is in any mode other than unoccupied mode when the ON button is pressed it still starts the occupied bypass timer without changing to occupied bypass mode If the controller is placed in unoccupied mode bef...

Page 38: ...ry to meet demand Capacity must be at 100 for 10 minutes before the fan will ramp to AV 17 setting A AV V 1 17 7 S Su up pp pl ly y F Fa an n S Sp pe ee ed d M Ma ax xi im mu um m H He ea at t C Co oo ol l C Ca ap pa ac ci it ty y When electric heat is not active or a single stage of compressor is active the fan modulates between AV19 and AV17 to meet demand When electric heat is active or the sec...

Page 39: ...XVG 036 60 30 20 0 5 DXVG 060 67 34 20 0 5 DXVG 070 84 42 20 0 5 Notes 1 The minimum setting is enforced to protect equipment 2 The full range of the PWM is scaled between 0 100 with 20 being the minimum signal E Ex xa am mp pl le e Determining low fan speeds GEVG 036 Unit AV17 AV22 60 0 5 30 for the factory default value applied to AV18 19 20 If AV17 has been changed in the field to 68 the low se...

Page 40: ...onomizer WSE Each unit is treated as having isolation valves whether present or not If the EWT is communicated to the controller through a BAS or if sampling is not desired it can be turned off by setting BV 9 Water Temperature Sampling Enable to disabled If the EWT is present as a hard wired input and communicated from a BAS the communicated value is used When the EWT sample is used the isolation...

Page 41: ... HP with WSE Yes HP electric heat boiler less Yes HP electric heat WSE No HP electric heat concurrent Yes HP electric heat concurrent WSE No Cooling only Yes Cooling only with WSE No Cooling electric heat boiler less Yes Cooling electric heat boiler less WSE Waterside Economizer Operation The UC400 Controller supports the use of a 2 position waterside economizer WSE The WSE is only active in cooli...

Page 42: ... and the electric heat operates concurrently with the compressors as needed to maintain space temperature Boiler less When applied the electric heat enables based on the Entering Water Temperature EWT Both the compressor s and electric heat are not allowed to operate at the same time Boiler less electric heat is controlled by the EWT and compressor heat disable setpoint If the unit is in the heati...

Page 43: ...t 2 Under normal operation the isolation valves are closed under the following conditions When the compressor and WSE are controlled OFF and the when the 10 minute minimum ON has expired N No ot te e If the WSE is disabled due to the economizer enable parameter or through the BAS system and cooling demand is present the isolation valve remains open for compressor operation Power is lost valves de ...

Page 44: ...ve Dehumidification Passive dehumidification slows down the approach to zone temperature setpoint to run compressor longer and remove more moisture during the cooling cycle The factory supplied UC400 supports passive dehumidification on one stage or two stage single compressor units with an ECM fan A relative humidity sensor and discharge air temperature sensor must be installed If hot gas reheat ...

Page 45: ...or more below the heating setpoint The damper remains closed indefinitely during morning pre heat until the space temperature is within 2 F degrees of the effective heating setpoint The unit runs at full capacity until setpoint is met Pre Cool The UC400 Controller keeps the 2 position outdoor air damper closed for up to one 1 hour at every transition from unoccupied to occupied mode when the space...

Page 46: ...gnostic After the diagnostic is cleared the UC400 Controller resets the fan runtime to zero and begins accumulating fan run hours again If at any time the unit loses power the timer is reset to zero S Se eq qu ue en nc ce e o of f O Op pe er ra at ti io on n ...

Page 47: ...alves Closed Compressor OFF Note In a 2 compressor unit the unit continues to operate if a compressor is available Latching Auto reset once every 24 hours If safety generate a diagnostic more than once a communicated or manual reset is required Low Air Flow Fan Failure This diagnostic is generated when a fan status device is present and fails to close after one minute of unit startup or when it op...

Page 48: ...and automatically reset when the input is present and valid Override Outputs Use the Tracer TU service tool to control Multi state value 12 MV 12 of the UC400 Controller to any of the specific output test states listed in the table below There are two 2 output test methods available Overriding Manual Test Sequence MV 12 to Control the Outputs Open Tracer TU and select the Multi state point tab The...

Page 49: ...X Heat Elec Heat MAX ON OFF OFF ON ON ON OFF OFF ON OFF Elec Heat Only Boilerless Units Equiped With Both HGR and EH MAX ON OFF OFF ON OFF OFF OFF OFF ON OFF Concurrent DX Heat Elec Heat Units Equiped With Both HGR and EH MAX ON OFF OFF ON ON OFF ON OFF ON OFF Units Without Elec Heat MAX ON OFF OFF OFF OFF OFF OFF OFF ON OFF 10 Compressor Heat Stage 1 MAX ON OFF OFF OFF OFF OFF OFF OFF ON OFF 11 C...

Page 50: ...Manual Output Test The service button on the UC400 Controller can be used during installation to verify proper end device operation or during troubleshooting When the service button is pressed the controller exercises all outputs in a predefined sequence The first and last steps of the sequence reset the controller diagnostics Cycling Power When turning off the 24 Vac power to the UC400 Controller...

Page 51: ...00 Controller is configured for continuous fan operation the fan normally cycles with capacity during unoccupied mode While unoccupied the fan cycles ON or OFF with heating cooling to provide varying amounts of heating or cooling to the space Fan Mode Off If a local fan mode switch determines the fan operation the OFF position controls the fan to off Requested Mode Off The user can communicate a d...

Page 52: ...ust be present and correct for normal operation Failed End Device Check the UC400 Controller contactors or the electric heat element including any auxiliary safety interlocks to ensure proper operation No Power to the Controller If the UC400 Controller does not have power heat outputs do not operate For the controller to operate normally apply an input voltage of 24 Vac If the Marquee Power LED is...

Page 53: ...s Open Unit Wiring The wiring between the UC400 Controller outputs and the outdoor air damper must be present and correct for normal outdoor air damper operation Refer to applicable wiring diagram Failed End Device Check damper actuator to ensure proper operation Normal Operation The UC400 Controller opens and closes the outdoor air damper based on the controller occupancy mode and fan status Norm...

Page 54: ...Use the Tracer TU Configuration Screen to create a factory configuration N No ot te e Some modifications can be made to the Trane factory water source heat pump configuration Create or edit a custom field programmed configuration 3 S Sp pe ec ci if fy y C Co on nt tr ro ol ll le er r S Se et tt ti in ng gs s a Configure units of measure b Specify the unit date and time c Specify the baud rate if o...

Page 55: ...a written value from on box applications such as TGP2 or an area when out of service An off box application such as Tracer TU or Tracer SC allows the capability of writing to a value object However this still requires the use of the priority table Existing points can be placed in or out of service by clicking the C Co on nt tr ro ol l icon corresponding to the point on the Analog Binary or Multi s...

Page 56: ...56 BAS SVX065E EN the Backup Utility Refer to the topics under book Managing Configurations Firmware and Files C Co on nf fi ig gu ur ra at ti io on n a an nd d M Ma ai in nt te en na an nc ce e ...

Page 57: ...Service Tool Getting Started Guide TTU SVN01 EN Tracer SC System Controller Installation and Setup BAS SVX31 EN BACnet Best Practices and Troubleshooting Guide BAS SVX51 EN Tracer Graphics Editor Online Help Tracer Graphical Programming 2 TGP2 Editor Online Help Tracer Graphical Programming TGP2 Application Guide BAS APG008 EN Tracer XM30 and XM32 Expansion Modules Installation Operation and Maint...

Page 58: ...58 BAS SVX065E EN N No ot te es s ...

Page 59: ...BAS SVX065E EN 59 N No ot te es s ...

Page 60: ... For more information please visit trane com or tranetechnologies com Trane has a policy of continuous product and product data improvements and reserves the right to change design and specifications without notice We are committed to using environmentally conscious print practices BAS SVX065E EN 06 Feb 2021 Supersedes BAS SVX065D EN April 2020 2021 Trane ...

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