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Trane UniTrane, Installation, Operation And Maintenance Manual

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Trane UniTrane Installation, Operation And Maintenance Manual Download Page 140

Diagnostics and Troubleshooting

140

 UNT-SVX07J-EN

Test Button

You can use the Test button on the controller either during 
installation to verify proper end device operation or during 
troubleshooting. When you press the Test button, the 
controller exercises all outputs in a predefined sequence. 

The first and last outputs of the sequence reset the 
controller diagnostics. See 

p. 138

 for more information 

about the manual output test.

Cycling Power

When someone turns off the controller’s 24 Vac power, 
then re-applies power, the unit cycles through a power up 
sequence. By default, the controller attempts to reset all 
diagnostics at power up. Diagnostics present at power-up 
and those that occur after power-up are handled according 
to the defined unit diagnostics sequences (see the tables 
below).

Table 77.

Tracer® ZN010 and ZN510 controller diagnostics

Diagnostic

Latching

Fan

Valves

Electric Heat

Damper

Auxiliary temperature failure

No

Enabled

No action

No action

No action

Condensate overflow detection

Yes

Off

Closed

Off

Closed

Entering water temperature

No

Enabled

Enabled

Enabled

Enabled

Fan mode failure

No

Enabled

Enabled

Enabled

Enabled

Invalid unit configuration failure

Yes

Disabled

Disabled

Disabled

Disabled

Low temperature detection

Yes

Off

Open

Off

Closed

Maintenance required

Yes

Enabled

No action

No action

No action

Setpoint

No

Enabled

No action

No action

No action

Zone temperature failure

No

Off

Closed

Off

Closed

Notes:

 1.

Priority Level: Diagnostics are listed in order from highest to lowest priority. The controller senses and records each diagnostic independently of other 

diagnostics. It is possible to have multiple diagnostics present simultaneously. The diagnostics affect unit operation according to priority level.

 2.

Latching: A latching diagnostic requires a manual reset of the controller; while a non-latching diagnostic automatically resets when the input is 

present and valid.

 3.

Enabled: End device is allowed to run if there is a call for it to run.

 4.

Disabled: End device is not allowed to run even if there is a call for it to run.

 5.

No Action: The diagnostic has no affect on the end device.

Table 78. Tracer® ZN520 controller diagnostics

Diagnostic

Fan

Other Outputs

1

Condensate overflow 

Off

Valves Closed, Fresh air damper Closed, Electric heat Off, Baseboard heat Off

Low temperature detection

Off 

Valves Open, Fresh air damper Closed, Electric heat Off, Baseboard heat Off

Low air flow - fan failure

Off

Valves Closed, Fresh air damper Closed, Electric heat Off, Baseboard heat Off

Space temperature failure

Off

Valves Closed, Fresh air damper Closed, Electric heat Off, Baseboard heat Off

Entering water temp failure

On 

Valves Enabled

1

, Fresh air damper Enabled

2

, Electric heat Enabled

2

, Baseboard heat Off

Discharge air temp low limit

Off

Valves Open, Fresh air damper Closed, Electric heat Off, Baseboard heat Off

Discharge air temp failure

Off

Valves Closed, Fresh air damper Closed, Electric heat Off, Baseboard heat Off

Fresh air temp failure

On

Valves Enabled, Fresh air damper Minimum position

3

, Electric heat Enabled, Baseboard heat Enabled

Relative humidity failure

On

Valves Enabled, Fresh air damper Enabled, Electric heat Enabled, Baseboard heat Enabled

Generic 4–20mA failure

On

Valves Enabled, Fresh air damper Enabled, Electric heat Enabled, Baseboard heat Enabled

CO

2

 Input failure

On

Valves Enabled, Fresh air damper Enabled, Electric heat Enabled, Baseboard heat Enabled

Maintenance required

On

Valves Enabled, Fresh air damper Enabled, Electric heat Enabled, Baseboard heat Enabled

Local fan mode failure

On

Valves Enabled, Fresh air damper Enabled, Electric heat Enabled, Baseboard heat Enabled

Local setpoint failure

On

Valves Enabled, Fresh air damper Enabled, Electric heat Enabled, Baseboard heat Enabled

Invalid unit configuration

Off

Valves Disabled, Fresh air damper Disabled, Electric heat Disabled, Baseboard heat Disabled

Normal—power up

On

Valves Enabled, Fresh air damper Enabled, Electric heat Enabled

Notes:

1

The generic binary output (TB4-1, TB4-2) state is unaffected by all unit diagnostics.

2

When the entering water temperature is required but not present, the Tracer

®

 ZN520 controller generates a diagnostic to indicate the sensor loss 

condition. The controller automatically clears the diagnostic once a valid entering water temperature value is present (non-latching diagnostic). 

When the entering water temperature sensor fails, the controller prohibits all hydronic cooling operation, but allows the delivery of heat when 

heating is required. In the Cool mode, all cooling is locked-out, but normal fan and outdoor air damper operation is permitted.

3

When the outdoor air temperature sensor has failed or is not present, the Tracer® ZN520 controller generates a diagnostic to indicate the sensor 

loss condition. The controller automatically clears the diagnostic once a valid outdoor air temperature value is present (non-latching diagnostic). 

When the outdoor air temperature sensor fails or is not present, the controller prohibits economizer operation.

Summary of Contents for UniTrane

Page 1: ...ning 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 UniTrane Fan Coil and Force Flo Cabinet Heater 200 1200 CFM Models FC and FF Low Vertical Models FCKB and FCLB Installation Operation an...

Page 2: ...ation which if not avoided could result in minor or moderate injury It could also be used to alert against unsafe practices NOTICE Indicates a situation that could result in equipment or property damage only accidents WARNING Proper Field Wiring and Grounding Required Failure to follow code could result in death or serious injury All field wiring MUST be performed by qualified personnel Improperly...

Page 3: ... the trademarks of their respective owners Revision History Updated for valve change WARNING Follow EHS Policies Failure to follow instructions below could result in death or serious injury All Ingersoll Rand personnel must follow Ingersoll Rand Environmental Health and Safety EHS policies when performing work such as hot work electrical fall protection lockout tagout refrigerant handling etc All ...

Page 4: ...ions 61 ECM Overview and Setup 65 Overview 65 Electronically Commutated Motor ECM 65 VelociTach Motor Control Board 66 Installation and Initial Setup 67 Adjustments 72 Configurations 75 Installation Controls 80 Control Options 80 Installation Controllers 84 Tracer ZN010 and ZN510 Controllers 84 Tracer ZN520 Controller 84 Tracer UC400 B Controller 85 Air Fi Wireless Communications System 89 Zone Se...

Page 5: ...nlet Style A Front toe space B Front bar grille C Front stamped louver D Bottom stamped louver E Bottom toe space F Back duct collar G Back exposed fan H Back stamped louver J Top duct collar K Exposed fan L Bottom filter Digit 13 Outside Air Damper 0 None A Manual Bottom opening B Manual Back opening C Manual Top opening D Auto 2 position Bottom opening E Auto 2 position Back opening F Auto 2 pos...

Page 6: ...less Communications Interface WCI N CSTI with fan status Digit 31 Control Options 0 None V Unit mounted zone sensor module OALMH and Setpoint dial W Wall mounted zone sensor module OALMH and Setpoint dial X Unit mounted fan mode switch Wall mounted zone sensor Setpoint dial Y Unit mounted fan mode switch Wall mounted zone sensor Setpoint dial On CANCEL Comm jack Z Unit mounted zone sensor module O...

Page 7: ...back M 3 in Falseback N 4 in Falseback P 5 in Falseback Q 6 in Falseback R 7 in Falseback T 8 in Falseback Digit 40 Main Auto Flow GPM Digit 41 Auxiliary Auto Flow GPM Digit 42 Subbases 0 None A 2 in height B 3 in height C 4 in height D 5 in height E 6 in height F 7 in height Digit 43 Recessed Flange 0 None A With recessed flange Digit 44 Wall Box 0 None A Clear anodized 0 None H 3 5 B 0 75 J 4 0 ...

Page 8: ...0 kW 208 V Digit 22 Reheat 0 None C Electric Heat N A Digit 23 Disconnect Switch 0 None D With disconnect switch Digit 24 Filter Type 0 None 1 1 in throwaway filter Digit 25 Future Option 0 None Digit 26 Future Option 0 None Digit 27 Piping Packages 0 None A Basic Ball valve supply and return B Basic Ball valve supply and manual circuit setter return E Deluxe Ball valve supply and manual circuit s...

Page 9: ...ition N C D 3 way 2 position N O E 2 way Modulating F 3 way Modulating G 2 way Analog 2 10 VDC H 3 way analog 2 10 VDC J Field supplied 2 position N C K Field supplied 2 position N O L Field supplied Modulating M Field supplied Analog 2 10 VDC Digits 36 Cv Auxiliary Valve 0 None A 2 way 1 4 Cv B 2 way 2 4 Cv C 2 way 3 4 Cv D 3 way 1 0 Cv E 3 way 2 7 Cv Digit 37 Main Auto Flow GPM 0 None A 0 75 B 1...

Page 10: ...units control box assembly These controllers utilize analog signals from a unit mounted control device or from a control device mounted in the occupied space The Customer Supplied Terminal Interface CSTI option includes a 24 volt AC transformer and an interface terminal board Controls provided by an external source can be tied into the interface terminal board utilizing the integrated terminal blo...

Page 11: ...er 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 Verify with an appropriate voltmeter that all capacitors have discharged For additional information regarding the s...

Page 12: ...o tolerance in both horizontal axis If the unit is to be ceiling mounted the installer contractor must provide threaded suspension rods All units must be installed level Vertical recessed concealed units require wall ceiling openings Refer to submittal for specific dimensions before attempting to install Horizontal recessed concealed units must meet the requirements of the National Fire Protection...

Page 13: ...rvice and operating clearances Figure 2 Recommended service clearances for vertical units Model A Vertical Concealed Model K Low Vertical Concealed Model H Vertical Recessed 36 in 8 5 in both sides 12 in both sides 24 in 3 in Model B Vertical Cabinet Model L Low Vertical Cabinet Figure 3 Recommended service clearances for horizontal units Model D Horizontal Cabinet Model C Horizontal Concealed Mod...

Page 14: ...in 12 12 12 12 12 12 12 Fan Motor Data Fan Quantity 1 1 1 2 2 3 3 Size Dia x Width in 6 31 x 4 6 31 x 6 5 6 31 x 7 5 6 31 x 6 5 6 31 x 7 5 1 6 31 x 7 5 6 31 x 7 5 Size Dia x Width in 2 6 31 x 6 5 Motor Quantity 1 1 1 1 1 2 2 Filter Data 1 in Throwaway and Pleated Media Quantity 1 1 1 1 1 1 1 Size in 8 7 8 x 19 1 8 8 7 8 x 19 1 8 8 7 8 x 24 1 8 8 7 8 x 33 5 8 8 7 8 x 42 1 8 8 7 8 x 61 1 8 8 7 8 x 6...

Page 15: ... C Horizontal Concealed Model D Horizontal Cabinet Model E Horizontal Recessed Model F Wall Hung Cabinet Force Flo units only Model H Vertical Recessed Model J Vertical Slope Top Cabinet Model K Low Vertical Concealed Model L Low Vertical Cabinet Model M Inverted Vertical Cabinet Force Flo units only Model N Inverted Vertical Recessed Force Flo units only Model P Compact Concealed ...

Page 16: ...l B Back 6 1 4 in 10 1 16 in Air Flow Secondary drain connection for 3 8 in ID tube Main drain connection for 7 8 in OD copper tube and clamp 5 7 16 in 1 9 16 in 10 1 16 in Coil connections Auxiliary drain pan 1 1 8 in Control box Aux box EH only Junction box non EH only Filters 3 4 in 2 5 8 in Bolt hole 7 8 in KO Control wiring Control box Junction box non EH only Auxiliary control box electric h...

Page 17: ...13 16 44 5 16 63 5 16 C 22 13 16 27 13 16 37 5 16 45 13 16 64 13 16 D 17 5 16 22 5 16 2 7 13 16 40 5 16 59 5 16 E 19 5 16 24 5 16 33 13 16 42 5 16 61 5 16 Notes 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 section for locations All duct collar dimensions are to the outside of the collar See the Fresh A...

Page 18: ...extended end pocket Front View LH Piping Coil connections Auxiliary drain pan 1 1 8 in Filters Control box 1 5 8 in 25 3 16 in 15 1 2 in 6 15 16 in 5 1 16 in Secondary drain connection for 3 8 in ID tube Main drain connection for 7 8 in OD copper tube and clamp 5 7 16 in 1 9 16 in 10 in Air flow 9 7 8 in Side View Power wiring bottom only 2 7 8 in 1 3 8 in 7 8 in KO 1 3 32 in KO Bottom View Power ...

Page 19: ... 7 5 8 7 1 8 8 7 8 7 1 8 7 5 8 D 18 24 30 42 60 E 19 5 16 24 5 16 33 13 16 42 5 16 61 5 16 F 41 5 16 46 5 16 55 13 16 64 5 16 83 5 16 G 49 5 16 54 5 16 63 13 16 72 5 16 n a Notes 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 section for locations All duct collar dimensions are to the outside of the coll...

Page 20: ... in Front outlet duct collar Front View LH Piping 1 1 8 in Aux box optional Control box Auxiliary drain pan Coil connections 26 3 4 in 4 7 8 in x F Bottom inlet open 10 1 16 in Filters Air flow 1 in duct collar 27 3 16 in Back duct collar 5 8 in Filter door used with back duct collar only Back inlet duct collar 14 1 8 in 6 1 8 in 5 8 in 1 in duct collar Side View Inlet Options Table 5 Model C Hori...

Page 21: ...61 5 16 Table 5 Model C Horizontal concealed unit dimensions inches Unit Size 200 300 400 600 800 1000 1200 Notes 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 section for locations All duct collar dimensions are to the outside of the collar See the Fresh Air Openings Locations section for dimensions ...

Page 22: ...collar optional H B G 6 in G 6 in 3 3 4 in 13 3 4 in 3 3 4 in 1 5 8 in Front outlet quadrifuser or bar grille C D C A 8 in F Optional extended end pocket 2 7 8 in 1 3 8 in Aux box opt 6 1 4 in Control box 1 3 32 in KO 7 8 in KO Power wiring bottom only Front View LH Piping Coil connections 1 1 8 in Aux Box optional Control box Auxiliary drain pan Filters 2 1 4 in Bottom inlet louvers 7 5 16 in 1 i...

Page 23: ... 7 1 8 7 5 8 D 18 24 30 42 60 E 17 1 4 22 1 4 19 3 4 40 1 4 40 1 4 F 41 1 4 46 5 16 55 3 16 64 5 16 83 5 16 G 8 5 8 8 1 8 9 7 8 8 1 8 8 5 8 H 16 22 28 40 58 J 19 3 4 23 3 4 31 3 4 39 3 4 59 3 4 Notes 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 section for locations All duct collar dimensions are to th...

Page 24: ... 8 in bottom access panel Side View Inlet Options 15 5 16 in Front View RH Piping 1 1 2 in 3 4 in 1 11 16 in 3 4 in 2 7 8 in 1 3 8 in Aux box optional 6 1 4 in Control box 8 3 16 in 1 7 16 in 7 8 in KO 1 3 32 in KO Power wiring back only 1 1 8 in Coil connections Auxiliary drain pan Front View LH Piping Ctrl box A C 1 11 16 in 1 11 16 in 4 5 8 in dia keyslot hanger holes 2 7 16 in 8 7 8 in 5 5 16 ...

Page 25: ...3 16 64 13 16 D 19 3 8 24 3 8 33 7 8 42 3 8 61 3 8 E 18 1 8 23 1 8 32 5 8 41 1 8 60 1 8 F 32 7 16 37 7 16 46 15 16 55 7 16 74 7 16 G 34 5 16 39 5 16 48 13 16 57 5 16 76 5 16 H 19 3 4 23 3 4 31 3 4 39 3 4 59 3 4 Notes 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 section for locations All duct collar dim...

Page 26: ...4 in 1 3 8 in 2 7 8 in 6 1 2 in 1 in 2 5 8 in Electrical heat only Non electric heat only 10 5 16 in Air flow 1 1 4 in 4 in Bottom inlet louvers 6 in B 6 in 7 in E 7 in 4 5 8 in dia Keyslot hanger holes 2 5 8 in Bolt holes Front outlet louvers optional Front inlet louvers Junction box non EH only Auxiliary control box electric heat only 5 1 4 in Control box 8 5 16 in See Detail A and B for Field p...

Page 27: ...6 35 13 16 44 5 16 63 5 16 C 7 5 8 7 1 8 8 7 8 7 1 8 7 5 8 D 18 24 30 42 60 E 19 5 16 24 5 16 33 13 16 42 5 16 61 5 16 F 19 3 4 23 3 4 31 3 4 39 3 4 59 3 4 Notes 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 section for locations All duct collar dimensions are to the outside of the collar See the Fresh ...

Page 28: ...ntrol wiring Front outlet louvers Control box Optional disconnect switch 7 5 8 in 4 7 16 in 6 15 16 in Front inlet louvers 6 7 16 in A H Wall opening F Front panel J Wall opening 15 1 2 in 7 in G B 4 5 8 in dia keyslot hanger holes 1 in 4 15 16 in 7 in E Front panel Coil connections Auxiliary drain pan 1 1 8 in 1 in Wall opening Power wiring 7 8 in or 1 3 32 in KOs Front control access optional 15...

Page 29: ... 16 64 13 16 D 17 5 16 22 5 16 31 13 16 40 5 16 59 5 16 E 47 51 63 65 1 2 89 1 2 F 30 30 30 33 1 2 33 1 2 G 2 3 8 2 3 8 2 3 8 4 1 8 4 1 8 H 42 48 57 63 87 J 26 1 2 26 1 2 26 1 2 27 1 2 27 1 2 Notes 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 section for locations All duct collar dimensions are to the ...

Page 30: ...connection for 3 8 in ID tube Main drain connection for 7 8 in OD copper tube and clamp 5 7 16 in 1 9 16 in 10 in Bottom View Back Back Front Front Power wiring bottom and side 7 8 in KO 6 1 2 in 1 in 2 5 8 in DETAIL A Electric heat only DETAIL B Non electric heat only Front View RH Piping 6 in B 6 in Auxiliary control box electric heat only 5 1 4 in 6 11 16 in Control box Front inlet open or bar ...

Page 31: ... C 7 5 8 7 1 8 8 7 8 7 1 8 7 5 8 D 18 24 30 42 60 E 19 5 16 24 5 16 33 13 16 42 5 16 61 5 16 F 41 5 16 46 5 16 55 13 16 64 5 16 81 5 16 G 49 5 16 54 5 16 63 13 16 72 5 16 n a Notes 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 section for locations All duct collar dimensions are to the outside of the co...

Page 32: ... shown Left hand connection locations are mirror image 14 1 2 in 16 in 5 8 in duct collar 14 9 16 in 1 15 16 in 2 in Main drain connection for 7 8 in OD copper tube and clamp 14 in 1 5 16 in 15 1 8 in 13 1 4 in Filters Airflow Front View RH Piping 7 8 in 7 8 in KO Control wiring 1 13 16 in B 1 13 16 in 7 8 in 2 5 8 in dia keyslot hanger holes 3 9 16 in 7 1 4 in 3 1 4 in 6 7 16 in A E 10 3 4 in Fro...

Page 33: ...33 3 4 42 1 4 Operating Weight 109 139 147 Shipping Weight 96 123 131 Notes 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 section for locations All duct collar dimensions are to the outside of the collar See the Fresh Air Openings Locations section for dimensions Serviceability for some components withi...

Page 34: ...lamp Air flow 14 9 16 in 1 15 16 in 2 in 14 1 2 in 1 5 16 in Filters 9 11 16 in Power wiring bottom only 7 8 in KO 6 7 8 in 1 1 8 in Coil connections Auxiliary drain pan Control box Front View LH Piping Front View RH Piping 7 8 in B 7 8 in 7 8 in KO Control wiring 1 13 16 in 1 13 16 in 2 5 8 in dia Keyslot hanger holes Control box Main power access Bottom of control box 2 11 16 in Front inlet bar ...

Page 35: ... 4 Operating Weight 125 155 164 Shipping Weight 112 139 148 Notes 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 section for locations All duct collar dimensions are to the outside of the collar See the Fresh Air Openings Locations section for dimensions Serviceability for some components within this uni...

Page 36: ... Electric heat only Non electric heat only Front Inlet and outlet options Top inlet duct collar 3 11 16 in 26 13 16 in 2 5 8 in Bottom inlet duct collar 6 in 28 3 4 in Air flow 10 5 16 in 4 in 3 11 16 in Front inlet and outlet louvers F G H G Top inlet duct collar optional 4 5 8 in dia Keyslot hanger holes See Detail A and B for Field power connections 7 5 16 in 5 1 4 in Auxiliary control box elec...

Page 37: ... 5 8 D 18 24 30 42 60 E 19 5 16 24 5 16 33 13 16 42 5 16 61 5 16 F 19 3 4 23 3 4 31 3 4 39 3 4 59 3 4 Operating Weight 97 125 155 164 218 Shipping Weight 84 112 139 148 200 Notes 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 section for locations All duct collar dimensions are to the outside of the coll...

Page 38: ...il B Back Front 1 3 8 in 2 7 8 in 1 in 2 5 8 in 6 1 2 in 6 1 4 in 1 3 32 in KO 7 8 in KO 1 in Wall opening 4 15 16 in 7 in See Detail A and B for Field power connections 4 15 16 in 15 3 8 in Front control access optional 1 1 8 in Control box Coil connections Filters 3 4 in 1 3 4 in 3 4 in 1 3 4 in 6 5 8 in Auxiliary box EH only Junction box non EH only Control box 7 8 in KO Control wiring 6 15 16 ...

Page 39: ... 3 8 2 3 8 4 1 8 4 1 8 E 47 51 63 65 1 2 89 1 2 F 30 30 30 33 1 2 33 1 2 G 26 1 2 26 1 2 26 1 2 27 1 2 27 1 2 H 42 48 57 63 87 Operating Weight 78 88 128 139 253 Shipping Weight 68 78 118 129 243 Notes 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 section for locations All duct collar dimensions are to ...

Page 40: ...ondary drain connection for 3 8 in ID tube Main drain connection for 7 8 in OD copper tube and clamp 1 in duct collar 5 8 in 6 1 8 in 14 1 8 in Back inlet duct collar Filter door used with back duct collar only Filters 3 4 in 1 11 16 in 1 11 16 in 6 3 8 in 2 7 16 in 8 7 8 in 5 5 16 in 6 5 8 in Control box 2 5 16 in 4 9 16 in 1 3 32 in KO 7 8 in KO A Power wiring bottom only 1 1 8 in Coil connectio...

Page 41: ...and opposite the control box Coil connections are 5 8 in O D sweat See the Coil Connections section for locations All duct collar dimensions are to the outside of the collar See the Fresh Air Openings Locations section for dimensions Figure 18 Coil connections for fan coil vertical units 8 3 16 in RHS 5 5 16 in CS 4 7 8 in RHR 4 3 8 in CR 4 in HS 2 5 16 in HR Dimensions are typical to vertical uni...

Page 42: ...al Concealed Horizontal Recessed Recess panel not shown HR HS CR RHS CS RHR 1 in 7 16 in 22 3 8 in CS 21 3 8 in CR 21 1 16 in HR 19 5 16 in HS Dimensions are typical to horizontal unit styles 5 5 16 in CS 4 7 8 in RHS 4 3 8 in CR 8 3 16 in RHS Horizontal Cabinet HR HS CR RHR CS RHS 20 9 16 in RHS 23 7 8 in RHR 2 5 16 in HR 4 in HS ...

Page 43: ... 5 5 16 in HS 4 3 8 in HR 5 5 16 in HS 4 3 8 in HR 5 3 8 in HS 4 7 16 in HR 5 5 16 in HS 4 3 8 in HR 23 3 8 in HS 22 3 8 in HR 20 13 16 in HR 21 13 16 in HS HS HR HS HR HS HR HS HR Vertical Concealed Vertical Recessed recess panel not shown Vertical Cabinet Vertical Slope Top Cabinet Vertical Wall Hung Cabinet Bottom of Vertical Units ...

Page 44: ...ts and inverted vertical units Horizontal Concealed Horizontal Recessed recess panel not shown 1 in 4 3 8 in HR 5 5 16 in HS 7 16 in 22 3 8 in HS 21 3 8 in HR HR HS Horizontal Cabinet 4 3 8 in HR 5 5 16 in HS Inverted Vertical Cabinet HR HS 4 7 16 in HS 5 7 16 in HR 4 3 8 in HR 5 5 16 in HS Inverted Vertical Recessed HR HS 2 13 16 in HS 3 13 16 in HR ...

Page 45: ...k 1 5 8 in Outside air opening top Keyslot hanger holes 1 5 8 in 2 15 16 in Top View Horizontal Cabinet Horizontal Concealed and Recessed Outside air opening top 3 in 1 in 11 16 in 3 in Side View Outside air opening top 3 in 1 5 8 in 11 16 in A 1 5 8 in 2 15 16 in Side View Outside air opening back 3 in Outside air opening back Table 16 Fresh air opening dimensions inches for horizontal units Unit...

Page 46: ...ening bottom 2 15 16 in Keyslot hanger holes 1 5 8 in Vertical Cabinet and Vertical Slope Top Cabinet Front View Side View Vertical Concealed and Recessed Keyslot hanger holes 2 15 16 in 1 5 8 in 3 in 3 4 in 1 in 3 in Outside air opening back Outside air opening bottom Outside air opening bottom 3 in 11 16 in 1 in Outside air opening back 3 in Table 17 Fresh air opening dimensions inches for verti...

Page 47: ... and bottom B A 5 8 in 1 2 in 1 3 8 in 1 8 in Woven aluminum insect screen Clearance for drainage 4 in 1 2 in 3 4 in 1 8 in 1 8 in Continuous mortar ribs top and bottom Table 18 Wall box dimensions inches Unit Size ref only Dimensions A x B Internal 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 ...

Page 48: ...nt View ISO Rear view ISO Table 19 Projection panel dimensions inches Unit Size 02 03 04 06 08 10 12 A 47 51 63 65 1 2 89 1 2 B 30 30 30 33 1 2 33 1 2 Table 20 Projection panel dimensions inches Unit Size All sizes C 2 2 1 2 3 3 1 2 4 4 1 2 5 5 1 2 6 2 D 1 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 1 1 8 E 8 5 8 8 1 8 7 5 8 7 1 8 6 5 8 6 1 8 5 5 8 5 1 8 4 5 8 8 5 8 ...

Page 49: ...inage 4 Verify that wall and ceiling openings are properly cut per the unit submittals 5 Verify that installation of horizontal concealed units meets the national Fire Protection Association N F P A Standard90A or 90Bconcerningthe use of concealed ceiling spaces as return air plenums Verify correct ceiling opening dimensions on unit submittals Secure the unit and any accessory items properly to th...

Page 50: ... tabs while holding the panel close as possible to the cabinet While the bottom tabs are engaged slide the front panel upwardenoughto allow the top engagingedge of the front panel to lap over the engaging edge of the unit This should allow the panel to drop down and lock into position On recessed units install the front panel by aligning and locking together the interlocking support channel of the...

Page 51: ...s on screws 6 Swing the bottom panel upward into position Hook the safety chain to the bottom panel and the unit Tighten the panel to the unit with the fasteners provided NOTICE Unit Leveling All unit panels and filters must be in place prior to unit start up Failure to have panels and filters in place may cause motor overload Table 21 Parts list for trim ring assembly Part description Quantity Bo...

Page 52: ...neral recommendations listed below when installing ductwork for the unit Discharge ductwork should run in a straight line unchanged in size or direction for a minimum equivalent distance of three fan diameters from the unit approximately 20 inches When making duct turns and transitions avoid sharp turns and use proportional splits turning vanes and air scoops when necessary When possible construct...

Page 53: ...ical coil Balance fitting Typical coil Circuit setter Deluxe with manual circuit setter Deluxe with autoflow 2 way main or auxilliary water valve 2 way main or auxilliary water valve 3 way main or auxilliary water valve 3 way main or auxilliary water valve Circuit setter Circuit setter Supply connection Supply connection Supply connection Supply connection Return connection Return connection Retur...

Page 54: ... from getting burned when making sweat connections Be sure to pull the hoses back through and route to the auxiliary drain pan when the end panel has cooled 3 Solder the joint using bridgit lead free solder ASTM B32 89 to provide a watertight connection Avoid overheating factory soldered joints when soldering field connections to the coil to prevent leakage from occurring 4 Insulate all piping to ...

Page 55: ... units with either a Tracer ZN010 ZN510 ZN520 UC400 B or the customer supplied control interface The float switch mounting bracket and coiled leads ship attached inside the piping end pocket of the unit Install the switch by placing the hole or slot in the bracket over the condensate overflow drain of the auxiliary drain pan with the switch float extending over the pan Secure the drain pan by atta...

Page 56: ...minate radio frequency interference RFI Venting the Hydronic Coil The hydronic coil contains a vent either manual or automatic to release air from the unit This vent is not sufficient for venting the water piping system in the building The coil air vent is on the piping side above the coil connections on the unit See the figures below Perform the following steps to vent the coil after installing t...

Page 57: ...the appropriate valve curve shown in Figure 35 p 57 to determine which setting is necessary to achieve the appropriate pressure drop The M line is the appropriate line 3 Carefully remove the Schrader pressure port connectioncapsonthemanualcircuitsetter sincethey will be at the same temperature as the pipeline 4 Bleed all air from the hoses and meter before reading the pressure drop Refer to the ga...

Page 58: ...2 Valve stroke time Valve Selection End Stop Position Stroke Time Seconds 1 2 in 2 way 1 4 Cv No end stop 75 1 2 in 2 way 2 4 Cv 5 55 3 4 in 2 way 3 4 Cv 6 62 1 2 in 3 way 1 0 Cv No end stop 75 1 2 in 3 way 2 7 Cv No end stop 75 3 4 in 3 way 4 6 Cv No end stop 75 Table 22 Valve stroke time continued Valve Selection End Stop Position Stroke Time Seconds Table 23 Actuator clip setting 2 way Valve Bo...

Page 59: ...e following steps a Position the steam trap discharge at least 12 inches below the condensate return connection 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 pressure ...

Page 60: ...potential When wiring sensors and other input devices to the Tracer controller avoid creating ground loops with grounded conductors external to the unit control circuit Ground loops can affect the measurement accuracy of the controller Allinput output circuits except isolated relay contacts and optically isolated inputs assume a grounded source either a ground wire at the supply transformer to con...

Page 61: ...0 5 0 8 0 22 0 13 0 4 0 6 0 24 0 24 12 0 7 1 3 0 22 0 13 0 5 0 9 0 22 0 13 0 4 0 7 0 24 0 24 Table 28 High static ECMs programmed to reduced FLA mode Unit Size 115 Volt 208 230 Volt 277 Volt FLA HP FLA HP FLA HP 1 2 1 2 1 2 1 2 1 2 1 2 2 1 3 0 13 0 9 0 13 0 7 0 24 3 1 3 0 13 0 9 0 13 0 7 0 24 4 1 7 0 13 1 2 0 13 0 9 0 24 6 2 3 0 22 1 6 0 22 1 2 0 24 8 3 1 0 22 1 8 0 22 1 5 0 24 10 1 4 2 0 22 0 13 ...

Page 62: ...0 3 70 220 240 50 1 2 3 00 12 50 220 240 50 3 3 3 00 7 30 380 415 50 3 4 3 00 4 20 03 208 60 1 2 4 50 21 70 240 60 1 2 6 00 25 00 277 60 1 2 6 00 21 70 208 60 3 3 4 50 12 60 240 60 3 3 6 00 14 50 480 60 3 4 6 00 7 30 220 240 50 1 2 6 00 25 00 220 240 50 3 3 6 00 14 50 380 415 50 3 4 6 00 8 40 04 208 60 1 2 5 70 27 50 240 60 1 2 7 50 31 30 277 60 1 2 7 50 27 10 208 60 3 3 5 70 15 90 240 60 3 3 7 50...

Page 63: ... 3 10 9 3 3 15 9 5 21 7 240 60 1 2 3 0 12 5 4 5 18 8 6 25 0 277 60 1 2 3 0 10 9 4 5 16 3 6 21 7 208 60 3 3 2 3 6 3 3 3 9 2 5 12 5 240 60 3 3 3 0 7 3 4 5 10 9 6 14 5 480 60 3 4 3 0 3 7 4 5 5 5 6 7 3 220 240 50 1 2 3 0 12 5 4 5 18 8 6 25 0 220 240 50 3 3 3 0 7 3 4 5 10 9 6 14 5 380 415 50 3 4 3 0 4 2 4 5 6 3 6 8 4 Unit Size Voltage Wires kW amps ph kW amps ph kW amps ph 10 208 60 1 2 2 3 10 9 3 3 15...

Page 64: ...1 208 60 3 3 1 9 5 7 15 9 240 60 3 3 2 5 7 5 18 1 480 60 3 4 2 5 7 5 9 1 220 240 50 1 2 2 5 7 5 31 3 220 240 50 3 3 2 5 7 5 18 1 380 415 50 3 4 2 5 7 5 10 5 06 208 60 1 2 2 2 7 9 38 0 240 60 1 2 3 0 10 5 43 8 277 60 1 2 3 0 10 5 38 0 208 60 3 3 3 4 7 9 21 9 240 60 3 3 4 5 10 5 25 3 480 60 3 4 4 5 10 5 12 7 220 240 50 1 2 3 0 10 5 43 8 220 240 50 3 3 4 5 10 5 25 3 380 415 50 3 4 4 5 10 5 14 7 Unit ...

Page 65: ...e focuses on unit motors and controls including three new circuit modules developed specifically for this series There are four primary components that enable the technology on your product Trane ECM VelociTach motor control board Standard adapter board CSTI adapter board The motors and modules are combined as systems and cannot work without each other Electronically Commutated Motor ECM The ECM h...

Page 66: ...shooting tools Integrates a versatile configurable auxiliary temperature sensor Incorporates various safety and lockout features such as maintaining proper fan speeds if electric heat is called for Status Display The motor control board contains a four digit seven segment display that is used to present information in a format close to real world language while having a small form factor Most char...

Page 67: ...Adjustment and calibration of the variable speed inputs VSP 0 10V on the system Adjustment calibration or disabling of the optional auto changeover function on CSTI units Otherwise proceed with the mechanical electrical and controls installations as defined in other sections of this manual following all warnings and cautions After installation turn power on Note Specifications subject to change wi...

Page 68: ...displayed the status will loop the following message WARNING Safety Alert You MUST follow all recommendations below Failure to do so could result in death or serious injury All settings take effect immediately including fan startup and enabling of electric heat Caution should be taken to stay clear of hazardous voltages moving parts and electric heat elements while making adjustments to the motor ...

Page 69: ...0 Fst1 Indicates the status being calculated or Fan Motor 1 If off this indicates that either 1 No fan speed is being requested or 2 The fan performance is failing to meet the request refer to ECM Motors p 150 for additional troubleshooting information If on this indicates that the fan is performing correctly and will be used to report fan status correctly depending on FPRV mode yes no Fst2 Indica...

Page 70: ...dons value if changed Long Press Hold in Status Display 3 sec Enters the configuration menu Long Press Hold in Configuration Display 3 sec If on a parameter name toggles to the value If on a parameter value saves the value settings and returns to the parameter name as confirmation Button Decrement Duration Action Short Press in Status Display 1 sec None Short Press in Configuration Display 1 sec S...

Page 71: ...or Display Under special conditions the status display will interrupt briefly to prioritize display of events Notes During error displays the user interface will be disabled until the error is removed or resolved If changes are made to parameters and saved most settings take effect immediately Any change to fan speeds will take effect and cause the configuration menu to exit immediately to begin t...

Page 72: ...ut down LOCK mtr1 Indicates that Motor 1 has experienced a run away or over speed condition and has been shutdown The unit will offer limited limp in performance and Motor 2 will continue to operate but will not be monitored Fan Status function if being used will report an inoperative motor Refer to ECM Motors p 150 to reset the cause must be resolved and the power to the unit cycled Electric heat...

Page 73: ...put of the controller is significantly greater than the floor setting the first point that the motor will turn on will be above the AlM1 and AlM2 value The full range of motor control will not be fully utilized in this case as the motor will never reach the low speed motor analogue input scaling value for Motor 1 and Motor 2 AlM1 and AlM2 The maximum output of the controller needs to be 10V or if ...

Page 74: ... could result in death or serious injury Disconnect all electric power including remote disconnects and discharge all motor start run capacitors before servicing Follow proper lockout 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 ...

Page 75: ... same as the Ehl parameter but in addition will disable heating function on electric heat and on the changeover coil if there are fan failures The auxiliary heating coil function will continue to operate and respond to the customer heating request AiPU parameter should be set to In for CSTI units and to Outfor ComfortLink or BacNet controller units Ai2M parameter defines the temperature at which t...

Page 76: ...nce only and the motor control board label must be used as the ultimate guide for setting up an motor control board on specific units Figure 56 Motor control board label WARNING Safety Alert You MUST follow all recommendations below Failure to do so could result in death or serious injury All settings take effect immediately including fan startup and enabling of electric heat Caution should be tak...

Page 77: ...ive Op Mode Mtr 1 mod1 rpm Sets the operational mode for Motor 1 Must be set to rpm for blower coil units Op Mode Mtr 2 mod2 rpm Sets the operational mode for Motor 2 Must be set to rpm for blower coil units Mtr 1 Out Format sig1 pwM Sets the interface type for Motor 1 Must be set to PWM for blower coil units Mtr 2 Out Format sig2 pwM Sets the interface type for Motor 2 Must be set to PWM for blow...

Page 78: ...pedance of the thermistor input Should be pre set to OUT for Tracer ZN controllers Mt 1 Ramp sec M1rp 3 Sets the ramp rate for Motor 1 in per second Mt 2 Ramp sec m2rp 3 Sets the ramp rate for Motor 2 in per second EH Ramp Accel Ehrp 2 Sets the acceleration factor for the electric heat inputs Is used to force faster ramps when electric heat is requested Ramp MAX Time Mhrp 15 Sets the maximum ramp ...

Page 79: ... the unit remains on exercise the fan controls on the unit either directly or indirectly through request for unit heat cool Observe the fan spinning and then observe the fan display on the motor control board It should display a looping status indicator as follows For a size 200 300 400 600 or 800 unit using typical unit operating fan speeds Mtr1 1080 Mtr2 0 FSt1 On Fst2 Off EhEn On For a size 100...

Page 80: ... needed to commission the unit Entering water temperature sensors and controls are provided whenever a change over coil is selected WhenN O valves are selected inverting relays are provided for use with standard thermostats 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 a...

Page 81: ... wiring Wiring assignments are configured for each unit CSTI Adapter Board Configuration For CSTI units the board mounted switches have to be set appropriately to enable the desired functionality Figure 59 CSTI adapter board and field connections 1 VSP 10V 2 VSP 0 10V 3 VSP DC COM 1 24 Vac B hot 2 24 Vac Y gnd 3 High 4 Medium 5 Low 6 V1Op Cooling 7 V1Cl not std 8 Not used 9 Not used 10 V2Op EH1St ...

Page 82: ...ng based on customer request but have coil water temperatures that are changed over from heating to cooling or cooling to heating depending on the season and the building equipment available Customer thermostats MUST be hooked to the correct terminal strip locations V1 and V2 for the changeover function to work Cooling In general the CSTI changeover function will provide cooling if A unit is facto...

Page 83: ...he Ai2M parameter a The temperature is not in the dead band between the Ai2b parameter and the Ai2M parameter in this case previous state will be retained The customer thermostat is properly hooked up the input strip 1TB3 and is requesting heating input V2 based on the customer heating set point being higher than the space temperature The heating input on 1TB3 will drive the main changeover coil I...

Page 84: ...st Filter maintenance Master slave Water valve override Freeze avoidance Interoperability Three generic I O ports The Tracer ZN520 controller is designed to be used in the following applications As part of a Tracer SC or Tracer Summit building automation system BAS the Tracer ZN520 becomes an important part of the Tracer control system The Tracer ZN520 can function as a completely stand alone cont...

Page 85: ...e nuts to make the splice Do not pass communication wiring between buildings because the unit will assume different ground potentials Do not run power in the same conduit or wire bundle with communication link wiring Note You do not need to observe polarity for LonTalk communication links Recommended Wiring Practices The following guidelines should be followed while installing communication wire L...

Page 86: ...ighten the terminal screw to 0 5 to 0 6 N m 71 to 85 ozf in or 4 4 to 5 3 lbf in 4 Tug on the wires after tightening the screws to ensure all wires are secure as shown on the right Setting the Address The rotary address dials on the UC400 B controller serve one or two purposes depending upon the network they are always used for the MAC Address which is sometimes all or part of the BACnet Device ID...

Page 87: ...rate transformer is recommended for each UC400 B 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 B controllers The transformer must have sufficient capacity Polarity must be maintained for every UC400 B controller powered by the transformer Figure 66 BACnet ...

Page 88: ...roller tomalfunction DO NOT run AC power wires in the same wire bundle with input output wires failure to comply may cause the controller to malfunction due to electrical noise Connecting Wires To connect the wires 1 Disconnect power to the transformer 2 Connect the 24Vac secondary wires from the transformer to the 24Vac and terminals on the UC400 B controller refer to the illustration below 3 Do ...

Page 89: ... to a Tracer unit controller A wireless zone sensor set is an alternative to a wired sensor when access and routing of communication cable are issues The sensor allows flexible mounting and relocation Note A wireless zone sensor set is not compatible with an Air Fi wireless system The Wireless Comm Interface WCI enables wireless communication between system controls unit controls and wireless sens...

Page 90: ...actual range is dependent on the environment See BAS SVX55 EN for more detail Note Rangevaluesareestimatedtransmissiondistances for satisfactory operation Actual distance is job specific and must be determined during site evaluation Placement of WCI is critical to proper system operation In most general office space installations distance is not the limiting factor for proper signal quality Signal...

Page 91: ...Communication Tracer UC400 B delivers single zone VAV control in a stand alone operation or as part of a building automation system using BACnet communications Zone sensors have an internal thermistor and operate on 24 Vac Options with setpoint knobs are available in Fahrenheit or Celsius See Figure 69 through Figure 79 for available options and model number references ZN010 Controller Options ZN5...

Page 92: ...and the sensor for example plastered walls with metal lathe or metal roof decks Thick solid concrete walls between the receiver and the sensor Location Considerations for Wireless Zone Sensors Placement of the sensor is critical to proper operation the receiver is factory mounted For most installations barriers limit proper radio signal strength more than distance For best radio transmission range...

Page 93: ...ne Sensor Dimensions Refer the wall mounted zone sensor dimensions in the figure below Position the sensor on an inside wall three to five feet above the floor and at least 18 inches from the nearest outside wall Installing the sensor at a lower height may give the advantage of monitoring the temperature closer to the zone but it also exposes the sensor to airflow obstructions Ensure that air flow...

Page 94: ...djustment knob from the cover using the blade of a small screwdriver 2 Insert the screwdriver blade behind the cover at the top of the module and carefully pry the cover away from the base 3 To mount the sensor back plate see Figure 81 a Hold the back plate against the mounting surface and mark the screw locations b Secure the back plate against the mounting surface using included hardware 4 To re...

Page 95: ...nts association with a sensor 2 Set the three rotary address switches locations S1 S2 S3 on the sensor to the same address as the receiver Note Do not use 000 as an address An address of 000 removes all association knowledge reverts the sensor to a low power hibernation mode and sends a disassociation request to the receiver 3 Record the address and location of the receiver and sensor pair Observi...

Page 96: ... unsuccessful the sensor automatically re attempts association with the receiver every 10 minutes Note An associated sensor that has lost communication with the receiver will transmit an association request every 50 minutes You can manually initiate association see Manual Association p 135 Testing Signal Strength and Battery To verify that the association process was successful and that the batter...

Page 97: ...erature limits Sensor The end of range temperature setpoint limits for the WDS is 50 Fto 89 6 F Receiver Power up Sequence When power is applied to the receiver one of the following sequences occurs The sequence is dependent on the address setting and the association status of the receiver Address set to 000 and receiver is not associated with a sensor LED5 is constantly On indicating power is app...

Page 98: ... reply the sensor will retransmit the message to the receiver every 30 seconds until communication to the receiver is re established Sensor temperature time variables are as follows The minimum change in zone temperature required to force a sensor transmission is 0 2 F when the temperature range is between 60 F and 80 F 0 5 F when the temperature range is between 32 F and 60 F or between 80 F and ...

Page 99: ... subject to the following two conditions 1 This device may not cause harmful interference and 2 This device must accept any interference received including interference that may cause undesired operation Warning Changes or modifications not expressly approved by the party responsible for compliance could void the user s authority to operate the equipment 20 cm separation distance To comply with FC...

Page 100: ...p 1 on p 99 Note The sensor will revert to operating mode if no buttons are pressed for 10 minutes Figure 93 Center button of keypad Center button Table 42 Configuration options for wireless display sensors Setting Configuration Options Temperature Choose Fahrenheit or Celsius Choose the degree resolution whole degrees half degrees or tenths of degrees Setpoint System Fan Note Not all fan options ...

Page 101: ...he system menu press the down arrow to select the fan menu Use the left or right arrow to choose the setting 3 Press the left and right arrows for 4 seconds Note If you try to access a feature that is locked the locked symbol will appear on the display If you press a keypad button to try change a locked setting the locked symbol will flash WDS Operating Mode This section describes how to operate t...

Page 102: ...d setting appears confirm your choice by pressing the home screen will appear Indicates that the fan setting is On The number of arrows indicates fan speed 3 high 2 medium 1 low The example shown indicates a fan on high speed Not all systems offer all three speeds Indicates that the fan setting is Off Fan Menu Select to request occupancy If you need heating or cooling after normal business hours y...

Page 103: ...be open Remove all foreign material from the drain pan and check the pan opening and condensate line for obstructions For steam coils slowly turn the steam on full for at least 10 minutes before opening the fresh air intake on units with fresh air dampers Electrical Checks Check all electrical connections for tightness Verify motor voltage and amps on all phases with the unit nameplate ratings to ...

Page 104: ...mper cycle with control valve option to maintain setpoint temperature In 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 option closes Low Med High Continuous Fan Fan operates continuously while control valve option cycles to maintain setpoint temperature Fresh air damper opt...

Page 105: ...ch zone sensor is equipped with a thumb wheel for setpoint adjustment Fan Mode Switch The zone sensor may be equipped with a fan mode switch The fan mode switch offers selections of off low medium high or auto Supply Fan Operation Refer to Table 47 for fan mode operation The controller will operate in either continuous fan or fan cycling mode The fan cycles when the fan mode switch is placed in au...

Page 106: ...ption close Low air temperature detection option is still active Auto Fan speed control in the auto setting allows the modulating 3 wire floating point or 2 position control valve option and three speed fan to work cooperatively to meet precise capacity requirement while minimizing fan speed motor energy acoustics and valve position pump energy chilled water reset As the capacity requirement incre...

Page 107: ...andby mode the controller uses the occupied standby cooling and heating setpoints Because the occupied standby setpoints typically cover a wider range than the occupied setpoints the Tracer ZN520 controller reduces the demand for heating and cooling the space Also the outdoor air economizer damper uses the economizer standby minimum position to reduce the heating and cooling demands When no occupa...

Page 108: ... loop determines a need to raise the discharge air temperature The controller then provides heating capacity to raise the discharge air temperature to its low limit Discharge Air Tempering The discharge air tempering function enables when cold outdoor air is brought in through the outdoor air damper causing the discharge air to fall below the discharge air temperature control low limit The control...

Page 109: ...aintain the unoccupied heating and cooling setpoints In unoccupied mode the fan is controlled on high speed only with heating or cooling The unit fan is always off during occupied occupied standby and unoccupied modes when the unit is off due to a diagnostic or when the unit is in the off mode due to the local zone sensor module a communicated request or the default fan speed off If both a zone se...

Page 110: ...ring water temperature is hot because it is unlikely the coil would drift to a high temperature unless the actual loop temperature was very high If the entering water temperature is unusable too cool to heat or too warm to cool the controller closes the hydronic valve and waits 60 minutes before initializing another sampling If the controller determines the entering water temperature is valid for ...

Page 111: ...of the four binary inputs as normally open or normally closed The controller will be set properly for each factory supplied binary input end device When no device is connected to the input configure the controller s input as not used Table 53 Relationship between outdoor temperature sensors and damper position Outdoor Air Temp Modulating Outdoor Air Damper Occupied or Occupied Bypass Occupied Stan...

Page 112: ...ly for the electric heat stage For those 2 pipe changeover units electric heat will not be energized while the hydronic supply is hot 5 or more above the space temperature J1 6 Cool valve close Note 1 J1 9 Heat valve open or 2 position valve or 1st electric heat stage a J1 10 Heat valve close or 2nd Electric heat stage a J1 11 Fresh air damper open J1 12 Fresh air damper close TB4 1 Generic basebo...

Page 113: ...rmine the controller s active setpoint When a building automation system or other controller communicates a setpoint to the controller the controller ignores the hard wired setpoint input and uses the communicated value The exception is the unoccupied Table 57 Zone Sensor Thermistor Curve Resistance in Ohms C F R C F R C F R C F R 0 32 32885 25 77 10004 50 122 3759 75 167 1484 1 33 8 31238 26 78 8...

Page 114: ...ng the on button during unoccupied mode places the controller in occupied bypass mode for 120 minutes You can adjust the number of minutes in the unit controller configuration using Rover service tool The controller remains in occupied bypass mode until the override time expires or until you press the Cancel button Communication Jack Use the RJ 11 communication as the connection point from Rover s...

Page 115: ...D flashes red Important Flashing red does not indicate that the controller will fail to operate Instead the point s that 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 is intended to prevent all units in a building from energizing at the same time The random start timer delays the fan and a...

Page 116: ...controller is in any mode other than unoccupied mode when the ON button is pressed the controller still starts the occupied bypass timer without changing to occupied bypass mode If the controller is placed in unoccupied mode before the occupied bypass timer expires the controller is placed into occupied bypass mode and remains in this mode until either the CANCEL button is pressed on the Trane zon...

Page 117: ...s a valid entering water temperature value If the entering water temperature value is less than 5 F 2 8 C above a valid zone temperature value for hydronic heating and greater than 5 F 2 8 C below a valid zone temperature value for hydronic cooling the sampling function is enabled When the sampling function is enabled the controller opens the main hydronic valve to allow the water temperature to s...

Page 118: ...e outside air damper position at which the exhaust fan turns ON The exhaust fan turns OFF when the fan either turns OFF or the outdoor air damper closes to 10 percent below the exhaust fan enable position If the exhaust fan damper enable setpoint is less than 10 percent the exhaust output is energized if the outdoor air damper position is at the setpoint and de energized at 0 Valve Operation The c...

Page 119: ...utdoor Air Damper The controller supports two position outdoor air damper actuators However a modulating outdoor return air damper actuator can be used for two position control Two position control can be achieved by not providing an outdoor air temperature neither hard wired nor communicated to the controller and by setting the damper minimum position using the Tracer TU service tool to the desir...

Page 120: ...d out until it is manually reset Note Freeze protection will also perform a smart reset Low Coil Temperature Protection For more information refer to BAS SVX48 EN Tracer UC400 UC400 B Programmable Controllers for Blower Coil Fan Coil and Unit Ventilator Installation Operation and and the preceding the Smart Reset section Condensate Overflow For more information refer to BAS SVX48C EN Tracer UC400 ...

Page 121: ...the freeze avoidance setpoint configurable using the Tracer TU service tool Thecontrollerdisablesfreeze avoidancewhenthe outdoor air temperature rises 3 F 1 7 C above the freeze avoidance setpoint The following occurs when the controller is in freeze avoidance mode Valves are driven open to allow water to flow through the coil Fan is OFF Economizing is disabled The outdoor return air damper is clo...

Page 122: ...d licensed electrician or other individual who has been properly trained in handling live electrical components perform these tasks Failure to follow all electrical safety precautions when exposed to live electrical components could result in death or serious injury Maintenance Checklist Frequency Maintenance Every week Observe unit weekly for any change in running condition and unusual noise Ever...

Page 123: ...terials Hydronic Coil Winterization Water coil winterization procedures consist primarily of draining water from the coil before the heating season Trane recommends flushing the coil with glycol if coils will be exposed to temperatures below 35 degrees Install field fitted drains and vents to permit winterization of coils not in use and to assist in evacuating air from the water system during star...

Page 124: ...appen to form This simple preventative measure effectively combats microbial growth and curbs moisture related deterioration of air handling components Cleaning Non Porous Surfaces If microbial growth on a non porous insulating surface closed cell insulation or sheet metal surface is observed 1 Disconnect all electrical power to the unit 2 Wearing the appropriate personal protective equipment use ...

Page 125: ...n Drain Pan Horizontal Unit To remove the main drain pan on a horizontal unit 1 Peel the insulation from the edges of the pan s underside to access the mounting screws see the figure below 2 Remove the screws and lower the end of the drain pan closest to the control box 3 Remove the drain spout by pulling it from the hole in the chassis end panel Vertical Unit To remove the main drain pan on verti...

Page 126: ... percent at 0 3 micron particle size 5 Thoroughly clean any contaminated area s with a mild bleach and water solution or an EPA approved sanitizer specifically designed for HVAC use 6 Immediately rinse the affected surfaces thoroughly with fresh water and a fresh sponge to prevent potential corrosion of metal surfaces 7 Allow the unit to dry completely before putting it back into service 8 Be care...

Page 127: ...ove the two fan board mounting screws 4 Slide the fan board out horizontally to remove Horizontal Units 1 Open the bottom panel of cabinet and recessed models 2 Remove the main drain pan following the instructions given under the drain pan section above for horizontal fan coil units 3 While supporting the fan board in place remove the two fan board mounting screws which secure the fan board to the...

Page 128: ...ing side entirely through the trough on the fan board On vertical fan coil units with drain pans a drain pan support covers most of the wiring Please be sure to remove or secure the wiring before removing fan board Fan board attachment screws are located on the front left and right edges of fan boards and may be concealed by gasketing Horizontal Units In horizontal units wiring to the motor is rou...

Page 129: ...ousing and loosen fan Allen screw on first fan Loosen the wheel of the other if a double shafted motor 6 Unscrew the motor and remove 7 Insert the replacement motor plug must face front of fan board and drive the screws in with 100 in lb of torque Figure 107 Motor attachment screws are behind motor WARNING Hazardous Voltage w Capacitors Failure to disconnect power and discharge capacitors before s...

Page 130: ...e voltage Check for loose connections Determine adequacy of main power supply Motor does not come up to speed Low voltage at motor terminals Check across AC line and correct voltage loss if possible Line wiring to motor too small Replace with larger sized wiring Motor overheats Overloaded motor Reduce load or replace with a larger motor Motor fan is clogged with dirt preventing proper ventilation ...

Page 131: ...ion Verify proper valve size Incorrect refrigerant charge Verify refrigerant charge and adjust if necessary Condensing unit failure Verify condensing unit operation Coil is piped incorrectly Verify coil piping see Coil Piping and Connections p 53 Clogged refrigerant line filter Change filter core Failure of suction liquid line components Verify component operation Dirty fin surface Clean the fin s...

Page 132: ...1 Off LED2 Off LED3 2 blink pattern repeated continuously1 Address set to 000 Address not set to between 001 999 LED1 Off LED2 Off LED3 3 blink pattern repeated continuously1 Not configured Receiver configuration properties not properly set defective receiver Note 1Blink pattern is On for 1 4 s Off for 1 4 s with 2 s Off between repetitions Table 64 Diagnostics for wireless zone sensors and error ...

Page 133: ...munication LED1 Off LED2 On LED3 On Displays for 5 seconds then constantly Off Satisfactory signal strength Adequate signal strength for reliable communication Moving sensor or receiver may improve signal strength Increased channel switching may reduce battery life LED1 Off LED2 Off LED3 On Displays for 5 seconds then constantly Off Poor signal strength Unreliable communication Strongly recommend ...

Page 134: ...he sensor ships with Energizer L91 batteries already installed Replacement batteries are available at Trane Service Parts Centers p n X13770035010 or other local suppliers Battery Life Battery life is five years under normal conditions If the sensor is not used for an extended period of time do one of the following Set the sensor address to 000 to place the sensor into a low power hibernation mode...

Page 135: ...proper functioning Disassociation The receiver disassociates from the sensor by removing all stored association information conducts a channel scan and restarts itself if any of the following are true The receiver address is changed from its current setting 001 999 The receiver receives a disassociation notification from its associated sensor The receiver does not receive a communication from its ...

Page 136: ...ring Output Resistance 4 When the testis complete reset thereceiver address to its previous setting 5 Press the Test button on the sensor to force re association 6 Confirm association and communication by noting LED1 LED2 and LED3 as described in Testing Signal Strength page 133 Forcing a Sensor to Transmit To force a wireless sensor to transmit during servicing press the Test button on the sensor...

Page 137: ...nsmitting communication data Refer to the table below Table 70 Receiver resistance table for all models Zone or setpoint temperature Nominal zone temperature output resistance Nominal setpoint heating setpoint output resistance 55 F 12 8 C 17 47 kΩ 792 Ω 60 F 15 6 C 15 3 kΩ 695 Ω 65 F 18 3 C 13 49 kΩ 597 Ω 70 F 21 1 C 11 9 kΩ 500 Ω 75 F 23 9 C 10 5 kΩ 403 Ω 80 F 26 7 C 9 3 kΩ 305 Ω 85 F 29 4 C 8 2...

Page 138: ...advance through the test sequence The outputs are not subject to minimum times during the test sequence However the test sequence only permits one step per second which limits minimum output time The green LED is turned off when the TEST button is pressed To begin the manual output test mode press and hold the TEST button turningoff the green LED for at least two seconds The green LED will begin t...

Page 139: ...ic diagnostic reset function clears the special diagnostic and attempts to restore the controller to normal operation The controller resumes normal operation until another diagnostic occurs Note The automatic diagnostic reset function does not operate during the manual output test sequence If a special diagnostic occurs within 24 hours after an automatic diagnostic reset the controller must be man...

Page 140: ...rd heat Off Low air flow fan failure Off Valves Closed Fresh air damper Closed Electric heat Off Baseboard heat Off Space temperature failure Off Valves Closed Fresh air damper Closed Electric heat Off Baseboard heat Off Entering water temp failure On Valves Enabled1 Fresh air damper Enabled2 Electric heat Enabled2 Baseboard heat Off Discharge air temp low limit Off Valves Open Fresh air damper Cl...

Page 141: ... auto position the unit fan cycles off when there is no call for heating or cooling The heating cooling sources cycle on or off periodically with the unit fan to match the capacity according to pulse width modulation PWM logic Unoccupied operation The fan cycles with capacity when the unit is in unoccupied mode This occurs even if the unit is in continuous fan operation While unoccupied the fan cy...

Page 142: ...Diagnostic present A specific list of diagnostics affects valve operation For more information see Table 77 and Table 78 p 140 Sampling logic The controller includes entering water temperature sampling logic that automatically invokes during 2 pipe or 4 pipe changeover to determine if the entering water temperature is correct for the unit operating mode Refer to Water Temperature Sampling Function...

Page 143: ...er stays closed Probable Cause Explanation Normal operation The controller opens and closes the fresh air damper based on the controller s occupancy mode and fan status Normally the fresh air damper is open during occupied mode when the fan is running and closed during unoccupied mode Warmup and cooldown The controller includes both a warmup and cooldown sequence to keep the fresh air damper close...

Page 144: ...nk 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 the communication status shows down all of the time In addition check polarity and baud rate For more ...

Page 145: ...Smart Reset Diagnostics Smart Reset Diagnostics are latching diagnostics that will auto recover if the condition is corrected After the controller detects the first smart reset diagnostic the unit waits 30 minutes before initiating the smart reset function If another diagnostic of this type occurs again within 24 hours after an automatic clearing clear the diagnostic manually by using any of the w...

Page 146: ... Valves Unaffected Outdoor air damper Unaffected DX cooling electric heat Unaffected Automatic CO2 sensor failure Invalid or missing value for CO2 Fan Unaffected Valves Unaffected Outdoor air damper Unaffected DX cooling electric heat Unaffected Informational Generic AIP failure Invalid or missing value for generic analog input Fan Unaffected Valves Unaffected Outdoor air damper Unaffected DX cool...

Page 147: ... 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 desired operating mode such as OFF heat and cool to the controller If OFF is communicated to the controller the unit controls the fan to off There is no heating or cooling Valves with UC400 B Controller Table 88 Valves remain closed Probable Cause Expl...

Page 148: ...or capacity or any other time the fan is OFF DX Coils or Electric Heat with UC400 B Controller Table 90 DX or electric heat does not energize Probable Cause Explanation Unit wiring The wiring between the controller outputs and the end devices must be present and correct for normal operation Refer to applicable wiring diagram Failed end device Check the control contactors or the electric heat eleme...

Page 149: ...he unit configuration does not match the actual end device the outdoor air damper may not work correctly Warm up and cool down sequence The controller includes both a morning warm up and cool down sequence to keep the outdoor air damper closed during the transition from unoccupied to occupied This is an attempt to bring the space under control as quickly as possible Requested mode off The user can...

Page 150: ... ECM Refer to Adjustments p 72 for configuration of the motor control board The VelociTach motor control board will display troubleshooting information and contains dual tachometers to aid in performance verification Under normal circumstances the VelociTach display will display the operational status of the motors and electric heat circuit sensors however a malfunction will drive a priority displ...

Page 151: ...tor has been locked out due to engine locked rotor protection Motor 1 has an obstruction Status Display will be interrupted to display LOCK Mtr1 LRPT Remove obstruction from the fan wheel Ensure that motor plugs and all plugs to adapter boards and the ECM engine board are secure Verify that the configuration does not specify a motor that is physically missing Most units require only one motor The ...

Page 152: ... plug harness is absent for 208 230V units and 277V units If the jumper is present for these units the motor electronics will be damaged and the motor will not be controllable Fan speed request too low Verify that the fan speed request is not below 450 rpm Speeds below 450 rpm are not supported on the fan coil product Inputs not of consistent polarity Verify that the all binary inputs to the custo...

Page 153: ...essary to configure the VelociTach board to avoid improper operation of the unit discomfort to the end user and loud fan operation 5 Ensure that the CSTI adapter board switches are set correctly as indicated in the unit schematic where applicable shown in Figure 114 NOTICE Equipment Damage Failure to follow this instruction could result in equipment damage The motor harness attached to the single ...

Page 154: ...em problems or other equipment interaction Performance Boundaries While the speeds of the fan motors can be adjusted never 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 The VelociTach motor control board contains setti...

Page 155: ...er temperature operation Damper operation Condensate overflow switch A high degree of protection is provided on electric heat units If electric heat fails to actuate it may be because of one of the following events Fans are failing to meet target speed If a second motor is not present all settings for speeds for Motor 2 should be set to 0000 Hot water may be available in the changeover coil The co...

Page 156: ...A1 1 1 0 VDC AI1 0 1 0 V AO 1 P WM AO C OM AO 2 P WM B O 1 B O 1 AI1 C OM G N D Set 1U3 BLUE J12 2 24V Y J12 1 24V B 4 6 J6 2 TP2 J6 1 TP1 115A 113A 114A J21 4 J21 3 J21 2 J21 1 TB2 5 117A 116A TB2 6 COM IMC COM J11 4 J11 3 IMC J20 FOR FACTORY USE ONLY 1T1 24V 1J14 1 1P14 1 1J14 3 1J14 2 1J14 4 1P14 3 1P14 2 1P14 4 P 6 P 2 P 8 P 4 P 3 P 5 P 1 J 4 2 P WM1 J 4 3 R P M1 1J17 1 1J17 2 B L K B L U B L ...

Page 157: ...unit with dual stage electric heat and damper actuator SAMPLE E M M M M M M E E M M M M SAMPLE E E E E E E E E E E E E E E E AM SA SA SA SA SA SA SA A SA A A A A SA A A SA SA S S S S SA A A A S S S S S SAM A AM SAMPLE AM AM A A AM AM AM A A AM AM S S S E E E E E E E E E E E E E E ...

Page 158: ...WM B O 1 B O 1 AI1 C OM Set J14QC 1U3 BLUE J12 2 24V Y J12 1 24V B 4 6 1K4C opt 1K4B opt 1K4A 113A 114A J21 4 J21 3 IMC J11 4 J11 3 IMC 113A 114A J21 4 J21 3 IMC J11 4 J11 3 IMC J20 FOR FACTORY USE ONLY 1T1 24V 1J14 1 1P14 1 1J14 3 1J14 2 1J14 4 1P14 3 1P14 2 1P14 4 P 6 P 2 P 8 P 4 P 3 P 5 P 1 J 4 2 P WM1 J 4 3 R P M1 1J17 1 1J17 2 1J19 1 1J19 2 1J19 4 1P18 1 1P18 2 1P18 4 1J18 1 1J18 2 P 7 10 10 ...

Page 159: ... receiver PLE E E E E E E E E E E E E LE LE E L LE PL PL PL PL PL PL PL L L L L L L LE E E E E E E E E E E E E E E SAMP SA SA S S S S M M M M M M M M AM AM AM AM AM M M M AMP SAMP S S S S S S PLE M M M M M MP P MP P P P P PL SA S S SA S S SA S S S S S S S S S S S S S S S S S SA SA SA SA SA A A A A A S S S S S S S SA SA SA SA SA A A SA A SA ...

Page 160: ...verflow switch and wall mounted zone sensor LE E E E E E E E L L L L L L L L L LE LE LE LE LE LE LE LE LE LE LE E E E E E E AMPL SAMPL AM A A A A A P P P P P P P MPL M L PL SAMPL S S S SA L S S P P P P PL PL L L S S SAM A SA A A SA SA SA SA SAM A A SA SA S SA A SA SA S S S SA A A A A A A A A A AM M M A A A AM AM AM AM AM AM AM AM ...

Page 161: ...ea Location Control Panel Control End Piping End Fan Section Coil Section Customer Installed Field Supplied Device 1 2 3 4 5 6 7 1S1 Disconnect Switch 3 24 1U1 Main Board ZNX10 23 2U2 Fan Switch 27 3L1 3L2 Main Coil Valve Heating Coil Valve 34 36 Zone Sensor Module 6U2 23 481 E E E E E E E E E E E E E E E E E E E E E E E E E E E PLE LE LE LE LE P P P P P P P P P P P P P P P SAMP M AM M AM AM AM M ...

Page 162: ...MPL LE MP M MP M AM M AM E E E E E A E E E E E E E E LE E E L L L LE E E E E E E E E E E E E E E PLE PLE M M M MP M M M M A S S S S S SA SA S SA S S S S S SA S S S S S S S S S S S S S SA SA SA SA SA SA SA SA SA SA AMPL P P PL L L L L L PL PL PL PL PL PL PL PL PL PL PL PL P P M M M M M M MP MP P ...

Page 163: ......

Page 164: ...t 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 ingersollrand com Ingersoll Rand has a policy of continuous product and product data improvement and reserves the right to change design and specifications without notice We are committed to using environmentally conscious...

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