Trane LPC Install And Operation Instructions Download | Manualshive

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LPC-SVX01C-EN

Operation

sequence of
operation

Low ambient damper lockout

The controller closes the outdoor air
damper during any heating, cooling,
or economizer mode of operation or
occupancy when extreme outdoor air
temperatures exist. This condition
disables outdoor air damper ventilation
and economizing functions, but low
ambient damper lockout does not
affect other unit operations.

The outdoor air temperature must rise
9°F (5°C) above the low ambient damper
lockout setpoint before economizing and
ventilation become possible again.

Exhaust fan operation

This sequence applies to both space
temperature control and discharge
air temperature control.

The exhaust fan/damper is coordinated
with the unit supply fan and outdoor
damper operation. The exhaust output is
energized only when the unit supply fan is
operating and the outdoor damper
position is greater than or equal to the

configurable exhaust fan start setpoint.
The exhaust fan output is disabled when
the outdoor air damper position drops
10% (configurable) below the exhaust fan
start setpoint. If the enable point is less
than 10% (configurable), the unit turns On
at the start setpoint and Off at zero.

The controller logic commands the
exhaust fan to be energized/de-energized
based on the target position of the
economizing damper. Because of device
stroke time, the state of the exhaust fan
may change before the economizing
damper reaches its target position.

If the exhaust fan start setpoint is set at or
lower than the outdoor air damper
minimum position, the exhaust fan will be
On continuously when the outdoor air
damper is at minimum position.

If the exhaust fan start setpoint is set
higher than the outdoor air damper
minimum position (minimum ventilation)
the exhaust fan will be Off during periods
of minimum ventilation. During econo-
mizer cooling operation the exhaust fan
start setpoint can be selected to compen-

sate for the increased outdoor ventilation.

The exhaust fan status binary input is
present to detect operation of a belt-
driven exhaust fan. An Exhaust Fan Air
Flow diagnostic is detected when the
control starts the exhaust fan and the
exhaust fan status binary input does not
indicate operation after two minutes. This
is an exhaust fan latching diagnostic and
discontinues exhaust operation until the
diagnostic is reset. All other control
functions continue to operate normally.

Electric heat operation

This sequence applies to both space
temperature control and discharge air
temperature control, with differences as
noted.

The Tracer AH540/541 supports two
methods of controlling staged electric
heat:
1.

Staged electric heat using binary

outputs.

2.

Staged electric heat using a sequencer

For details, see “Staged electric heat”.

Table O-SO-10. Relationship between outdoor temperature sensors & damper position

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Summary of Contents for LPC

Page 1: ...LPC SVX01C EN Installation Operation andMaintenance Packaged Climate Changer Air Handler Model LPC FO and later design sequence 1 500 to 15 000 cfm July 2006 ...

Page 2: ... energized Verify with an appropriate voltmeter that all capacitors have discharged Failure to disconnect power and discharge capacitors before servicing could result in death or serious injury CAUTION Use Copper Conductors Only Unit terminals are not designed to accept other types of conductors Failure to use copper conductors may result in equipment damage Special Note on Refrigeration Emissions...

Page 3: ...EN Packaged Climate ChangerAir Handler Catalog CLCH PRC007 EN Installation 2 general information 2 dimensions weights 14 pre installation considerations 27 mechanical requirements 29 electrical requirements 33 installation procedure 36 pre startup requirements 40 Operation 43 general information 43 sequence of operation 59 Maintenance 86 diagnostics 86 troubleshooting 89 maintenance procedures 96 ...

Page 4: ...d recycling equipment per the MSDS Use equipment and methods which will pull the lowest possible system vacuum while recovering and condensing refrigerant Equipment capable of pulling a vacuum of less than 1 000 microns of mercury is recommended Do not open the unit to the atmosphere for service work until refrigerant is fully removed recovered When leak testing with trace refrigerant and nitrogen...

Page 5: ... row hot water coil reheat or preheat with 9 12 or 14 fpi 1 row steam coil 6 fpi reheat or preheat Forward curved fan fixed pitch or variable pitch sheaves constant volume or variable air volume Control options control interface Tracer AH540 DDC controller Belt driven motor Internal spring isolation optional 1 2 to 20 hp 650 to 1900 rpm Access section option with or without preheat coil one or two...

Page 6: ...nt where lights are located Note 1 United States Environmental Protec tionAgency A Brief Guide to Mold Moisture and your Home Brochure EPA 402 K 02 003 It s available online at www epa gov Enter guide to mold in the search box to view Installation general information WARNING Equipment Damage From Ultraviolet UV Lights Trane does not recommend field installation of ultraviolet lights in its air han...

Page 7: ... Vertical Unit Back Top Fan Discharge Vertical Unit Top Back Fan Discharge Vertical Unit Top Front Fan Discharge Electric Heat Section Optional Section Main Unit Section Configurations Vertical Unit Front Top Discharge Horizontal Unit Front Top Discharge OR TopFront Horizontal Unit Fan Discharge Option TopFront TopBack BackTop Vertical Unit Fan Discharge Options Face Bypass Section Optional Sectio...

Page 8: ... 9 0 11 2 11 0 13 2 width in Notes5 7 24 0 24 0 24 0 24 0 length in Notes6 7 54 0 67 0 66 0 79 0 weight lbs 31 7 54 8 74 8 86 0 114 1 123 3 157 6 179 9 200 0 224 2 Fan motordata fan wheel size in 9x7 12x9 12x12 15x15 18x15 18x18 20x15 20x20 20x18 22x20 maxrpm 2000 1500 1700 1400 1200 1200 1100 1000 1300 1150 motorHP 1 2 2 1 2 3 3 4 5 1 5 1 7 1 2 1 7 1 2 1 10 2 15 3 20 3 20 min design cfm Note 8 10...

Page 9: ...0 3 z z z z z z z z z z z 230 60 3 z z z z z z z z z z z 460 60 3 z z z z z z z z z z z 575 60 3 z z z z z z z z z 380 50 3 z z z z z z z z 415 50 3 z z z z z z z z Table I GI 3 Available motor horsepower by unit size motorhorsepower unit size 1 2 3 4 1 1 1 2 2 3 5 7 1 2 10 15 20 3 z z z z z 6 z z z z z z 8 z z z z z z 10 z z z z z 12 z z z z z z 14 z z z z z z 17 z z z z z z z 21 z z z z z 25 z z...

Page 10: ...it Coil Fin Coil Fin Coil Fin Size Dist Circuits Width Length Dist Circuits Width Length Dist Circuits Width Length 3 1 3 17 5 23 0 6 1 5 22 5 36 0 8 1 7 27 5 39 0 2 7 27 5 39 0 2 7 27 5 39 0 10 1 10 27 5 51 0 2 10 27 5 51 0 2 10 27 5 51 0 12 2 13 35 0 51 0 2 13 35 0 51 0 14 2 13 35 0 59 0 2 13 35 0 59 0 17 2 17 45 0 54 0 4 17 45 0 54 0 21 2 17 45 0 66 0 4 17 45 0 66 0 25 2 20 51 3 68 0 4 20 51 5 ...

Page 11: ...0 10 square feet of coil 12 12 square feet of coil 14 14 square feet of coil 17 17 square feet of coil 21 21 square feet of coil 25 25 square feet of coil 30 30 square feet of coil Digit 8 Unit voltage 0 no motor controls electric heat A 208 60 1 B 230 60 1 C 277 60 1 D 208 60 3 E 230 60 3 F 460 60 3 G 575 60 3 H 380 50 3 J 415 50 3 Digit 9 Insulation Isolation 1 1 inch matt faced 2 1 inch foil fa...

Page 12: ...tch B condensate overflow switch C dirty filter switch D fan status switch combined options E A and B F A and C G A and D H B and C J B and D K C and D L A B and C M A B and D N A C and D P B C and D R A B C and D Digit 30 Control options 2 0 none A discharge air sensor DAS B mixed air sensor MAS D NO mixing box act E NC mixing box act combined options F A and B H A and D J A and E L B and D M B a...

Page 13: ...2 way NC 7 3 Cv C 3 4 3 way NO 7 3 Cv D 3 4 3 way NC 7 3 Cv E 1 2 way NO 11 6 Cv F 1 2 way NC 11 6 Cv G 1 3 way NO 11 6 Cv H 1 3 way NC 11 6 Cv J 1 1 4 2 way NO 18 5 Cv K 1 1 4 2 way NC 18 5 Cv L 1 1 4 3 way NO 18 5 Cv M 1 1 4 3 way NC 18 5 Cv N 1 1 2 2 way NO 28 9 Cv P 1 1 2 2 way NC 28 9 Cv Q 1 1 2 3 way NO 28 9 Cv R 1 1 2 3 way NC 28 9 Cv T 2 2 way NO 46 2 Cv U 2 2 way NC 46 2 Cv V 2 3 way NO 4...

Page 14: ...2 19 2 3 5 5 4 24 5 24 5 70 0 1 0 1 6 1 0 2 1 15 1 462 607 14 42 0 68 2 56 0 37 5 64 2 19 2 22 2 3 5 5 4 23 0 23 0 70 0 1 0 1 6 1 0 2 1 15 1 476 619 17 52 0 76 2 62 0 47 5 72 2 25 1 20 1 3 5 8 9 28 1 28 1 78 0 1 0 1 6 1 0 2 1 15 1 594 775 21 52 0 76 2 62 0 47 5 72 2 25 1 25 1 3 5 8 9 25 6 25 6 78 0 1 0 1 6 1 0 2 1 15 1 636 819 25 59 5 78 2 67 0 53 0 74 2 25 5 23 5 4 5 15 7 27 4 27 4 80 0 2 0 2 8 1...

Page 15: ...38 0 30 0 56 2 16 2 18 9 3 5 3 8 20 6 20 6 62 0 6 0 6 0 1 7 1 0 1 96 14 0 316 493 12 82 0 68 2 42 0 37 5 64 2 19 2 19 2 3 5 5 4 24 5 24 5 70 0 6 0 6 0 1 7 1 0 2 07 15 0 526 751 14 82 0 68 2 42 0 37 5 64 2 19 2 22 2 3 5 5 4 23 0 23 0 70 0 6 0 6 0 1 7 1 0 2 07 13 0 539 769 17 102 5 76 2 45 0 47 5 72 2 25 1 20 1 3 5 8 9 28 1 28 1 78 0 6 0 5 0 1 7 1 0 2 06 13 0 709 998 21 102 5 76 2 45 0 47 5 72 2 25 ...

Page 16: ...llation dimensions weights Access Section in Access section dimensions weights in lbs unit weight size H L W SW DW 3 24 5 24 3 31 2 69 97 6 30 5 24 3 44 2 100 137 8 34 5 24 3 48 2 106 148 10 34 5 24 3 60 2 1 19 169 12 42 0 24 3 68 2 162 218 14 42 0 24 3 68 2 157 213 17 52 0 24 3 76 2 204 267 21 52 0 24 3 76 2 196 259 25 59 5 28 3 78 2 248 336 30 59 5 28 3 91 2 271 370 Notes 1 SW SingleWall 2 DW Do...

Page 17: ... section dimensions weights in lbs unit flat filter angle filter size H L W SW DW SW DW 3 24 5 21 5 31 2 46 60 50 64 6 30 5 24 0 44 2 64 86 68 90 8 34 5 27 3 48 2 78 107 82 111 10 34 5 25 5 60 2 83 115 89 121 12 42 0 27 3 68 2 1 12 151 126 165 14 42 0 27 3 68 2 1 12 151 126 165 17 52 0 29 3 76 2 164 209 179 224 21 52 0 29 3 76 2 164 209 179 224 25 59 5 35 0 78 2 184 250 200 266 30 59 5 35 0 91 2 2...

Page 18: ...14 0 16 0 7 6 5 8 2 14 0 x 16 0 80 98 6 30 5 24 0 44 2 14 0 29 0 7 6 5 8 2 14 0 x 29 0 1 19 147 8 34 5 27 3 48 2 19 7 26 0 11 1 5 8 2 19 7 x 26 0 135 170 10 34 5 25 5 60 2 14 0 46 0 7 1 5 8 2 14 0 x 46 0 168 208 12 42 0 27 3 68 2 19 7 37 0 15 6 5 8 2 19 7 x 37 0 186 237 14 42 0 27 3 68 2 19 7 44 0 12 1 5 8 2 19 7 x 44 0 199 248 17 52 0 29 3 76 2 19 7 53 0 11 6 5 8 2 19 7 x 53 0 274 340 21 52 0 34 ...

Page 19: ...6 4 6 1 0 31 2 x 64 0 19 7 x 37 0 220 260 14 42 0 28 3 68 2 19 7 44 0 31 3 63 0 40 0 65 7 12 1 4 6 4 6 1 0 31 2 x 64 0 19 7 x 44 0 235 274 17 52 0 32 3 76 2 19 7 53 0 42 7 71 0 50 0 73 6 11 6 7 6 3 9 1 0 42 x 72 0 19 7 x 53 0 323 371 21 52 0 35 0 76 2 25 5 53 0 42 7 71 0 50 0 73 6 11 6 4 6 3 9 1 0 42 72 x 72 0 25 5 x 53 0 365 417 25 59 5 37 0 78 2 25 5 58 0 48 5 74 0 53 0 74 0 10 1 5 2 6 4 4 5 48 ...

Page 20: ...ght 3 24 5 18 0 12 0 10 4 9 3 12 1 34 0 6 30 5 21 0 16 0 13 6 12 3 8 9 38 0 8 34 5 24 5 16 0 13 6 15 8 9 9 44 0 10 34 5 27 5 20 0 16 0 18 8 11 5 62 0 12 42 0 27 8 20 0 19 0 19 0 13 5 66 0 14 42 0 30 8 20 0 19 0 22 0 13 5 69 0 17 52 0 28 6 20 0 24 9 19 9 7 6 73 0 21 52 0 33 6 20 0 24 9 24 9 7 6 77 0 25 59 5 32 0 20 0 25 3 23 3 7 3 79 0 30 59 5 35 1 20 0 28 3 26 4 4 2 82 0 dimensions weights ...

Page 21: ...ter Coil Connections left hand right hand Note J 3 1 on unit sizes 3 and 6 3 6 on unit sizes 8 21 4 6 on unit sizes 25 30 K 6 1 on unit sizes 3 21 8 1 on unit sizes 25 30 Installation dimensions weights AIR FLOW AIR FLOW ...

Page 22: ... 8 7 8 12 2 5 8 18 5 16 4 7 3 16 9 1 1 2 6 10 13 16 13 7 8 2 22 5 8 10 13 16 13 7 8 2 22 5 8 4 7 3 16 9 1 1 2 8 10 13 5 16 16 3 8 2 27 5 8 13 5 16 16 3 8 2 27 5 8 4 7 3 16 9 1 1 2 12 14 17 20 1 8 2 35 1 8 17 20 1 8 2 35 1 8 4 7 3 16 9 2 17 21 22 25 1 8 2 45 1 8 22 25 1 8 2 45 1 8 4 7 3 16 9 2 1 2 25 30 25 1 8 28 3 16 2 51 3 8 25 1 8 28 5 16 2 51 3 8 4 7 3 16 9 2 1 2 six row coil 3 7 5 8 10 13 16 2...

Page 23: ...rcuit DX coils on unit sizes 3 10 have one distributor Horizontal face split circuit DX coil connections unit sizes 8 25 in unit size A B C D LH D RH E F G G1 H H1 J K four row coil 3 16 distributor 8 2 3 8 8 1 8 4 5 1 8 7 3 16 17 3 8 22 13 16 1 3 8 1 3 8 5 8 5 8 3 5 8 6 1 8 10 2 3 8 8 1 8 4 5 1 8 7 3 16 14 7 8 22 3 8 1 3 8 1 3 8 7 8 7 8 3 5 8 6 1 8 12 14 1 7 8 12 5 8 4 5 1 8 7 3 16 19 7 8 31 1 8 ...

Page 24: ...E SWEATSTYLE Horizontal face split circuit DX coil connections unit size 30 in A B C D E F G four row coil 3 16 distributor 3 1 8 4 13 16 11 1 8 23 5 8 36 1 8 48 5 8 7 8 six row coil 1 4 distributor 1 2 5 8 11 7 8 24 3 8 36 7 8 49 3 8 1 3 8 Note Horizontal face split circuit DX coils on unit size 30 has four distributors Installation dimensions weights AIR FLOW AIR FLOW ...

Page 25: ...7 8 7 8 27 3 8 29 7 8 42 1 2 45 30 2 1 2 3 13 16 18 7 8 20 1 8 3 1 8 4 7 8 6 3 16 8 3 16 1 5 8 1 5 8 1 5 8 1 5 8 7 8 7 8 7 8 7 8 27 1 2 28 13 16 43 7 8 45 1 8 six row coil 1 4 distributor 8 2 3 8 6 3 16 18 5 8 14 7 8 1 2 5 8 3 3 16 5 3 16 1 3 8 1 3 8 7 8 7 8 10 2 3 8 4 7 8 20 1 8 22 5 8 1 2 5 8 3 3 16 5 3 16 1 3 8 1 3 8 7 8 7 8 12 14 2 3 8 4 7 8 23 3 16 19 13 16 1 2 5 8 3 3 16 5 3 16 1 3 8 1 3 8 7...

Page 26: ...2 3 1 8 6 1 8 8 10 3 3 16 15 7 8 12 7 8 1 5 16 2 1 2 1 5 16 2 1 2 3 5 8 6 1 8 12 14 2 3 8 18 3 16 18 3 16 1 5 16 2 1 2 1 5 16 3 3 5 8 6 1 8 17 21 2 3 16 14 7 8 11 7 8 1 5 16 2 1 2 28 37 3 8 34 3 8 1 5 16 1 2 1 2 2 3 5 8 6 1 8 25 30 2 5 16 15 12 1 5 16 2 1 2 27 13 16 40 1 2 37 1 2 1 5 16 1 5 16 2 1 2 2 1 2 4 5 8 8 1 8 Note Unit sizes 17 30 with steam coils are two stacked coils Installation dimensi...

Page 27: ...8 21 86 218 25 30 If a unit appears damaged inspect it immediately before accepting the shipment Manually rotate the fan wheel to ensure it turns freely Make specific notations concerning the damage on the freight bill Do not refuse delivery Inspect the unit for concealed damage before it is stored and as soon as possible after delivery Report concealed damage to the freight line within the allott...

Page 28: ...ible equipment or property only damage Unit Location Recommendations When selecting and preparing the installation location follow these recommendations 1 Consider the unit weight Reference the unit weight on the unit nameplate or in the Dimensions andWeights section 2 Allow sufficient space for recommended clearances access panel removal and maintenance access Refer to Figure I PC 1 3 The install...

Page 29: ...nternal isolation duct is not mechanically secured to the fan so roof duct can be removed as one piece c Remove roof 5a If horizontal front or back discharge and no internal isolation remove screws securing fan housing to cabinet b If horizontal front or back discharge with internal isolation loosen and remove j bolt securing fan housing to cabinet c Remove front and back panel 6 Loosen nuts bolts...

Page 30: ...rts or can be fabricated in the field c On units with internal isolation the duct extension is wider at the bottom to form a gap between and the fan housing which is bridged by a flexible foam gasket Contact Service Parts for a duct extension kit See Fig 1 14a If changing from vertical to horizontal such as top front to front top then the duct extension will need to be replaced by mounting angles ...

Page 31: ...tectionAssociation standards for the Installation ofAir Conditioning andVentilation Systems other than ResidenceType NFPA 90A and ResidenceTypeWarmAir Heating andAir Conditioning Systems NFPA 90B For units without internal isolation inlet and discharge air duct connections to the unit should be made with a flexible material minimizing noise and vibration Typically about three inches is needed for ...

Page 32: ...p discharge 12 inches below the condensate return connection to provide sufficient head pressure to overcome trap losses and ensure complete condensate removal Use float and themostatic traps with atmospheric pressure gravity condensate return with automatic controls or when there is a possibility of low pressure steam Float and thermostatic traps are recommended because gravity drain and continuo...

Page 33: ...compo nents Specific recommendations are provided with the highside components including instructions for pressure testing evacuation and system charging Follow the general recommendations for component selection and line sizing below Leak test the entire refrigerant system after all piping is complete Charge the unit according to approximate weight requirements operating pres sures and superheat ...

Page 34: ... fittings and joints to verify the system is leak free insulate the suction lines to prevent heat gain and unwanted condensation Components Installing the suction line requires field installation of these components an access port and possibly a suction filter Position them as close to the compressor as possible Access port The access port is used to determine suction pressure and adjust theTEV It...

Page 35: ...r winding while it is under a deep vacuum Voltage sparkover may cause damage to the motor windings Electrical Grounding Restrictions All sensor and input circuits are normally at or near ground common potential When wiring sensors and other input devices to theTracerAH540 controller avoid creating ground loops with grounded conductors external to the unit control circuit Ground loops can affect th...

Page 36: ...lable with or without door interlocking disconnect Units drawing more than 100 amps are not available with door interlocking disconnect 2 Units drawing less than 48 amps are available with or without line fusing Units drawing greater than 48 amps have line fusing as standard 3 Units with electric heat must not be run below the minimum cfm listed above Table ER 1 Electric heat voltage unit heater v...

Page 37: ...2 3 7 3 27 230 60 3 5 6 42 1725 7 3 27 460 60 3 2 8 21 3 4 27 575 60 3 2 2 16 8 1740 45 56 2 6 31 400 50 3 3 6 31 6 1450 56 56 3 8 27 3 208 60 3 8 7 64 7 10 4 31 230 60 3 8 64 1725 10 4 31 460 60 3 4 32 4 8 27 575 60 3 3 2 25 6 1725 56 56 3 8 31 400 50 3 5 5 44 6 1450 74 182 4T 5 3 27 5 208 60 3 14 91 8 16 8 31 230 60 3 13 2 91 1740 16 8 31 460 60 3 6 6 45 5 8 3 31 575 60 3 5 3 36 4 1740 74 182 4T...

Page 38: ...tion system sizing provided and installed by others Refer to the following section Corner Weight Calculations and the Dimensions andWeights section for unit and coil weights Isolation systems may be either spring type or waffle pad isolators 2 Both horizontal and vertical units ship with corner brackets for mounting Prepare the floor or housekeeping pad to properly secure unit 3 Secure the unit to...

Page 39: ...eight to get the total corner weight 43 2 21 5 60 81 5 lbs Note To get the total corner weight you must add the motor drive control box weight to the correct unit side See step 4 3 Calculate the entering air side corner weights labeledA B in the graphic Divide the coil weight by 2 to get the 2 coil weight corners of the entering air side Add to the main unit corner weight of the entering air side ...

Page 40: ... is not required on this equipment The Packaged Climate Changer was designed and tested to be used without gasketing Note All screws nuts bolts required for installation are field provided Step 1 Connect modules to flange on top of unit Step 2 Use the flange on both sides of the unit to connect modules main unit ...

Page 41: ...16 x 0 5 inch screw Step 4 Line up the corner brackets on the module being joined Step 5 Attach the corner brackets using a bolt and nut Note Gasketing is not required on these units The Packaged Climate Changer is designed and tested to be used without gasketing All screws nuts and bolts required for installation are field supplied ...

Page 42: ... the following conditions Dead spots such as behind doors or in corners that do not allow free air circulation Air drafts from stairwells outside doors or unsectioned hollow walls Radiant heat from the sun fireplaces appliances etc Airflow from adjacent zones or other units Unheated or uncooled spaces behind the controller such as outside walls or unoccupied spaces Concealed pipes air ducts or chi...

Page 43: ...esired or when it is necessary to use only factory provided materials the finishing kit is available See Figure I IP 5 for installation instructions of the finishing kit To install the Finishing Kit follow the steps listed below 1 Apply GasketTape supplied in kit between the LPC unit and accessory 2 Use screws supplied with kit to join with accessory module 3 Use supplied hardware to join feet tog...

Page 44: ...ials Do not run power in the same conduit or wire bundle with communication link wiring Note You do not need to observe polarity for Comm5 communication links Device Addressing Comm5 devices are given a unique address by the manufacturer This address is called a Neuron ID EachTracer AH540 controller can be identified by its unique Neuron ID which is printed on a label on the controller s logic boa...

Page 45: ...nk and branch configuration it is best to terminate at the point where the branching occurs or at a point very close to it If the link contains more than one type of wire the link will probably have to be manually tuned Trane recommends that only one type of wire be used for the Comm5 communication link A set of as built drawings or a map of the communication wire layout should be made during inst...

Page 46: ...d maintenance clearances around the unit are adequate Unit Mounting Place unit in its final location Remove shipping skid bolts and skid Properly install any field provided isolators per instructions in Figures I IP 1 and I IP 2 Component Overview Inspect fan belt tension and sheave alignment Refer to Figure M MP 1 Inspect the fan motor and bearing lubrication Check the bearing locking collar and ...

Page 47: ... Rover service software For more detailed information on theTracerAH540 refer toTrane publication CNT SVX05B EN TheTracer AH540 controller operates as a stand alone controller or it can communi cate as part of aTrane Integrated Com fort System ICS In the stand alone configuration Tracer AH540 receives operation commands from the space temperature and discharge air temperature for constant volume s...

Page 48: ...Model number digit 37 2 Zone sensor with Farenheit setpoint knob on cancel and communication jack Figure O GI 5 Model number digit 37 4 Figure O GI 2 Tracer AH540 Control Board TracerAH540 Zone Sensor Options Zone sensors are available wall mounted for design flexibility Wall mounted zone sensors have an internal thermistor and operate on 24VAC Zone sensor options have a zone sensor setpoint adjus...

Page 49: ...tion system In either mode of operation multiple controllers can be bound bindings are configured using the Rover service tool to other LonTalk based controllers so they can communicate data to one another Figure O GI 8 Tracer AH540 541 main controller board Controllers that are bound as peers can share the following data Setpoint Zone temperature Zone relative humidity Outdoor air temperature Occ...

Page 50: ...50 LPC SVX01C EN Operation general information Figure O GI 9 Tracer AH540 termination board ...

Page 51: ... to 150 ft 46 m using four conductor wire and the included pig tail connectors Alternately use three twisted pair wires Trane recommends the following four conductor wires Plenum 18 AWG Trane part number 400 2059 Plenum 22AWG Trane part number 400 2020 Non plenum Trane part number 400 1005 Figure O GI 11 Tracer AH541 stand alone operator display CAUTION Avoid Equipment Damage To clean the operator...

Page 52: ...lay then snap the operator display to the plastic backing The operator display cable is keyed to the connector If you have difficulty connecting it make sure the key is lined up with the slot 7 Run the operator display cable to the Tracer AH540 541 affixing it to the wall with wiring staples or wire mold Do not run operator display cable in the same wire bundle with high voltage power wires Runnin...

Page 53: ...and the controller is aTracer AH541 Warning Unit Config Required is displayed Operating parameters of the controller Push buttons Touch one of the five buttons View Alarm Schedule Override or Setup to access the desired set of screens Note The schedule button does not appear on the Home screen when a portable operator display is connected to the controller because the portable operator display doe...

Page 54: ...ns along the bottom row in sequence from left to right To decrease the contrast press the buttons from right to left 7 Press the Home button The home screen appears Operation general information Setting up changing or disabling the security password To set up or change a security password or to disable its use Note If security is enabled the logon screen will display whenever you try to change a v...

Page 55: ...he specific functions shown inTable O GI 3 Table O GI 2 Binary outputs functions locations TracerAH540 TracerAH541 factory field maximum output terminal terminal terminal power output label label label label function function rating BO1 TB21 1 OUT J21 BO1 supplyfanstart stop 24Vac 12VA TB21 2 GND ground BO2 TB22 1 OUT J22 BO2 exhaustfanstart stop 24Vac 12VA TB22 2 GND ground BO3 TB23 1 OUT J23 BO3...

Page 56: ...rAH540 541 uses the timed override On request while the zone is in unoccupied mode as a request to go to the occupied bypass mode occupied bypass The occupied bypass mode lasts for the duration of the occupied bypass time typically 120 minutes The occupied bypass time can be changed using the Rover service tool Press the Cancel button on the zone sensor to cancel the override request and return th...

Page 57: ...iversal analog input The universal analog input IN13 TB43 can be configured for a variety of sensors using the Rover service tool see Configuration sectiuon The input must be configured properly for the sensor wired to the input The input can be used for only one sensor at a time The following sensors are supported Space relative humidity 4 20 mA CO2 sensor 4 20 mA Entering water temperature 10kΩ ...

Page 58: ...t the diagnostic has no affect on controller operation If the sensor returns to a valid input the controller automatically clears the diagnostic Operation general information Generic temperature input The universal analog input configured as generic temperature accepts a 10Ω thermistor input The input can be used in a variety of applications usingTracer Summit This input has no effect on the contr...

Page 59: ...y input IN7 can be configured as a coil defrost input in direct expansion DX cooling applications when a binary device is used to detect low evaporator refrigerant temperatures When the DX coil refrigerant temperature drops below the detecting device threshold and the device output changes states theTracer AH540 541 controller disables all DX cooling until the frost condition is cleared DX cooling...

Page 60: ...Latching diagnostic Note 1 Note 1 A Low Supply Fan Air Flow diagnostic is generated when the controller turns on the supply fan output but the supply fan status binary input indicates the supply fan is not running after the configurable fan delay time Generic binary input Binary input IN9 can be configured as a generic binary input for a variety of applications with aTracer Summit system only The ...

Page 61: ...ation IN 12 Configuration Contact Closed Contact Open Not used Normal Normal Normally closed Exhaust fan diagnostic Note 1 Normal Normally open Normal Exhaust fan diagnostic Note 1 Note 1 A Low Exhaust Fan Air Flow diagnostic is generated when the controller turns on the exhaust fan output but the exhaust fan status binary input indicates the exhaust fan is not running after a 2 minute time delay ...

Page 62: ...nsor modules include timed override ON and CANCEL buttons Use the timed override ON and CANCEL buttons to place the controller in override occupied bypass mode and to cancel the override request The controller always recognizes the timed override ON button If someone presses the zone sensor timed override ON button the controller initializes the bypass timer to 120 minutes adjustable If the contro...

Page 63: ... requires both a space temperature and discharge air temperature sensor to be present for space temperature control operation also called cascade control In this control mode theTracer AH5405 541 uses the space temperature and the measured discharge air temperature to maintain the space temperature at the active space cooling setpoint or the active space heating setpoint The controller modulates i...

Page 64: ...rge air temperature setpoint The capacity calculation as a result of the discharge air temperature control loop is used to drive the air handling unit actuators to maintain space temperature at the space temperature setpoint Control gains Figure O SO 1 illustrates the separate control for the space temperature control loop and discharge air temperature control loop The gain parameter values that c...

Page 65: ...mode the unit switches to the desired mode based on the control algorithm If theTracer AH540 541 controller is operating space temperature control it uses the space temperature and space temperature setpoint to automatically determine heat or cool mode of opera tion When the controller first powers up or after a reset it makes an initial determination if the heat cool mode should be heat or cool I...

Page 66: ...ntroller attempts to maintain the space temperature at the active heating setpoint Based on the controller occupancy mode the active space heating setpoint is one of the following Occupied heating setpoint Occupied standby heating setpoint Unoccupied heating setpoint The outputs are controlled based on the unit configuration and the required machine heating capacity At 0 ma chine heating capacity ...

Page 67: ...ure control modulates the heating or cooling outputs to maintain discharge air temperature at the discharge air temperature setpoint regardless of the entering air conditions of the air handling unit Figure O SO 4 shows the steps theTracer AH540 541 controller takes to control discharge air First the controller deter Table O SO 4 Example of configuration parameters Dishcharge air cooling setpoint ...

Page 68: ...ge air cooling setpoint Discharge air heat setpoint limits Discharge air cool setpoint limits Effective discharge air temperature setpoint Discharge air temperature control loop Calculate heat cool capacity Use capacity to drive actuators Discharge air control gains Discharge air temperature wired sensor Effective heat cool mode Configured value discharge air heating setpoint discharge air cooling...

Page 69: ...ing sequence occurs 1 Green Status LED turns On 2 All binary outputs are controlled to their de energized state and analog outputs are set to the normally closed output voltage 3 The controller reads the inputs to determine initial values 4 Power up control wait feature is applied The controller waits 300 seconds to allow ample time for the communicated control data to arrive If after 300 seconds ...

Page 70: ...dby mode When the conference room becomes occupied with people the local occupancy sensor changes the controller mode to occupied The controller can be placed into the occupied standby mode when a commu nicated occupancy request is combined with the local hard wired occupancy binary input signal When the communi cated occupancy request is unoccupied the occupancy binary input if present does not a...

Page 71: ...ypically is configured as normally open and no occupancy device is connected Determining the occupancy mode The occupancy of the controller is determined by evaluating the combination of three potential communicating inputs as well as the hard wired occupancy input and the occupied bypass timer seeTable O SO 4 Three different communicating inputs affect controller occupancy mode 1 Occupancy manual...

Page 72: ...72 LPC SVX01C EN Operation sequence of operation Table O SO 6 Effective occupancy arbitration for Tracer AH540 541 with operator display ...

Page 73: ...LPC SVX01C EN 73 Operation sequence of operation continued Table O SO 6 Effective occupancy arbitration for Tracer AH540 541 with operator display ...

Page 74: ...p cool down mode Unoccupied mode Certain diagnostic conditions Low ambient damper lockout Anytime the supply fan is Off Morning warmup can also be a communi cated request from aTraneTracer Summit building automation system When theTracer AH540 541 controller receives a communicated morning warm up request heating mode is enabled and the outdoor air damper closes The controller remains in morning w...

Page 75: ...electric heat is energized during unoccupied heating periods of operation the supply fan will run for an additional 120 seconds after electric heat capacity is de energized The supply fan is normally Off during air handler operation with the following exceptions During unoccupied mode when there is no requirement for heating and cooling When entering water temperature sampling is initiated As a re...

Page 76: ...c conditions Valve override open TheTracer AH540 541 controller oper ates with either normally open or normally closed valves The normal state of the valve is the position of the valve when power is not applied When power is applied the controller has full control of the valve For example if the fan mode switch on the zone sensor is in the Off position the controller closes the valve regardless if...

Page 77: ...ommunicated to determine if it can be used for the desired mode The controller continues to compare the entering water temperature to the effective space temperature for the maximum sampling time Whenever the entering water tempera ture is warmer than 110 F the controller assumes the entering water temperature is hot because it is unlikely the coil would drift to a high temperature unless the actu...

Page 78: ... changed using the Rover service tool for occupied and occupied standby ventilation The controller can also receive a commu nicated outdoor air damper minimum position setpoint A communicated minimum position setpoint has priority over all configured minimum position setpoints When a communicated minimum position setpoint is not present the controller uses the configured minimum setpoints seeTable...

Page 79: ...location It is important to mount the mixed air temperature sensor in the proper location according to the mixed air temperature control configuration Economizing This sequence applies to both space temperature control and discharge air temperature control Economizing is a mode in which outdoor air is used as a source of cooling capacity before hydronic cooling With a valid outdoor air temperature...

Page 80: ... Because of device stroke time the state of the exhaust fan may change before the economizing damper reaches its target position If the exhaust fan start setpoint is set at or lower than the outdoor air damper minimum position the exhaust fan will be On continuously when the outdoor air damper is at minimum position If the exhaust fan start setpoint is set higher than the outdoor air damper minimu...

Page 81: ...ed electric heat is mounted in preheat position before cooling capac ity the controller will not allow the use of electric heat for mixed air preheat control If mixed air temperature control is desired because of installed hydronic capacity mixed air temperature control should be used rather than mixed air preheat control Space temperature control Electric heat For space temperature control applic...

Page 82: ... 4 or Electric heat stage 1 The controller will enforce a minimum On time and minimum Off time for each compressor stage A compressor will not be allowed to stage On until the compressor minimum Off time has expired and a compressor will not be allowed to stage Of until the compressor minimum On time has expired Inter stage delays are also enforced A minimum of 3 minutes will be enforced between a...

Page 83: ...rator refrigerant temperature sensor wired to the universal analog input IN13 Binary thermostat device wired to binary input IN7 coil defrost input Binary thermostat device wired to binary input IN12 coil defrost input Two circuit split system DX cooling applications should apply an evaporator refrigerant sensor or binary thermostat device on the first circuit or the circuit of the first cooling s...

Page 84: ...ity is modulated or staged to reduce space humidity while heating capacity is modulated or staged to control space temperature Hydronic cooling capacity is modulated increased and decreased to offset the relative humidity load in the space DX cooling capacity operates as a limit control and is only allowed to stage up increase to maintain or decrease the relative humidity in the space Occupied and...

Page 85: ...sent and the supply fan is Off For example theTracer AH540 541 is not able to run the air handling unit because the run stop input is set to stop supply fan is Off If the outdoor air temperature is below the freeze avoidance setpoint theTracer AH540 541 opens all water valves Overrides The controller has the capability whether using space temperature control or discharge air temperature control to...

Page 86: ...hen it blinks as described inTable O SO 18 when the button is released to indicate the controller is in manual test mode 2 Press theTest button no more than once per second to advance through the test sequence 3 Finish the test by advancing through the complete test sequence The test will end automatically if the unit remains in a single step for ten hours Service Pin button The Service Pin button...

Page 87: ...LPC SVX01C EN 87 Operation sequence of operation Table O SO 15 Manual output test sequence Table O SO 16 Binary output LEDs green ...

Page 88: ... in manual test mode Table O SO 18 describes Status LED activity Comm LED yellow The yellow Comm LED indicates the communication status of the controller Table O SO 19 describes Comm LED activity Required inputs for unit operation The following locally wired sensor or communicated inputs are required for each control function listed inTable O SO 20 If any one of the sensors does not exist the cont...

Page 89: ...LPC SVX01C EN 89 Operation sequence of operation Table O SO 19 Comm LED yellow Table O SO 20 Required inputs ...

Page 90: ...put test Cycling power When the 24Vac power to the controller is turned Off and then On the unit cycles through a power up sequence see Power up sequence By default the controller attempts to reset all diagnostics during this sequence Building automation system Some building automation systems can reset controller diagnostics For more complete information refer to the product literature for the bu...

Page 91: ...LPC SVX01C EN 91 Maintenance diagnostics Table M D 2 Tracer AH540 541 diagnostics ...

Page 92: ...92 LPC SVX01C EN Maintenance diagnostics Table M D 2 continued Tracer AH540 541 diagnostics ...

Page 93: ... the following operational problems you might have with theTracer AH540 541 controller Fans do not energize Valves stay closed Outdoor air damper stays open Outdoor air damper stays closed DX cooling binary outputs do not energize Electric heat binary outputs do not energize Table M T 1 Fan outputs do not energize ...

Page 94: ...94 LPC SVX01C EN Maintenance troubleshooting Table M T 2 Valves stay open ...

Page 95: ...LPC SVX01C EN 95 Maintenance troubleshooting Table M T 3 Valves stay closed ...

Page 96: ...96 LPC SVX01C EN Maintenance troubleshooting Table M T 4 Outdoor air damper stays open ...

Page 97: ...LPC SVX01C EN 97 Maintenance troubleshooting Table M T 5 Outdoor air damper stays closed ...

Page 98: ...98 LPC SVX01C EN Maintenance troubleshooting Table M T 6 DX cooling binary outputs do not energize ...

Page 99: ...LPC SVX01C EN 99 Maintenance troubleshooting Table M T 7 Electric heat binary outputs do not energize ...

Page 100: ...f and disconnect power to the unit to ensure the motor doesn t accidentally start 2 Use a No 10 SAE non detergent automotive type oil Do not over oil Fan Bearings Fan bearings are permanently lubricated and do not require additional lubrication SheaveAlignment To prevent interference of the fan frame with the belt make sure that the belt edge closes to the motor has the proper clearance from the f...

Page 101: ... practices Failure to follow all safety instructions could result in death or serious injury Inspecting and Cleaning Coils Coils become externally fouled as a result of normal operation Dirt on the coil surface reduces it s ability to transfer heat that can result in comfort problems increased airflow resistance and thus increased operating energy costs If the coil surface dirt becomes wet which c...

Page 102: ... bearings if motor is fitted with oil tubes and operating conditions include moist or dirty air continuous duty and or high temperatures Semi Annual Maintenance 1 Verify the fan motor is properly lubricated Follow lubrication recommendations on the motor tag or nameplate Contact the motor manufacturer for more information 2 Check bearing locking collar and sheave set screws for proper tightness 3 ...

Page 103: ...ns thro9ugh theh top bracket and pushed against athe sping cap resting on the top of the spring To change out the spring in this tupe of assembly perform the following steps 1 Disconnect power from the unit 2 Loosen and remove the adjustment bolt 3 Remove the sping cap and spring 4 In some cases there is not enough clearance between the top isolator bracket andthe cabinet to allow the spring mount...

Page 104: ...104 LPC SVX01C EN Maintenance appendix Figure M A 1 Flowchart EnteringWaterTemperature Sampling Function ...

Page 105: ...LPC SVX01C EN 105 Maintenance appendix Input SensorTables Table M A 2 Trane zone sensor hard wired setpoint thumbwheel Table M A 3 Hard wired 10 kΩ Ω Ω Ω Ω thermistor values ...

Page 106: ...106 LPC SVX01C EN Maintenance appendix Table M A 4 Hard wired 1kΩ Ω Ω Ω Ω mixed air sensor Table M A 5 Hard wired relative humidity sensor values ...

Page 107: ...LPC SVX01C EN 107 Maintenance appendix Table M A 6 Hard wired CO2 sensor values ...

Page 108: ...te alltorquevaluesare 5 Table M A 11 Minimum Recommended Torques for Damper Linkage Components Item Torque Inch Lbs FootLbs N m Square head set screw 1 4 20 90 7 50 10 17 Hex head set screw 1 4 20 65 5 42 7 34 Hex head set screw 5 16 24 144 12 00 16 27 Ball joint set screw 1 4 28 thread 40 3 33 4 52 Ball joint set screw 5 16 24 144 12 00 16 27 Note alltorquevaluesare 5 Table M A 7 Recommended Torq...

Page 109: ......

Page 110: ...iterature Order Number File Number Supersedes Stocking Location Trane has a policy of continuous product improvement and reserves the right to change design and specifications without notice Only qualified technicians should install and service equipment LPC SVX01C EN PL AH LPC SVX01C EN 07 06 LPC SVX01A EN 06 00 LaCrosse Inland US ...

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