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IR Ingersoll Rand TZC036E, Installation, Operation And Maintenance Manual

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IR Ingersoll Rand TZC036E Installation, Operation And Maintenance Manual Download Page 1

Packaged Rooftop Air Conditioners
Precedent™ with eFlex™           
Technology, Electric/Electric

3 to 10 Tons - 60 Hz

Installation, Operation, and Maintenance

April 2020

RT-SVX45F-EN

Model Numbers:

TZC036E                                      TZC072F

Model Numbers:

TZC048F                                      TZC090F

Model Numbers:

TZC060E                                      TZC102F

Model Numbers:

                                                     TZC120F

SAFETY WARNING

Only qualified personnel should install and service the equipment. The installation, starting up, and servicing of 
heating, ventilating, and air-conditioning equipment can be hazardous and requires specific knowledge and training. 
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.

Summary of Contents for TZC036E

Page 1: ...RNING Only qualified personnel should install and service the equipment The installation starting up and servicing of heating ventilating and air conditioning equipment can be hazardous and requires specific knowledge and training 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...

Page 2: ...igerants Know the applicable laws and follow them 2020 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 installed and grounded field wiring poses FIRE and ELECTROCUTION hazards To avoid these hazards you MUST follow requirements for field wiring installation and gro...

Page 3: ...Introduction RT SVX45F EN 3 Trademarks All trademarks referenced in this document are the trademarks of their respective owners Revision History Update includes addition of 6 to 10 ton eFlex models ...

Page 4: ...ain Unit Power 30 Standard Wiring 30 Optional TBUE Wiring Through the Base Electrical Option 31 Field Installed Control Wiring 31 Control Power Transformer 31 Controls using DC Analog Input Outputs Standard Low Voltage Multi conductor Wire 31 Space Temperature Averaging ReliaTel only 33 Pre Start 36 Voltage Imbalance 36 Electrical Phasing Three Phase Motors 36 Compressor Crankcase Heaters 37 Relia...

Page 5: ...rature Sensor ZTS Test 48 Relative Humidity Sensor Test 48 Programmable Digital Zone Sensor Test 49 ReliaTel Refrigeration Module RTRM De fault Chart 49 Unit Operation without a Zone Sensor 49 Unit Economizer Control ECA Trouble shooting 50 Compressor Inverter Drive 51 Unit Wiring Diagrams Numbers 52 Limited Warranty 53 Electric Air Conditioner 53 TZC Parts Only 53 Models Less Than 20 Tons for Com...

Page 6: ...lters A Hinged Access Panels Standard Filters B Standard Panels 2 MERV 8 Filters C Hinged Access Panels 2 MERV 8 Filters D Standard Panels 2 MERV 13 Filters E Hinged Access Panels 2 MERV 13 Filters Digit 17 Condenser Coil Protection 0 Standard Coil 1 Standard Coil with Hail Guard 2 Black Epoxy Pre Coated Condenser Coil12 3 Black Epoxy Pre Coated Condenser Coil with Hail Guard12 4 CompleteCoat Cond...

Page 7: ...ir smoke detector may notfit upor workproperly on the Precedent units when used in conjunction with 3rd party accessories such as bolt on heat wheels economizers and power exhaust Do not order the return air smoke detectors when using this type of accessory 7 Includes gas piping and shutoff field assembly required 8 Not available with high temperature duct sensor accessory 9 Demand Control Ventila...

Page 8: ...erant charge as well as other pertinent unit data Compressor Nameplate The nameplate for the compressors are located on the side of the compressor Variable speed compressors are not marked with a RLA This value is derived from testing Microchannel Condenser Barcode ID Barcode decal used for condenser coil part identification can be located on the vertical header and top of coil s inlet outlet side...

Page 9: ... Automation System BAS Cycling unit power will also clear the fault Discharge Line Temp Switch DLTS The DLTS is looped in series with HPC It prevents compressor from overheating over 300 Fº dome temp in case of indoor fan failure cooling or outdoor fan failure heating Duct Mounted Relative Humidity Sensor BAYSENS037 Field installed duct mounted humidity sensor is used to control activation of Enha...

Page 10: ...ted The red light indicates that unit operation has been prevented There are two conditions that will prevent unit operation The power supply circuit is not balanced with the proper phase sequence of L1 L2 L3 for the 3 conductors of a 3 phase circuit The line to line voltage is not between 180 volts and 633 volts Power Exhaust Control Optional ReliaTel The power exhaust fan is started whenever the...

Page 11: ...ature setpoint in order to maintain space temperature Smoke Detector Sensor Optional This sensor provides high limit shutdown of the unit and requires a manual reset The sensor is used to detect smoke in the air conditioning or ventilation ducts Notes Consult smoke detector manufacturer if daisy chaining is required The supply air smoke detector samples supply air The return and plenum air smoke d...

Page 12: ... features five system settings Auto Off Cool Heat and Emergency Heat and with On and Auto fan settings It is a manual or auto changeover control with dual setpoint capability Other features include a timed override function lockable system settings and Fahrenheit or Celsius temperature display Included with the wireless zone sensor will be a receiver that is to be mounted inside the unit a mountin...

Page 13: ...wing blowing tear out and spraying may generate fiber concentrations requiring additional respiratory protection Use the appropriate NIOSH approved respiration in these situations First Aid Measures Eye Contact Flush eyes with water to remove dust If symptoms persist seek medical attention Skin Contact Wash affected areas gently with soap and warm water after handling WARNING Hazardous Voltage Fai...

Page 14: ...denser air Figure 1 Typical installation clearances for single multiple unit applications Side by Side Note 2 End to End Note 2 3 7 0 2134 MM 6 0 1829 MM 3 0 914 MM Note 1 Single Unit 3 0 914 MM 3 0 914 MM 4 0 1219 MM Note 4 9 1 8 232 MM 12 1 2 318 MM 12 305 MM 16 3 4 426 MM TZC036E Units TZC048F TZC060E Units Notes 1 For horizontal discharge unit this measurement is reduced to 1 6 457 MM to minim...

Page 15: ...imately 24 inches to verify proper center of gravity lift point To avoid dropping of unit reposition lifting point if unit is not level Figure 2 Corner weights Center of Gravity Length Center of Gravity Width Center of Gravity A B C D Table 1 Maximum base unit corner weights lbs and center of gravity dimensions in cooling models Tons Unit Model No Maximum Base Model Weights a a Weight are approxim...

Page 16: ...are in inches millimeters b Evaporator Section Access Panel Condenser Fan Top Panel Alternate Condensate Drain 3 4 14 NPT Dia Hole 1 2 NPT Gas Connection Control and Compressor Access Panel Condenser Coil Unit Control Wire 7 8 22 MM Dia Hole Service Gauge Port Access 1 3 8 35 MM Dia Hole Unit Power Wire 1 1 8 29 MM Dia Hole 4 1 4 108 MM 5 9 16 141 MM 7 5 8 194 MM 44 1 4 1124 MM 44 1 4 1124 MM 9 5 ...

Page 17: ...7 CLEARANCE 36 914 MM CLEARANCE 36 914 MM FOR DOW NFLOW CLEARANCE 18 457 MM FOR HORIZONTAL CLEARANCE 36 914 MM CLEARANCE 48 1219 MM RETURN SUPPLY 14 356 MM 37 7 16 951 MM 25 3 16 640 MM 1 3 4 44 MM 65 13 16 1670 MM 1 3 4 44 MM 14 9 16 370 MM 8 3 8 213 MM 61 13 16 1568 MM 65 3 16 1656 MM 16 3 4 425 MM 2 51 MM 2 51 MM 40 7 8 1038 MM 41 7 16 1053 MM Figure 9 Cooling and gas electric 3 tons ultra high...

Page 18: ...rol Wire 7 8 22 MM Dia Hole Service Gauge Port Access 1 3 8 35 MM Dia Hole Unit Power Wire 1 3 8 35 MM Dia Hole 40 7 8 1038 MM 4 1 4 108 MM 27 5 8 701 MM 88 5 8 2251 MM 47 7 8 1216 MM 9 5 8 244 MM 5 5 8 143 MM 5 5 8 143 MM 7 5 8 194 MM 53 1 4 1353 MM 4 1 4 108 MM 18 1 2 470 MM Figure 15 Cooling and gas electric 4 to 5 tons ultra high efficiency downflow airflow supply return through the base utili...

Page 19: ...14 356 MM 46 3 8 1178 MM 34 3 8 873 MM 34 3 8 873 MM Figure 19 Cooling and gas electric 4 to 5 tons ultra high efficiency downflow duct connections field fabricated a a All dimensions are in inches millimeters b S U P P L Y R E T U R N 33 3 4 857 MM 17 3 4 451 MM 17 3 4 451 MM 33 3 4 857 MM All Flanges 1 1 4 31 MM Figure 20 Cooling and gas electric 4 to 5 tons ultra high efficiency economizer manu...

Page 20: ...01 MM THROUGH THE BASE CONDENSATE 40 3 4 1035 MM THROUGH THE BASE ELECTRICAL 5 7 8 149 MM 5 127 MM 10 7 8 276 MM 3 3 4 95 MM 2 3 4 71 MM 6 1 2 165 MM Figure 24 Cooling and gas electric 6 to 10 tons ultra high efficiency horizontal airflow supply and return Note All dimensions are in inches millimeters 4 1 4 108 MM 32 1 4 832 MM 19 1 4 489 MM SUPPLY RETURN 16 3 4 425 MM 9 3 8 238 MM 32 1 4 832 MM 4...

Page 21: ... hinged door s option Note All dimensions are in inches millimeters 21 3 8 543 MM 17 432 MM 34 5 8 879 MM Applicable to Y_C models only Figure 30 Cooling and gas electric 6 to 10 tons ultra high efficiency economizer manual or motorized fresh air damper Note All dimensions are in inches millimeters BAROMETRIC RELIEF HOOD BAROMETRIC RELIEF HOOD ECONOMIZER HOOD ECONOMIZER HOOD Dimensions extends to ...

Page 22: ... 119 MM THROUGH THE THROUGH THE BASE GAS BASE GAS 5 7 8 5 7 8 149 MM 149 MM 27 5 8 27 5 8 701 MM 701 MM 42 3 16 42 3 16 1072 MM 1072 MM 6 3 8 6 3 8 163 MM 163 MM 2 3 4 2 3 4 71 MM 71 MM 51 3 16 51 3 16 1316 MM 1316 MM 4 1 8 4 1 8 104 MM 104 MM Figure 34 Cooling and gas electric 10 tons ultra high efficiency unit clearance and roof opening Note All dimensions are in inches millimeters CLEARANCE 36 ...

Page 23: ...ctric 10 tons ultra high efficiency swing diameter for hinged door s option Note All dimensions are in inches millimeters Applicable to Y_C models only 22 1 2 572 MM 17 13 16 451 MM 22 559 MM Dimensions and Weights RT SVX45F EN 23 ...

Page 24: ...roofing contractor for proper waterproofing procedures Ductwork Supply and return air openings as viewed from the rear of the unit are shown in the following drawings Figure 38 3 tons ultra high efficiency horizontal supply return air openings 3 3 16 81 MM 23 14 591 MM 4 3 4 121 MM RETURN SUPPLY 14 3 4 375 MM 17 1 4 438 MM 8 7 8 225 MM 13 1 4 337 MM 3 4 14 NPT DIA HOLE CONDENSATE DRAIN Figure 39 4...

Page 25: ...1 MM 251 MM 17 1 2 17 1 2 444 MM 444 MM 32 1 8 32 1 8 816 MM 816 MM 33 33 838 MM 838 MM 4 4 102 MM 102 MM THROUGH THE THROUGH THE BASE ELECTRICAL BASE ELECTRICAL THROUGH THE THROUGH THE BASE CONDENSATE BASE CONDENSATE 4 5 8 4 5 8 119 MM 119 MM THROUGH THE THROUGH THE BASE GAS BASE GAS 5 7 8 5 7 8 149 MM 149 MM 27 5 8 27 5 8 701 MM 701 MM 42 3 16 42 3 16 1072 MM 1072 MM 6 3 8 6 3 8 163 MM 163 MM 2 ...

Page 26: ...2 Remove wooden top crate WARNING Improper Unit Lift Failure to properly lift unit could result in unit dropping and possibly crushing operator technician which could result in death or serious injury and equipment or property only damage Test lift unit approximately 24 inches to verify proper center of gravity lift point To avoid dropping of unit reposition lifting point if unit is not level 3 Ri...

Page 27: ...pply opening Note Perform the same task for the 3 ton duct cover to be installed in the return opening Figure 46 RTV sealant application RTV Sealant 3 For the 3 ton unit slide each duct cover with insulation side up into corresponding base openings until inward edge of duct cover engages with the 2 retaining clips on the duct flanges Secure the outward edge of each duct cover with 2 screws 4 For t...

Page 28: ...l Refer to Figure 49 p 28 5 Using the remaining 2 screws removed in step 2 secure the bottom bracket Refer to Figure 48 p 28 Note Larger diameter holes on bottom bracket line up with the dimples on the rear panel The smaller diameter holes line up with the screw holes in the rear panel Air Fi Wireless Communication Interface The factory installed wireless communications interface is installed in t...

Page 29: ...and the unit control panel Condensate Drain Configuration WARNING Hazardous Voltage Failure to disconnect power before servicing could result in death or serious injury Disconnect all electric power including remote disconnects before servicing Follow proper lockout tagout procedures to ensure the power can not be inadvertently energized An evaporator condensate drain connection is provided on eac...

Page 30: ...To insure that the unit s supply power wiring is properly sized and installed follow the following guidelines Verify that the power supply available is compatible with the unit s nameplate ratings The available supply power must be within 10 of the rated voltage stamped on the nameplate Use only copper conductors to connect the power supply to the unit NOTICE Use Copper Conductors Only Failure to ...

Page 31: ...ersonnel Improperly installed and grounded field wiring poses FIRE and ELECTROCUTION hazards To avoid these hazards you MUST follow requirements for field wiring installation and grounding as described in NEC and your local state electrical codes An overall layout of the various control options available with the required number of conductors for each control device is illustrated in Figure 58 p 3...

Page 32: ...gauge 73 5 117 3 m 75 mm2 386 610 feet 16 gauge 117 7 185 9 m 1 3 mm2 611 970 feet 14 gauge 186 2 295 7 m 2 0 mm2 Figure 54 ReliaTel options module J8 TP1 DA COOL FAN SPD TP2 DA HEAT TP3 EXH FAN SPC PRESS DB SPC PRESS J4 J9 J10 J11 J12 J3 TP4 TP5 DEHUMID TB1 TB2 J6 J7 J5 J1 J2 Figure 55 ReliaTel relative humidity sensor enhanced dehumidification operation Low Voltage Terminal Block NLTB NLTB Locat...

Page 33: ...eraging is accomplished by wiring a number of remote sensors in a series parallel circuit Using the BAYSENS016 or BAYSENS077 at least four sensors are required to accomplish space temperature averaging Example 1 illustrates two series circuits with two sensors in each circuit wired in parallel The square of any number of remote sensors is required Example 2 illustrates three sensors squared in a s...

Page 34: ...field wiring diagrams for optional controls ReliaTel only BAYSENS075 BAYSENS075 BAYSENS119 BAYSENS110 BAYSENS108 BAYSENS106 BAYSENS073 BAYSENS074 BAYSENS075 ASYSTAT669A OPTIONAL REMOTE SENSOR Installation 34 RT SVX45F EN ...

Page 35: ...Ohms 10 12 2 63 80 K Ohms 15 9 4 54 66 K Ohms 20 6 7 46 94 K Ohms 25 3 8 40 40 K Ohms 30 1 1 34 85 K Ohms 35 1 7 30 18 K Ohms 40 4 4 26 22 K Ohms 45 7 2 22 85 K Ohms 50 10 0 19 96 K Ohms 55 12 8 17 47 K Ohms 60 15 6 15 33 K Ohms 65 18 3 13 49 K Ohms 70 21 1 11 89 K Ohms 75 23 9 10 50 K Ohms 80 26 7 9 297 K Ohms 85 29 4 8 247 K Ohms 90 32 2 7 330 K Ohms 95 35 0 6 528 K Ohms Installation RT SVX45F E...

Page 36: ...oltage Imbalance 100 x AV VD where AV AV Average Voltage Volt 1 Volt 2 Volt 3 3 V1 V2 V3 Line Voltage Readings VD Line Voltage reading that deviates the farthest from the average voltage Example If the voltage readings of the supply power measured 221 230 and 227 the average volts would be 221 230 227 226 Avg 3 VD reading farthest from average 221 The percentage of Imbalance equals 100 x 226 221 2...

Page 37: ...sition and turn the main power disconnect to the On position and allow the crankcase heater to operate a minimum of 8 hours Before closing the main power disconnect switch insure that the System selection switch is in the Off position and the Fan selection switch is in the Auto position Close the main power disconnect switch and the unit mounted disconnect switch if applicable Note Upon closing ma...

Page 38: ...d at LTB Test 1 and LTB Test 2 Step Test Mode This method initiates the different components of the unit one at a time by temporarily shorting across the two test terminals for two to three seconds For the initial startup of the unit this method allows the technician to cycle a component On and have up to one hour to complete the check Resistance Test Mode This method can be used for startup provi...

Page 39: ... in the Default Operation section above with the exception of the supply fan speed when the unit has an active cooling demand and the economizer is enthalpy enabled Heating Operation During Heating operation the control will monitor the Space Temperature and Space Heating setpoint and with a PI control algorithm determine if active heating capacity is required As the Space Temperature deviates fro...

Page 40: ...n unit access panel momentarily jump across the Test 1 Test 2 terminals on LTB1 one time to start indoor fan 3 Turn the MIN POS DCV potentiometer on the RTEM clockwise to open or counter clockwise to close The damper will open to this setting for low speed fan operation When adjusting minimum position the damper may move to the new setting in several small steps Wait at least 15 seconds for the da...

Page 41: ...and discharge gauge ports for each circuit Refer to the refrigerant circuit illustration in the Service Facts ReliaTel Control MomentarilyjumpacrosstheTest1 Test 2 terminals on LTB1 one additional time if continuing from previous component startup or until the desired startup component Test is started Scroll Compressors a Once each compressor has started verify that the rotation is correct If a sc...

Page 42: ...nstructions for the specific panel Verify that the Remote panel System selection switch Fan selection switch and Zone Temperature settings for automatic operation are correct Inspect the unit for misplaced tools hardware and debris Verify that all exterior panels including the control panel doors and condenser grilles are secured in place Close the main disconnect switch or circuit protector switc...

Page 43: ...s for dirt bent fins etc If the coils appear dirty clean them according to the instructions described in Coil Cleaning later in this section Manually rotate the condenser fan s to ensure free movement and check motor bearings for wear Verify that all of the fan mounting hardware is tight Inspect the F A R A damper hinges and pins to ensure that all moving parts are securely mounted Keep the blades...

Page 44: ...ng of the coil with the pressure washer aimed perpendicular to the face of the coil Note For more details on Microchannel coil cleaning please refer to bulletin RT SVB83 EN Round Tube Plate Fin RTPF Coils WARNING Hazardous Chemicals Failure to follow all safety instructions below could result in death or serious injury Coil cleaning agents can be either acidic or highly alkaline and can burn sever...

Page 45: ...nal Process For future reference you may find it helpful to record the unit data requested in the blanks provided Complete Model Number Unit Serial Number Wiring Diagram Numbers from unit control panel Connections Schematics Table 6 Sample maintenance log Date Current Ambient Temp F C Refrigerant Circuit 1 Compr Oil Level Suct Press Psig kPa Disch Press Psig kPa Liquid Press Psig kPa Super heat F ...

Page 46: ... If 24 VAC is present proceed to Step 4 If 24 VAC is not present check the unit main power supply check transformer TNS1 Proceed to Step 3 if necessary 3 Utilizing Method 1 or Method 2 in the System Status Diagnostic section check the following System status Heating status Cooling status If a System failure is indicated proceed to Step 4 If no failures are indicated proceed to Step 5 4 If a System...

Page 47: ...s is done by checking voltage readings at the RTRM J6 The system indication descriptions and the approximate voltages are listed below System Failure Measure the voltage between terminals J6 9 J6 6 Normal Operation approximately 32 VDC System Failure less than 1 VDC approximately 0 75 VDC Test Mode voltage alternates between 32 VDC 0 75 VDC Heat Failure Measure the voltage between terminals J6 7 J...

Page 48: ...minals 1 and 2 on the Zone Temperature Sensor Below are some typical indoor temperatures and corresponding resistive values Test 2 Cooling Set Point CSP and Heating Set Point HSP Table 7 Cooling setpoint and heating setpoint Zone Temperature Nominal ZTEMP Resistance 50 F 10 0 C 19 9 K Ohms 55 F 12 8 C 17 47 K Ohms 60 F 15 6 C 15 3 K Ohms 65 F 18 3 C 13 49 K Ohms 70 F 21 1 C 11 9 K Ohms 75 F 23 9 C...

Page 49: ...he fan comes on and runs continuously the ZSM is good If you are not able to turn the fan on the ZSM is defective ReliaTel Refrigeration Module RTRM Default Chart If the RTCI loses input from the building management system the RTRM will control in the default mode after approximately 15 minutes If the RTRM loses the Heating and Cooling setpoint input the RTRM will control in the default mode insta...

Page 50: ...nce K ohms Temp F Resistance K ohms Temp F Resistance K ohms 40 26 097 54 17 847 68 12 435 41 25 383 55 17 382 69 12 126 42 24 690 56 16 930 70 11 827 43 24 018 57 16 491 71 11 535 44 23 367 58 16 066 72 11 252 45 22 736 59 15 654 73 10 977 46 22 132 60 15 253 74 10 709 47 21 530 61 14 864 75 10 448 48 20 953 62 14 486 76 10 194 49 20 396 63 14 119 77 9 949 50 19 854 64 13 762 78 9 710 51 19 330 6...

Page 51: ...electrical safety precautions when exposed to live electrical components could result in death or serious injury When necessary to work with live electrical components have a qualified licensed electrician or other individual who has been properly trained in handling live electrical components perform these tasks Compressor Inverter Drive Refer to RT SVD05 EN for VF S15 inverters refer to RT SVD00...

Page 52: ...n TZC048F3 4366 8507 Diagram Connection TZC 048F 060E 4 4366 8961 Diagram Connection TZC060E3 4366 8323 Diagram Controls TZC 036E 048F 060E 1213 1646 Diagram Control TZC060E3 230 460 575V 1213 1928 Diagram Controls TZC 072 090 102 120 F 3 4 W Power ReliaTel 230 460V 1213 1923 Diagram Power TZC 072 090 102 120 F 3 4 4366 8317 Diagram Power TZC 036E 048F 60E 3 4366 8315 Diagram Power TZC 036E 048F 0...

Page 53: ...or the cost of lost refrigerant No liability shall attach to Warrantor until products have been paid for and then liability shall be limited solely to the purchase price of the equipment under warranty shown to be defective THE WARRANTY AND LIABILITY SET FORTH HEREIN ARE IN LIEU OF ALL OTHER WARRANTIES AND LIABILITIES WHETHER IN CONTRACT OR IN NEGLIGENCE EXPRESS OR IMPLIED IN LAW OR IN FACT INCLUD...

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Page 56: ...fications without notice We are committed to using environmentally conscious print practices Trane and American Standard create comfortable energy efficient indoor environments for commercial and residential applications For more information please visit trane com or americanstandardair com RT SVX45F EN 02 Apr 2020 Supersedes RT SVX45E EN Jan 2017 ...

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