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72

APPENDIX IV. WIRING DIAGRAMS

C12399

Fig. 61 

 

50TC D17 

 D30 Power Diagram 460/575

3

60

Содержание 50TC*17 Series

Страница 1: ...stall repair or service air conditioning equipment Untrained personnel can perform the basic maintenance functions of replacing filters Trained service personnel should perform all other operations Wh...

Страница 2: ...ipment manufacturer WARNING UNIT DAMAGE HAZARD Failure to follow this caution can result in reduced unit performance or unit shutdown High velocity water from a pressure washer garden hose or compress...

Страница 3: ...nditions and usage patterns dictate Air Conditioning Condenser fan motor mounting bolts tightness Compressor mounting bolts Condenser fan blade positioning Control box cleanliness and wiring condition...

Страница 4: ...l unit power and Lockout Tagout the unit disconnect switch DO NOT reach into the fan section with power still applied to the unit WARNING Supply Fan Assembly The supply fan system consists of two forw...

Страница 5: ...DAMAGE HAZARD Failure to follow this CAUTION can result in premature wear and damage to equipment Do not use a screwdriver or pry bar to place the new V belt in the pulley groove This can cause stress...

Страница 6: ...he inner race of the bearing and torque the cap screw to 65 70 in lb 7 4 7 9 Nm See Fig 8 LOCKING COLLAR T 25 TORX SOCKET HEAD CAP SCREW C11505 Fig 8 Tightening Locking Collar STAGED AIR VOLUME SAV CO...

Страница 7: ...n premature wear on the V belt and damage to the pulley CAUTION 7 Loosen the four mounting bracket bolts and lock washers 8 Remove four bolts four flat washers four lock wash ers and four nuts attachi...

Страница 8: ...Fan shaft loading increases dramatically as wheel speed is increased EQUIPMENT DAMAGE HAZARD Failure to follow this CAUTION can result in equipment damage Drive packages cannot be changed in the fiel...

Страница 9: ...container and P902 0305 for a 5 gallon 18 9L container It is recommended that all coils including standard aluminum pre coated copper copper or E coated coils be cleaned with the Totaline environment...

Страница 10: ...ry low velocity water stream to avoid damage to the fin edges Monthly cleaning as described below is recommended Routine Cleaning of Evaporator Coil Surfaces Monthly cleaning with Totaline environment...

Страница 11: ...check for possible blockage of one or more of these metering devices disconnect the supply fan contactor IFC coil then start the compressor and observe the frosting pattern on the face of the evaporat...

Страница 12: ...at1 or Subcooling mode the liquid refrigerant flows from the outdoor compressor through the condenser coil to the Reheat1 RH1 x 3 way valve and on to the Humid Mizer coil The Reheat2 RH2 x valve is cl...

Страница 13: ...olenoid is closed See Fig 18 schematic for system refrigerant flow Subcooler Reheat Coil The Subcooler Reheat Coil is mounted across the leaving face of the unit s evaporator coil The coil is a one ro...

Страница 14: ...4VAC J1B 1 7 CTB REHEAT 1 24V Power J1 24VAC J1B 3 9 CTB R 24V Power J2 24 VAC J2 1 CTB R Econ Y2 DI 24VAC J1B 5 11 CTB REHEAT 7 2 circ only COMP1 DO 24VAC J1A 5 5 CTB HEAT 6 IFM DO 24VAC J1B 4 8 CTB...

Страница 15: ...OFF OFF OFF OFF ON X OFF Normal Heat 1 OFF OFF ON G OFF OFF ON R OFF OFF OFF OFF OFF ON ON Reheat Dehumidify ON ON ON G ON ON OFF ON R ON R ON OFF OFF ON ON Subcool Cir1 Reheat Cir2 Cool1 and Cool2 Su...

Страница 16: ...DV Valve Operation No 24V signal to input terminals Check using Cool Reheat1 Valve Test Service Test HMZR CRC using ComfortLink Scrolling Marquee Check CRC Relay Operation Check Wiring Check transform...

Страница 17: ...ge set approved for use with Puron R 410A refrigerant recover all refrigerant from the system 3 Remove the TXV support clamp 4 Disconnect the liquid line at the TXV inlet 5 Remove the liquid line conn...

Страница 18: ...gerant oil to the check valve core s bottom o ring Install the fitting body with 96 10 in lbs of torque do not over tighten OUTLET INLET PUSHRODS DIAPHRAGM NEEDLE VALVE SPRING DISTRIBUTOR FEEDER TUBES...

Страница 19: ...efrigerant leak If the evacuation level raises to 1100 microns and stabilizes then the system has moisture in it and should be dehydrated as GTAC2 5 recommends If the system continues to rise above 11...

Страница 20: ...5F 12 8C 45F 7 2C COOLING CHARGING CHART 17 5 Ton Circuit A C12227 Fig 22 Cooling Charging Chart 15 Ton Circuit A F 35 40 45 50 55 60 65 70 75 80 85 90 95 100 C 1 7 4 4 7 2 10 0 12 8 15 6 18 3 21 1 23...

Страница 21: ...175 0 165 0 155 0 145 0 135 0 125 0 115 0 105 0 95 0 85 0 75 0 Suction Pressure psig Suction Temperature 50HE501089 C 115F 46 1C 105F 40 6C 95F 35 0C 85F 29 4C 75F 23 9C 65F 18 3C 55F 12 8C 45F 7 2C C...

Страница 22: ...22 COOLING CHARGING CHARTS cont C12231A Fig 26 Cooling Charging Chart 20 Ton Circuit A C12232A Fig 27 Cooling Charging Chart 20 Ton Circuit B...

Страница 23: ...23 C12233A Fig 28 Cooling Charging Chart 25 Ton Circuit A C12234A Fig 29 Cooling Charging Chart 25 Ton Circuit B...

Страница 24: ...scopic meaning it absorbs water readily POE oils can absorb 15 times as much water as other oils designed for HCFC and CFC refrigerants Avoid exposure of the oil to the atmosphere CAUTION NOTE Only fa...

Страница 25: ...contaminants into the air and into the open refrigeration system 3 Sweat a new replacement filter drier into the refriger ant line 4 Re charge the refrigerant system Adjusting the Condenser Fan 1 Shu...

Страница 26: ...filter Unit undersized for load Decrease load or replace with larger unit Thermostat set too low Reset thermostat Low refrigerant charge Locate leak repair and recharge Leaking valves in compressor R...

Страница 27: ...onvenience Outlet Location Unit Powered Type A unit mounted transformer is factory installed to stepdown the main power supply voltage to the unit to 115 v at the duplex receptacle This option also in...

Страница 28: ...er backing plate and gasket ELECTRICAL OPERATION HAZARD Failure to follow this warning could result in personal injury or death Before performing service or maintenance operations on the convenience o...

Страница 29: ...ulls the sampled air through the sensing chamber When a sufficient amount of smoke is detected in the sensing chamber the sensor signals an alarm state and the controller automatically takes the appro...

Страница 30: ...ected See installation steps FIOP Smoke Detector Wiring and Response All units The FIOP smoke detector is configured to automatically shut down all unit operations when a smoke condition is detected S...

Страница 31: ...NSOR Operating Position Shown SCREWS 2 SAMPLE TUBE CONTROLLER MODULE C12050 Fig 38 Return Air Sampling Tube Location in Unit with Economizer B D F E A C 48TM502525 D C12559 Fig 39 Typical Smoke Detect...

Страница 32: ...ntroller s ability to initiate a dirty sensor test and indicate its results OPERATIONAL TEST NOTICE Failure to follow this NOTICE may result in an unnecessary evacuation of the facility Pressing the c...

Страница 33: ...erify that the test reset station s Alarm LED turns on 3 Reset the sensor by turning the key switch to the RESET TEST position for two seconds 4 Verify that the test reset station s Alarm LED turns of...

Страница 34: ...er LEDs are off Alarm State The smoke detector enters the alarm state when the amount of smoke particulate in the sensor s sensing chamber exceeds the alarm threshold value See Table 7 Upon entering t...

Страница 35: ...in the detector cleaning section Sensor s Trouble LED is On 1 Check the sensor s Dirty LED If it is flashing the sensor is dirty and must be cleaned 2 Check the sensor s cover If it is loose or missi...

Страница 36: ...en the current to the motor exceeds the circuit breaker setpoint the device opens all motor power leads to the motor shutting the motor down Reset requires a manual reset at the overload switch This d...

Страница 37: ...Scrolling Marquee are not suitable for use with latest PremierLink controller Version 2 x The PremierLink control is factory mounted in the 50TC unit s main control box to the left of the LCTB Factor...

Страница 38: ...hers are only field installable The RTU OPEN controller may also require connection to a building network system or building zoning system All field control wiring that connects to the RTU OPEN must b...

Страница 39: ...39 C10818 Fig 44 RTU OPEN Control Module...

Страница 40: ...irect drive damper actuators ACTUATOR WIRING HARNESS ECONOMIER IV CONTROLLER OUTSIDE AIR TEMPERATURE SENSOR LOW AMBIENT SENSOR C06021 ECONOMI ER2 PLUG BAROMETRIC RELIEF DAMPER OUTDOOR AIR HOOD HOOD SH...

Страница 41: ...Minimum position Closed On Off On Off Off Off Off Off Low Free Cooling LED On High On On On Off Modulating between min position and full open Modulating between closed and full open On Off Off Off Off...

Страница 42: ...sensor temperature resistance values The temperature sensor looks like an eyelet terminal with wires running to it The sensor is located in the crimp end and is sealed from moisture Outdoor Air Locko...

Страница 43: ...n wg FLOW IN CUBIC FEET PER MINUTE cfm C06031 Fig 52 Outdoor Air Damper Leakage Differential Dry Bulb Control For differential dry bulb control the standard outdoor dry bulb sensor is used in conjunct...

Страница 44: ...er IV use The controller selects the lower enthalpy air return or outdoor for cooling For example when the outdoor air has a lower enthalpy than the return air the EconoMi er IV opens to bring in outd...

Страница 45: ...mum amount of outdoor air as required by local codes to enter the building Make minimum position adjustments with at least 10 F temperature difference between the outdoor and return air temperatures T...

Страница 46: ...and an output of 6 7 volts provides the maximum ventilation rate of 20 or base plus 15 cfm per person Use Fig 56 to determine the maximum setting of the CO2 sensor For example an 1100 ppm setpoint rel...

Страница 47: ...ompleting troubleshooting Single Enthalpy To check single enthalpy 1 Make sure EconoMi er IV preparation procedure has been performed 2 Set the enthalpy potentiometer to A fully CCW The Free Cool LED...

Страница 48: ...is used to return the EconoMi er IV to operation No troubleshooting or testing is done by performing the following procedure 1 Disconnect power at TR and TR1 2 Set enthalpy potentiometer to previous...

Страница 49: ...parts or disconnected wires etc b Inspect for oil at all refrigerant tubing connec tions and on unit base Detecting oil generally indicates a refrigerant leak Leak test all refrig erant tubing connec...

Страница 50: ...essures are not within specifications for the specific compres sor Cooling Set space thermostat to OFF position To start unit turn on main power supply Set system selector switch at COOL position and...

Страница 51: ...RT UP RTU OPEN CONTROLS SET UP INSTRUCTIONS Refer to the following manuals for additional installation wiring and troubleshooting information for the RTU OPEN Controller Controls Start up Operation an...

Страница 52: ...ered Hail Guard Q E coat Al Cu E coat Al Cu Louvered Hail Guard R Cu Cu Al Cu Louvered Hail Guard S Cu Cu Cu Cu Louvered Hail Guard Coil Options Novation Outdoor Indoor Hail Guard G Al Al Al Cu H Al A...

Страница 53: ...1 Belt 1 1 Belt 1 1 Belt Max BHP 2 2 2 2 3 3 3 3 RPM range 514 680 514 680 622 822 622 822 motor frame size 56 56 56 56 Fan Qty Type 2 Centrifugal 2 Centrifugal 2 Centrifugal 2 Centrifugal Fan Diamet...

Страница 54: ...6 56 n a Fan Qty Type 2 Centrifugal 2 Centrifugal 2 Centrifugal 2 Centrifugal n a Fan Diameter in 15 x 15 15 x 15 15 x 15 15 x 15 n a Standard Static High Efficiency Motor Qty Belt Qty Driver Type n a...

Страница 55: ...PF Coil Length in 70 70 70 70 57 57 75 75 95 Coil Height in 44 44 44 44 44 44 52 52 52 Rows FPI 2 17 2 17 2 17 2 17 2 17 2 17 2 17 2 17 2 17 total face area ft2 21 4 21 4 21 4 21 4 17 4 17 4 27 1 27 1...

Страница 56: ...river Type 1 1 Belt 1 1 Belt 1 1 Belt 1 1 Belt Max BHP 3 3 4 9 6 5 6 5 RPM range 679 863 713 879 835 1021 913 1116 motor frame size 56 56 184T 184T Fan Qty Type 2 Centrifugal 2 Centrifugal 2 Centrifug...

Страница 57: ...ace area ft2 21 4 21 4 25 1 27 1 Cond Coil Circuit B Coil type Novation Novation Novation Novation Coil Length in 70 70 57 75 Coil Height in 44 44 44 52 Rows FPI 2 2 2 2 total face area ft2 21 4 21 4...

Страница 58: ...3 3 RPM range 514 680 514 680 622 822 622 822 motor frame size 56 56 56 56 Fan Qty Type 2 Centrifugal 2 Centrifugal 2 Centrifugal 2 Centrifugal Fan Diameter in 18 x 15 15 X 11 18 x 15 15 X 11 18 x 15...

Страница 59: ...Belt 1 1 Belt 1 1 Belt 1 1 Belt Max BHP 4 9 4 9 4 9 4 9 RPM range 690 863 690 863 647 791 647 791 motor frame size 56 56 56 56 Fan Qty Type 2 Centrifugal 2 Centrifugal 2 Centrifugal 2 Centrifugal Fan...

Страница 60: ...PF RTPF RTPF RTPF Coil Length in 70 70 64 64 80 80 95 95 Coil Height in 44 44 44 44 52 52 52 52 Rows FPI 2 17 2 17 2 17 2 17 2 17 2 17 2 17 2 17 total face area ft2 21 4 21 4 19 5 19 5 29 6 29 6 34 3...

Страница 61: ...and Drive 826 1009 RPM Max BHP 4 9 Outside operating range Boldface Field Supplied Drive ITALIC Field Supplied Motor and Drive Table 15 50TC D20 VERTICAL SUPPLY RETURN 17 5 TON CFM Available External...

Страница 62: ...x BHP 8 7 Outside operating range Boldface Field Supplied Drive Table 17 50TC D28 VERTICAL SUPPLY RETURN 25 TON CFM Available External Static Pressure in wg 0 2 0 4 0 6 0 8 1 0 RPM BHP RPM BHP RPM BHP...

Страница 63: ...8 9 51 1148 10 27 CFM Available External Static Pressure in wg 1 2 1 4 1 6 1 8 2 0 RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP 8250 959 4 14 1011 4 61 1059 5 08 1106 5 56 1150 6 05 8800 980 4 62 1031 5 11...

Страница 64: ...Medium Static Motor Table 20 50TC D21 HORIZONTAL SUPPLY RETURN 17 5 TON CFM Available External Static Pressure in wg 0 2 0 4 0 6 0 8 1 0 RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP 5250 498 1 18 573 1 60...

Страница 65: ...ace Field Supplied Drive Underscore Field Supplied Drive with High Static Motor ITALIC Boldface Field Supplied Drive with Medium Static Motor Table 22 50TC D29 HORIZONTAL SUPPLY RETURN 25 TON CFM Avai...

Страница 66: ...792 771 751 Medium Static 1190 1163 1136 1109 1082 1055 1028 1001 974 947 920 High Static 1400 1372 1343 1315 1286 1258 1230 1201 1173 1144 1116 NOTE Do not adjust pulley further than 5 turns open Fac...

Страница 67: ...E 50HE502182 C 575 3 60 50HE500887 K 50HE500895 I 50HE502180 E 50HE501774 C D28 208 230 3 60 50HE500887 K 50HE500894 I 50HE502180 E 50HE502185 B 460 3 60 50HE500887 K 50HE500895 I 50HE502180 E 50HE502...

Страница 68: ...68 APPENDIX IV WIRING DIAGRAMS C150425 Fig 57 50TC D17 D28 Control Diagram 208 230 3 60 460 575 3 60...

Страница 69: ...69 APPENDIX IV WIRING DIAGRAMS C150370 Fig 58 50TC D30 Control Diagram 208 230 3 60...

Страница 70: ...70 APPENDIX IV WIRING DIAGRAMS 5 C150368 Fig 59 50TC D30 Control Diagram 460 575 3 60...

Страница 71: ...71 APPENDIX IV WIRING DIAGRAMS C150373 Fig 60 50TC D17 D30 Power Diagram 208 230 3 60...

Страница 72: ...72 APPENDIX IV WIRING DIAGRAMS C12399 Fig 61 50TC D17 D30 Power Diagram 460 575 3 60...

Страница 73: ...73 APPENDIX IV WIRING DIAGRAMS C150375 Fig 62 50TC D17 D30 Control Diagram 208 230 3 60 460 575 3 60 with Humidi MiZer...

Страница 74: ...74 APPENDIX IV WIRING DIAGRAMS C150376 Fig 63 50TC D17 D30 Power Diagram 208 230 3 60 with Humidi MiZer...

Страница 75: ...75 APPENDIX IV WIRING DIAGRAMS C150378 Fig 64 50TC D17 D30 Power Diagram 460 3 60 with Humidi MiZer...

Страница 76: ...76 APPENDIX IV WIRING DIAGRAMS C150379 Fig 65 50TC D17 D30 Power Diagram 575 3 60 with Humidi MiZer...

Страница 77: ...77 APPENDIX IV WIRING DIAGRAMS C12690 Fig 66 50TC PremierLinkt System Control Wiring Diagram...

Страница 78: ...78 APPENDIX IV WIRING DIAGRAMS C12691 Fig 67 50TC RTU OPEN Wiring Diagram...

Страница 79: ...79 APPENDIX IV WIRING DIAGRAMS C12689A Fig 68 50TC SAV VFD System Control Wiring Diagram...

Страница 80: ...24 SENSOR LOCATION C12259 Fig 70 Motormaster Sensor Location D28 Copyright 2015 Carrier Corp 7310 W Morris St Indianapolis IN 46231 Edition Date 12 15 Manufacturer reserves the right to change at any...

Страница 81: ...ING ORIFICE AND SETSCREW TIGHTNESS CHECK TO ENSURE THAT ELECTRICAL WIRING IS NOT IN CONTACT WITH REFRIGERANT LINES OR SHARP METAL EDGES VERIFY PULLEY ALIGNMENT AND BELT TENSION PER INSTALLATION INSTRU...

Страница 82: ...orp 7310 W Morris St Indianapolis IN 46231 Edition Date 12 15 Manufacturer reserves the right to change at any time specifications and designs without notice and without obligations Catalog No 50TC 17...

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