Home

Carrier EVERGREEN HFC-134A User's Manual

1. EP 422 29 422 8 422 9 422 28 A20 24 Fig 47 Control Terminal Blocks DPI Communications Interface Board i 20 U Status LEDs Fig 48 Communications Interface Board Status Lights 40 jeoid AL ejdniniy 404 N22 6r 614 pied WOOD enpoW jeu 2 NDD PYOMION HOJWOO ueg Jeued ui eq duis 310 aNao3i ALIHM aad G 9 1 UJe
2. 47 Copyright 2006 Carrier Corporation Manufacturer reserves the right to discontinue or change at any time specifications or designs without notice and without incurring obligations uh Catalog No 532 309 Printed in U S A Form 23XRV 18SI Pg 50 309 6 06 Replaces New Tab INSTALLATION START UP REQUEST CHECKLIST Machine Model Number 23XRV Serial Number To Attn Date Project Name Carrier Job Number The following information provides the status of the chiller installation Send a copy of this checklist to the local Carrier Service office after it has been completed and signed off by the Purchaser and Job Site Supervisor YES NO DATE TO BE N A COMPLETED 1 The machine is level within in end to end 2 The machine components are installed and connected in accordance with the installation instructions 3 The isolation package and grouting if necessary are installed 4 The relief valves are piped to the atmosphere 5 All piping is installed and supported Direction of flow is indicated in accordance with the installation instructions and job prints Chilled water piping Condenser water piping Waterbox drain piping Pumpout unit condenser piping if installed Other 6 Gages are installed as called for on the job prints required to establi
3. SY T te th T X ALIHM pu ALIHM 17 3 LIHM X 3LIHM ova 1 1 ETG 1 I A agd 41 TO CHILLED WATER PUMP TO CONDENSER WATER PUMP TO COOLING TOWER FAN LEGEND Disconnect Fused on VFD only NOT by Carrier Unit Mounted VFD Control Center Pressure Gages Chilled Water Pump Condenser Water Pump Chilled Water Pump Starter Condensing Water Pump Starter Cooling Tower Fan Starter Vents Piping Control Wiring Power Wiring CONDOM 111111111 IMPORTANT Wiring and piping shown are for general point of connection only and are not intended to show details for a specific installation Certified field wiring and dimensional diagrams are avail able on request NOTES 1 All wiring must comply with applicable codes 2 Refer to Carrier System Design Manual for details regarding piping techniques 3 Wiring not shown for optional devices such as remote start stop remote alarm optional safety device 4to 20 mA 1 to 5 VDC resets optional remote sensors kW output head pressure reference 4 Service clearance under the chiller can be enhanced if the grout is not extended
4. STOP 0000 Fig 46 23XRV Controls Schematic 38 RED BLK CLR 5 5 r 8 4 20 kw 8 COMMUNICATION BLU CONNECTOR CN3 LOW VOLTAGE FIELD WRING TERMINAL STRIP OIL RECLAIM ACTUATOR COMPRESSOR DISCH HIGH PRESSURE 4 20 M HEAD PRESSURE SW ON EXT 4 20 E REFERENCE OUTPUT SW OFF EXT 1 5Vde 8 ALL SMTCHES SET TO OFF POSITION gt m SPARE SAFETY CONTACT NC REMOVE JUMPER EEE ICE BUILD CONTACT 2 7 7 REMOTE START TJ CONTACT VAPORIZER HEATER BLK BLU OL PUMP pee INTERLOCK RED CONNECTOR CN2 BRN BLK BLU OIL PUMP OIL HEATER Re RED RED CLR BLK ALL SWITCHES SET TO OFF POSITION 5 SHEET 2 OF 2 MATCH LINE MATCH LINE 115 vac wi FROM CONTROL TRANSFORMER CONTROL POWER CONNECTOR BX m 359 4L 5 wn FROM CONTROL 6 6c CONTROL POWER CONNECTOR 7 CONDENSER PUMP CONTROL CONTACT BLU 3 24 m TONER FAN LOW CONTROL CONTACT Pc BLU RED VFD RECTIFIER MODULE 1 0 12 TOWER FAN HIGH CONTROL CONTACT ALARM CONTACT OPTION INSTRUCTIONS FOR SHIELD GROUND LOCATION LEGEND ABBREVIATI
5. located next to connectors CN1A and CNIB openings VFD enclosure Tilt the control panel away from the back of the control center secure it in place to prevent damage MOTOR TERMINALS MOTOR TERMINAL BOX FRAME HIGH PRESSURE SWITCH CABLE MOTOR TEMPERATURE SENSOR TERMINA OCK CONNECTOR MOTOR we LOW VOLTAGE FIELD TEMPERATURE WIRING TERMINAL STRIP CABLE CONNECTOR CN3 Fig 17 Motor Terminals Fig 19 Control Panel Connectors 15 OIL HEATER CONDUIT ASY OIL PUMP CONDUIT ASY VAPORIZER HEATER CONDUIT ASY VFD COOLING LINE O RING FACE SEAL COUPLINGS OIL RECLAIM ACTUATOR CABLE VED COOLING SOLENOID CABLE TEMPERATURE SENSOR CABLES PRESSURE SENSOR CABLES Fig 20 Control Panel Back Lifting the Control Center Care should be used to prevent damage due to dropping or jolting when moving the control center A fork truck or similar means of lifting and transporting may be used Sling in a manner that will equalize the load at the pickup points Use a spreader bar if
6. CONTROL_PANEL H LI E DISCHARGE TEMP VAPORIZER TEMP COMPRESSOR OIL Li Se Tee cuo Bee awn H COMPRESSOR MOTOR TEMP rt UU UJ CHO i i H W am n TN PRESSURE FT b ra nvoor of Ses an N DISCHARGE OIL PRESS o a Press evap TO TERMINAL PRESS J4 10 UPPER HUMIDITY ap SENSOR CONDENSER PRESS EVAP ENTERING LIQUID TEMP 4 2 EVAP LEAVING LIQUID TEMP 1 2 COND ENTERING LIQUID TEMP COND LEAVING LIQUID TEMP EXTERNAL INPUT WIRING EVAP REFRIG LIQUID TEMP Fig 22 Control Panel Inputs SEPARATE THE COMPRESSOR FROM THE The VFD blocks access to the compressor mounting bolts CONDENSER It must be removed before the compressor can be separated from the condenser See instructions to remove the VFD from A CAUTION the condenser Refer to Table 10 Do not rig the condenser before the control center and compressor are removed The condenser compressor assembly has a high center of gravity and may tip ove
7. SNIdld YANOLSND SHOSN3S LNIOd NONWOO vn z 310N M3 335 38 OL N d cf 335 cf ALON 335 45 STOYLNOO lf MITTIHO TANVd T1O8 amp LNOD 1409 Be31 pee es 614 310N 335 227 9 OL NOlLdO MOSN3S NOWWOO 135 O3TIVISNI SHOSN3S 3HflVH3dW3L N3LVM Q3TlIHO NOWWOO 3l SNOlLVOllddV S3lM3S NI SH3TIIHO 9v1 Qv31 JHL 31VNN3llV OL G38IND3Y 3HV SHOSN3S NONNOO 2 AINO Q 3IHS ANNOYD 71 STOMLNOO Zf YaTIIHO TANVd TOULNOD ALON 0000 0000 9 2 9 Ene 2 2 21 39018 TWNINYAL TWNINYAL 13 10 1 02 T3NVd 7O8LNOD 1 M3TIIHO 1314 38 OL ONIAV3T M3IA NY ld M3IA NV ld SHOSN3S LNIOd NONNOD WF 24 YITIHO Y3WOLSNO 3 Ni ss 05 ___ che 100 Ni
8. CONTROL OUTPUT TO FLOW CONTROL DEVICES SPEED VALVE S ETC IF REQUIRED TO ESTABLISH FLOW PRIMARY COOLING TOWER FAN MOTOR HIGH 2 NOT BY CARRIER VOLTS F OPTIONAL HAND OFF AUTO SW SEE NOTE 3 3 CONTROL OUTPUT TO FLOW CONTROL DEVICES SPEED VALVE S ETC IF REQUIRED TO ESTABLISH FLOW OPTIONAL COOLING TOWER FAN MOTOR LO 1 NOT BY CARRIER MATCH LINE REE 1 4 20 mA OUTPUT REFERENCE TO SIGNAL CONTROLLER FOR DEVICE CHOICE S NOT BY CARRIER EXAMPLES TOWER BYPASS VALVE TOWER SPEED CONTROL CONDENSER PUMP SPEED CONTROL MATCH LINE SEE NOTE 3 5 Fig 44 Typical Field Wiring Schematic cont 33 ITEM DESCRIPTION UNIT MOUNTED VFD WITH SHUNT TRIP CIRCUIT BREAKER 65K AMPS INTERRUPT SHORT CIRCUIT UNIT MOUNTED VFD WITH SHUNT TRIP CIRCUIT BREAKER 100K AMPS INTERRUPT SHORT CIRCUIT INCLUDES CHILLED WATER PUMP CONTACT OUTPUT CONDENSER WATER PUMP CONTACT OUTPUT TOWER FAN LOW 41 CONTACT OUTPUT TOWER FAN HIGH 42 CONTACT OUTPUT ALARM CONTACT OUTPUT SPARE SAFETY DRY CONTACT INPUT 0 REMOTE START DRY CONTACT INPUT N O ICE BUILD DRY CONTACT INPUT 3 PHASE UNDER OVER VOLTAGE PROTECTION LINE SIDE PHASE LOSS IMBALANCE REVERSAL PROTECTION LINE SIDE FREQUENCY SHIFT PROTECTION LINE SIDE OVER CURRENT PROTECTION LINE AND LOAD SIDE PHASE TO GROUND FAULT PROTECTION LINE AND LO
9. Cooling Refrigerant Strainer Cooler Refrigerant Pumpout Valve ASME Nameplate Cooler Fig 3 Typical 23XRV Components Condenser Pressure Evaporator Pressure Compressor Discharge Temperature Compressor Discharge Pressure Compressor Discharge High Pressure Switch Compressor Motor Winding Temperature Hidden Evaporator Refrigerant Liquid Temperature Hidden Condenser Liquid Temperature Condenser Liquid Flow Optional OONOOBRWON 10 Inductor Temperature Switch Inside VFD Enclosure 11 VFD Rectifier Temperature Inside Power Module 12 VFD Cold Plate Temperature Inside VFD Enclosure 13 VFD Inverter Temperature Inside Power Module 14 Humidity Sensor Inside VFD Enclosure 15 Oil Pressure Leaving Filter Hidden 16 Oil Sump Pressure Hidden 17 Oil Sump Temperature Hidden 18 Vaporizer Temperature 19 Evaporator Liquid Temperature 20 Evaporator Liquid Flow Optional Fig 4 Typical 23XRV Installation Sensor Locations ID No 179615 XXX XXX Input Rating XXXVAC XXXA 50 60Hz 3PH Output Rating 0 480VAC XXXA 0 400Hz 3PH Short Circuit Rating Interrupt Capacity Rating Enclosure Type TYPE 1 Coolant Type Design Pressure XXX XXXX Carrier Part Number 23XRA2XXXXX VFD Serial Number XXXXXXXXX Carrier Dwg Number 23XR04000301 Mfd in X
10. 2 4 81000 ZH 3 100 i s JE 843 L M31N39 10MINOO a 10MINOO TANVd TONLNOD cf YITIIHO JO 553 00 gor HINIL LInv4 LYVISINd gor 015 9V1 gor LYVLS 9 1 gor 838 53 00 9v1 gor ALIOVdVO 9v1 cf 3LON 339 318 510 NOLLdO MOSN3S NOWWOO gor NOlLdO QVO z 9v1 1 av3 NOLLVYNDISANOD 9v1 Qv31 7OMINOO 1 YINIH v 5 S bs WoO S 8 cf ALON 335 yam TANVd 1OHLNOO vf u3ddn zf 310N 335 Cf ALON 335 cf 310N 335 M3ITIIHO 40 SSIYAAY HINLL LINYA 19 15344 9015 9 1 HINLL 1915 977 gor ss3yddv 5v1 Yad 9 1 ILON 335 318 510 NOlLdO NOSN3S NOWAOO NOlldO OVOT Borea ede 7OMINOO Ov3V 2f MITTIHO 46 uoneinsu AUXEZ 79 614 4 NOLLVTNSNI Q3TIVISNI 5 5 1 Q3TIVLSNIAHOLOVA 1
11. 42 104 16 159 FRAME4 1AND3PASS 150 1494 4 2 55 150 989 2 4 104 49 204 FRAME 5 1 AND3PASS 95 104 FRAME 5 2 PASS 150 5 6 104 52 227 FRAME 3 1 5 2068 NA FRAME 3 2 PASS 30 40 42 28 195 159 FRAME 4 1 AND3PASS 30 28 FRAME 4 2 PASS 178 FRAME 5 1 AND 3 PASS 300 FRAME 5 2 PASS 189 Add to heat exchanger data for total weights or volumes NOTES 1 Weight adder shown is the same for cooler and condenser of equal frame size 2 For the total weight of a vessel with a marine waterbox add these values to the heat exchanger weights or volume Table 9A 23XRV Waterbox Cover Weights English Ib CONDENSER WATERBOX ___ 5 Frame 5 DESCRIPTION Victaulic FI d FI d Victaulic FI d Victaulic FI d Victaulic FI d Victaulic FI d Nozzles Nozzles anged Nozzles anged Nozzles anged Nozzles anged Nozzles ange NIH 1 pass Cover 150 PSIG 229 NIH 2 pass Cover 150 PSIG 298 NIH 3 pass Cover 150 PSIG 655 NIH Plain End 150 PSIG 154 MWB End Cover 150 PSIG 154 390 NIH 1 pass Cover 300 PSIG 840 NIH 2 pass Cover 300 PSIG 878 NIH 3 pass Cover 300 PSIG 838 NIH Plain End 300 PSIG 658 MWB End Cover 300 PSIG 445 619 445 619 522 522 522 522 658 658 658 658 359 474 3
12. Bole in 07 LL CC st io cr 3 Carrier United Technologies Company MODEL NUMBER SERIAL NUMBER MACHINE NAMEPLATE SUPPLY DATA VOLTS PHASE HERTZ LOCKED ROTOR AMPS OVERLOAD TRIP AMPS MAX FUSE CIRCUIT BREAKER SIZE MIN SUPPLY CIRCUIT AMPACITY MACHINE ELECTRICAL DATA MOTOR NAMEPLATE VOLTAGE 480V COMPRESSOR 100 SPEED RATED LINE VOLTAGE RATED LINE AMPS RATED LINE KILOWATTS MOTOR RATED LOAD KW MOTOR RATED LOAD AMPS MOTOR NAMEPLATE AMPS MOTOR NAMEPLATE RPM MOTOR NAMEPLATE KW INVERTER PWM FREQUENCY CONTROLS OIL PUMP AND HEATER DATA CONTROLS 01 PUMP AND HEATER CIRCUIT 115V MAX FUSE SIZE 15 MIN CIRCUIT AMPACITY 15 OIL PUMP 1157 48 OIL SUMP HEATER 115V 4 35 500W OIL VAPORIZER HTR CIRCUIT 15 MAX FUSE SIZE 15A MIN CIRCUIT AMPACITY 15A OIL VAPORIZER HEATER 115V 13 044 15004 CARRIER CHARLOTTE 9701 OLD STATESVILLE ROAD CHARLOTTE NORTH CAROLINA 28269 PRODUCTION YEAR 20XX 23XR0500300 REV 4 0 Fig 7 Machine Electrical Data Nameplate HEAT EXHANGER GOMPRESSOR MAXIMUM WEIGHT VESSEL CHANLENGTH DIM CODE FRAME SIZE Ib LENGTH 8 up 30 32 3 8 35 37 3 8 40 42 3 11 45 47 3 11 50 52 4 47 55 57 4 0 4 4 11th character of the chil
13. DISCHARGE ISOLATION VALVE OPTIONAL VALVE b USE CONDENSER CHARGING VALVE TO ADD CHARGE 3 PRESSURE RELIEF SAFETY VALVE STORAGE TANK LIQUID Eme PUMPOUT COMPRESSOR SERVICE VALVE ON CHILLER FIELD SUPPLIED MAINTAIN AT LEAST 2 FT 610mm CLEARANCE AROUND STORAGE TANK FOR SERVICE AND OPERATION WORK OIL SEPARATOR I PUMPOUT CONDENSER j PUMPOUT CONDENSER ers im WATER SUPPLY AND RETURN STORAGE TANK VAPOR VALVE Fig 40 Optional Pumpout System Piping Schematic with Storage Tank Configured to Pull Vapor out of Chiller or to Charge Chiller from Storage Tank COOLER INLET 9 ISOLATION VALVE COOLER REFRIGERANT PUMPOUT VALVE 7 COOLER CHARGING VALVE 5 SERVICE VALVE ON SERVICE VALVE ON PUMPOUT UNIT CHILLER DISCHARGE ISOLATION VALVE OPTIONAL CONDENSER CHARGING VALVE a M PRESSURE SERVICE VALVE RELIEF SAFETY SE VALVE OIL SEPARATOR I PUMPOUT PUMPOUT CONDENSER COMPRESSOR le 5 PUMPOUT CONDENSER WATER SUPPLY AND RETURN Fig 41 Optional Pumpout System Piping Schematic without Storage Tank 29 Config
14. ISOLATION VFD DRAIN VALVE ISOLATION VALVE VFD REFRIGERAN STRAINER MOTOR COOLING FILTER DRIER FILTER ISOLATION VALVE DRIER SIGHT GLASS FILTER DRIER ISOLATION VALVE Fig 15 VFD Refrigerant Isolation Valves Disconnect the high pressure switch leads from terminal T i 1 8 strip TB1 terminals 15 and 16 Fig 19 C Unplug connectors CN2 and CN3 CONNECTOR CN1B Fig 19 Disconnect the control panel ground wire Fig 19 that is ER E d Disconnect the VFD cooling lines Fig 20 and cover all Remove the 12 screws that secure the control panel to the Position the control panel on top of the condenser and SHIPPING BRACKET Fig 16 VFD Shipping Bracket Remove the nuts that secure the terminal box transition m piece to the motor housing Fig 18 ICVC Communication Cables Disconnect the motor leads from the motor terminals Fig 17 Note the position of the motor terminal cable lugs so they can be reinstalled with sufficient clearance away from surrounding structure Remove the motor temperature sensor leads Fig 17 the motor ground lead and the bolts that secure the VFD mT enclosure to the terminal box transition piece CONNECTOR CN1A GROUND WIRE Disconnect the communication cables from the back of the ICVC Fig 18
15. Model Number Identification Identifying the Drive by Part Number Each LiquiFlo 2 0 AC drive can be identified by its part number See Fig 5 This number appears on the shipping label and on the VFD nameplate Drive Input Component Location Figure 6 identifies the control center components Identifying the Power Module by I D Number Each Liqui Flo 2 0 AC power module can be identified by its I D number See Fig 5 This number appears on the shipping label and on the power module s nameplate Power ratings are provided in Table 1 INSTALLATION REQUIREMENTS Certain requirements should be checked before continuing with the chiller s electri cal installation Input power wire sizes branch circuit protec tion and control wiring are all areas that need to be evaluated Determining Wire Size Requirements Wire size should be determined based on the size of the conduit openings and applicable local national and international codes e g NEC National Electric Code CEC California Energy Commis sion regulations General recommendations are included in the Carrier field wiring drawing Conduit Entry Size It is important to determine the size of the conduit openings in the enclosure power entry plate so that the wire planned for a specific entry point will fit through the opening Do NOT punch holes or drill into the top surface of the control center enclosure for field wiring Do not punch holes or dri
16. Optional Unit Mounted Pumpout Unit 75 Vaporizer Oil Sump 318 Economizer 542 246 determine compressor frame size refer to Fig 2 Table 7 23XRV Heat Exchanger Data ENGLISH SI Dry nigang Weight Machine Charge Dry Rigaing Weight Machine Charge Refrigerant Liquid Weight Refrigerant Liquid Condenser Weight Ib Ib Cooler Condenser Weight kg Weight kg Only With Without Only 0 With Without Economizer Cooler Condenser Economizer Economizer C99ler Condenser 30 4148 3617 4 363 4330 _ 3818 32 4522 4023 CODE Cooler 464 464 531 542 1959 1769 363 295 241 246 601 621 2046 1860 363 295 273 282 1877 1676 295 210 210 5 e lt 46 64 53 542 60 621 35 9 4529 90 70 511 2000 2089 43 54 232 233 36 4627 4758 90 760 587 602 2094 2195 345 266 273 4845 49922 90 760 667 692 2193 229 345 303 314 ao 5008 4962 900 750 863 915 2675 26 408 340 391 415 5178 5155 900 75 930 995 2758 2839 48 340 422 451 a2 5326 5347 900 750 990 1074 2832 292 48 449 487 45 5463 5525 1015 865 938 998 2882 3001 40 302 425 453 46 5659 547 1015 865 1014 1088 2976 3108 460 392 460 494 00 00 1 00 1 7 7 3 0 1015 8 47 5830 491 535 50 5827 567 499 499 556 6053 541 591 567 499 566 626
17. Wait five minutes 2 Verify that there is no voltage at the input terminals L1 L2 and L3 of the power module 3 Verify that the status LEDs on the Communications Interface Board are not lit See Fig 48 The location of the Communications Interface Board is shown in Fig 6 4 Use a screwdriver to remove conduit twist outs in the control panel Do not punch holes or drill into the top surface of the control center enclosure for field wiring Knockouts are provided in the back of the control center for field wiring connections 5 Connect the control wiring as shown in Fig 47 Tighten all connections to 7 to 9 in Ib 37 CONNECT CONTROL INPUTS Wiring may be speci fied for a spare safety switch and a remote start stop contact can be wired to the starter terminal strip Additional spare sen sors and Carrier Comfort Network modules may be specified as well These are wired to the machine control panel as indicated in Fig 49 CONNECT CONTROL OUTPUTS Connect auxiliary equipment chilled and condenser water pumps and spare alarms as required and indicated on job wiring drawings CONNECT STARTER The 23XRV is equipped with a unit mounted VFD starter Fig 50 IMPORTANT Be sure to ground the power circuit in accordance with the National Electrical Code NEC applicable local codes and job wiring diagrams Also make sure correct phasing is observed for proper rotation A CAUTION Do not punch holes or d
18. 108LNOO ORO 00000 1 PAEA a One 2 21 WE YITIHO JO SS3300V gor 83d LINYA LYVISIYd gor HINIL 015 gor YANIL LYVLS 9v1 gor Yad Ss3HQav 9v1 gor Yad ALllovdvO 9 1 f 310N 335 318VN3 318VSIO NOIL4O YOSNSS NONNOD gor 83d NOILdO 3ONV V8 QVO gor 2 9 1 1 0v3 Qv3Vzf 1 335 5 1011002 Be31 peo1 MJA NV ld 131 40 Wv34lS NMOQ SH3L3AVIO 3dld OL 40 WNWININ v SYOSNIS LNIOd NOWWOO TIVLSNI FISVN3 OL NOlLdO NOSN3S NONNOO 13S 0311 16 34V SMOSN3S SYNLVYSdWAL HILVM G3TIIHD NOWNWOO 4l dWnd Y3LVM Q3TIIHO NOWWOO lt S3NIHOVA 13T1VUV v NO SH31000 JHL 31 G38NDIY SYOSNIS LNIOd NOWWOO Z AINO Q 3IHS ANNOYD L WF XINH ALON Ni mS NO SN mm rta ryt 1 1 rq i TOULNOD u Vi m EJ MEN T3NVd TOYLNOO 2 ita i No 3 100 YILNIO IOMLNOO cf YITIHO T3NVd TOYLNOOD eS MEAN 92 sz 43401 vr 2 ALON 33S MITNHO
19. 2305 551057 7 6 2305 Assumes both cooler and condenser nozzles on same end of chiller T1 or 3 pass length applies if either or both cooler or condenser is a 1 or 3 pass design NOTES 1 Service access should be provided per American Society of Heating Refrigeration and Air Conditioning Engineers ASHRAE 15 latest edition National Fire Protection Association NFPA 70 and local safety code Allow at least 3 ft 915 mm overhead clearance for service rigging for frame R compressor Certified drawings available upon request Marine waterboxes may add 6 in to the width of the machine See certified drawings for details A length dimensions shown are for standard 150 psi design and victaulic connections The 300 psi design and or flanges will add length See certified drawings Dished head waterbox covers not available for 3 pass design Table 3 23XRV Dimensions Marine Waterbox A Length Marine Waterbox not shown MAXIMUM MAXIMUM MEAT RANGER Tor 3 Passt ENIM 4406 164 4997 2067 16 51 5017 18 11 4 5518 2067 15 23 4642 16 81 4 5086 2076 7 30 to 32 35 to 37 40 to 42 45 to 47 50 to 52 55 to 57 16 1114 5163 18 43 5607 2076 15 31 4661 16 81 5093 2159 5182 5613 2159 Assumes both cooler and condenser nozzles on same end of chiller T1 or 3 pass length applies if cooler is a 1 or 3 pass design NOTES 1 Service access should be provided
20. 55 6370 545 607 56 6631 591 648 57 6795 649 581 621 687 Rigging weights are for standard tubes of standard wall thickness Turbo B3 and Spikefin 2 0 025 in 0 635 mm wall NOTES 1 Cooler includes the suction elbow and 1 the distribution piping weight 2 Condenser includes float valve and sump discharge stub out and 1 the distribution piping weight a 3 For special tubes refer to the 2 Computer Selection Program 4 All weights for standard 2 pass NIH nozzle in head design with victaulic grooves Table 8A 23XRV Additional Data for Cooler Marine Waterboxes AEE s Ib see Note 2 gal kg see Note 2 L FRAME 3 1 AND 3 PASS 318 FRAME 3 2 PASS 159 FRAME 4 1 AND 3 PASS 413 FRAME 4 2 PASS 204 FRAME 5 1 AND 3 PASS 462 FRAME 5 2 PASS 00 s 6 1084 55 231 FRAME 3 1 AND 3 PASS 318 FRAME 3 2 PASS 159 FRAME 4 1 AND 3 PASS 413 FRAME 4 2 PASS 178 FRAME 5 1 AND 3 PASS 462 FRAME 5 2 PASS 201 Add to heat exchanger data for total weights or volumes NOTES 1 Weight adder shown is the same for cooler and condenser of equal frame size 2 Forthe total weight of a vessel with a marine waterbox add these values to the heat exchanger weights or volume 10 Table 8B 23XRV Additional Data for Condenser Marine Waterboxes pcen a bass Note gal kg see Note 2 L FRAME 3 1 5 150 104 FRAME 3 2 PASS 5 5
21. CABLE OIL SUMP TEMP CABLE HGBP CONDUIT OPTIONAL COMR R DISCH TEMP CABLE DISCH PRESS SWITCH DISCH PRESS CABLE COMP R DISCHARGE TEMP CABLE DISCH PRESS CABLE DISCH PRESS SWITCH VFD COOLING SOLENOID CONDENSER PRESSURE CABLE EVAPORATOR PRESSURE CABLE CONDUIT LEGENE PRESSURE HGBP Hot Gas Bypass OIL RECLAIM LEAVING HTR Heater ACTUATOR ENT LVG Entering Leaving CABLE FILTER OIL SUMP CABLE PRESSURE LEGEND HGBP Hot Gas Bypass HTR Heater ENT LVG Entering Leaving MOTOR TEMP CABLE SUCTION END CABLE TRAY CONTAINING OIL SUMP TEMPERATURE CABLE CABLE VAPORIZER HEATER CONDUIT OIL HTR CONDUIT OIL PUMP CONDUIT OIL RECLAIM ACTUATOR CABLE OIL SUMP PRESS CABLE OIL PRESS CABLE OIL SUMP TEMP CABLE HGBP CONDUIT OPTIONAL Fig 11 Electrical Cable Routing Back View 12 OIL HEATER CONDUIT EVAPORATOR REFRIG LIQUID TEMPERATURE SENSOR CABLE Separate Machine Components The design of the 23XRV allows for disassembly at the job site so that individual components may be moved through existing door ways Use the following procedures to separate the machine components Suggested locations to cut piping will minimize the width of the condenser economizer assembly SEPARATE COOLER AND CONDENSER IMPORTANT If the cooler and condenser vessels must be separated the heat exchangers should be
22. Drive International Chiller Visual Controller ICVC Discharge Pipe Relief Valve Condenser Oil Reclaim Actuator Vaporizer Sight Glass Oil Filter Assembly Hidden Vaporizer Oil Charging Drain Valve Oil Sump Condenser Refrigerant Pumpout Valve Condenser Float Chamber Cooler Inlet Isolation Valve ASME Nameplate Economizer Hidden Filter Drier Oil Sump Heater Condenser Supply Return End Waterbox Cooler Supply Return End Waterbox Motor Cooling Supply Line VFD Disconnect Discharge Pipe Compressor Discharge Check Valve Access Cover Condenser Relief Valves Refrigerant Charging Valve Cooler Relief Valve Tubesheet Mounting Brackets Typical Waterbox Drain Coupling ASME Nameplate Condenser Oil Pump Oil Pump Inlet Strainer Strainer Housing Sight Glass Discharge Isolation Valve Option or Accessory Refrigeration Machine Nameplate Machine Electrical Data Nameplate Oil Sump Sight Glass Filter Drier Isolation Valve with Schrader Economizer Motor Cooling Sight Glass Motor Cooling Isolation Valve Vaporizer Drain Sight Glass VFD Cold Plate Refrigeration Inlet Connection Outlet Hidden VFD Cold Plate Solenoid Compressor Nameplate Compressor Lubrication Block Economizer Muffler Vaporizer Condenser Gas Isolation Valve Hot Gas Bypass Isolation and Trim Valve
23. N TERMINAL BOX MOUNTING STUD DO NOT EXCEED SECTION E E 120 FT LB TORQUE Fig 27 Motor Terminal Box TERMINAL ENCLOSURE TE FRAME FRAME CENTER TERMINAL ENCLOSURE FRAME OVER TERMINAL BOX FRAME ASSEMBLY WASHER T2 9 9 FR __ j Ty ST 0 38 APPROX MOTOR FOAM 2 TERMINAL INSULATION LJ STUD NUTS WIRE MOTOR POWER CABLES TIES MAY BE 1 OR 2 PER SECTION C C TENES FROM FIG 27 VIEW LOOKING DOWN INTERNAL EXTERNAL TOOTH LOCK WASHER BETWEEN TERMINAL BOX FRAME AND PE GROUND CABLE LUG Fig 28 Motor Terminal Insulation 21 Insulate Motor Terminals and Lead Wire Ends Locate heat shrink tubing RCD P N LF33MM114 over power connections so that they are completely covered and tubing is against motor housing Shrink into position Slide foam tubing 3 in inner diameter closed cell vinyl neoprene or nitrile foam part way over the heat shrink tubing Apply adhesive for closed cell foam insulation to motor side end of the foam tubing and push tubing the rest of the way over the terminal and against the sheet insulation on the motor side Secure the opposite end of the foam tubing with a wire tie as shown in Fig 28 Alternate Insulation for Motor Terminals and Lead Wire Ends Insulate compressor motor terminals lead wire ends and electrical wires to
24. RETURN LINE VAPORIZER MOUNTING BOLTS VAPORIZER HOT OIL PRESSURE GAS SUPPLY LINE VALVE OIL SU HEATER FUNCTION BOX VAPORIZER HEATER JUNCTION BOX REGULATOR ISOLATION OIL RECLAIM OIL PUM ACTUATOR SUNCTION BOX HIDDEN Fig 24 Oil Concentrator Removal BEARING OIL DRAIN LINE OIL SUPPLY c LINE VAPORIZER VENT LINE VAPORIZER HOT VAPORIZER GAS SUPPLY LINE OIL PUMP S 22 TS N OIL PRESSURE Sy 2 REGULATOR VALVE m OIL SUMP OIL PRESSURE OIL FILTER OIL RECLAIM REGULATOR ISOLATION LINE VALVE p 4 U VAPORIZER HOT GAS RETURN LINE Fig 25 Oil Reclaim Piping OIL SUPPLY LINE TO COMPRESSOR OIL PRESSURE OIL RECLAIM LEAVING FILTER OIL PRESSURE ACTUATOR SENSOR REGULATOR LINE OIL FILTER SCHRADER OIL RECLAIM VALVE LINE FROM COOLER PRESSURE OIL SUMP STRAINER SENSOR OIL PUMP OIL FILTER ISOLATION VALVE OIL SUMP TEMPERATURE OIL FILTER SENSOR OIL PUMP OIL FILTER PUMP ISOLATION VALVE JUNCTION BOX Fig 26 Oil Reclaim Components 20 TERMINAL ENCLOSURE FRAME TERMINAL ENCLOSURE FRAME MOTOR LEADS MOTOR TEMPERATURE SENSOR TERMINAL BLOCK PROTECTIVE EARTH PE GROUND CONNECTION COMPRESSOR FOAM INSULATION THERMAL INSULATOR INSULATION FRAME ASSEMBLY TERMINAL
25. after input power has been disconnected After disconnect ing input power wait 5 minutes for the DC bus capacitors to discharge then check both the VFD DPI Communica tions Interface Board Status LEDs and the VFD with a voltmeter to ensure the DC bus capacitors are discharged before touching any internal components Failure to observe this precaution could result in severe bodily injury or loss of life 1 Turn off lock out and tag the input power to the drive Wait five minutes 2 Verify that there is no voltage at the input terminals L1 L2 and L3 of the power module 3 Verify that the status LEDs on the DPI Communications Interface Board are not lit See Fig 48 The location of the Communications Interface Board is shown in Fig 6 4 Remove any debris such as metal shavings from the enclosure 5 Check that there is adequate clearance around the machine in accordance with the certified print 6 Verify that the wiring to the terminal strip and the AC input power terminals is correct 7 Check that the wire size is within terminal specifications and that the wires are tightened properly 8 Check that specified branch circuit protection is installed and correctly rated 9 Check that the incoming power is rated correctly 10 Verify that a properly sized ground wire is installed and a suitable earth ground is used Check for and eliminate any grounds between the power leads Verify that all ground leads are unbrok
26. along the entire length of the heat exchangers 5 Carrier does not recommend pre fab water piping 10 MAIN COMPRESSOR MOTOR POWER Field installed piping must be arranged and supported to avoid stress on the equipment and transmission of vibrations from the equipment as well as to prevent interference with routine access for the reading adjusting and servicing of the equipment Provisions shall be made for adjustment in each plane of the piping and for periodic and major servicing of the equipment Relief valves on the cooler and condenser must be vented to the outdoors as discharging refrigerant in closed spaces may displace oxygen and cause asphyxiation All field supplied refrigerant relief piping and devices must be used in accordance with ANSI ASHRAE standard 15 Dual pressure relief valves are mounted on the three way valves in some locations to allow testing and repair without transferring the refrigerant charge Three way valve shafts should be turned either fully clockwise or fully counterclockwise so only one relief valve is exposed to refrigerant pressure at a time The flow area of discharge piping routed from more than one relief valve or more than one heat exchanger must be greater than the sum of the outlet areas of all relief valves that are expected to dis charge simultaneously All relief valves within a machinery room that are exposed to refrigerant may discharge simultaneously in the event of a fir
27. in are in a millimeters rH j 3 The weights and center of ial D M 4 gravity values given are for an J L empty storage tank 4 For additional information on 45 the pumpout unit see certified K _ _ 3 _ _ _ E _ _ drawings 5 Conduit knockout is located on the side of the control box 6 28 cubic ft storage tank weight 2334 Ib 1059 kg 7 52 cu ft storage tank weight 1 3414 Ib 1549 kg 1 V LIQUID CONN 0 9 229mm U 0 9 7 8 TYPICAL 249mm N FRONT VIEW a 1 0 3 4 DIMENSIONS 324 ENGLISH ft in 0 7 15 16 202 E meum e e To Te Te RELIEF VALVE CONN SIZE 0 23 4 1 2 DIA K O 428 10 1 4 41 2 43 1 23 11 43 113 47 2 99 PUMPOUT POWER i gt FA SIDE 4 2 4 2 4 2 4 4 4 16 4 TANK SIZE L T v w ice 0426 25 c 0 5 0452 6119 2101526 4 5 SI mm 0428 3175 2997 1327 1935 1203 1038 1 88 0452 4553 4381 1429 1029 2191 1302 1137 aaa 0 10 0428 1032 89 1451 1143 1530 0452 1130 86 2124 1225 1537 LEFT SIDE VIEW Fig 38 Optional Pumpout Unit and Storage Tank 27 RATED DRY WEIGHT AND REFRIGERANT CAPACITY ENGLISH Ib R 134a MAXIMUM REFRIGERANT CAPACITY Ib TANK OD in Ib ANSI ASHRAE 15 UL 1963 24 00 2334 1860 27 25 3414 3563
28. kept level by placing a support plate under the tube sheets The support plate will also help to keep the vessels level and aligned when the vessels are bolted back together NOTE For steps through 13 refer to Fig 12 The cooler has been removed from the picture to show the pipes and lines that must be cut 1 Suction Elbow Unbolt 2 Vaporizer Vent Line Unbolt 3 Motor Cooling Line Unbolt 4 Motor Cooling Drain Line Cut 5 Tubesheet Mounting Bracket 6 Bearing Oil Drain Line 7 Support Plate 8 In Line Economizer Orifice Plate 9 Cooler Liquid Feed LIne Unbolt 10 Hot Gas Bypass Line Cut Check that the holding charge has been removed from the chiller 1 Place a support plate under each tube sheet to keep each vessel level 2 Remove cooler relief valve and relief valve vent piping AU Cutthe motor cooling refrigerant drain line Rig the suction elbow and disconnect the compressor suction line at the cooler and compressor Remove bolts from the vaporizer vent line flange Cutthe VFD cooling drain line Cutthe oil reclaim line s Cut the hot gas bypass line between the HGBP hot gas bypass solenoid valve and the cooler feed line Unbolt the cooler liquid feed line near the economizer or condenser float chamber at the flanged connection Temporarily secure the in line economizer orifice plate economized chillers only to the economiz
29. per American Society of Heating Refrigeration and Air Conditioning Engineers ASHRAE 15 latest edition National Fire Protection Association NFPA 70 and local safety code Allow at least 3 ft 915 mm overhead clearance for service rigging for frame R compressor Certified drawings available upon request Marine waterboxes may add 6 in to the width of the machine See certified drawings for details A length and B width dimensions shown are for standard 150 psi design and victaulic connections The 300 psi design and or flanges will add length See certified drawings ARON Table 4 23XRV Waterbox Nozzle Sizes FRAME PRESSURE ACTUAL PIPE ID in SIZE Condenser 1 170 10 1000 10 020 8 8 798 7 981 6 065 10 020 7 981 6 6 6 6 065 10 10 020 5 1 10 1 74 10 020 o 8 6 7 981 150 300 1034 2068 150 300 1034 2068 Table 5 23XRV Compressor Weights ENGLISH 5 Total Compressor Total Compressor Weight Weight Ib kg MOTOR CODE 4866 2207 Compressor weight is comprised of compressor stator rotor and end bell Table 6 23XRV Component Weights TR Compressor COMPONENT HEAT EXCHANGER HEAT EXCHANGER HEAT EXCHANGER b kg b b Suction Elbow 105 Discharge Pipe Assembly 747 339 747 339 747 339 Control Center 749 Discharge Pipe Adapter Flange 81 Optional Isolation Valves 52
30. terminals of the circuit breaker See Fig 6 5 Tighten the AC input power terminals and lugs to the proper torque as specified on the input circuit breaker SHT 3 OF 4 SHT 4 OF 4 BRANCH DISCONNECT CHILLER CONTROL 7 CENTER ENCLOSURE SEE NOTE 2 4 POWER INPUT SECTION LEFT DOOR CONTROL PANEL SECTION RIGHT DOOR COMP R DISCH HIGH PRESSURE FACTORY WRED 4 20mA HEAD PRESSURE REFERENCE OUTPUT REMOTE START STOP CONTACT CUSTOMER SUPPLIED REMOTE _________________ ANNUNCIATOR DEVICE OPTIONAL fu SEE NOTE 3 3 LEGEND 5 MS REQUIRED POWER WIRING 515 REQUIRED CONTROL WIRING lt lt CUSTOMER SUPPLIED REMOTE ALARM OPTIONAL FIELD WIRING LOW VOLTAGE SEE NOTE 3 3 FIELD WIRING EXTRA LOW VOLTAGE Fig 44 Typical Field Wiring Schematic 32 SHT 5 OF 4 Lis VOLTS VOLTS VOLTS 3 PHASE 3 PHASE OPTIONAL HAND OFF AUTO SW SEE NOTE 3 5 0 HAND OPTIONAL OFF AUTO SW SEE NOTE 3 5 A OPTIONAL HAND OFF AUTO SW 3 3 EVAPORATOR LIQUID PUMP MOTOR NOT BY CARRIER CONTROL OUTPUT TO FLOW CONTROL DEVICES SPEED VALVE S ETC IF REQUIRED TO ESTABLISH FLOW pu A CONDENSER LIQUID PUMP MOTOR NOT BY CARRIER CONTROL OUTPUT TO FLOW CONTROL DEVICES SPEED VALVE S ETC IF REQUIRED TO ESTABLISH FLOW
31. the angle of the sling is less than 45 degrees relative to horizontal Do not jolt while lifting Use the following procedure to lift the control center 1 Remove the rubber hole plugs in the top of the control center and fully thread in 4 eyebolts or swivel hoist rings see Fig 21 Lifting hardware must have 3 4 in 10 x 2 in long threads and must have a working load limit of at least 6000 Ib 2722 kg Typical eyebolts are Chicago Hardware size 28 or Grainger 5ZA63 2 Attach a sling to the four lifting eyebolts Make certain that the angle of the sling 1s not less than 45 degrees relative to horizontal 3 Using an overhead or portable hoist minimum 2 ton rated capacity attach a free fall chain to the sling secured to the drive Take up any slack in the chain 4 Rig the control center and remove the bolts that secure it to the VFD mounting brackets on the condenser see Fig 21 5 Confirm that welding procedures comply with local Pressure Vessel Codes before removing a portion of the VFD support bracket from the condenser Custom brack ets should be fabricated if part of the VFD supports must be cut off of the condenser to reduce the width of the condenser assembly Clamp in plates over both sides of the VFD bracket and drill two pairs of holes that 3 4 IN 10 x 2 IN LIFTING EYEBOLT WITH SHOULDER OR SWIVEL HOIST RING 6000 LB 2722 KG WORKING LOAD LIMIT YPICAL CHICAGO HARDWARE P N 28 GRAINGER P N 52
32. to the job wiring diagrams for cable type and cable number Make sure the control circuit is ground ed in accordance with applicable electrical codes and instruc tions on machine control wiring label Carrier Comfort Network Interface The Car rier Comfort Network CCN communication bus wiring is supplied and installed by the electrical contractor It consists of shielded 3 conductor cable with drain wire The system elements are connected to the communication bus in a daisy chain arrangement The positive pin of each system element communication connector must be wired to the positive pins of the system element on either side of it The negative pins must be wired to the negative pins The signal ground pins must be wired to the signal ground pins See Fig 49 for location of the CCN network connections on the terminal strip labelled CCN NOTE Conductors and drain wire must be 20 AWG Ameri can Wire Gage minimum stranded tinned copper Individual conductors must be insulated with PVC PVC nylon vinyl Teflon or polyethylene An aluminum polyester 100 foil shield and an outer jacket of PVC PVC nylon chrome vinyl or Teflon with a minimum operating temperature range of 4 F to 140 F 20 to 60 C is required See Table 13 for cables that meet the requirements Table 13 Cable Manufacturers MANUFACTURER CABLE NO Alpha 2413 or 5463 American A22503 Belden 8772 Columbia 02525 When connecting the CCN communicatio
33. wire as shown on drawing 23XRC1 1 J3 lower Remove jumper installed at these terminals and wire in a 4 3 K resistor in its place CCM J3 LOWER 4 3K FLOW DEVICE The flow device and resistor must be installed in parallel at these terminals such that the resistor provides a signal when the flow device is open Table 12 Lug Capacity VFD MAX INPUT AMPS 3 0 500MCM 3 0 500MCM OPTIONAL 100K AIC LUG CAPACITY PER PHASE No Conductors PER PHASE Conductor Range 3 0 250MCM 400 500MCM 400 500MCM 3 0 400MCM 3 0 400MCM 2 2 2 3 3 NOTE If larger lugs are required they can be purchased from the manufacturer of the circuit breaker Cutler Hammer or Square D 35 LNOAV LN3NOdWOO TANVd ONLNOO 1no e 1ueuoduio Did St 6 4 TANVd 3QISNI TINTON 180dVIVA XNDIVLVO 32018 TWNINYAL NOILVOINQWWOO vf 310N 335 1804 282 54 YINYOASNYUL 1M0dVIVO NO ANNYLYG cf 310N 335 MOSN3S 13538 dNAL 310W3N cf 310 335 114405 NOWNOD YOSNAS 1 dW3l 34VdS c 310 335 NYNLIY NOWNOD NOSN3S 2 dW3l 38795 ONO 5 3230 TOMLNOO V1VQ 3A13038 578 OL viva LINSNVUL OND IALLDILOYd MOSN3S JINGOW Nhviva c JINON 1 1 L 83
34. 040 OL 2 NOLLdIYIS3A wall SNILSI1 NOLLdO SNIMIM IWNOILdO TANVd 1OHLNOO 0138 5 NOlLdO 335 90 I Nall FINGOW 130dv1VQ quu NMOHS LON LNOAVT Nid TWALOV 001 0 109110 vuoz r KINO 3ON3H343H X04 NMOHS ONLLSIT 335 cf WALI ALON 335 LNANI 30123130 W3hiMVO AG NOlLdO NOSN3S S3YINOIY LNG AYTI 1NV3391438 510 1 02 HXET JHL NI QHVONVIS SI 3401V33 SIHL M3lHNVO AG LON IWNOIS LAdLNO G3GNNOYS NON V 33TIOMINOO TYNHALX3 NV 53 LNG SIOMLNOD JHL NI QMVQONVIS SI 3H01V33 SIHL 1 310 33S LNANI 831108502 13538 dal OLAV 14 310N 33S LNdNI 43110818002 13538 GNVW3G OLNY AG LON NIIS LNdLNO YO V H3TIOMINOO V S3MNDIY LNG STOHLNOO YXEZ JHL NI GYVONVLS SI 3YNLV34 SIHL L SALON eyes 3MAON NDD T3NYd TOYLNOD 36 WIRING THE FIELD WIRING TERMINAL STRIPS This section describes how to wire the field wiring terminal strips shown in Fig 46 and 47 The control terminal blocks are mounted to the inside of the enclosure above and below the control panel NOTE Up to 30 v may be measured across open contact terminals on the hazardous voltage terminal strip 1 Turn off lock out and tag the input power to the drive
35. 463 Ty Fig 21 Control Center Lifting Points straddle the line along which the VFD brackets will be cut This will allow the VFD brackets to be reinstalled and welded in their original position NOTE To reassemble follow steps in reverse order Connect sensors and cables after major components have been secured to reduce the risk damaging them See Fig 22 REMOVE THE DISCHARGE PIPE ASSEMBLY FROM THE CONDENSER NOTE For steps through 6 refer to Fig 12 The condenser relief valve and relief valve vent piping should be removed if they will interfere with discharge pipe assembly rigging 1 Remove the discharge pipe assembly relief valve and relief valve vent piping 2 Disconnect the compressor discharge temperature sensor 3 Disconnect the compressor discharge pressure sensor and remove the high discharge pressure switch sensor 4 Rig the discharge pipe assembly and remove the bolts from the compressor discharge and condenser inlet flange Note the position and orientation of the discharge isolation valve on the condenser inlet flange 5 Remove the discharge pipe assembly 6 Cover all openings NOTE To reassemble follow steps in reverse order Connect sensors and cables after major components have been secured to reduce the risk of damaging them
36. 59 474 522 522 522 522 658 658 658 658 Rows with two entries list nozzle end and return end weights Table 9B 23XRV Waterbox Cover Weights SI kg 5 DESCRIPTION Flanged NIH 1 pass Cover 150 PSIG 104 NIH 2 pass Cover 150 PSIG 135 NIH 3 pass Cover 150 PSIG 297 NIH Plain End 150 PSIG 70 MWB End Cover 150 PSIG 70 177 NIH 1 pass Cover 300 PSIG 381 NIH 2 pass Cover 300 PSIG 398 NIH 3 pass Cover 300 PSIG 380 NIH Plain End 300 PSIG 298 MWB End Cover 300 PSIG 202 281 202 281 237 237 237 237 298 298 298 298 163 215 163 215 237 237 237 237 298 298 298 298 LEGEND Nozzle in Head MWB Marine Waterbox Rows with two entries list nozzle end and return end weights NOTE Weight for NIH 2 pass cover 150 psig 1034 kPa is included in the heat exchanger weights shown in Table 7 RIG MACHINE COMPONENTS Refer to Fig 10 26 and Carrier Certified Prints for machine component disassembly Before rigging the compressor remove control panel and control center IMPORTANT Only a qualified service technician should perform this operation NOTE Label each wire before removal when wiring must be disconnected see Fig 10 and 11 Clip all wire ties necessary when removing pressure and temperature sensors Disconnect all pressure transducer wires at the sensor Temperature sensors cannot be disconnected from their ca
37. AD SIDE 3 PHASE AMPS CHILLER DISPLAY LINE AND LOAD SIDE 3 PHASE VOLTS CHILLER DISPLAY LINE SIDE 4 20mA KW TRANSDUCER OUTPUT LINE SIDE FROM CHILLER CONTROL MODULE CCM KW HOURS DEMAND KW CHILLER DISPLAY LINE SIDE KW METERING CHILLER DISPLAY LINE AND LOAD SIDE CONTROL POWER TRANSFORMER 3KVA CONTROLS AND OIL HEATER DISCONNECT 3 PHASE ANALOG VOLTS AMPS METER PACKAGE OPTION EVAPORATOR LIQUID PUMP STARTER DISCONNECT COOLING TOWER FAN STARTER LOW FAN 1 SPARE SAFETY DEVICES N C SEE NOTE 3 1 REMOTE START STOP DEVICE SEE NOTE 3 1 REMOTE ALARM SEE NOTE 3 3 REMOTE ANNUNCIATOR SEE NOTE 3 3 LINE SIDE LUG ADAPTERS SEE NOTE 2 3 ICE BUILD START TERMINATE DEVICE SEE NOTE 3 1 J K 5 E A B F G L N P Fig 44 Typical Field Wiring Schematic cont 34 NOTES FOR FIG 44 GENERAL 1 0 1 1 1 2 1 3 1 4 Variable frequency drive VFD shall be designed and manufactured in accordance with Carrier engineering requirements All field supplied conductors devices and the field installation wiring termination of conductors and devices must be in compliance with all applicable codes and job specifications The routing of field installed conduit and conductors and the location of field installed devices must not interfere with equipment access or the reading adjusting or servicing of any component Equipment installa
38. EVERGREEN 23XRV High Efficiency Variable Speed Screw Chiller with Foxfire Compression Technology and PIC Controls 50 60 Hz HFC 134a Installation Instructions SAFETY CONSIDERATIONS Screw liquid chillers are designed to provide safe and reliable service when operated within design specifica tions When operating this equipment use good judg ment and safety precautions to avoid damage to equipment and property or injury to personnel Be sure you understand and follow the procedures and safety precautions contained in the machine instruc tions as well as those listed in this guide A DANGER DO NOT VENT refrigerant relief devices within a building Outlet from rupture disc or relief valve must be vented outdoors in accor dance with the latest edition of ANSI ASHRAE 15 American National Standards Institute American Society of Heating Refrigera tion and Air Conditioning Engineers Safety Code for Mechanical Refrigeration The accumulation of refrigerant in an enclosed space can displace oxygen and cause asphyxiation PROVIDE adequate ventilation in accordance with ANSI ASHRAE 15 especially for enclosed and low overhead spaces Inhalation of high concentrations of vapor is harmful and may cause heart irregularities unconsciousness or death Intentional misuse can be fatal Vapor is heavier than air and reduces the amount of oxygen available for breathing Product causes eye and skin irritation Decompositio
39. HILLED LIQUID TEMPERATURE LIQUID TEMPERATURE SENSOR SENSOR Fig 14 Chiller End View 14 A CAUTION Do not rig the condenser before the control center and compressor are removed condenser compressor assembly has a high center of gravity and may tip over when lifted at the tubesheet rigging points which could result in equipment damage and or serious personal injury REMOVE THE CONTROLS DRIVE ENCLOSURE FROM THE CONDENSER Confirm that the power supply disconnect is open and all safety procedures are observed before removing the VFD This procedure minimizes the number of sensors and cables that need to be disconnected A WARNING Do not attempt to remove the VFD without first isolating the refrigerant charge in the condenser Damage to one of the motor terminals during VFD removal will result in an uncontrolled refrigerant leak 1 Close the 2 filter drier isolation valves Fig 15 and the 2 VED isolation valves Isolate the refrigerant charge into the condenser to prevent a refrigerant leak if one of the motor terminals is accidentally damaged during VFD removal or installation Evacuate the VFD coldplate through the Schrader valve Fig 15 on the VFD drain isolation valve 2 Remove the shipping bracket between the VFD and the compressor if it is still in place Remove any conduits that bring power to the VFD See Fig 16 COOLING SOLENOID VALVE VFD 52 REFRIGERANT COOLING
40. LEPLATE DETAIL 0 10 0 1 1 2 254 38 7 8 9UNC 4 HOLES FOR JACKING SCREWS 1 9 1 4 1 6 1 4 539 8 463 6 0 1 1 2 38 SUPPORT PLATE JACKING SCREW SEE NOTE 3 LEVEL BASE LINE 0 1 3 8 35 SEE NOTE 4 FLOOR LINE 1 THK 25 5 SOLEPLATE SF 5 LEVELING PAD LEGEND HRS Hot Rolled Steel NOTES 1 Dimensions in are in millimeters 2 Accessory Carrier supplied field installed soleplate package includes 4 soleplates 16 jacking screws and leveling pads Jacking screws to be removed after grout has set Thickness of grout will vary depending on the amount neces sary to level chiller Use only pre mixed non shrinking grout Ceilcote 748 OR Chemrex Embeco 636 Plus Grout 0 1 38 1 0 214 57 thick Fig 33 Accessory Isolation 5 Remove jacking screws from leveling pads after grout has hardened INSTALL SPRING ISOLATION IMPORTANT Accessory spring isolation packages are intended solely for non seismic applications Seis mic applications must be designed by a registered professional in accordance with all applicable national and local codes Spring isolation may be purchased as an accessory from Carrier for field installation It may also be field supplied and installed Spring isolators may be placed directly under machine support plates or located under machine soleplates See Fig 34 Consult job data for specific arrangem
41. ON LISTING DENOTES FIELD WIRING TERMINAL VFD TERMINAL BOARD EXAMPLE A12 DENOTES 3 2A CIRCUIT BREAKER CIRCUIT BREAKER EXAMPLE C8 1B DENOTES FACTORY WRED TERMINAL CHILLER CONTROL MODULE DENOTES VFD TO CONTROL PANEL CONNECTOR CARRIER COMFORT NETWORK DENOTES 115V COMPONENT TERMINAL DATALINK OR DATAPORT MATCH LINE WRE SPLICE HOT GAS BYPASS DENOTES CONDUCTOR MALE FEMALE CONNECTOR INTERNATIONAL CHILLER VISUAL CONTROLLER OPTION WIRING VARIABLE FREQUENCY DRIVE FIELD MRING VARIABLE FREQUENCY DRIVE GATEWAY DENOTES HUMIDITY SENSOR Fig 46 23XRV Controls Schematic cont 39 1 IL 1 1 1 JL JI JL 60 95 mel FE HE ae oo 9 9 O Q 3 4 5 6 7 8 9 10 COND TOWER TOWER ALARM PUMP LOW FAN HIGH FAN ANGER HAZARDOUS VOLTAGES 4 20 mA SPARE ICE REMOTE PRESS REF SAFETY BUILD START 17 18 19 20 21 22 25 24
42. SI kg DRY R 134a MAXIMUM REFRIGERANT CAPACITY kg TANK OD ____61 509 4 7 62 159 66 7 LEGEND ANSI American National Standard Institute ASHRAE American Society of Heating Refrigeration and Air Conditioning Engineers OD Outside Diameter UL Underwriters Laboratories The above dry weight includes the pumpout condensing unit weight of 164 Ib 75 kg COOLER INLET COOLER REFRIGERANT ISOLATION VALVE PUMPOUT VALVE 7 VALVE fp NS DISCHARGE ISOLATION VALVE OPTIONAL PRESSURE RELIEF SAFETY VALVE STORAGE TANK LIQUID 22021017 OIL SEPARATOR x PUMPOUT PUMPOUT COMPRESSOR CONDENSER e SERVICE VALVE ON Or SERVICE VALVE ON PUMPOUT UNIT CHILLER FIELD PUMPOUT CONDENSER 222 El lt WATER SUPPLY _ MAINTAIN AT LEAST 2 FT 610mm CLEARANCE AROUND AND RETURN STORAGE TANK FOR SERVICE AND OPERATION WORK STORAGE TANK VAPOR VALVE Fig 39 Optional Pumpout System Piping Schematic with Storage Tank Configured to Push Liquid into Storage Tank 28 COOLER INLET ISOLATION VALVE COOLER REFRIGERANT PUMPOUT VALVE COOLER CHARGING COOLER SERVICE VALVE ON PUMPOUT UNIT
43. TE THE VAPORIZER FROM THE CONDENSER VFD Installation 19 Install Machine 22 INSTALL STANDARD ISOLATION INSTALL ACCESSORY ISOLATION INSTALL SPRING ISOLATION Connect 24 INSTALL WATER PIPING TO HEAT EXCHANGERS INSTALL VENT PIPING TO RELIEF VALVES Make Electrical Connections 30 GROUNDING THE CONTROLS DRIVE ENCLOSURE INSTALLING INPUT POWER WIRING WIRING THE FIELD WIRING TERMINAL STRIPS CONNECT CONTROL INPUTS CONNECT CONTROL OUTPUTS CONNECT STARTER COMPLETING THE INSTALLATION 43 47 Checking the Installation 43 Oil Pump and Oil 43 Connect Control Wiring 43 Carrier Comfort Network Interface 43 Lead Lag Control Wiring 44 Install Field Insulation and Lagging 44 INSTALLATION START UP REQUEST CHECKLIST CL 1 CL 2 INTRODUCTION General The 23XRV machine is factory assembled wired and leak tested Installation not by Carrier consists primarily of establishing water and electrical services to the machine The rigging installation field wiring field piping and insulation of waterbox covers are the responsibility of the contractor and or customer Carrier has no installation respon sibilit
44. XXX on Xxx XX Made in USA for Carrier Corporation Syracuse NY 13221 4808 Fig 5 VFD Nameplate sjueuoduio 2 9 614 voz A009 59581 esn4 oe 1ndu 12 L VS A009 20 55810 asna eoepeju OT VSL A009 55215 asna WOW 009 2 Punoug 6n 61 OO 590 esn4 A009 BL 19 A009 exeeig PNOO 21 01 AS LI lquiassy 19 8 103081002 DV ou S eur 5 10 1515 VANE EL quiessy yueg YL 9 55815 esn4 ZL Alqwassy soyonpu SL 9 L m 91 e 1 JT f SI duca 7 ELE B Ilo vg 019 7 HI o AI 5 H 4 I e L 6 w 1 A a m HE 8 ga
45. ZLE ARRANGEMENT CODES COOLER WATERBOXES CONDENSER WATERBOXES PASS Arrangement Arrangement Code R 2 5 Fig 37 Piping Flow Data Marine Waterboxes Frames 3 Through 5 26 3 8 MALE FLARE RELIEF VALVE CONN LEVEL GAG gig 1 2 DIA K O ELECTRICAL CONN 229mm PUMPOUT POWER 0 512 5 140mm 9 A e pos te E ir 1 Ave OUTLET SEE FIELD RHESSURE GAGE INSTALLATION NOTES R m 1 7 483mm T D 0 57 8 149mm B VIEW 1 2 MALE FLARE 3 4 NPT PUMPOUT CONDENSER 3 4 NPT WATER OUTLET CONN PUMPOUT CONDENSER ELECTRICAL SERVICE WATER INLET CONN ACCESS SPACE mE M 20 3 4 X 8 3 4 X 4 1 2 NOTES BOTH SIDES 1 Denotes center of gravity Gr ik 0 zi VAPOR 2 Dimensions
46. bles remove temperature sensors from their thermowells and label as required A WARNING Do not attempt to disconnect flanges while the machine is under pressure Failure to relieve pressure can result in personal injury or damage to the unit 11 CONDENSER PRESSURE CABLE CABLE TRAY CONTAINING VAPORIZER HTR CONDUIT OIL HEATER CONDUIT OIL PUMP CONDUIT OIL SUMP TEMP CABLE OIL SUMP PRESS CABLE OIL PRESS CABLE OIL RECLAIM ACTUATOR CABLE CONTROL HGBP CONDUIT OPTIONAL PANEL MOTOR TEMPERATURE CABLE E EY gt o 9 SUCTION END WATER SENSOR CABLES FOR NOZZLE ARRANGEMENTS A B C E FP Q R T amp U SAME FOR OTHER END OF MACHINE DISCHARGE END DISCH TEMP CABLE DISCH PRESS CABLE DISCH PRESS SWITCH COOLER PRESSURE CABLE CABLE TRAY CONTAINING ENT LVG CHILLED LIQUID CABLES ENT LVG COND LIQUID CABLES VFD COOLING SOLENOID COND PRESS CABLE COMP R DISCH TEMP CABLE EVAP PRESS CABLE EVAP REFRIG LIQUID TEMP CABLE MOTOR TEMP CABLE VFD COOLANT SOLENOID CABLE OIL PRESS CABLE DISCH PRESS SWITCH CABLE HGBP CONDUIT OPTIONAL CABLE HGBP CONDUIT OPTIONAL EVAP REFRIG LIQUID TEMP CABLE Fig 10 Electrical Cable Routing Top View CABLE TRAY CONTAINING OIL VAPORIZER CONDUIT OIL HTR CONDUIT OIL PUMP CONDUIT OIL RECLAIM ACTUATOR CABLE OIL SUMP PRESS CABLE OIL DISCH PRESS
47. e Discharge piping should lead to the point of final release as directly as possible with consideration of pressure drop in all sections downstream of the relief valves Service access should be provided per standards ANSI ASHRAE 15 and ANSI NFPA 70 NEC and local safety codes Unobstructed space adequate for inspection servicing and rigging of all major components of the chiller is required Shaded service areas are shown on the certified machine assembly drawing plan view and front view See machine assembly component disassembly drawing for component removal Space for rigging equipment and compres sor removal is not shown The installation of chilled water and cooling tower water strainers should be considered to prevent debris from collecting in the water boxes and degrading performance Flexible conduit should be used for the last few feet to the control center for vibration isolation of power wiring and control wiring Fig 50 23XRV with Unit Mounted VFD Control Center 42 COMPLETING THE INSTALLATION This section provides instructions on how to perform a final check of the installation Do not energize the VFD circuit breaker This should only be done by qualified Carrier person nel in accordance with the 23XRV Start Up and Service Manual Checking the Installation Use the following pro cedure to verify the condition of the installation DANGER DC bus capacitors in the VFD retain hazardous voltages
48. e to collect oil that may have accumulated in the discharge pipe assembly Unbolt OIL SUPPLY LINE FITTING DISCHARGE PIPE ASSEMBLY BOLTING FLANGE ECONOMIZER MUFFLER BRACKET the discharge pipe assembly from the compressor It may also be necessary to loosen the bolts that attach the dis charge pipe assembly to the condenser 4 Ifthe cooler has been removed rig the suction elbow and unbolt the suction elbow at the compressor and vaporizer vent line flanges see Fig 12 If the cooler is still in place it may be necessary to loosen the bolts that secure the suction elbow to the cooler 5 Carefully remove the perforated insulation cutouts that cover the compressor lifting points See Fig 23 Replace the lifting shackle thread protector after the compressor is re installed to prevent insulation adhesive from fouling the threads 6 Rig the compressor with lifting eyelets installed in the two M30 threaded holes provided in the top of the com pressor housing Fig 23 Use only M30 forged eye bolts or M30 hoist rings with a sufficient working load limit to safely lift the compressor The rubber vibration isolators may pull out of the compressor mounting bracket when the compressor is lifted off of the condenser Applying leak detection soap solution to the outside of the vibration isolators will make it easier to press the isolators back into position 7 Cover all openings NOTE To reassemble follow steps in r
49. ed DOUBLE CHECK that coupling nut wrenches dial indicators or other items have been removed before rotating any shafts DO NOT LOOSEN a packing gland nut before checking that the nut has a positive thread engagement PERIODICALLY INSPECT all valves fittings and piping for corro sion rust leaks or damage PROVIDE A DRAIN connection in the vent line near each pressure relief device to prevent a build up of condensate or rain water Manufacturer reserves the right to discontinue or change at any time specifications or designs without notice and without incurring obligations Printed in U S A Book 2 Catalog No 532 309 Tab Form 23XRV 18SI Pg 1 309 6 06 Replaces New CONTENTS Page SAFETY CONSIDERATIONS 1 2 General 2225s eaten 2 Job 2 2 42 Receiving the Machine 2 INSPECT SHIPMENT IDENTIFY MACHINE INSTALLATION REQUIREMENTS PROVIDE MACHINE PROTECTION Rigging the Machine 3 RIG MACHINE ASSEMBLY RIGMACHINE COMPONENTS Separate Machine Components 13 SEPARATE COOLER AND CONDENSER REMOVE THE CONTROLS DRIVE ENCLOSURE FROM THE CONDENSER REMOVE THE DISCHARGE PIPE ASSEMBLY FROM THE CONDENSER SEPARATE THE COMPRESSOR FROM THE CONDENSER SEPARA
50. eeping pad anchor bolts and attachment points to be designed by others in accordance with all applicable national and local codes INSTALL STANDARD ISOLATION Figures 31 and 32 show the position of support plates and shear flex pads which together form the standard machine support system Service clearance under the chiller can be enhanced if the grout is not extended along the entire length of the heat exchangers PE GROUND CABLE STRIPPED END CONNECTED IN REAR HOLE OF GROUND LUG REF section H H PE GROUND CABLE T1 MOTOR POWER CABLE S CONNECTED TO VFD TERMINAL U T2 MOTOR POWER CABLE S CONNECTED TO VFD TERMINAL V T3 MOTOR POWER CABLE S CONNECTED TO VFD TERMINAL W Fig 29 Motor Ground Cable VFD COOLING LINE O RING FACE SEAL COUPLINGS FILTER DRIER ISOLATION VALVE VFD ISOLATION VALVES 2 FILTER DRIER ISOLATION VALVE Fig 30 VFD Refrigerant Connectors D VESSELS 1 E SE 7 7 ACCESSORY SOLEPLATE 0 3 76 2mm pe COOLER _ SEE FIG 33 0 0 1 2 13mm Y Y TYP SEE FIG 32 23XRV DIMENSIONS ft in HEAT EXCHANGER Sie oA e J c F e 303 tion sm om om sa awm s m o om on os o ax 60 om om og om 60 om om 13 os om sos es om om
51. en Oil Pump and Oil Heater The oil pump and oil heater are wired at the factory It is not necessary to connect additional wiring to these components See Fig 51 and 52 A WARNING Voltage to terminals T1 and T3 on the 1C and 6C contac tors comes from a control transformer in the starter built to Carrier specifications Do not connect an outside source of control power to the chiller terminals 1 and T3 outside power source will produce dangerous voltage at the line side of the starter because supplying voltage at the transformer secondary terminals produces input level voltage at the transformer primary terminals see Fig 46 51 and 52 oO ml i PD 115 VAC FROM CONTROL TRANSFORMER WIRE CRIMP OIL PUMP JUMPER BLK MOTOR CONTROL POWER 2 CONNECTOR CNIA BLK _ _ an LEGEND Factory Wiring Power Panel Component Terminal Contactor Fig 51 Oil Pump Wiring u 115 VAC wT o MT WW FROM CONTROL OL TRANSFORMER ag OPE 1 L3 CONTROL POWER CONNECTOR CN1A n u 115 WHT MHT FROM CONTROL 6 VAPORIZER TRANSFORMER x g T L3 CONTROL POWER CONNECTOR LEGEND Factory Wiring Power Panel Component Terminal Fig 52 Oil Heater and Control Power Wiring Connect Control Wiring All control wiring must use shielded cable Refer
52. en from the drive to earth ground Tighten these grounding connections to the proper torque See Fig 6 and 29 3 Close the door to the control center INSTALLING INPUT POWER WIRING All wiring should be installed in conformance with the applicable local national and international codes e g NEC CEC Signal wiring control wiring and power wiring must be routed in separate conduits to prevent interference with the drive operation Use grommets when hubs are not provided to guard against wire chafing Use the following steps to connect AC input power to the main input circuit breaker 1 Turn off lock out and tag the input power to the drive 2 Remove the input power wiring panel above the VFD circuit breaker and drill the number of openings for the AC input leads refer to Fig 6 Mount all conduit hard ware on the input power wiring panel before re installing the input power wiring panel on the VFD enclosure Take care that metal chips and hardware do not enter the enclosure 3 Wire the AC input leads by routing them through the openings in the input power wiring panel A CAUTION Do not route signal and control wiring with power wiring in the same conduit This can cause interference with con trol and drive operation Failure to observe this precaution could result in damage to or destruction of the equipment 4 Connect the three phase AC input power leads per job specifications to the appropriate input
53. ent Low profile spring isolation assemblies can be field supplied to keep the machine at a convenient working height Obtain specific details on spring mounting and machine weight distribution from job data Also check job data for methods to support and isolate pipes that are attached to spring isolated machines RESILIENT SHEAR ACCESSORY SPRING FLEX PAD BONDED TO ISOLATOR TOP AND BOTTOM OF SPRING MOUNT NOTE The accessory spring isolators are supplied by Carrier for installation in the field Fig 34 23XRV Accessory Spring Isolation Shown with Accessory Soleplates Connect Piping IMPORTANT Chiller water nozzle connections to be designed by others in accordance with all applicable national and local codes A CAUTION Remove cooler and condenser liquid temperature and optional pressure sensors before welding connecting piping to water nozzles Refer to Fig 15 Replace sensors after welding is complete INSTALL WATER PIPING TO HEAT EXCHANGERS Refer to Table 4 for nozzle sizes Install piping using job data piping drawings and procedures outlined below A typical piping installation is shown in Fig 35 24 PIPE LEAVING THERMOMETER CONDENSER OPTIONAL ENTERING CONDENSER WATER PRESSURE GAGES AIR VENT gt 5 IT ENTERING CHILLED LEAVING CHILLED WATER TER PIPE HANGERS Fig 35 Typical Nozzle Piping A CAUTION Factory supplied insulation i
54. er flange see Fig 12 11 VFD Cooling Drain Line 12 Oil Reclaim Line Cut 13 Vaporizer Hot Gas Return Line Cut 14 Discharge Isolation Valve Optional 15 Condenser Relief Valves Unscrew 16 17 18 19 Discharge Temperature Sensor Discharge Pipe Assembly Relief Valve Unscrew Discharge Pressure Sensor Discharge Pressure Switch Fig 12 Cooler Discharge Pipe Assembly Removal 13 9 Cut the vaporizer refrigerant return line as shown 10 Disconnect all sensors with cables that cross from the condenser side of the machine to the cooler side including a Evaporator refrigerant liquid temperature sensor See Fig 13 b Entering and leaving chiller liquid temperature sensors See Fig 14 c Evaporator pressure sensor 11 Disconnect the tubesheet mounting brackets from the vessel connectors on the tube cooler tubesheet 12 Cover all openings 13 Rig the cooler away from the condenser compressor NOTE To reassemble follow steps in reverse order Connect sensors and cables after major components have been secured to reduce the risk damaging them OPTIONAL HOT GAS BYPASS LINE EVAPORATOR REFRIGERANT LIQUID TEMPERATURE SENSOR COOLER REFRIGERANT PUMPOUT VALVE Fig 13 Evaporator Refrigerant Liquid Temperature Sensor on Bottom of Cooler LEAVING CHILLED LIQUID TEMPERATURE 5 2 S s e V ENTERING CONDENSER ENTERING C
55. everse order Connect sensors and cables after major components have been secure to reduce the risk damaging them M30 COMPRESSOR LIFTING SHACKLE HOLES MOTOR COOLING INLET FLANGE ECONOMIZER VAPOR LINE FLANGE MOTOR COOLING DRAIN FLANGE NI f VAPORIZER VENT SUCTION ELBOW FLANGE LINE FLANGE al ECONOMIZER MUFFLER fiat OPTIONAL ees BEARING OIL DRAIN FLANGE Fig 23 Compressor Removal 18 SEPARATE THE VAPORIZER FROM THE CON DENSER The VFD mounting brackets Fig 24 extend beyond the outboard edge of the vaporizer The vaporizer extends beyond the perimeter of the condenser tubesheet 1 Cut the vaporizer hot gas supply line near the oil concen trator Fig 24 Cut the vaporizer hot gas return line Fig 24 Cut the bearing oil drain line near the oil sump Fig 25 Unbolt the vaporizer vent line flange shown in Fig 25 Cut the oil supply line as shown in Fig 25 Cut the oil reclaim line as shown in Fig 25 Disconnect all wires and cable leads to the vaporizer assembly see Fig 26 including a oil sump temperature sensor b oil sump pressure cable and oil pressure leaving filter cable c oil reclaim cable d vaporizer heater cable in the vaporizer heater junction box e oil pump cable f oil sump heater conduit Fig 24 g vaporizer temperature sensor 8 Rig the vaporizer with the lifting points on the vaporizer mounting bracket and remove the four bolt
56. ice contacts and spare safety device contacts devices not supplied by Carrier must have 24 VAC rating Max cur rent is 60 mA nominal current is 10 mA Switches with gold plated bifurcated contacts are recommended Remove jumper wire between TB1 19 and TB1 20 before connecting auxiliary safeties between these terminals Each integrated contact output can control loads VA for evaporator pump condenser pump tower fan low tower fan high and alarm annunciator devices rated 5 amps at 115 VAC and up to 3 amps at 277 VAC A WARNING Control wiring required for Carrier to start pumps and tower fan motors and establish flows must be provided to assure machine protection If primary pump tower fan and flow control is by other means also provide a parallel means for control by Carrier Failure to do so could result in machine freeze up or over pressure 3 4 3 5 3 6 Do not use control transformers in the control center as the power source for external or field supplied contactor coils actuator motors or any other loads Do not route control wiring carrying 30 V or less within a conduit or tray which has wires carrying 50 V or higher or along side wires carrying 50 V or higher Spare 4 20 mA output signal is designed for controllers with a non grounded 4 20 mA input signal and a maximum input impedance of 500 ohms Flow devices to confirm evaporator or condenser pump flow are not required However if flow devices are used
57. ies for the equipment Job Data Necessary information consists of job contract or specifications machine location prints rigging information piping prints and details field wiring drawings starter manufacturer s installation details Carrier certified print INSTALLATION Receiving the Machine INSPECT SHIPMENT A CAUTION Do not open any valves or loosen any connections The 23XRV machine may be shipped with a full refrigerant charge Some machines may be shipped with a nitrogen holding charge as an option 1 Inspect for shipping damage while machine is still on ship ping conveyance If machine appears to be damaged or has been torn loose from its anchorage have it examined by transportation inspectors before removal Forward claim papers directly to transportation company Manufac turer is not responsible for any damage incurred in transit 2 Check all items against shipping list Immediately notify the nearest Carrier representative if any item is missing 3 To prevent loss or damage leave all parts in original pack ages until beginning installation All openings are closed with covers or plugs to prevent dirt and debris from enter ing machine components during shipping A full operating oil charge is placed in the oil sump before shipment IDENTIFY MACHINE Fig 1 4 Refer to machine name plate in Fig 1 The machine model number serial number and heat exchanger sizes are stamped on the Refrigera
58. is filled It is important to properly plan before installing a 22XRV unit to ensure that the environment and operating conditions are satisfactory The installation must comply with all require ments in the certified prints Rigging the Machine The 23XRV machine can be rigged as an entire assembly Large interconnecting piping has flanged connections that allow the compressor cooler and condenser sections to be separated and rigged individually In addition the VFD can be removed and rigged separately RIG MACHINE ASSEMBLY See rigging instructions on label attached to machine Also refer to rigging guide Fig 8 physical data in Fig 9 and Tables 2 9B Lift machine only from the points indicated in rigging guide Each lifting cable or chain must be capable of supporting the entire weight of the machine A WARNING Lifting machine from points other than those specified may result in serious damage to the unit and personal injury Rigging equipment and procedures must be adequate for machine weight See Fig 8 for machine weights NOTE These weights are broken down into component sections for use when installing the unit in sections For the complete machine weight add all component sections and refrigerant charge together See Tables 5 9B for machine component weights 41 oh ARON 0O0O0ONDAROGON 16 42 43 44 45 46 47 48 49 50 51 Motor Terminal Cover Plate Variable Frequency
59. l circuits during servicing IF WORK IS INTERRUPTED confirm that all circuits are deenergized before resuming work AVOID SPILLING liquid refrigerant on skin or getting it into the eyes USE SAFETY GOGGLES Wash any spills from the skin with soap and water If liquid refrigerant enters the eyes IMMEDIATELY FLUSH EYES with water and consult a physician NEVER APPLY an open flame or live steam to a refrigerant cylinder Dangerous over pressure can result When it is necessary to heat refrigerant use only warm 110 F 43 C water DO NOT REUSE disposable nonreturnable cylinders or attempt to refill them It is DANGEROUS AND ILLEGAL When cylinder is emptied evacuate remaining gas pressure loosen the collar and unscrew and discard the valve stem DO NOT INCINERATE CHECK THE REFRIGERANT TYPE before adding refrigerant to the machine The introduction of the wrong refrigerant can cause machine damage or malfunction Operation of this equipment with refrigerants other than those cited herein should comply with ANSI ASHRAE 15 latest edition Contact Carrier for further information on use of this machine with other refrigerants DO NOT ATTEMPT TO REMOVE fittings covers etc while machine is under pressure or while machine is running Be sure pres sure is at 0 psig 0 kPa before breaking any refrigerant connection CAREFULLY INSPECT all relief valves rupture discs and other relief devices AT LEAST ONCE A YEAR If machine operates in a c
60. ler model number indicates the frame size of the compressor CHAIN D CHAIN B SEE NOTE 2 SEE NOTE 2 CHAIN SEE NOTE 2 9 MIN HEIGHT ABOVE FLOOR MACHINE RIGGING GUIDE NOTES 1 Each chain must be capable of supporting the entire weight of the machine See chart for maxi mum weights 2 Chain lengths shown are typical for 15 lifting height Some minor adjustments may be required Fig 8 Machine Rigging Guide Cooler Size 30 Through 57 TUBE REMOVAL MOTOR SERVICE SPACE FOR CLEARANCE EITHER END 1 10 559 mm SIZES 30 32 40 42 50 52 12 712 3848 mm SIZES 35 37 45 47 55 57 14 4 4369 mm FRAME COMPRESSOR 0 915mm RECOMMENDED OVERHEAD SERVICE CLEARANCE Fig 9 23XRV Dimensions Refer to Tables 2 and 3 Table 1 Drive Assembly and Power Module Ratings ENCLOSURE INPUT MAX INPUT MAX OUTPUT CARRIER FART NUMBER TYPE VOLTAGE V CURRENT CURRENT at 4kHZ RANGE AMPS AMPS 2 2 _________ 442 23 2 ___________ 442 23XRA2BB gt gt 520 gt 2 ___________ 608 110 output current capability for one minute 150 output current for 5 seconds Table 2 23XRV Dimensions Nozzle In Head Waterbox HEAT EXCHANGER ftin mm ftin mm mm ftin mm ttin mm 301032 72 2200 351037 72 2200 4010 42 78 2299 451047 76 2299 5010 52 7 6
61. ll into the top surface of the control center enclosure for field wiring Knockouts are provided in the back of the control center for field control wiring connections Recommended Control and Signal Wire Sizes The rec ommended minimum size wire to connect I O signals to the control terminal blocks is 18 AWG American Wire Gage Recommended terminal tightening torque is 7 to 9 in lb 0 79 to 1 02 N m Recommended Air Flow Clearances Be sure there is ade quate clearance for air circulation around the enclosure A 6 in 152 4 mm minimum clearance is required wherever vents are located in the VFD enclosure Match Power Module Input and Supply Power Ratings It is important to verify that building power will meet the input power requirements of the Machine Electrical Data nameplate input power rating Be sure the input power to the chiller corresponds to the chiller s nameplate voltage current and fre quency Refer to machine nameplate in Fig 7 The machine electrical data nameplate is located on the right side of the control center PROVIDE MACHINE PROTECTION Protect machine and VFD enclosure from construction dirt and moisture Keep protective shipping covers in place until machine is ready for installation If machine is exposed to freezing temperatures after water circuits have been installed open waterbox drains and remove all water from cooler and condenser Leave drains open until system
62. n bus to a system element a color code system for the entire network is recom mended to simplify installation and checkout See Table 14 for the recommended color codes Table 14 Insulator Codes CCN BUS CCN NETWORK SIGNALTYPE NguLATION INTERFACE COLOR Control Panel Ground G Ifa cable with a different color scheme is selected a similar color code should be adopted for the entire network NOTE This color scheme does not apply to SIO wiring between the CCM and Gateway module At each system element the shields of its communication bus cables must be tied together If the communication bus is entirely within one building the resulting continuous shield must be connected to ground at only one single point See Fig 49 If the communication bus cable exits from one build ing and enters another the shields must be connected to ground at the lightening suppressor in each building where the cable enters or exits the building one point only To connect the 23XRV chiller to the network proceed as follows see Fig 49 1 Route wire through knockout in back of control panel 2 Strip back leads 3 Crimp one no 8 size spring spade terminal on each conductor 44 4 Attach red to terminal and white to terminal and black to terminal of CCN Network interface located in the control panel Lead Lag Control Wiring The 23XRV be wired for lead lag operation in either serie
63. n products are hazardous DO NOT USE OXYGEN to purge lines or to pressurize a machine for any purpose Oxygen gas reacts violently with oil grease and other common substances DO NOT USE air to leak test Use only refrigerant or dry nitrogen NEVER EXCEED specified test pressures VERIFY the allowable test pressure by checking the instruction literature and the design pressures on the equipment nameplate DO NOT VALVE OFF any safety device BE SURE that all pressure relief devices are properly installed and functioning before operating any machine RISK OF INJURY OR DEATH by electrocution High voltage is present on motor leads even though the motor is not running Open the power supply disconnect before touching motor leads or terminals A WARNING DO NOT WELD OR FLAMECUT any refrigerant line or vessel until all refrigerant liquid and vapor has been removed from chiller Traces of vapor should be displaced with dry air or nitrogen and the work area should be well ventilated Refrigerant in contact with an open flame produces toxic gases DO NOT USE eyebolts or eyebolt holes to rig heat exchangers or the entire assembly DO NOT work on high voltage equipment unless you are a qualified electrician DO NOT WORK ON electrical components including control panels switches starters or oil heater until you are sure ALL POWER IS OFF and no residual voltage can leak from capacitors or solid state components LOCK OPEN AND TAG electrica
64. o observe this precaution could result in bodily injury A CAUTION The user is responsible for conforming with all applicable local national and international codes Failure to observe this precaution could result in damage to or destruction of the equipment These instructions are intended for qualified electrical per sonnel familiar with servicing and installing AC drives Any questions or problems with the products described in this man ual should be directed to your local Carrier Service Office Wiring diagrams in this publication are for reference only and are not intended for use during actual installation follow job specific wiring diagrams RELIEF VALVE OUTLET SIZE 95 tain NPTFEMALECONNECTOR 0 1 1 2 2 31 QUANTITY WITH ISOLATION VALVES QUANTITY WITHOUT ISOLATION VALVES A CAUTION Do not attempt to start compressor even for a rotation check or apply test voltage of any kind while machine is under dehydration vacuum Motor insulation breakdown and serious damage may result A CAUTION Low oil level may result if the oil pump is manually oper ated for more than a few minutes when the chiller is not running The oil reclaim system does not return oil to the sump when the compressor is de energized GROUNDING THE CONTROLS DRIVE ENCLOSURE Use the following steps to ground the drive 1 Open the left door of the control center 2 Runa suitable equipment grounding conductor unbrok
65. orrosive atmosphere inspect the devices at more frequent intervals DO NOT ATTEMPT TO REPAIR OR RECONDITION any relief valve when corrosion or build up of foreign material rust dirt scale etc is found within the valve body or mechanism Replace the valve DO NOT install relief devices in series or backwards USE CARE when working near or in line with a compressed spring Sudden release of the spring can cause it and objects in its path to act as projectiles CAUTION DO NOT STEP on refrigerant lines Broken lines can whip about and release refrigerant causing personal injury DO NOT climb over a machine Use platform catwalk or staging Follow safe practices when using ladders USE MECHANICAL EQUIPMENT crane hoist etc to lift or move inspection covers or other heavy components Even if compo nents are light use mechanical equipment when there is a risk of slipping or losing your balance BE AWARE that certain automatic start arrangements CAN ENGAGE THE STARTER TOWER FAN OR PUMPS Open the disconnect ahead of the starter tower fan and pumps Shut off the machine or pump before servicing equipment USE only repaired or replacement parts that meet the code require ments of the original equipment DO NOT VENT OR DRAIN waterboxes containing industrial brines liquid gases or semisolids without the permission of your process control group DO NOT LOOSEN waterbox cover bolts until the waterbox has been completely drain
66. prevent moisture condensa tion and electrical arcing Obtain Carrier approved insula tion material from RCD Replacement Components Division consisting of 3 rolls of insulation putty and one roll of vinyl tape a Insulate each terminal by wrapping with one layer of insulation putty RCD P N 19EA411 1102 b Overwrap putty with 4 layers of vinyl tape Orient PE ground lug as shown in Fig 28 Assemble internal external tooth lock washer between the terminal box frame and the PE ground cable Torque PE ground lug nut to 55 to 65 ft lb 75 to 89 N m See section H H in Fig 29 for PE ground cable routing Center terminal enclosure frame over terminal box frame assembly so the space between the frames is equal within 3 6 in 5 mm at the top and bottom Use the slots in the terminal enclosure frame Adjust spacing between the sides of the terminal enclosure frame and terminal box frame assemblies by moving the control center to the left or right 8 Install O rings on VFD refrigerant connections using silicone grease Tighten connector using two wrenches to 27 to 33 ft lb 37 to 45 N m See Detail A in Fig 30 9 Evacuate all piping between the VFD and the VFD isola tion valves after assembly and tightening of VFD fittings Dehydration evacuation is complete to equalize VFD piping pressure with machine pressure if machine is charged with refrigerant see Fig 30 Install Machine Supports IMPORTANT Chiller housek
67. r when lifted at the tubesheet rigging points which could result in equipment damage and or serious personal injury 17 Table 10 Compressor Fastener Identification COMPRESSOR FASTENERS Discharge Pipe Assembly to Compressor Discharge Flange Suction Elbow to Compressor Inlet Compressor Mount to Condenser Economizer Line Motor Cooling Motor Drain Oil Drain Compressor Lifting Points 2 Stator Housing Lifting Point Discharge Housing Lifting Point SIZE 1 in 8 Grade 5 Hex Head 7 g in 9 Grade 5 Hex Head 3 in 10 Studs A 449 5 g in 11 Grade 8 Hex Head M 12x1 75 Grade 10 9 Socket Head M30x3 5 Threaded Holes M30x3 5 Threaded Hole M30x3 5 Threaded Hole 1 Disconnect the oil supply line in two places Fig 23 Cap the oil lines and fittings NOTE Compressor oil lines and fittings between the oil filter and compressor must be kept extremely clean to prevent obstruction of the compressor inlet bearing oil orifice Cap all orifice lines and fittings during disassembly The compressor inlet bearing oil orifice is located at the lubrication block on top of the compressor 2 Disconnect the motor cooling inlet flange the motor cooling drain flange optional economizer vapor line flange and bearing oil drain flange Fig 23 Remove the economizer muffler bracket 3 Brace the end of the discharge pipe assembly closest to the compressor if it has not already been removed Place an oil pan under the compressor flang
68. r pumps running until 35 psig 241 kPa is reached using a pumpdown Terminate the pumpdown mode using the ICVC Flashing of liquid refrigerant at low pressures can cause tube freeze up and considerable damage NOZZLE IN HEAD WATERBOXES DISCHARGE END SUCTION END FRAME 3 CONDENSER CONDENSER I DISCHARGE END SUCTION END FRAMES 4 AND 5 NOZZLE ARRANGEMENT CODES FOR ALL 23XRV NOZZLE IN HEAD WATERBOXES COOLER WATERBOXES CONDENSER WATERBOXES PASS Arrangement PASS Arrangement Code Code A P i B R 2 D 2 5 3 3 U Refer to certified drawings Fig 36 Piping Flow Data NIH Frames 3 Through 5 25 MARINE WATERBOXES NOTE NOTE COOLER 3 PASS NOZZLE 45 COOLER 3 PASS NOZZLE amp 45 NOT SHOWN SIMILIAR TO NOT SHOWN SIMILIAR TO CONDENSER 2 55 CONDENSER 2 19959 09 a 4 LER i p lt ME 1 1 H L DISCHARGE END SUCTION END FRAME 3 NOZZLE ARRANGEMENT CODES COOLER WATERBOXES CONDENSER WATERBOXES Code Code n 242 5 ______ eee 5 EG o f 2R R 4 6 D 1 _ 3 5 E re eee MARINE WATERBOXES DISCHARGE END SUCTION END FRAMES 4 AND 5 NOZ
69. rill into the top surface of the control center Knockouts are provided in the back of the control center for wiring connections Remove the VFD shipping bracket shown in Fig 16 NOTE GROUND SHIELDS AT SIGNAL GENERATING DEVICES oe BED AUTO DEMAND LIMIT 4 20 21 GE OPTIONAL 1 5Vde EXT m d AUTO CHILLED LIQUID TEMP 4 20mA Za i m MEE AT OPTIONAL iv BT paeem REFRIGERANT LEAK SENSOR 4 20m E OPTIONAL i 5Vk t EVAP ENT RED uguo TEMP AAA 0123 EVAP LVG F RE TEMP Lay ekk COND ENT RED TEMP LANN ek a COND LVG LIQUID TEMP CAAA BK EVAP REFRIG RED UQUID TEMP LANN BU REMOTE TEMP GT MHT NB TONAL COMPR 0 DISCH TEMP ANN Bi VAPORIZER RED TEMP BLK COMP R OL RED SUMP TEMP p 02 NOISE SUPPRESSOR td FAAN 9 CLR COMPR MOTOR 2 WINDING TEMP ew SPAR mp OPTIONAL SPARE TEMP 2 7 OPTIONAL OIL SUMP PRESSURE OIL PRESSURE LEAVING FILTER LOAD RESISTOR RELATIVE HUMIDITY DISCHARGE PRESSURE LOAD RESISTOR COND LIQUID FLOW CIRCUIT ML Bess JUMPER WITH 4 3K RESISTOR EI EVAPORATOR PRESSURE CONDENSER L PRESSURE 000 SW2
70. s not flammable but can be damaged by welding sparks and open flame Protect insu lation with a wet canvas cover 1 Offset pipe flanges to permit removal of waterbox cover for maintenance and to provide clearance for pipe clean ing No flanges are necessary with marine waterbox option however water piping should not cross in front of the waterbox cover or access will be blocked 2 Provide openings in water piping for required pressure gages and thermometers For thorough mixing and temperature stabilization wells in the leaving water pipe should extend inside pipe at least 2 in 51 mm 3 Install air vents at all high points in piping to remove air and prevent water hammer 4 Install pipe hangers where needed Make sure no weight or stress is placed on waterbox nozzles or flanges 5 Water flow direction must be as specified in Fig 36 and 37 NOTE Entering water is always the lower of the 2 noz zles Leaving water is always the upper nozzle for cooler or condenser 6 Install waterbox vent and drain piping in accordance with individual job data All connections are 3 4 in 7 Install waterbox drain plugs in the unused waterbox drains and vent openings 8 Install optional pumpout system or pumpout system and storage tank as shown in Fig 38 42 A CAUTION Never charge liquid 134a refrigerant into the chiller if the pressure is less than 35 psig 241 kPa Charge as a gas only with the cooler and condense
71. s or parallel See Fig 53 for applicable wiring schematics Install Field Insulation and Lagging CAUTION Protect insulation from weld heat damage and weld splat ter Cover with wet canvas cover during water piping installation When installing insulation at the job site insulate the fol lowing components compressor discharge pipe assembly cooler shell cooler tube sheets condenser shell condenser tubesheets suction piping economizer economizer muffler motor cooling drain oil reclaim piping vaporizer chamber refrigerant liquid line to cooler NOTE Insulation of the waterbox covers is applied only at the job site by the contractor When insulating the covers make sure there is access for removal of waterbox covers for servic ing Fig 54 YATIIHO 30 ss3J00v gor LINV4 LYVISIYd gor 015 9V7 gor LYVLS 9v1 gor Id 55394 0 971 gor 9 1 3LON 33S 18 5 NOILdO 5 NOWWOO gor NOlLdO 3ONV V8 QVO gor z 9v1 1 0v31 NOILV3ASIJNOO OVT Qv31 Qv3V 1 S10MINOO 1 Y3TIIHO T3Nvd 108LNOO 0000 9 z 79 ATI 2 Wor 9018 VNIAH3L 1 32 IOHLNOO 59018 TYNINYIL TANVd 1O8LNOD STOMLNOO 2 TSNVd
72. s that secure it to the condenser Fig 24 9 Cover all openings NYDN FW VFD MOUNTING BRACKETS NOTE To reassemble follow steps in reverse order Connect sensors and cables after major components have been secured to reduce the risk damaging them VFD Installation 1 Install terminal box frame mounting studs into tapped holes using short threaded end see section E E in Fig 27 Do not exceed 120 ft lb 163 N m 2 Install thermal insulators insulation frame assembly and terminal box frame prior to attaching motor power cables 3 Torque motor terminals to 45 to 55 ft lb 61 to 75 N m 4 There may be or 2 motor power cables per terminal identified as T1 T2 and T3 Position motor end lugs on terminal studs with Belleville washer located against the front terminal lug with the convex side facing toward the front terminal nut Clinch the two cables together with wire ties before tightening terminal nuts Install front ter minal nut finger tight Hold front terminal nut stationary while tightening rear terminal nut to 45 to 50 ft lb 61 to 68 N m See Fig 28 5 Check all terminal connections for proper installation IMPORTANT Do not insulate terminals until wiring arrangement has been checked and approved by Carrier start up personnel Motor terminals must be insulated in acceptance with national and local electri cal codes VAPORIZER MOUNTING BOLTS VAPORIZER REFRIGERANT
73. sh design flow for the cooler and condenser a Water pressure gages IN and OUT b Water temperature gages IN and OUT 7 The machine s control center wiring is complete The wiring is installed per installation instructions and certified prints a Power wiring to VFD circuit breaker If chiller was disassembled during installation motor leads must not be taped until the Carrier technician megger tests the motor b Carrier controls can independently energize water pumps and tower fan Line side voltage is within 10 of chiller nameplate voltage d Other 9 COMMENTS Manufacturer reserves the right to discontinue or change at any time specifications or designs without notice and without incurring obligations Book 2 Catalog No 532 309 Printed in U S A Form 23XRV 1SI Pg CL 1 309 6 06 Replaces New Tab 5e TESTING YES NO DATE TO BE COMPLETED 1 The cooling tower fan has been checked for blade pitch and proper operation 2 The chilled water and condenser water lines have been a Filled b Tested c Flushed d Vented e Strainers cleaned 3 chilled water and condenser water pumps have been checked for proper rotation and flow 4 The following cooling load will be available for start up a 2596 b 5096 c 75 d 10096 5 The refrigerant charge is at the machine 6 Services such as electrical power and control air will be available at start up 7 The elec
74. sideration of pres sure drop in all sections downstream of the relief valves 2 Provide a pipe plug near outlet side of each relief device for leak testing Provide pipe fittings that allow vent piping to be disconnected periodically for inspection of valve mechanism 3 Piping to relief devices must not apply stress to the device Adequately support piping A length of flexible tubing or piping near the relief device is essential on spring isolated machines 4 Cover the outdoor vent with a rain cap and place a condensation drain at the low point in the vent piping to prevent water build up on the atmospheric side of the relief device 30 WITHOUT ISOLATION VALVES Fig 43 Relief Valve Arrangements Make Electrical Connections Field wiring must be installed in accordance with job wiring diagrams and all applicable electrical codes Refer to Fig 44 and 45 for typical wiring and component layout A DANGER Only qualified electrical personnel familiar with the con struction and operation of this equipment and the hazards involved should install adjust operate or service this equipment Read and understand this manual and other applicable manuals in their entirety before proceeding Failure to observe this precaution could result in severe bodily injury or loss of life Table 11 Relief Valve Locations LOCATION Discharge Pipe Assembly Cooler Condenser Optional Storage Tank NOTE All valves relieve a
75. t 185 psi 1275 kPa A DANGER DC bus capacitors in the VFD retain hazardous voltages after input power has been disconnected After disconnect ing input power wait 5 minutes for the DC bus capacitors to discharge then check both the VFD DPI Communica tions Interface Board Status LEDs and the VFD with a voltmeter to ensure the DC bus capacitors are discharged before touching any internal components Failure to observe this precaution could result in severe bodily injury or loss of life DANGER The drive can operate at and maintain zero speed The user is responsible for assuring safe conditions for operating personnel by providing suitable guards audible or visual alarms or other devices to indicate that the drive is operat ing or may operate at or near zero speed Failure to observe this precaution could result in severe bodily injury or loss of life DANGER Do not install modification kits with power applied to the drive Disconnect and lockout incoming power before attempting such installation or removal Failure to observe this precaution could result in severe bodily injury or loss of life The drive contains ESD Electrostatic Discharge sensitive parts and assemblies Static control precautions are required when installing testing servicing or repairing the drive Erratic machine operation and damage to or destruc tion of equipment can result if this procedure is not followed Failure t
76. tion Machine nameplate located on the side of the VFD variable frequency drive enclosure Check this information against shipping papers and job data REFRIGERATION MACHINE mu m m 20 gt LBS KGS TEST PRESSURE COND WATER PRESSURE RATED TONS RATED IKW elm Pla 5 m 2 28 5 PEE Ble gt 5 m 5 5 5 E 2 5 gt a m T m 5 2 E CARRIER CHARLOTTE 9701 OLD STATESVILLE ROAD CHARLOTTE NORTH CAROLINA 28269 ASSEMBLED IN USA PRODUCTION YEAR 20XX SAFETY CODE CERTIFICATION THIS UNIT 15 DESIGNED CONSTRUCTED SSOR MOTOR CONTROLLER PROTECTION MUST BE IN ACCORDANCE WITH CARRIER SPECIFICATION 2 420 Fig 1 Refrigeration Machine Nameplate 23XRV 40 42 N 23XRV High Efficiency Variable Speed Screw Chiller Cooler Size 30 32 35 37 40 42 45 47 50 52 55 57 Condenser Size 30 32 35 37 40 42 45 47 50 52 55 57 Economizer Option E With Economizer N Economizer R Compressor First number denotes frame size TMaximum limits only Additional application limits apply that may reduce these ampacities R S Special Not Used Voltage Code Inverter Max Output Ampst 442 Rectifier Max Input Ampst 440 Motor Code P Fig 2
77. tion and all starting and control devices must comply with details in equipment submittal drawings and literature Contacts and switches are shown in the position they would assume with the circuit de energized and the chiller shutdown A WARNING Do not use aluminum conductors Contractor installer assumes all liability resulting from the use of aluminum conductors within the VFD enclosure POWER WIRING TO VFD 2 0 2 1 2 2 2 3 2 4 Provide a means of disconnecting branch feeder power to Provide short circuit protection and interrupt capacity for branch feeder in compliance with all applicable codes If metal conduit is used for the power wires the last 4 feet or greater should be flexible to avoid transmitting unit vibration into the power lines and to aid in serviceability Line side power conductor rating must meet VFD nameplate voltage and chiller minimum circuit ampacity Lug adapters may be required if installation conditions dictate that conductors be sized beyond the minimum ampacity required Circuit breaker lugs will accommodate the quantity and size cables per phase as shown in Table 12 Compressor motor and controls must be grounded by using equipment grounding lug provided inside unit mounted VFD enclosure CONTROL WIRING 3 0 Field supplied control conductors to be at least 18 AWG or larger 3 1 3 2 3 3 Ice build start terminate device contacts remote start stop dev
78. tm og o es om og 9 Fig 31 23XRV Machine Footprint TUBE SHEET 0 3 8 10 LEVEL BASE LINE S FESD cette c OON SS SHEAR FLEX PAD 3 8 10 VIEW Y Y SUPPORT PLATE NOTES 1 Dimensions in are in millimeters 2 Isolation package includes 4 shear flex pads Fig 32 Standard Isolation INSTALL ACCESSORY ISOLATION if required Un even floors or other considerations may dictate the use of accessory soleplates supplied by Carrier for field installation and leveling pads Refer to Fig 33 Level machine by using jacking screws in isolation sole plates Use a level at least 24 in 610 mm long IMPORTANT Chiller support plates must be level within 1 in from one end to the other end of the heat exchangers for effective oil reclaim system operation For adequate and long lasting machine support proper grout selection and placement is essential Carrier recommends that only pre mixed epoxy type non shrinking grout be used for machine installation Follow manufacturer s instructions in applying grout 1 Check machine location prints for required grout thickness Carefully wax jacking screws for easy removal from grout Grout must extend above the base of the soleplate and there must be no voids in grout beneath the plates Allow grout to set and harden per manufacturer s instructions before starting machine 2 23 ACCESSORY SO
79. trical and mechanical representatives will be available to assist in commissioning the machine 8 The customer s operators will be available to receive instructions for proper operation of the chiller after start up Concerns about the installation request for additional assistance I am aware that the start up time for a Carrier chiller can take between 2 and 6 days depending on the model of the machine and the options and accessories used with it Your contact at the job site will be Phone number Cell Pager number Fax number In accordance with our contract we hereby request the services of your technician to render start up services per contract terms for this job on Date I understand that the technician s time will be charged as extra services due to correcting items in this checklist that are incomplete Signature of Purchaser Signature of Job Site Supervisor Copyright 2006 Carrier Corporation Manufacturer reserves the right to discontinue or change at any time specifications or designs without notice and without incurring obligations Book 2 Catalog No 532 309 Printed in U S A Form 23XRV 1SI Pg CL 2 309 6 06 Replaces New Tab 5e CUT ALONG DOTTED LINE o QUT ALONG DOTTED LINE
80. ured to Store Refrigerant in Cooler or Condenser FRAME VALVE 2 VADE COMPRESSOR ENTERING WATER OIL FILL FITTING OIL LEAVING SEPARATOR WATER Fig 42 Pumpout Unit CONDENSER INSTALL VENT PIPING TO RELIEF VALVES The 23XRV chiller is factory equipped with relief valves on the cooler and condenser shells Refer to Fig 43 and Table 11 for size and location of relief devices Vent relief devices to the outdoors in accordance with ANSI ASHRAE 15 latest edition Safety Code for Mechanical Refrigeration and all other applicable codes A DANGER Refrigerant discharged into confined spaces can displace oxygen and cause asphyxiation 1 Dual pressure relief valves are mounted on the three way valves in some locations to allow testing and repair with out transferring the refrigerant charge Three way valve shafts should be turned either fully clockwise or fully counterclockwise so only one relief valve is exposed to refrigerant pressure at a time The flow area of discharge piping routed from more than one relief valve or more than one heat exchanger must be greater than the sum of the outlet areas of all relief valves that are expected to discharge simultaneously All relief valves within a machinery room that are exposed to refrigerant may discharge simultaneously in the event of a fire Discharge piping should lead to the point of final release as directly as possible with con

Carrier EVERGREEN HFC-134A User's Manual

Contents

Download Pdf Manuals

Related Search

Related Contents