约克离心机控制线路图原版.docx

1、约克离心机控制线路图原版 PRODUCT DRAWINGYORK INTERNATIONAL CORPORATIONP .O. Box 1592, York, PA 17405CONTRACTOR _PURCHASER _ORDER NO._JOB NAME_YORK CONTRACT NO._ LOCA TION _YORK ORDER NO._ENGINEER _REFERENCEDA TE _APPROVAL DA TE _CONSTRUCTION DA TE _Supersedes: 160.52-PW1 (1297Form 160.52-PW1 (698WIRING DIAGRAM,

2、 MILLENNIUMMODEL Y K (STYLE D LIQUID CHILLERSMICROCOMPUTER CONTROL CENTERWITH ELECTRO-MECHANICAL STARTERJOB DATA:CHILLER MODEL NO. YK _NO. OF UNITS _COMPRESSOR MOTOR _ VOLTS, 3-PHASE, _ HzOIL PUMP MOTOR _ VOLTS, 3-PHASE, _ Hz, _FLAREMARKS:2YORK INTERNATIONALE L E M E N T A R Y D I A G R A MR E V . 0

3、35-15977 (R E V . A FORM 160.52-PW1 FORM 160.52-PW1 3A YORK INTERNATIONALYORK INTERNATIONAL3FORM 160.52-PW1 43B YORK INTERNATIONAL YORK INTERNATIONALFORM 160.52-PW1 NOTES:1. This wiring diagram describes the standard electronic control scheme for use with an electromechanical starter. For details of

4、 standard modifications, refer to Product Form 160.49-PW13.2. Field wiring to be in accordance with the National Elec-trical Code as well as all other applicable codes and specifications. See Product Form 160.49-PW10 for field wiring connections.3. Numbers along the left side of diagram are line ide

5、ntifica-tion numbers. The numbers along the right side indicate the line number location of relay contacts. An underlined contact location signifies a normally closed contact. 4. Main control panel Class 1 field wiring terminal connec-tion points are indicated by numbers within a rectangle, 15i.e.C1

6、5. To cycle unit on and off automatically with contacts other than those shown, install a cycling device between ter-installed, jumper must be removed between terminals6. Compressor motor starter with starter interlock contacts (rated 0.5 to 1.0 amp 24 volts A.C. must be per Form 160.45-P A5.1. Cont

7、rol panel shall be grounded. 7. Units installed in Canada must have a field supplied CSA approved 30 Amp disconnect switch and a 20 Amp dual element fuse mounted external to control panel for 115 volt control supply.8. To stop unit and not permit it to start again, install a stop 18A remote start-st

8、op switch may be connected to termi-178start-stop switch (Line 32 is operative only in the “re-mote” operating mode.9. Device contact rating to be 5 milliamperes 115 volts A.C.10. _11. Contact rating is 5 Amp resistive 120 volts A.C. or 240 volts A.C.12. Three phase oil pump must be properly phased

9、L1, L2 & L3 corresponding to phase sequence A, B & C. 13. To check motor rotation on initial start-up, install mo-2425tor with momentary switch. When proper rotation is ob-tained, replace momentary switch with jumper. Switch must have a minimum contact rating of 2 FLA., 10 LRA at 115 Volts A.C.14. M

10、otor overload (CM is set to trip at 105% FLA. During momentary power interruption (power fault, contact opens for 1 second.15.153are used. For high voltage (2300-4160 UL and CUL approved units only, electromechanical compressor motor starter overloads (normally closed must be con-15316. Contact rati

11、ng is 5 Amps resistive 250 Volts A.C. & 30 Volts D.C., 2 Amp inductive (.4 PF 250 Volts A.C. & 30 Volts D.C.17. Each 115VAC field-connected inductive load: i.e. relay coil, motor starter coil, etc., shall have a transient sup-pressor wired in parallel with its coil, physically located at the coil. S

12、pare transient suppressors and control cir-cuit fuses are supplied in a bag attached to the top of the hinged panel. LEGEND5 YORK INTERNATIONALCONNECTION DIAGRAM6YORK INTERNATIONAL (CONTINUED ON PAGES 8 & 9 FORM 160.52-PW1 LD03132YORK INTERNATIONAL 7CONNECTION DIAGRAM (Contd 8YORK INTERNATIONALFORM

13、160.52-PW1 YORK INTERNATIONAL9LD03133YORK INTERNATIONAL 10 WIRING FOR 230V AND 460V UNITSFORM 160.52-PW1 WIRING FOR 346V AND 600V UNITS LD03135 OIL PUMP MOTOR FULL VOLTS-PH-HZ LOAD AMPS 230-3-60 6.7 460-3-60 3.35 575-3-60 2.6 OIL PUMP FUSING MAXIMUM DUAL ELEMENT FUSE SIZE 15 7.5 5 YORK INTERNATIONAL

14、 11 LD02609 * * Function provided by condenser transducer. See operators manual for a detailed description of low oil pressure and high oil flow shutdowns. Applicable if unit was shut down for 30 mins. or less. Applicable if unit was shut down for greater than 30 mins. Proud Sponsor of the 1998 U.S. Olympic Team 36USC380 P Box 1592, York, Pennsylvania USA 17405-1592 .O. Copyright by York International Corporation 1997 Form 160.52-PW1 (698 Supersedes: 160.52-PW1 (1297 Subject to change without notice. Printed in USA ALL RIGHTS RESERVED