Johnson Controls York MaxE YK Series Manual
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Johnson Controls York MaxE YK Series Manual

Johnson Controls York MaxE YK Series Manual

Centrifugal liquid chiller
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SHOP DRAWING REVIEW
SSR # 11120270
PROJECT NAME: Corning Hospital
SECTION NO.: 23 64 16
SSR LOG NO.:
EQUIPMENT/MATERIAL DESCRIPTION:
Due to the volume of information in the submittal
listed above, this Submittal Review form lists the
comments of the reviewer.
The submittals have not been marked.
A copy of this review must remain with each copy
of the submittal.
NO.
Condenser and evaporator shells shall have 150 lb flanged pipe connections, not grooved
pipe connections
Note special requirements for CAPACITY TEST penalty for factory performance testing in
specifications- use ARI standard procedures but note additional requirement in specs
No information on head pressure controller, which is the responsibility of the mfr- see specs
and verify compliance/inclusion of scope
No information on refrigerant pumpout system – see specs and verify compliance
No information on refrigerant monitor system – see specs and verify compliance
REVIEWER: Rick Wood
chillers
Review is for general compliance with
the design concept of the project and
general compliance with the information
given in the contract documents only.
Any action shown is subject to the
requirements of the plans, specifications,
and other contract documents.
No Exceptions Taken
X Make Corrections Noted
Amend & Resubmit
Rejected
COMMENTS
2995 Sidco Drive
Nashville, TN 37204
(615) 383-1113
FAX (615) 386-8469
www.ssr-inc.com
DATE: 28Jan2013

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  • Page 1 2995 Sidco Drive Nashville, TN 37204 (615) 383-1113 FAX (615) 386-8469 www.ssr-inc.com SHOP DRAWING REVIEW SSR # 11120270 REVIEWER: Rick Wood DATE: 28Jan2013 PROJECT NAME: Corning Hospital SECTION NO.: 23 64 16 Review is for general compliance with SSR LOG NO.: the design concept of the project and EQUIPMENT/MATERIAL DESCRIPTION: general compliance with the information...
  • Page 2 Page 2 of 2...

  • Page 64: Form 160.75-N1

    cEntrifugal liquid chillErs installation instructions Supersedes: 160.75-N1 (607) Form 160.75-N1 (309) ModEl YK (stYlE g) r-134a With oPtiViEW™ control cEntEr for ElEctro-MEchanical startEr, solid statE startEr & VariaBlE sPEEd driVE 00611VIP LD05842...
  • Page 65 In complying with Johnson Controls policy for continuous product improvement, the information contained in this document is subject to change without notice. While Johnson Controls makes no commitment to update or provide current information automatically to the manual owner, that information, if applicable, can be obtained by contacting the nearest Johnson Controls Service office.
  • Page 66 IW, IX KP to KS, K2 to K4 oW, oX, o8, o9 CN-CA 5CK-5CW MQ to MS, M2 to M4 UW, UX, U8, U9 CS-DC 5CN-5DC ZQ to ZS, Z1 to Z4 YW, YX, Y8, Y9 DD-DL 5DD-5DL JohNSoN CoNtroLS...

  • Page 67: Table Of Contents

    16 – Dimensions Evaporator Marine Waterboxes ........fig. 17 – Dimensions Condenser Marine Waterboxes ........fig. 18 – rigging .................... fig. 19 – Neoprene Isolators ................. fig. 20 – Neoprene Isolators ................. fig. 21 – Spring Isolators ................fig. 22 – Spring Isolators ................JohNSoN CoNtroLS...

  • Page 68: Fig. 1 - Model Yk Maxe™ Chiller

    CoNtroL CENtEr CoNDENSEr 00611VIP EVAPorAtor fig. 1 – MoDEL YK MaxE™ ChILLEr noMEnclaturE — Special Modifications Model Design Level Evaporator Code Motor Code Condenser Code Power Supply – for 60 hz Compressor Code 5 for 50 hz JohNSoN CoNtroLS...

  • Page 69: Fig. 2 - Dimensions (P & Q Compressors - Ft-In)

    3. Water nozzles can be located on either end of unit. Add 1/2" (13 mm) to nozzle length for flanges connections. 4. to determine overall height, add 7/8" (22 mm) for isolators. 5. Use of motors with motor hoods may increase overall unit dimensions. fig. 2 – DIMENSIoNS – P & Q CoMPrESSor UNItS (Ft–IN) JohNSoN CoNtroLS...

  • Page 70: Fig. 3 - Dimensions (P & Q Compressors - Metric)

    3. Water nozzles can be located on either end of unit. Add 13 mm (1/2 inch) to nozzle length for flanges connections. 4. to determine overall height, add 22 mm (7/8 inch) for isolators. 5. Use of motors with motor hoods may increase overall unit dimensions. fig. 3 – DIMENSIoNS – P & Q CoMPrESSor UNItS (mm) JohNSoN CoNtroLS...

  • Page 71: Fig. 4 - Dimensions (H Compressors - Ft-In)

    3. Water nozzles can be located on either end of unit. Add 1/2" (13 mm) to nozzle length for flanges connections. 4. to determine overall height, add 7/8" (22 mm) for isolators. 5. Use of motors with motor hoods may increase overall unit dimensions. fig. 4 – DIMENSIoNS – h CoMPrESSor UNItS (Ft–IN) JohNSoN CoNtroLS...

  • Page 72: Dimensions

    3. Water nozzles can be located on either end of unit. Add 13 mm (1/2 inch) to nozzle length for flanges connections. 4. to determine overall height, add 22 mm (7/8 inch) for isolators. 5. Use of motors with motor hoods may increase overall unit dimensions. fig. 5 – DIMENSIoNS – h CoMPrESSor UNItS (mm) JohNSoN CoNtroLS...

  • Page 73: Fig. 6 - Dimensions (K Compressors - Ft-In)

    3. Water nozzles can be located on either end of unit. Add 1/2" (13 mm) to nozzle length for flanges connections. 4. to determine overall height, add 7/8" (22 mm) for isolators. 5. Use of motors with motor hoods may increase overall unit dimensions. fig. 6 – DIMENSIoNS – K CoMPrESSor UNItS (Ft–IN) JohNSoN CoNtroLS...

  • Page 74: Fig. 7 - Dimensions (K Compressors - Metric)

    3. Water nozzles can be located on either end of unit. Add 13 mm (1/2 inch) to nozzle length for flanges connections. 4. to determine overall height, add 22 mm ( 7/8 inch) for isolators. 5. Use of motors with motor hoods may increase overall unit dimensions. fig. 7 – DIMENSIoNS – K CoMPrESSor UNItS (mm) JohNSoN CoNtroLS...

  • Page 75: Fig. 8 - Dimensions Evaporator Compact Waterboxes

    1'-2 1/4" 1'-3" 1'-3 1/2" 1'-3 3/4" 1'-5 1/2" 1'-11 5/8" 1'-11 5/8" 2'-0 5/8" 2'-1 3/4" (362) (381) (394) (400) (445) (600) (600) (625) (654) see notes on page 14. fig. 8 – DIMENSIoNS – EVAPorAtor CoMPACt WAtErBoXES JohNSoN CoNtroLS...

  • Page 76: Fig. 9 - Dimensions Condenser Compact Waterboxes

    1'-5" 1'-7 1/2" 1'-4 3/4" 1'-9 1/2" 1'-6" 1'-10 1/4" 1'-8" 2'-4 3/4" 1'-10 1/2" (470) (432) (495) (425) (546) (457) (565) (508) (730) (572) see notes on page 14. fig. 9 – DIMENSIoNS – CoNDENSEr CoMPACt WAtErBoXES JohNSoN CoNtroLS...

  • Page 77: Fig. 10 - Dimensions Evaporator Compact Waterboxes A Thru L

    4. Connected piping should allow for removal of compact water boxes for tube access and cleaning. 5. Add dimension "M" as shown on the unit dimensions page for the appropriate isolator type. 6. Standard 150 PSI design pressure boxes shown. fig. 10 – DIMENSIoNS – EVAPorAtor CoMPACt WAtErBoXES A thrU L EVAPorAtorS JohNSoN CoNtroLS...

  • Page 78: Fig. 11 - Dimensions Evaporator Compact Waterboxes M Thru Z

    R3, R4, R5, S 20" 18" 14" 2'-11 1/2" 2'-10 1/2" 2'-10 1/2" 1'-3" 2'-10 1/2" (508) (457) (356) (902) (876) (876) (381) (876) see notes on page 14. fig. 11 – DIMENSIoNS – EVAPorAtor CoMPACt WAtErBoXES M thrU Z EVAPorAtorS JohNSoN CoNtroLS...

  • Page 79: Fig. 12 - Dimensions Condenser Compact Waterboxes

    20" 16" 2'-8" 4'-1 1/4" 2'-9 1/4" 5'-5 1/4" 2'-9 1/4" 5'-5 1/4" (610) (508) (406) (813) (1251) (845) (1,657) (845) (1,657) see notes on page 14. fig. 12 – DIMENSIoNS – CoNDENSEr CoMPACt WAtErBoXES - StANDArD (mm) JohNSoN CoNtroLS...

  • Page 80: Fig. 13 - Dimensions Condenser Heat Recovery Compact Waterboxes

    (894) (1,595) (314) 24" 20" 16" 3'-4" 3'-3 15/16" 6'-3 7/8" 1'-5 7/8" (609) (508) (406) (1,016) (1,014) (1,927) (454) see notes on page 14. fig. 13 – DIMENSIoNS – CoNDENSEr hEAt rECoVErY CoMPACt WAtErBoXES - StANDArD (mm) JohNSoN CoNtroLS...

  • Page 81: Fig. 14 - Dimensions Evaporator Nozzle Arrangements

    4. Condenser water must enter the water box through the bottom connection for proper operation of the sub-cooler to achieve rated performance. 5. Add dimension "M" as shown on pages per unit dimensions page for the appropriate isolator type. fig. 14 – DIMENSIoNS – EVAPorAtor NoZZLE ArrANGEMENtS - StANDArD (mm) JohNSoN CoNtroLS...

  • Page 82: Fig. 15 - Dimensions Condenser Nozzle Arrangements

    5. Add dimension "M" as shown on pages per unit dimensions page for the appropriate isolator type. 6. heat recovery units offer marine water box option for tower (lower) bundle only. fig. 15 – DIMENSIoNS – CoNDENSEr NoZZLE ArrANGEMENtS - StANDArD (mm) JohNSoN CoNtroLS...

  • Page 83: Fig. 16 - Dimensions Evaporator Marine Waterboxes

    20" 18" 14" 2'-11 1/2" 6'-11 1/2" 6'-11 1/2" 2'-1 3/4" 3'-2 1/8" 6'-11 1/2" 1'-8 1/4" 3'-2 1/8" (508) (457) (356) (902) (2121) (2121) (654) (968) (2121) (514) (968) fig. 16 – DIMENSIoNS – EVAPorAtor MArINE WAtErBoXES JohNSoN CoNtroLS...

  • Page 84: Fig. 17 - Dimensions Condenser Marine Waterboxes

    (864) (2,089) (762) (864) (457) (406) 24" 2'-8" 7'-3" 7'-3" 2'-3 1/4" 2'-10" 7'-3" 2'-3 1/4" 2'-10" 20" 16" (610) (813) (2,210) (2,210) (692) (864) (2,210) (692) (864) (508) (406) fig. 17 – DIMENSIoNS – CoNDENSEr MArINE WAtErBoXES JohNSoN CoNtroLS...

  • Page 85: Table 1 - Approximate Unit Weight Including Motor

    4,940 (2,241) 60,100 (27,261) 81,300 (36,877) 5,500 (2,495) 59,200 (26,853) 80,000 (36,288) 5,125 (2,325) 66,000 (29,937) 87,000 (39,463) 5,625 (2,551) 79,500 (36,061) 104,000 (47,174) 6,900 (3,130) 95,300 (43,196) 123,015 (55,799) 6,555 (2,973) 80,500 (36,515) 105,000 (47,628) 6,275 (2,846) JohNSoN CoNtroLS...

  • Page 86: Table 2A - Evaporator Marine Waterbox Weights

    (1,820) (3,728) 3,641 1,893 3,609 5,350 2,556 4,770 (1,652) (859) (1,637) (2,427) (1,159) (2,164) 5,840 2,953 5,380 9,900 4,649 8,100 (2,649) (1,339) (2,440) (4,491) (2,109) (3,674) 9,094 4,762 9,058 13,326 6,524 12,409 (4,125) (2,160) (4,109) (6,045) (2,959) (5,465) JohNSoN CoNtroLS...

  • Page 87: Introduction

    (or optional units that are to be field assembled. spring isolators and brackets). The services of a Johnson Controls representative will be Form 2 – Factory Assembled Unit, complete with furnished to check the installation, supervise the initial...

  • Page 88: Inspection - Damage - Shortage

    (2 to 3 PSIG) (115/122 kPa). JOHNSON CONTROLS WILL NOT bE RESPONSIbLE FOR ANY DAMAGE IN SHIPMENT OR AT JOb SITE Miscellaneous packaging of control center, OR LOSS OF PARTS. (Refer to Shipping Damage tubing, water temperature controls, wiring, Claims, Form 50.15-NM)

  • Page 89: Location

    * 16 ft (4.9 meters) on shell codes Q-Q, N-N, R-R, X-T & X-X. or other sufficiently large opening ** 18 ft (5.5 meters) on shell code S-S, S-V, Z-Z. *** 22 ft (6.7 meters) on shell code W-W. properly located may be used. The JohNSoN CoNtroLS...

  • Page 90: Fig. 19 - Neoprene Isolators

    LD12640 LD12641 UNIT WEIGHT 28,836 - 53,530 lbs (13,081 - 24,281 Kgs) UNIT WEIGHT 53,531 - 100,464 lbs (45,570 - 58,968 Kgs) LD12642 UNIT WEIGHT 100,465 - 130,000 lbs (45,570 - 58,967 Kgs) fig. 19 – nEoPrEnE isolators JohNSoN CoNtroLS...

  • Page 91: Fig. 20 - Neoprene Isolators

    53,531 - 100,464 Lbs 10" 8" See FIG's 2-7 See FIG's 2-7 (24,281 - 45,569 Kgs) (254mm) (203mm) 100,465 - 130,000 Lbs 10" 8" See FIG's 2-7 See FIG's 2-7 (45,570 - 58,967 Kgs) (254mm) (203mm) fig. 20 – nEoPrEnE isolators JohNSoN CoNtroLS...

  • Page 92: Fig. 21 - Spring Isolators

    (4,536 Kgs uP to 15,880 Kgs) LD12646 LD12647 unit WEight unit WEight 89,341 lbs uP to 115,000 lbs 115,000 lbs. uP to 190,000 lbs (40,252 Kgs uP to 52,164 Kgs) (52,163 Kgs uP to 86,182 Kgs) fig. 21 – sPring isolators JohNSoN CoNtroLS...

  • Page 93: Fig. 22 - Spring Isolators

    89,341 - 115,000 Lbs 13-1/2" 8" 5" (40,252 - 52,164 Kgs) FIG's 2-7 FIG's 2-7 (343) (203) (127) 115,000 - 190,000 Lbs 16" 17" 16-1/4" (52,163 - 86,182 Kgs) FIG's 2-7 FIG's 2-7 (406) (432) (413) fig. 22 – sPring isolators JohNSoN CoNtroLS...

  • Page 94: Installation

    Johnson Controls repre- into the tapped hole in the top of the isolator leveling sentative.

  • Page 95: Evaporator And Condenser Water Piping

    Refer pumps, or other equipment. to FIG. 23 for typical water piping schematic. EVAPorAtor LD08529 fig. 23 – SChEMAtIC oF A tYPICAL PIPING ArrANGEMENt JohNSoN CoNtroLS...

  • Page 96: Refrigerant Relief Piping

    30 and 60 ft. lbs. (41 and 81 N·m) the nuts on completed under the supervision of the Johnson Controls the liquid head flanges. Gasket shrinkage and handling representative: (1) the lubricant piping to oil sump and during transit cause nuts to loosen.

  • Page 97: Control Panel Positioning

    Johnson Controls representative. with a phase sequence indicator in the presence of the Johnson Controls representative. power wiring chiller with electro-Mechanical starter DO NOT cut wires to final length or make final connections to motor A 115 volt –...

  • Page 98: Insulation

    Notification Insulation of the type specified for the job, or minimum to the Johnson Controls office should be by means of thickness to prevent sweating of 30°F (-1°C) surfaces Installation Checklist and Request, Form 160.46-CL1, should be furnished (by others) and applied to the in triplicate.
  • Page 99 800-861-1001 P.o. Box 1592, York, Pennsylvania USA 17405-1592 Subject to change without notice. Printed in USA www.york.com Copyright © by Johnson Controls 2009 ALL rIGhtS rESErVED Form 160.75-N1 (309) Supersedes: 160.75-N1 (607)
  • Page 100 centrifugal liquid chillers operating & maintenance Supersedes: 160.75-O1 (508) Form 160.75-O1 (309) model YK (stYle g) r-134a With optiVieW control center for electro-mechanical starter, solid state starter & VariaBle speed driVe 00611VIP LDO5842...
  • Page 101 All wiring must be in accordance with John- son Controls published specifications and must be performed oNly by qualified Johnson Controls personnel. Johnson Controls will not be responsible for damages/problems result- ing from improper connections to the controls or application of improper control signals.
  • Page 102 FORM 160.75-O1 (309) changeaBilitY of this document In complying with Johnson Controls policy for continu- It is the responsibility of operating/service personnel as ous product improvement, the information contained in to the applicability of these documents to the equipment this document is subject to change without notice. While in question.

  • Page 103: Table Of Contents

    Description of System and Fundamentals of Operation ....6 SECTION System Operating Procedures ............9 SECTION System Components Description ............ 14 SECTION Operational Maintenance ..............20 SECTION Troubleshooting ................22 SECTION Maintenance ................... 24 SECTION Preventive Maintenance ..............34 JOHNSON CONTROLS...
  • Page 104 8 – Charging Oil Reservoir with Oil ........21 fig. 9 – Evacuation of Chiller ............ 24 fig. 10 – Saturation Curve ............26 fig. 11 – Diagram - Megging Motor windings ......29 fig. 12 – Motor Stator Temperature & Insulation Resistance ..........30 JOHNSON CONTROLS...

  • Page 105: Section 1 Description Of System And Fundamentals Of Operation

    The con- ing the keys as labeled on the Control Center. The chiller denser water is supplied to the chiller from an external with the OptiView Control Center is compatible with an JOHNSON CONTROLS...
  • Page 106 The condensed refrig- erant drains from the condenser into the liquid return line, where the variable orifice meters the flow of liquid refrigerant to the evaporator to complete the refrigerant circuit. JOHNSON CONTROLS...
  • Page 107 FORM 160.75-O1 (309) COMPRESSOR PREROTATION VANES (See Detail A) DISCHARgE SuCTION DISCHARgE BAFFLE EVAPORATOR CONDENSER ELIMINATOR SuB-COOLER FLOw CONTROL ORIFICE LD00924 OIL COOLER fig. 2 – REFRIgERANT FLOw-THRu CHILLER JOHNSON CONTROLS...

  • Page 108: Section 2 System Operating Procedures

    OptiView™ Control Center, the pump. The Control Center will not allow the refer to Form 160.54-O1. chiller to start unless chilled liquid flow is established through the unit. If the chilled liquid pump is wired JOHNSON CONTROLS...
  • Page 109 Leaving Chilled Liquid – Low Temperature Control. Heat recovery chillers and chillers using optional head pressure control would use a signal provided by the microprocessor to control main condenser bundle heat rejection or pressure, respectively. JOHNSON CONTROLS...
  • Page 110 An optional status printer is available for this purpose add oil if necessary. or FIG. 4 shows a log sheet used by Johnson Controls 3. Check entering and leaving condenser water pressure Personnel for recording test data on chiller systems. It...
  • Page 111 1. Leak check the entire chiller. continues to hinder the performance of the unit, please call the nearest Johnson Controls District Office. Failure quarterly to report constant troubles could damage the unit and increase the cost of repairs.
  • Page 112 Open the drains on the evaporator and condenser liq- uid heads to assure complete drainage. (If a Variable Speed Drive, drain its cooling system. If Solid State Starter equipped drain liquid from starter cooling loop.) JOHNSON CONTROLS...

  • Page 113: Section 3 System Components Description

    FORM 160.75-O1 (309) section 3 sYstem components description OPTIVIEw CONTROL CENTER COMPRESSOR SuCTION DuAL RELIEF VALVES MOTOR EVAPORATOR 00611vip REFRIgERANT CHARgINg VALVE VARIABLE SPEED OIL PuMP CONTROL SIgHT gLASS front VieW fig. 5 – SYSTEM COMPONENTS JOHNSON CONTROLS...
  • Page 114 FORM 160.75-O1 (309) DISCHARgE LINE 28778A OIL RESERVOIR PuMP OIL COOLER rear VieW fig. 5 – SYSTEM COMPONENTS (CONT’D) JOHNSON CONTROLS...
  • Page 115 (see fig. 6) The chiller lubrication system consists of the oil pump, oil filter, oil cooler and all interconnecting oil piping and passages. There are main points within the com- pressor which must be supplied with forced lubrication as follows: JOHNSON CONTROLS...
  • Page 116 FORM 160.75-O1 (309) fig. 6 – SCHEMATIC DRAwINg – (YK) COMPRESSOR LuBRICATION SYSTEM LD08577a JOHNSON CONTROLS...
  • Page 117 Other setpoints affect nished. Overload/overcurrent transformers are furnished the control sensitivity and response. These setpoints with all units. must be entered at chiller commissioning by a qualified service technician. Only a qualified service technician may modify these settings. JOHNSON CONTROLS...
  • Page 118 The OptiView control panel will automatically modulate the hot gas valve open and closed as required. Adjust- ment of the hot gas control valve must be performed by a qualified service technician following the Hot Gas Set-up procedure. JOHNSON CONTROLS...

  • Page 119: Section 4 Operational Maintenance

    5. Open all the dehydrator stop valves. changing the dehYdrator To change the dehydrator, use the following pro- cedure: COMPRESSOR SOLENOID VALVE CHECK VALVE OIL EDuCTOR BLOCK SOLENOID VALVE DEHYDRATOR STOP VALVE STOP VALVE LD08578 fig. 7 – OIL RETuRN SYSTEM JOHNSON CONTROLS...
  • Page 120 “Operating Range” of the oil level indicator label. 2. Immerse the suction connection of the oil charging LD08579 OIL CHARgINg VALVE LD08648 fig. 8 – CHARgINg OIL RESERVOIR wITH OIL JOHNSON CONTROLS...

  • Page 121: Section 5 Troubleshooting

    Y m p tom : n o o i l pr e ss u r e W h en sYstem sta r t B u t ton pu sh ed Oil pump running in wrong Check rotation of oil pump direction. (Electrical Connections). Low oil pressure displayed on control center; compressor will not start. Troubleshoot electrical problem Oil pump not running. with oil pump VSD. JOHNSON CONTROLS...
  • Page 122 9. sYmptom: oil pressure sYstem ceases to return an oil/refrigerant sample Oil refrigerant return not functioning. Filter-drier in oil return Replace old filter-drier with new. system dirty. Jet or orifice of oil return Remove jet, inspect for dirt. Remove jet clogged. dirt using solvent and replace. 10. sYmptom: oil pump fails to deliVer oil pressure No oil pressure registers when pressing Faulty oil pressure Replace oil pressure transducer. transducer oil pressure display key when oil pump runs. Faulty wiring/connectors. JOHNSON CONTROLS...

  • Page 123: Section 6 Maintenance

    R-22 mixed with dry nitrogen so that a halide torch or electronic leak detector can be used to detect any leaks too small to be found by the soap test. eVacuation and dehYdration of unit 27385A(D) LD00949 fig. 9 – EVACuATION OF CHILLER JOHNSON CONTROLS...
  • Page 124 Step 6 above, the leak must be the evaporator vent connection, into the condenser found and repaired. head drain and out the condenser vent. To avoid the JOHNSON CONTROLS...
  • Page 125 When this final vaporization has taken place the pressure the result will be a faulty temperature reading. and temperature will continue to drop until eventually a temperature of 35°F (1.6°C) or a pressure of 5 mm Hg. is reached. JOHNSON CONTROLS...
  • Page 126 1574 3065 1474 2983 1805 3248 1775 3165 Iw, Ix 1710 3081 1680 3540 1615 3325 2162 uw, ux 3135 FQ, FR, 2160 u8, u9 3760 FS, FT 2099 3635 1966 3385 1990 EV, Ew, Ex 1899 1808 JOHNSON CONTROLS...
  • Page 127 4046 6243 4183 5958 RR, RS 4581 6555 R2, R3, R4 4539 6305 4364 6060 Yw, Yx 4418 7175 Y8, Y9 4137 6805 4398 6400 4929 6150 4626 SQ, SR, SS 4412 S2, S3, S4 4817 4688 4639 JOHNSON CONTROLS...
  • Page 128 24 hours phases and each phase to ground (See Fig. 11); these of idle standby. readings are to be interpreted using the graph shown in Fig. 12. LD00475 fig. 11 – DIAgRAM, MEggINg MOTOR wINDINgS JOHNSON CONTROLS...
  • Page 129 FORM 160.75-O1 (309) LD00476 temperature – °f fig. 12 – MOTOR STARTER TEMPERATuRE AND INSuLATION RESISTANCES JOHNSON CONTROLS...
  • Page 130 These symptoms may eliminate future problems. also be due to foul gas buildup. Purging will remove the foul gas revealing the effect of fouling. JOHNSON CONTROLS...
  • Page 131 2. Wash off both tube heads and the ends of all tubes with water. Do not use carbon tetrachloride for this purpose since its fumes give the same flame discoloration that the re- frigerant does. JOHNSON CONTROLS...
  • Page 132 Johnson Con- by restricted oil lines, passages, or dirty oil filters. If the trols office to request the presence of a Johnson controls unit is shutting down on (HOT) High Oil Temperature Service Technician.

  • Page 133: Section 7 Preventive Maintenance

    Shell Dolum R (Shell Oil Co.) the nearest Johnson Controls office for their further investigation and recommendations. Westinghouse Motor Lubrication: 2. Oil Changing – The oil in the compressor must be changed annually or earlier if it becomes dark or •...
  • Page 134 2. It is important that the factory settings of controls Slime and Algae Formation. (operation and safety) not be changed. If the settings are changed without Johnson Controls approval, the It is therefore to the benefit of the user to provide for warranty will be jeopardized.
  • Page 135 FORM 160.75-O1 (309) si metric conVersion JOHNSON CONTROLS...
  • Page 136 FORM 160.75-O1 (309) JOHNSON CONTROLS...
  • Page 137 FORM 160.75-O1 (309) notes JOHNSON CONTROLS...
  • Page 138 FORM 160.75-O1 (309) notes JOHNSON CONTROLS...
  • Page 139 P.O. Box 1592, York, Pennsylvania USA 17405-1592 Tele. 800-861-1001 Subject to change without notice. Printed in USA Copyright © by JOHNSON CONTROLS 2009 www.york.com ALL RIgHTS RESERVED Form 160.75-O1 (309) Supersedes: 160.75-O1 (508)

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