York RecipPak YEAZ88DR6 Installation Operation & Maintenance
  1. Manuals
  2. Brands
  3. York Manuals
  4. Chiller
  5. RecipPak YEAZ88DR6
  6. Installation operation & maintenance
York RecipPak YEAZ88DR6 Installation Operation & Maintenance

York RecipPak YEAZ88DR6 Installation Operation & Maintenance

Liquid chillers air cooled – reciprocating hermetic
Hide thumbs

Advertisement

Table of Contents

INSTALL., OPER., MAINT.
YEAZ88DR6, YEAJ44DR6, YEAJ44HT6, YEAJ54ES6,
YEAJ44DR7, YEAJ55DR7, YEAJ55HT7, YEAJ65ES7,
SHOWN WITH OPTIONAL
SINGLE POINT POWER CONNECTION
®
•
•
*With EPROM
AIR COOLED – RECIPROCATING HERMETIC
Supersedes: See Back Page
60 HZ MODELS
YEAJ55HT8, YEAJ65HT8, YEAJ66MT8
50 HZ MODELS
YEAJ66HT9, YEAJ76HT9, YEAJ77MT9
STYLE A*
031-01096-001
RecipPak LIQUID CHILLERS
(Standard, Brine & Metric Models, Combined)
Form 150.60-NM4 (1095)
26174A
200, 230, 460-3-60

Advertisement

Table of Contents
loading

Related Manuals for York RecipPak YEAZ88DR6

Summary of Contents for York RecipPak YEAZ88DR6

  • Page 1 RecipPak LIQUID CHILLERS AIR COOLED – RECIPROCATING HERMETIC INSTALL., OPER., MAINT. Supersedes: See Back Page Form 150.60-NM4 (1095) 60 HZ MODELS YEAZ88DR6, YEAJ44DR6, YEAJ44HT6, YEAJ54ES6, YEAJ55HT8, YEAJ65HT8, YEAJ66MT8 50 HZ MODELS YEAJ44DR7, YEAJ55DR7, YEAJ55HT7, YEAJ65ES7, YEAJ66HT9, YEAJ76HT9, YEAJ77MT9 STYLE A* 26174A SHOWN WITH OPTIONAL SINGLE POINT POWER CONNECTION...

  • Page 2: Table Of Contents

    System #2 Compressor Code 40 = 380-3-60 4, 5, 6, 7, 8 (See PHYSICAL DATA) 46 = 460-3-60 50 = 380/415-3-50 Cooler Code: 58 = 575-3-60 D, E, H, M 64 = 346-3-50 Fan Code: Condenser Code: R, S, T YORK INTERNATIONAL...

  • Page 3: Nomenclature

    Motor Size (M, N, P, Q, S, T, V) Voltage Code: 17 = 200-3-60 28 = 230-3-60 40 = 380-3-60 46 = 460-3-60 50 = 380/415-3-50 58 = 575-3-60 64 = 346-3-50 Motor Manufacturer (S = A.O. Smith, L = Leroy Somer) YORK INTERNATIONAL...
  • Page 4 CONDENSER FANS SHIPPING BRACE SYSTEM #1 LIQUID STOP VALVE SYSTEM #2 LIQUID STOP VALVE COOLER SYSTEM #2 INLET SOLENOID VALVE COOLER OUTLET COOLER, HEATER & THERMOSTAT 26175A SYSTEM #1 SYSTEM #2 FILTER/DRIER FILTER/DRIER FIG. 1 – UNIT COMPONENTS 25211A YORK INTERNATIONAL...
  • Page 5 FORM 150.60-NM4 26068A POWER PANEL SINGLE POINT CONNECTION TERMINALS GROUND LUGS INTERIOR VIEW 26069A FIG. 1 – UNIT COMPONENTS (Cont’d) YORK INTERNATIONAL...
  • Page 6 SUCTION PRESSURE CAPACITY CONTROL STOP CONNECTION SOLENOIDS VALVE RAINTIGHT OIL PRESSURE TERMINAL BOX ACCESS CONNECTION CRANKCASE HEATER 6 CYLINDER SUCTION MODEL J “G” COMPRESSOR STOP VALVE OIL CHARGING VALVE SIGHT GLASSES (2) 27599A FIG. 1A – COMPRESSOR COMPONENTS YORK INTERNATIONAL...

  • Page 7: Operational Limitations

    1. Units can be used for brine temperatures down to 20°F by reset- ting standard controls. For leaving brine temperatures down to 10°F, contact your YORK representative for application require- ments. 2. Operation below 25°F requires the Optional Low Ambient kit.

  • Page 8: Dimensions

    3127 2822 3261 3024 1'–6-1/2" NOTES: 1. Clearances – Minimum YORK clearances to prevent condenser air recirculation and faulty operation of units are as follows: Side-to-wall 8'–0" * Rear-to-wall 8'–0" * Control Panel End-to-wall 5'–0" Top 50'–0" Distance between adjacent units 12'–0"...

  • Page 9: Physical Data

    10,450 11,900 60 HZ CU/CU 9,400 9,600 10,200 9,800 10,750 10,800 12,250 OPERATING CU/AL 9,350 10,450 11,400 10,800 11,700 11,850 13,250 50 HZ CU/CU 10,450 10,650 11,550 11,050 12,100 12,200 13,600 REFRIG. CHARGE Sys.1 (LBS. R-22) Sys. 2 YORK INTERNATIONAL...

  • Page 10: Electrical Data

    3. Maximum dual element fuse size is based on 225% maximum plus 100% of the rated load amps for all other loads included in the circuit, per N.E.C. 440-22. 4. The recommended disconnect switch is based on a minimum of 115% of the summation rated load amps of all the loads included in the circuit, per N.E.C. 440-12A1. YORK INTERNATIONAL...
  • Page 11 = Heating, Air Conditioning ductor per N.E.C. Article 250-54. A control circuit grounding lug is also supplied. Incoming and Refrigeration ground wire range is #6 - #2/0 (50 - 90 Tons) or #6 - 350 MCM (95 - 230 Tons). YORK INTERNATIONAL...
  • Page 12 DUAL COMPRESSOR POWER SUPPLY WIRING STANDARD UNIT LD02072 NON-FUSED DISCONNECT OPTION LD02073 SINGLE POINT OPTION See Notes on page 10. LD02074 YORK INTERNATIONAL...

  • Page 13: Installation

    4. Pipe unit using good piping practice (see ASHRAE 26174A(R) BRACKET handbook or section 215 and 195 or YORK Service Manuals for detailed piping.) FIG. 3 – RIGGING THE CHILLER 5. Check to see that unit is installed and operated within LIMITATIONS shown on page 7.
  • Page 14 J66MT8 Cu/Cu 12,650 13,250 3349 CP-4-28 3045 CP-4-28 3541 CP-4-28 3305 CP-4-28 402237-20 Cu/AI 11,650 12,250 3127 CP-4-28 2822 CP-4-27 3261 CP-4-28 3024 CP-4-27 402237-41 J77MT9 Cu/Cu 13,000 13,600 3468 CP-4-28 3163 CP-4-28 3602 CP-4-28 3366 CP-4-28 402237-20 YORK INTERNATIONAL...
  • Page 15 Piping should 25112A COMPRESSOR MOUNTING PAD be kept free of all foreign matter. All liquid cooler piping must comply in all respects with local plumbing codes and ordinances. FIG. 4 – COMPRESSOR MOUNTING PAD YORK INTERNATIONAL...
  • Page 16 Since elbows, tees and valves decrease pump capacity, 7. A chilled water flow switch, (either by YORK or oth- all piping should be kept as straight and as simple as ers) MUST be installed in the leaving water piping of possible.

  • Page 17: Wiring Diagram

    115V, 100VA, resistive load only, and must be suppressed at load by user. 7. See application guide when optional equipment is used. 8. Control panel to be securely connected to earth ground. FIG. 5 – ELEMENTARY DIAGRAM YORK INTERNATIONAL...
  • Page 18 Alarm cir- cuitry, or pilot relays for pump starters wired through motor contactor auxiliary contacts must be suppressed with YORK P/N 301-00808 suppressor across the relay/contactor coil which activates the con- tacts. Any contacts connected to flow switch inputs or...
  • Page 19 FORM 150.60-NM4 CONNECTION DIAGRAM (SYSTEM WIRING) YEA 95 – 160 CONDENSER FANS COOLER LD02080 LD02081 COMPRESSORS LD02082 FIG. 5 – SYSTEM WIRING YORK INTERNATIONAL...
  • Page 20 COMPRESSOR TERMINAL BOX (SYSTEM NO. 1) COMPRESSOR TERMINAL BOX (SYSTEM NO. 2) LD02083 FIG. 6 – SYSTEM WIRING (Cont’d) YORK INTERNATIONAL...
  • Page 21 FORM 150.60-NM4 CONNECTION DIAGRAM, ELECTRICAL BOX YEA 95 – 160 LD02084 FIG. 7 – CONNECTION DIAGRAM YORK INTERNATIONAL...
  • Page 22 LD02085 LD02086 LD02087 FIG. 7 – CONNECTION DIAGRAM (Cont’d) YORK INTERNATIONAL...

  • Page 23: Unit Controls And Operation

    INTRODUCTION Compressor starting/stopping and loading/unloading de- cisions are performed by the Microprocessor to main- The YORK MicroComputer Control Center is a micro- tain leaving water temperatures. These decisions are a processor based control system capable of multi-circuit function of temperature deviation from setpoint and rate control to maintain chilled liquid temperature.
  • Page 24 CONTACTORS SYS 2 FAN CONTACTORS SYS 1 FAN OVERLOADS TB1 CONNECTIONS FOR OPTIONAL ALARMS,EVAP PUMP,COND PUMP, AND L& 2 115 VAC CONTROL PANEL SUPPLY SYS 2 MOTOR SYS 1 MOTOR 26176A CONTACTORS CONTACTORS FIG. 9 – POWER PANEL YORK INTERNATIONAL...
  • Page 25 POWER SUPPLY BOARD DISPLAY 2T TRANSFORMER BOARD RELAY OUTPUT BOARD #1 LOCATION OF MICROPROCESSOR OPTIONAL BOARD RELAY OUTPUT BOARD #2 CONNECTIONS FOR FLOW UNIT ON/OFF SWITCH, SWITCH LEAD/LAG SELECTOR AND EMS/BAS CONTROLS 26000A FIG. 11 – CONTROL PANEL (INTERIOR) YORK INTERNATIONAL...
  • Page 26 S P = 6 0 , D P = 2 2 9 P S I G which follows. * Discharge Pressure Readout is an option. Without this option, the display will read a fixed value. YORK INTERNATIONAL...
  • Page 27 Accumulated running hours on each compressor is dis- sitioning of S1. played. The counters for an individual system count to a * Discharge Pressure Readout is an option. Without this option, the display will read a fixed value. YORK INTERNATIONAL...
  • Page 28 R 1 3 4 A TOP VIEW DIMPLE AT TOP EPROM SIDE SIDE VIEW “OPEN” POSITION (LEFT SIDE OF SWITCH IS PUSHED DOWN) “CLOSED” POSITION (RIGHT SIDE OF SWITCH IS 26001A PUSHED DOWN) FIG. 22 – DIP SWITCH LOCATION AND POSITION LD01098 YORK INTERNATIONAL...
  • Page 29 Positioning of this switch also affects the range of adjustments on the Suction Pressure Cut-out (page 38) and the Low Leaving Water Temp Cut-out (page 37). YORK INTERNATIONAL...
  • Page 30 The micro will then assign the “lead” to the compressor enced. See page 78 for fan control sequence. with the shortest anti-recycle time. NOTE: Discharge pressure transducers must be in- stalled. These are optional (Discharge Pressure Read-out Option) unless a Low Ambient Kit is installed. YORK INTERNATIONAL...
  • Page 31 S Y S # 1 C O M P R U N N I N G S H U T D O W N S Y S # 2 C O M P R U N N I N G YORK INTERNATIONAL...
  • Page 32 D S C H L I M I T I N G S Y S # 2 D S C H L I M I T I N G A list of the fault messages are shown on the next page: YORK INTERNATIONAL...
  • Page 33 S Y S # 2 M O T O R C U R R E N T S Y S # 1 L L S V N O T S Y S # 2 L L S V N O T YORK INTERNATIONAL...
  • Page 34 The day will advance a day at a time, each time If this is not done, the new numbers entered will be lost the key is pressed. and the original values will be returned. YORK INTERNATIONAL...
  • Page 35 VALUES MUST BE CHECKED AND PROPERLY PRO- sired value and press the ENTER key. The new value will GRAMMED WHEN COMMISSIONING THE CHILLER. be entered into memory and the display will advance to FAILURE TO PROPERLY PROGRAM THESE VALUES the next user programmable limit. YORK INTERNATIONAL...
  • Page 36 ENTER key. The new #2 on the Micro Logic Board is in the CLOSED position. value will be entered into memory and the display will In the OPEN position, afixed 25°F cut-out is recognized. advance to the next user programmable limit. YORK INTERNATIONAL...
  • Page 37 This control works in conjunction Restart will occur when temperature rises above the with the RATE SENSITIVITY which is also programmable. cut-out if the anti-recycle timers are satisfied. YORK INTERNATIONAL...
  • Page 38 S E N S I T I V I T Y Program as required. If 5 or 7 steps is programmed, the “0” 5 . 0 F / M I N . key (05 or 07) must be pressed first. YORK INTERNATIONAL...
  • Page 39 Two A message showing the day, time and date will be dis- digits must be entered for each of these items. There- played when the SET TIME key is pressed. fore, a leading “0” may be required. YORK INTERNATIONAL...
  • Page 40 It also elimi- the days to view times programmed use the ADVANCE nates the need for operator intervention to erase the DAY KEY, not the ENTER KEY. This will assure that schedule after the holiday passes. YORK INTERNATIONAL...
  • Page 41 RWT CONTROL: SW 4 OPEN pressor. This assures minimum tonnage per step which (left side pushed down) reduces the possibility of compressor and loader cycling that is critical to precisely controlling temperature. LWT CONTROL: SW 4 CLOSED (right side pushed down) YORK INTERNATIONAL...
  • Page 42 R E T U R N W A T E R The following information will cover programming both T E M P C O N T R O L return and leaving control. Refer to either the RETURN YORK INTERNATIONAL...
  • Page 43 3 minutes. The 30 sec. loading Leaving Water Temperature” (LWT) that is required in timer may also be overridden by the micro if temperature the system. See the following: is in the Rate Control Range or the Control Range (CR). YORK INTERNATIONAL...
  • Page 44 NOTE: When programming values between 0.1° - 9.9°F, it is required to first key in a “0” or “00”. Ex- In the CONTROL RANGE loading/unloading will normally ample: 05.9°F. occur according to deviation from setpoint. “Rate Con- YORK INTERNATIONAL...
  • Page 45 45° - 46°F) than in the lower half (i.e. 44° - 45°F). This The micro will accept a range of programmable values is to prevent overshoot. between 0.5° - 5.0°F/min. To program the Low-Limit Water Temperature (LWT) and the Control Range (CR), press the CHILLED LIQUID YORK INTERNATIONAL...
  • Page 46 LWT and Control Range message peratures, the 150 sec. loading timer, and the 20 sec. until another key is pressed. unloading temperature when temperatures are in the Rate Control Range or the Control Range. YORK INTERNATIONAL...
  • Page 47 GET and the High Limit of the Control Range and in the Rate Control Range, loading will take place in 150 sec. The next item which will require programming is the RATE intervals until temperature drops below the TARGET tem- SENSITIVITY. perature. The Rate Control software may prevent loading YORK INTERNATIONAL...
  • Page 48 The micro will unload a stage 2°F below the The micro will accept a range of programmable values temperature at which it was loaded assuming between 0.5-5.0°F/min. unloading timers and rate control software allows. YORK INTERNATIONAL...
  • Page 49 7 Step (optional) chillers may ap- pear delayed (time between stages in- creased) when missing steps are acti- vated or deactivated by the micro. LD02091 FIG. 16 – 7 STEP LOADING/UNLOADING (RETURN WATER CONTROL) YORK INTERNATIONAL...
  • Page 50 Rate Sensitivity is exceeded. If tem- rently available, 7 step control sequence is shown. This perature drop exceeds 1 X the Rate Sensitivity, the mi- option may be available in the future. cro will unload the chiller to prevent overshoot. YORK INTERNATIONAL...
  • Page 56 26572A(D) YORK INTERNATIONAL CORPORATION RECIPROCATING WATER CHILLERS SYSTEM STATUS 8:45AM 4/17/91 SYS 1 COMPRESSOR RUNNING SYS 2 ANTI-COIN TIMER 13 SEC. RETURN WATER TEMP 65.0 DEGF LEAVING WATER TEMP 54.0 DEGF LOW WATER CUTOUT 36.0 DEGF SETPOINT TEMP 45.0 DEGF OUTSIDE AIR TEMP 75.0 DEGF...
  • Page 57 YORK INTERNATIONAL CORPORATION YORK INTERNATIONAL CORPORATION YORK INTERNATIONAL CORPORATION RECIPROCATING WATER CHILLERS RECIPROCATING WATER CHILLERS RECIPROCATING WATER CHILLERS SAFETY SHUTDOWN NUMBER 1 SAFETY SHUTDOWN NUMBER 2 SAFETY SHUTDOWN NUMBER 3 SHUTDOWN @ 8:48AM 4/17/95 SHUTDOWN @ 8:47AM 4/17/95 SHUTDOWN @ 8:47AM 4/17/95...
  • Page 63 26572A(D)
  • Page 64 26000A 26001A LD02092...
  • Page 65 LD02093 26001A...

  • Page 68: Compressor Capacity Control

    LD02094 CHILLER # OF COMPRESSOR # OF MODEL UNLOADING STEPS TYPE CYLINDERS STANDARD OPTIONAL SYS 1 Z Z88DR6 SYS 2 Z J44DR6 SYS 1 J J44HT6 SYS 2 J J54ES6 J55HT8 SYS 1 J J65HT8 SYS 2 J SYS 1 J J66MT8 SYS 2 J CHILLER...
  • Page 69 LD02095 LD02096...

  • Page 70: System Start-Up And Operation

    φ φ φ...
  • Page 76 LD02098 LD02097...
  • Page 77 MODEL NO. PART NO. MODEL NO. PART NO. FIELD MOUNTED FIELD MOUNTED Z88DR6-17P 471-01262-102 J65ES7-50P 471-01262-102 Z88DR6-28P 471-01262-102 J54ES6-58P 471-01262-102 Z88DR6-40P 471-01262-102 J65ES7-64P 471-01262-102 Z88DR6-46P 471-01262-102 J55HT8-17P 471-01262-101 J44DR7-50P 471-01262-102 J55HT8-28P 471-01262-101 Z88DR6-58P 471-01262-102 J55HT8-40P 471-01262-102 J44DR7-64P 471-01262-102 J55HT8-46P 471-01262-102 J44DR6-17P 471-01262-102 J66HT9-50P...
  • Page 79 LD02099...
  • Page 81 YORK INTERNATIONAL CORPORATION RECIPROCATING WATER CHILLERS SYSTEM STATUS 8:45AM 4/17/95 SYS 1 COMPRESSOR RUNNING SYS 2 ANTI-COIN TIMER 13 SEC RETURN WATER TEMP 65.0 DEGF LEAVING WATER TEMP 54.0 DEGF LOW WATER CUTOUT 36.0 DEGF SETPOINT TEMP 45.0 DEGF OUTSIDE AIR TEMP 75.0 DEGF...
  • Page 82 LD02100...
  • Page 83 00001TG LD 02101...
  • Page 84 LD02102...
  • Page 85 25246A LD02103...
  • Page 86 LD02104...

  • Page 87: Troubleshooting Chart

    Ω...
  • Page 89 ∆ ∆...
  • Page 92 36USC380 P .O. Box 1592, York, Pennsylvania USA 17405-1592 Subject to change without notice. Printed in USA Copyright © by York International Corporation 1997 ALL RIGHTS RESERVED Form 150.60.NM4 (1095) Supersedes:...

This manual is also suitable for:

Recippak yeaj44dr6Recippak yeaj44ht6Recippak yeaj54es6Recippak yeaj55ht8Recippak yeaj65ht8Recippak yeaj66mt8 ... Show all

Table of Contents