Millennium series centrifugal liquid chillers with optiview control center for electro-mechanical starter, solid state starter & variable speed drive (156 pages)
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CENTRIFUGAL LIQUID CHILLERS SERVICE INSTRUCTIONS Supersedes: 160.69-NM4 (1215) Form 160.69-NM4 (920) FIELD RE-ASSEMBLY FOR FORM 3 AND 7 SHIPMENT MODEL YD CHILLERS - MOD C WITH OPTIVIEW CONTROL CENTER LD09115 Issue Date: September 30, 203...
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FORM 160.69-NM4 ISSUE DATE: 9/30/2020 IMPORTANT! READ BEFORE PROCEEDING! GENERAL SAFETY GUIDELINES This equipment is a relatively complicated apparatus. which it is situated, as well as severe personal injury or During rigging, installation, operation, maintenance, death to themselves and people at the site. or service, individuals may be exposed to certain com- This document is intended for use by owner-authorized ponents or conditions including, but not limited to:...
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Planned Service Agreement that leverages real time and generalized conditions. In lieu of the traditional and historical data, delivering performance reporting, maintenance program, a Johnson Controls YORK corrective actions required and data enabled guidance Conditioned Based Maintenance (CBM) program can for optimal operation and lifecycle assurance.
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FORM 160.69-NM4 ISSUE DATE: 9/30/2020 NOMENCLATURE — SPECIAL MODIFICATIONS MODEL DESIGN LEVEL EVAPORATOR CODE MOTOR CODE BB, BC, BD, B2, B3, B4, MB, MC, MD, M2, M3, M4, 60 Hz 50 Hz POWER SUPPLY NB, NC, ND, N2, N3, N4, –...
FORM 160.69-NM4 ISSUE DATE: 9/30/2020 LIST OF FIGURES FIGURE 1 - Front View Of Assembled Unit ......................7 FIGURE 2 - Form 7 Shipment ..........................8 FIGURE 3 - Dimensions – K Compressor Units Ft.–In. (mm) ................11 FIGURE 4 - 150 # Design Evaporator, No Hot Gas Bypass ...................13 FIGURE 5 - 150 # Design Condenser, No Hot Gas Bypass ...................15 FIGURE 6 - Rigging –...
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FORM 160.69-NM4 ISSUE DATE: 9/30/2020 THIS PAGE INTENTIONALLY LEFT BLANK. JOHNSON CONTROLS...
All openings This instruction explains the procedure to be used for on the compressors and shells are closed and charged reassembling the Model YD Chiller shipped disassem- with dry nitrogen (5 to 7 PSIG). bled (Shipping Form 3 and 7).
Refrigerant charge shipped in appro- opened and contents checked against the packing list. priate cylinders. Any material shortage should be reported to YORK When more than one chiller is involved, immediately (refer to Shipping Damage Claims (Form the major parts of each unit will be 50.15-NM)).
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FORM 160.69-NM4 ISSUE DATE: 9/30/2020 THIS PAGE INTENTIONALLY LEFT BLANK. JOHNSON CONTROLS...
FORM 160.69-NM4 ISSUE DATE: 9/30/2020 UNIT DIMENSIONS Refer to Table 1 on page 10 for specific dimensions based on Evaporator-Condensor shell combinations. LOW VOLTAGE EVAPORATOR CONDENSER LD18374 FIGURE 3 - DIMENSIONS – K COMPRESSOR UNITS FT.–IN. (MM) JOHNSON CONTROLS...
If utilizing any oil on the o-ring, it's recommended that you use LD19863a York "K" oil. See discharge line weight in Table 8 FIGURE 6 - RIGGING – DRIVELINE ASSEMBLY on page 18.
FORM 160.69-NM4 ISSUE DATE: 9/30/2020 6. Connect the oil drain lines between the com- 8. Tighten all hardware installed from the previous pressors oil drain flanges and oil pump housing steps 2 thru 8. flanges. Be sure to install the proper gaskets and 9.
FORM 160.69-NM4 ISSUE DATE: 9/30/2020 VSD Re-assembly 1. Install VSD bracket assembly. 2. Lift the Variable Speed Drive and remove all packing material, for Variable Speed Drive weight refer to Table 9 on page 21. Care- fully lower the Variable Speed Drive on to the supports on the condenser.
FORM 160.69-NM4 ISSUE DATE: 9/30/2020 3. Re-connect motor power leads in the Variable Final Assembly Notes Speed Drive to T1, T2, and T3 terminals and 1. Pressure test. NOTE: Relief valves must be torque to 18-20 Ft-lbs. per the labels in the VSD. plugged (or capped) (refer to Operation (Form 160.69-O3)).
FORM 160.69-NM4 ISSUE DATE: 9/30/2020 The following factors can be used to convert from English to the most common SI Metric values. TABLE 10 - SI METRIC CONVERSION MEASUREMENT MULTIPLY ENGLISH UNIT BY FACTOR TO OBTAIN METRIC UNIT Capacity Tons Refrigerant Effect (ton) 3.516 Kilowatts (kW) Power...
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