York YMC 2 User Manual

36 pages

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YMC

Model A

with OptiView™ Control Center

Centrifugal Liquid Chillers

Installation Guide Supersedes: 160.78-N1 (512) Form 160.78-N1 (222)

R-134a

Issue Date:

February 2, 2022

Table of Contents5
Section 1 - Shipping7
General7
Component Combinations7
Figure 1 - YMC 2 Chiller Components7
Table 1 - Allowable Motor, Compressor, Evaporator, and Condenser Combinations7
Field Assembled Units Only8
YMC 2 Shipment Forms8
Form 18
Form 28
Form 38
Form 78
Form 98
Form 108
Form 118
Inspection, Damage, and Shortage12
Chiller Data Plate12
Section 2 - Installation13
Overview13
Rig Chiller Unit13
Figure 2 - Rigging13
Determine Location14
Foundation Requirements14
Clearance Requirements14
Rig Unit to Final Location14
Install Isolators14
Neoprene Isolator Pads14
Figure 3 - Neoprene Isolators15
Figure 4 - Neoprene Isolators16
Install Optional Spring Isolators17
Figure 5 - Spring Isolators17
Figure 6 - Spring Isolators18
Make Connections19
Piping Connections19
Figure 7 - Typical Refrigerant Vent Piping19
Figure 8 - Schematic of a Typical Piping Arrangement20
Refrigerant Relief Piping21
Unit Piping21
Control Wiring21
Power Wiring21
Supplied Variable Speed Drive21
Figure 9 - FAA Unit Insulation22
Figure 10 - FAB Unit Insulation23
Apply Insulation24
Installation Check - Request for Start-Up Service24
Section 3 - Dimensions, Nozzle Arrangements, and Weights25
Compressor Unit Dimensions25
Figure 11 - Dimensions of 197 and 205 Compressor Units, Ft-In. (MM)25
Evaporator Nozzle Arrangements (150 Psi Compact Waterboxes)26
Figure 12 - Evaporators - Compact Waterboxes (1-Pass Nozzle Arrangements)26
Figure 13 - Evaporators - Compact Waterboxes (2-Pass Nozzle Arrangements)26
Figure 14 - Evaporators - Compact Waterboxes (3-Pass Nozzle Arrangements)26
Figure 15 - Evaporators - 150 Psi Compact Waterboxes27
Condenser Nozzle Arrangements (150 Psi Compact Waterboxes)28
Figure 16 - Condensers - Compact Waterboxes (1-Pass Nozzle Arrangements)28
Figure 17 - Condensers - Compact Waterboxes (3-Pass Nozzle Arrangements)28
Figure 18 - Condensers - Compact Waterboxes (2-Pass Nozzle Arrangements)28
Figure 19 - Condensers - 150 Psi Compact Waterboxes29
Evaporator Nozzle Arrangements (150 Psi Marine Waterboxes)30
Figure 20 - Evaporators - Marine Waterboxes (1-Pass Nozzle Arrangements)30
Figure 21 - Evaporators - Marine Waterboxes (2-Pass Nozzle Arrangements)30
Figure 22 - Evaporators - Marine Waterboxes (3-Pass Nozzle Arrangements)30
Figure 23 - Evaporators - 150 Psi Marine Waterboxes31
Condenser Nozzle Arrangements (150 Psi Marine Waterboxes)32
Figure 24 - Condensers - Marine Waterboxes (1-Pass Nozzle Arrangements)32
Figure 25 - Condensers - Marine Waterboxes (2-Pass Nozzle Arrangements)32
Figure 26 - Condensers - Marine Waterboxes (3-Pass Nozzle Arrangements)32
Figure 27 - Condensers - 150 Psi Marine Waterboxes33
Weights34
150 Psi Compact and Marine Waterboxes, Lb (Kg)34
Table 2 - Approximate Unit Weight* (Max Tube Count Using 150 Psi Compact Waterboxes)34
Table 3 - Evaporator Marine Waterbox Weights (to be Added to Standard Unit Weights Shown on Table 2)34
Table 4 - Condenser Marine Waterbox Weights (to be Added to Standard Unit Weights Shown on Table 2)34
Table 5 - si Metric Conversion35

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York YMC 2 Specifications

General

Refrigerant	R-134a
Operating Temperature Range	45°F - 65°F (7°C - 18°C) entering chilled water
Voltage Options	380V, 415V, 460V, 600V (50/60 Hz)
Type	Centrifugal Chiller
Sound Level	75 - 85 dBA

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