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York YHAU-C
Johnson Controls York YHAU-C User Manual
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Figure 34: Low chilled water contr
ol wiring (option)
Absorber pressure
PV1
(Spare)
PV2
(Spare)
PV3
(Spare)
PV4
Po
wer supply
RS485
Option 4
LD29617
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YHAU-C Single Effect St
eam-Fired Absor
ption Chiller
78
79
81
Table of Contents
Default Chapter
3
Table of Contents
3
Important
7
General Safety Guidelines
7
Safety Symbols
7
Changeability of this Document
8
Change Bars
8
Associated Literature
8
Nomenclature
9
General Chiller Information and Safety
10
Introduction
10
About this Manual
10
Warranty
10
Quality Assurance
11
Emergency Shutdown
11
High Temperature and Pressure Cleaning
11
Safety Labels
12
Material Safety Data Sheet
13
Product Description
14
Chiller Components
14
Control Panel
16
How It Works
17
Two Step Evaporator-Absorber
18
Solution Heat Exchanger
19
Generator
19
Condenser
20
Crystallization
20
Why Does Crystallization Occur
21
Handling, Storage, Installation and Reassembly
22
Inspection
23
Installation Guidelines
23
Hoisting the Machine
24
Moving the Machine on Rollers
24
Jacking the Machine
27
Structural Support and Installation
28
Indoor and Outdoor Installation
28
Electrical
29
Precautions for Use
29
Leak Testing
30
Electrical Shock Cautions
30
Vibration and Isolation Details
31
Hot Insulation and Cold Insulation Procedure
38
Technical Data
40
Upper Communication Specification
91
Upper Communication System Configuration
91
Scope of Delivery
92
Connection Port for Ethernet Communication
92
Communication Specification
93
Communication Data
93
User-Created
94
2-Wire Type Cable Diagrams
96
Wire Type Cable Diagrams
97
Commissioning
99
General Guidelines for Use
99
Before Operation
99
Precautions for the Use of Steam and Water
100
Chilled Water Outlet Temperature Controller
101
Liquid Level Gauges
101
Starting the Chiller
101
4
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Johnson Controls York YHAU-C Specifications
General
Brand
Johnson Controls
Model
York YHAU-C
Category
Chiller
Language
English
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