York YCAL0020SC Manuals

Manuals and User Guides for York YCAL0020SC. We have 1 York YCAL0020SC manual available for free PDF download: Installation Operation & Maintenance

York YCAL0020SC Installation Operation & Maintenance

York YCAL0020SC Installation Operation & Maintenance (136 pages)

MILLENNIUM Series AIR-COOLED LIQUID CHILLERS HERMETIC SCROLL

Brand: York | Category: Chiller | Size: 3.51 MB

Table of Contents

Table of Contents
4
Product Identification Number
7
Refrigerant Flow Diagram
9
Section 1 Installation
10
Standard Power Supply Wiring
14
Optional Single Point Power Supply Wiring
15
N-F Disc Sw or Circ Bkr
16
Control Wiring
17
Electrical Data
20
Micropanel Power Supply
20
Standard Single Point Power
21
Standard Dual Point Power
22
Optional Single Point Power
24
Optional Single Point Power
26
Optional Single Point Power
28
Operational Limitations
30
Ethylene Glycol Correction Factors
31
Ethylene Glycol Correction Factors
33
- Physical Data
  34
Physical Data (English)
35
Physical Data (Metric)
37
- Pre-Startup Checklist
  54
- Initial Startup
  55
- Unit Operating Sequence
  57
- Section 2 Unit Controls
  58
- Status Key
  65
Status Key Messages
65
- Display/Print Keys
  66
- "Entry" Keys
  73
- Setpoints Key
  74
Cooling Setpoints Programmable Limits & Defaults
76
Program Key Limits & Defaults
79
Unit Keys
81
- Unit Keys
  84
- Unit Operation
  85
- Leaving Water Temperature Control
  86
Compressor Staging for Return Water Control
89
- Compressor Staging
  89
Condenser Fan Control Using Outdoor Ambient
90
Low Ambient Condenser Fan Control - Ambient
91
Low Ambient Condenser Fan Control - Discharge
91
Pressure Control
91
Compressor Operation - Load Limiting
92
Section 3 Service and Troubleshooting
95
Microboard Analog Inputs
97
Microboard Binary Inputs
97
Microboard Outputs
97
- Microboard Layout
  98
Keypad Pin Assignment Matrix
103
- Microboard Relay Contacts Architecture
  103
- Optional Printer Installation
  104
Printer to Microboard Electrical Connections
104
- Troubleshooting
  105
- Maintenance
  108
- Isn Control
  109
Isn Received Data
109
Isn Transmitted Data
109
Isn Transmitted Data
110
Operational and Fault Codes
111
Elementary Diagram
112
Section 4 Wiring Diagrams
112
Elementary Diagram
116
Elementary Diagram
120
Elementary Diagram
124
Section 5 Appendix 1 – Isolators
128
R Spring Seismic Isolator
131
Type Cp Mounting
132
Aeqm" Spring-Flex Mounting
133

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