York YCAL0040SC Manuals

Manuals and User Guides for York YCAL0040SC. We have 1 York YCAL0040SC manual available for free PDF download: Installation Operation & Maintenance

York YCAL0040SC Installation Operation & Maintenance

York YCAL0040SC Installation Operation & Maintenance (136 pages)

MILLENNIUM Series AIR-COOLED LIQUID CHILLERS HERMETIC SCROLL

Brand: York | Category: Chiller | Size: 3 MB

Table of Contents

General Safety Guidelines
2
Read before Proceeding
2
Safety Symbols
2
Changeability of this Document
3
Table of Contents
4
Product Identification Number
7
Refrigerant Flow Diagram
9
- Installation Checklist
  10
- Location and Clearances
  10
- 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
- Pwm Input
  17
- Electrical Notes
  18
Electrical Data
20
Micropanel Power Supply
20
Standard Single Point Power
21
Standard Dual Point Power
22
Min Max Range
23
Optional Single Point Power
24
Optional Single Point Power
26
Optional Single Point Power
28
Operational Limitations
30
Voltage Limitations
30
Ethylene Glycol Correction Factors
31
Ethylene Glycol Correction Factors
33
- Physical Data
  34
Physical Data (English)
35
Physical Data (Metric)
37
- Center of Gravity
  39
- Weight Distribution
  39
- WEIGHT DISTRIBUTION (Kg)
  47
- Checking the System Prior to Initial Start (no Power)
  54
- Panel Checks
  54
- Pre-Startup Checklist
  54
- Checking Superheat and Subcooling
  55
- Initial Startup
  55
- Leak Checking
  56
- Unit Operating Sequence
  57
  - Microprocessor Board
    58
  - Section 2 Unit Controls
    58
  - Battery Backup
    59
  - Unit Status
    59
  - Unit Switch
    59
  - General Status Messages
    60
  - System Safeties
    62
  - Unit Safeties
    63
  - Unit Warning
    64
- Status Key
  65
Status Key Messages
65
- Display/Print Keys
  66
  - OPER DATA Key
    66
  - Operating Data Printout
    70
  - History Displays
    71
  - History Printout
    71
- "Entry" Keys
  73
  - ENTER/ADV Key
    73
  - Up and down Arrow Keys
    73
  - Cooling Setpoints
    74
- Setpoints Key
  74
Cooling Setpoints Programmable Limits & Defaults
76
SCHEDULE/ADVANCE DAY Key
77
Program Key Limits & Defaults
79
Unit Keys
81
- Unit Keys
  84
  - Capacity Control
    85
  - Leaving Chilled Liquid Control
    85
- Unit Operation
  85
- Leaving Water Temperature Control
  86
- Return Chilled Liquid Control
  88
Compressor Staging for Return Water Control
89
- Compressor Staging
  89
  - Evaporator Pump Control
    90
  - Evaporator Heater Control
    90
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
- Control Inputs/Outputs
  96
Microboard Analog Inputs
97
Microboard Binary Inputs
97
Microboard Outputs
97
- Microboard Layout
  98
- Digital Outputs
  102
- Microboard Relay Contacts Architecture
  103
Keypad Pin Assignment Matrix
103
- Optional Printer Installation
  104
Printer to Microboard Electrical Connections
104
- Troubleshooting
  105
- Maintenance
  108
- Isn Control
  109
Isn Transmitted Data
109
Received Data (Control 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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