York YCRS Series Manuals

York YCRS Series Manuals

Manuals and User Guides for York YCRS Series. We have 1 York YCRS Series manual available for free PDF download: Installation, Operation And Maintenance Manual

York YCRS Series Installation, Operation And Maintenance Manual

York YCRS Series Installation, Operation And Maintenance Manual (104 pages)

WATER COOLED REMOTE CONDENSER 81 TONS THROUGH 194 TONS (285 KW THROUGH 682 KW)

Brand: York | Category: Chiller | Size: 2.22 MB

Table of Contents

Table of Contents
3
Section 1 General Chiller Information & Safety
6
- Introduction
  6
- Warranty
  6
- Safety
  6
  - Standards for Safety
    6
- Responsibility for Safety
  7
- About this Manual
  7
- Misuse of Equipment
  7
  - Suitability for Application
    7
  - Structural Support
    7
  - Mechanical Strength
    7
  - General Access
    7
  - Pressure Systems
    7
  - Electrical
    7
  - Refrigerants and Oils
    8
  - High Temperature and Pressure Cleaning
    8
- Emergency Shutdown
  8
Section 2 Product Description
9
- Introduction
  9
  - Compressor
    9
  - Motor Starting
    10
  - Capacity Control
    10
- Oil Separator
  11
- Oil Cooler
  11
- Refrigerant Circuits
  11
- Condenser
  11
- Cooler
  11
- Power and Control Panels
  12
- Microprocessor Controls
  12
- Motor Current Protection
  12
  - Motor Protector Module
    13
  - Current Overload
    13
  - Thermal Overload
    13
  - Current Unbalance / Loss of Phase
    13
  - Improper Phase Sequence
    13
- Keypad Controls
  13
  - Status Key
    13
  - Display Keys
    14
  - Print Keys
    14
  - Entry Keys
    14
  - Setpoints Keys
    14
  - Clock Keys
    14
  - Program Key
    14
- Accessories and Options
  14
  - Alternative Refrigerants
    14
- Electrical Options
  14
- Accessories
  15
  - Aternative Chilled Fluid Applications
    15
- Nomenclature
  16
- Functional Description
  16
- Delivery and Storage
  17
- Inspection
  17
- Moving the Unit
  17
  - Lifting by Crane / Hoist
    17
  - Lifting by Fork Lift
    18
- Control Panel Removal
  18
- Lifting Weights
  18
Section 4 Installation
19
- Location Requirements
  19
- Installation of Vibration Isolators
  19
- Pipework Connection
  19
  - General Requirements
    19
- Water Treatment
  20
  - Glycol Solutions
    20
- Pipework Arrangement
  21
  - Recommendations of the Building Services Research Association
    21
- Connection Types & Sizes
  21
  - Cooler Connections
    21
  - Option Flanges
    22
- Refrigerant Relief Valve Piping
  22
- Condenser Cooling Liquid Systems
  22
- Condenser Piping
  22
  - Discharge Lines
    22
  - Liquid Lines
    22
- Electrical Connection
  24
- Power Wiring
  24
- Common Input Section Wiring
  25
  - Chilled Liquid Pump
    25
  - Common Run Signal
    25
  - System Alarm
    25
- Control Panel Wiring
  25
  - Flow Switch
    25
  - Remote Run/Stop
    26
  - Remote Print (PNT)
    26
  - Remote Setpoint Offset - Temperature
    26
  - Remote Setpoint Offset - Current
    26
- Customer Wiring Data
  27
- Connection Diagram Legend and Notes
  28
- Commissioning
  29
  - Preparation
    29
  - Preparation - Power off
    29
- First Time Start-Up
  31
Section 6 Unit Operation
32
- Unit Operation
  32
  - General Description
    32
- Start-Up
  32
- Normal Running and Cycling
  32
- Shutdown
  32
1 Introduction and Descriptions

33
- Input / Output Expansion Board
  33
- Internal Clock & Memory Backup Battery
  33
- Power Supply Board
  33
- Relay Output Board
  33
- Section 7 Micropanel
  33
- System Switches 1-2
  33
- Circuit Breakers
  34
- Current Transformers (Ct)
  34
- Logic Section
  34
- Motor Protector Modules
  34
- Transformers
  34
- Remote Current Reset
  35
- Remote Start/Stop
  35
- Remote Setpoint Reset
  36
- Alarm Contacts
  37
- Anti-Recycle Timer
  37
- Chilled Liquid Pump Contact
  37
- Common Input Power Section Voltage Free Contacts
  37
- Control Panel
  37
- Remote Emergency Stop Device
  37
- Run Contact
  37
- Anti-Coincidence Timer
  38
- Compressor Heater Control
  38
- Lead/Lag Compressor Selection
  38
- Pumpdown (LLSV) Control
  38
2 Control Panel Programming and Data Access

39
- Display and Status Keys
  39
- Program and Setup Keys
  39
3 Status Keys

40
- General
  40
- General Status Messages
  40
- Unit Warnings
  41
- Anticipation Control Status Messages
  42
- Unit Fault Status Messages
  43
- System Fault Status Messages
  44
- Printout on Fault Shutdown
  47
4 Display Keys

48
- General
  48
- Chilled Liquid Temps Key
  48
- System Data Keys
  48
- Ambient Temp Key
  49
- Motor Current Key
  49
- Operating Hrs / Start Counter Key
  50
- Options Key and Dip Switch Settings
  50
- DIP Switch Settings
  51
- Function Key
  51
5 Print Keys

52
- General
  52
- Oper Data Key
  52
- Oper Data - Local Display Messages
  52
- Oper Data - Remote Printout
  54
- History Key
  55
- History - Local Display Messages
  55
- History - Remote Printout
  58
- Local Printer Option
  59
6 Entry Keys

61
- General
  61
- Numerical Keypad
  61
- Enter Key
  61
- Cancel Key
  61
- Keys
  61
7 Setpoint Keys and Chilled Liquid Control

62
- General
  62
- Chilled Liquid Temperature Control
  62
- Slide Valve Control
  63
- Load Timers
  63
- Slide Valve Position
  63
- Compressor Starting and Loading Sequence
  63
- Compressor Loading
  64
- Loading Limiting
  64
- Compressor Unloading and Shutdown Sequence
  64
- Local Cooling Setpoints Key
  64
- Remote Cooling Setpoints Key
  65
8 Clock Keys

66
- General
  66
- Set Time/Date Key
  66
- Set Schedule/Holiday Key
  67
- Manual Override Key
  68
9 Program Keys

69
- General
  69
- User Programmable Values
  69
- Input/Output Display Routine
  72
10 Ems / Bas Interface Card Kits

74
- EMS / BAS Remote Temperature Reset
  74
- Reset Option
  74
- Section 8 Maintenance
  76
  - General Requirements
    76
  - Daily Maintenance
    76
  - Scheduled Maintenance
    76
  - Standard Units
    77
  - Troubleshooting Guide
    78
  - Sensor Calibration Charts
    80
  - Typical Control Panel Wiring
    82
- Section 9 Technical Data
  84
  - Flow Rate and Pressure Drop Graphs
    84
  - Physical Data / Sound Data
    87
  - Electrical Data
    88
  - Dimensions
    94
  - Isolator Selection Data
    98
  - Isolator Details
    99
  - Sound Data
    100
  - Compressors
    101
- Section 10 Spare Parts
  102
  - Recommended Spare Parts
    102
  - Recommended Compressor Oils
    102
  - Associated Drawings
    102
- Section 11 Decommissioning, Dismantling and Disposal
  103
  - General
    103

Advertisement

Advertisement

Related Products

York Categories

Air Conditioner

Air Conditioner Heat Pump Chiller Furnace Air Handlers

More York Manuals