Johnson Controls YEWS Series User Manual

Name: Johnson Controls YEWS Series
Brand: Johnson Controls
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88 pages

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YEWS-E Water Cooling Screw Chiller/Heat Pump

YEWS-E SYSTEM FLOW CHART-1（for YEWS100H/130H/170H/200H/210H）

High pressure refrigerant line Low pressure refrigerant line

Oil line

Condenser

with internal oil separator

Compressor

Oil Eductor

Orifice

Evaporator

Default Chapter3
- Table of Contents3
Nomenclature6
- Responsibility for Safety6
- Safety6
- Warranty6
- About this Manual7
- Misuse of Equipment7
- Emergency Shutdown8
- Safety Labels8
1 General Manufacturer Information6
- Introduction6
2 Product Description9
- Introduction9
- Compressor9
- Oil Separator and Oil Sump10
- Refrigerant Circuits10
- Condenser10
- Evaporator10
- Power and Control Panel10
- Control Pannal11
- Motor Protection11
- Keyboard Control11
- Options12
- Functional Description12
3 Transprortation, Handling and Storage15
- Delivery and Storage15
- Inspection15
- Rigging15
4 Installation17
- General Description17
- Location Requirements17
- Installation of Vibration Isolators17
- Piping Connections19
- Water Treatment20
- Pipework Arrangement20
- Connection Types &Sizes20
- Refrigerant Relief Valve Piping20
- Electrical Connection21
- Condenser Cooling Water System21
- Variable Primary Flow22
- Power Wiring22
- Control Panel Wiring22
- 220Vac Output22
- System Input22
5 Control Center23
- Safety Notice for the Operation of the Controller23
- Initialization Operations23
- Instructions on the Operation25
- Instructions of Display Interface30
- Initialization Interface30
- Home Interface30
- Status Display30
- Parameter Setting32
- Clock Setting43
- Fault Inquiry43
- General Parameters Setting and Defult Values45
- Fault Imformation48
- Modbus Protocol49
- 6 Commissioning54
  - Preparation54
  - First Time Start-Up56
7 Operation57
- General Description57
- Start-Up57
- Normal Running and Cycling57
- Other Notes58
- Running Detection59
8 Maintenance61
- General Requirements61
- Daily Maintenance61
- Compressor Oil62
- Oil Filter63
- Condenser and Evaporator63
- Checking System for Leaks65
- Evacuation and Dehydration of Unit66
- Working Conditions66
- Scheduled Maintenance66
9 Trouble Shooting67
- System Trouble Shooting Analysis67
- Sensor Calibration Charts69
10 Technical Data70
- Unit Physical Parameters70
- Water Pressure Drop70
- Physical Datas71
- Starting/Operation Limits of Unit71
- Foundation Diagram73
- Dimensions74
11 Spare Parts75
- Recommended Spares75
- Recommended Compressor Oils75
12 Decommissioning,Dismantling and Disposal76
- General Description76
Installation Instructions for the Hf68 Flow Switches77
- Application77
- Parameters77
- Flow Adjustment Range and Media Temperature Range77
- Installation77
- Wiring77
- Steps to Adjust the Flow Switch Settings78
ATTACHED DRAWINGS 1: YEWS Electrical Drawing-Compressor for 50Hz Power79
ATTACHED DRAWINGS 2: YEWS Electrical Drawing-Main Board (YEWS100H/130H/170H/200H/210H) for 50Hz Power80
ATTACHED DRAWINGS 3: YEWS Electrical Drawing-Main Board (YEWS215P) for 50Hz Power81
ATTACHED DRAWINGS 4: YEWS Electrical Drawing-Main Board(YEWS100P/130P/170P/200P) for 50Hz Power82
ATTACHED DRAWINGS 5: YEWS Electrical Drawing-Compressor for 60Hz Power83
ATTACHED DRAWINGS 6: YEWS Electrical Drawing-Main Board (YEWS100H&130H&170H&200H) for 60Hz Power84
ATTACHED DRAWINGS 7: YEWS Electrical Drawing-Main Board (YEWS215P) for 60Hz Power85
ATTACHED DRAWINGS 8: YEWS Field Connection for 60Hz Power86
ATTACHED DRAWINGS 9: Transformer For230V/3P/60Hz Application87

Johnson Controls YEWS Series User Manual

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Brand	Johnson Controls
Model	YEWS Series
Category	Chiller
Language	English