Carrier 30WG 080 - Page 55

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55

Table of Contents

Default Chapter2
- Table of Contents2
1 Introduction5
- Installation Safety Considerations5
- Equipment and Components under Pressure6
- Maintenance Safety Considerations6
- Repair Safety Considerations7
- Measures, Provisions, Procedures against Emergencies9
2 Preliminary Checks9
- Check Equipment Received9
- Moving and Placing the Unit9
3 Dimensions, Clearances11
- 61WG/30WG 020-045 - Standard Unit11
- 61WG/30WG 020-045 - Unit with Top Connections (Option 274)11
- 61WG/30WG 020-045 - Unit with Evaporator Hydronic Module (Option 116)12
- 61WG/30WG 020-045 - Unit with Condenser Hydronic Module (Option 270)12
- 61WG/30WG 020-045 - Unit with Evaporator/Condenser Hydronic Modules (Options 116 + 270)12
- 61WG/30WG 020-045 - Unit with Hydronic Module and Top Connections (Options 116 + 274 or 270 + 274 or 116 + 270 + 274)13
- 61WG/30WG 020-045 - Stackable Unit (Option 273)13
- 61WG/30WG 050-090 - Standard Unit14
- 61WG/30WG 050-090 - Unit with Top Connections (Option 274)14
- 61WG/30WG 050-090 - Unit with Evaporator Hydronic Module (Option 116)15
- 61WG/30WG 050-090 - Unit with Condenser Hydronic Module (Option 270)15
- 61WG/30WG 050-090 - Unit with Evaporator/Condenser Hydronic Modules (Options 116 + 270)15
- 61WG/30WG 050-090 - Unit with Hydronic Module and Top Connections (Options 116 + 274 or 270 + 274 - 116 or 270 + 274)16
- 61WG/30WG 050-090 - Stackable Unit (Option 273)16
- 30WGA 020-045 - Standard Unit17
- 30WGA 020-045 - Unit with Evaporator Hydronic Module (Option 116)17
- 30WGA 020-045 - Stackable Unit (Option 273)18
- 30WGA 050-090 - Standard Unit18
- 30WGA 050-090 - Unit with Evaporator Hydronic Module (Option 116)19
- 30WGA 050-090 - Stackable Unit (Option 273)19
4 Physical and Electrical Data 61Wg/30Wg20
- Physical Data 61WG20
- Physical Data 30WG20
- Physical Data 30WGA21
- Physical Data 61WG/30WG/30WGA Units with Hydronic Module21
- Electrical Data 61WG/30WG/30WGA22
- Short-Circuit Stability Current (TN System*) - Standard Unit (with Main Disconnect Switch)22
- Electrical Data, Optional Hydronic Module23
- Compressor Usage and Electrical Data Table24
5 Application Data25
- Operating Limits 61WG25
- Operating Range 61WG25
- Operating Limits 30WG25
- Operating Range 30WG25
- Operating Limits 30WGA26
- Operating Range 30WGA26
- Minimum Chilled Water Flow26
- Maximum Chilled Water Flow26
- Variable Flow26
- Water Flow Rates26
- Minimum Water Volume27
- Maximum Water Loop Volume (Evaporator and Condenser Side)27
- Expansion Tank27
- Protection against Cavitation (Option 116)28
- Plate Heat Exchanger Pressure Drop (Includes Internal Piping)28
6 Electrical Connection29
- Electrical Connections, Control Box 61WG/30WG/ 30WGA29
- Power Supply29
- Voltage Phase Imbalance (%)29
- Recommended Wire Sections29
- 24 V User Power Reserve31
30 Wga Unit Connections31
- Recommendations for the Installation of Liquid Chillers with Remote Condenser31
- Piping Installation and Connection31
8 Pipe Sizing with Refrigerant for 30Wga Units32
- General Considerations and Pipe Size Limits32
- Pipe Sizing32
- Discharge Pipe Sizing32
- Liquid Line Sizing33
9 Water Connections33
- Operating Precautions33
- Water Connections34
- Frost Protection35
- Flow Switch (Units Without Hydronic Module)35
10 Nominal Water Flow Control with Fixed-Speed Pump35
- General35
- Water Fow Control Procedure35
11 Nominal Water Flow Control with Variable-Speed Pump36
- Pump Fow/Pressure Curve36
- Available External Static Pressure37
- Available External Static Pressure (Fixed-Speed Low-Pressure Pumps, Units with Hydronic Module)38
- Pump Curve (Units with Hydronic Modules)39
12 Operation of 61Wg Units with Specific Heating Control (Option 153)39
- Operating Principle39
- Auxiliary Electronic Board (AUX1) - Analogue and Digital Inputs and Outputs39
13 Operation of 61Wg Units with the Heating System Manager (Hsm)40
30 Wg Unit Operation with a Drycooler (Option 154)41
- Operating Principle41
- Auxiliary Electronic Board (AUX1) - Analogue and Digital Inputs and Outputs - to Control the Drycooler41
- Configuration of the Number of Fan Stages and the Automatic Changeover of the Fan Stages41
- Fan Stage Assignment41
- 30WG Units Without Evaporator and Condenser Pump, Three-Way Valve Configuration for Low Outside Temperature Application42
- Drycooler Installation on 30WG Units42
30 Wga Unit Operation with a Remote Air-Cooled Condenser (Option 154)42
- Operating Principle42
- Lead Fan42
- Auxiliary Electronic Board (AUX1) - Analogue and Digital Inputs and Outputs - to Control the Remote Air-Cooled Condenser42
- Configuration of the Number of Fan Stages and Fan Type Based on the Air-Cooled Condenser Model Used in the Installation42
16 Start-Up43
- Preliminary Checks43
- Actual Start-Up43
- Refrigerant Charge Adjustment43
- Oil Charge Adjustment44
- Operation of Two Units in Master/Slave Mode (Option 58)44
- Parallel or Serial Connection of Two 61WG/30WG/ 30WGA Units44
17 Major System Components and Operation Data44
- Compressors44
- Lubricant45
- Evaporators and Water-Cooled Condensers45
- Electronic Expansion Valve (EXV)45
- Refrigerant45
- High-Pressure Switch and High-Pressure Sensor46
- High and Low-Pressure Side Safety Valves46
- Moisture Indicator46
- Filter Drier in the Refrigerant Circuit46
- Fixed-Speed Pump47
- Variable-Speed Pump47
- Evaporator and Condenser Pump Suction Filter47
- Connection Sleeves47
- Option 272: High-Temperature Water Production with Glycol Solution47
- Outside Air Temperature Sensor47
18 Options and Accessories48
19 Maintenance49
- Soldering and Welding49
- General System Maintenance49
- Refrigerant Undercharge49
- Refrigerant Guidelines49
- Leak Detection50
- Evacuation50
- Recharging Liquid Refrigerant50
- Characteristics of R-410A50
- Electrical Maintenance51
- Tightening Torques for the Main Electrical Connections51
- Tightening Torques for the Main Bolts and Screws51
- Compressors51
- Evaporator and Condenser Maintenance51
- Corrosion Check51
20 Aquasnap Maintenance Program52
- Maintenance Schedule52
- Description of the Maintenance Operations52
21 Start-Up Ckecklist for 61Wg/30Wg/30Wga Units (Use for Job File)53

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