Carrier AquaSnap 61WG Series

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Order No.: 10226, 09.2018. Supersedes order No.: 10226, 10.2017. Manufactured by: Carrier SCS, Montluel, France.

Manufacturer reserves the right to change any product specications without notice. Printed in the European Union.

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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 Emergencies8
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 Hydraulic Module (Option 116)12
- 61WG/30WG 020-045 - Unit with Condenser Hydraulic Module (Option 270)12
- 61WG/30WG 020-045 - Unit with Evaporator/Condenser Hydraulic Modules (Options 116 + 270)13
- 61WG/30WG 020-045 - Stackable Unit (Option 273)14
- 61WG/30WG 050-090 - Standard Unit14
- 61WG/30WG 050-090 - Unit with Top Connections (Option 274)15
- 61WG/30WG 050-090 - Unit with Evaporator Hydraulic Module (Option 116)15
- 61WG/30WG 050-090 - Unit with Condenser Hydraulic Module (Option 270)16
- 61WG/30WG 050-090 - Unit with Evaporator/Condenser Hydraulic Modules (Options 116 + 270)16
- 61WG/30WG 050-090 - Unit with Hydraulic Module and Top Connections (Options 116 + 274 or 270 + 274 or 116 + 270 + 274)17
- 61WG/30WG 050-090 - Stackable Unit (Option 273)17
- 30WG 110-140 - Standard Unit18
- 30WG 110-140 - Unit with Top Connections (Option 274)18
- 30WG 110-140 - Unit with Hydraulic Module (Option 116-270)19
- 30WG 110-140 - Unit with Hydraulic Module and Top Connections (Option 116-270 and 274)19
- 30WG 150-190 - Standard Unit20
- 30WG 150-190 - Unit with Top Connections (Option 274)20
- 30WG 150-190 - Unit with Hydraulic Module (Option 116-270)21
- 30WG 150-190 - Unit with Hydraulic Module and Top Connections (Option 116-270 and 274)21
- 30WGA 020-045 - Standard Unit22
- 30WGA 020-045 - Unit with Evaporator Hydraulic Module (Option 116)22
- 30WGA 020-045 - Stackable Unit (Option 273)23
- 30WGA 050-090 - Standard Unit23
- 30WGA 050-090 - Unit with Evaporator Hydraulic Module (Option 116)24
- 30WGA 050-090 - Stackable Unit (Option 273)24
- 30WGA 110-140 - Standard Unit25
- 30WGA 110-140 - Unit with Hydraulic Module (Option 116)25
- 30WGA 150-190 - Standard Unit26
- 30WGA 150-190 - Unit with Hydraulic Module (Option 116)26
4 Physical and Electrical Data 61Wg/30Wg/30Wga27
- Physical Data 61WG/30WG27
- Physical Data 61WG/30WG/WGA Units with Hydraulic Module29
- Electrical Data 30WG/WGA29
- Short-Circuit Stability Current (TN System (1) ) - Standard Unit (with Main Disconnect Switch)31
- Electrical Data, Optional Hydraulic Module32
- Compressor Usage and Electrical Data Table36
5 Application Data38
- Operating Limits 61WG/30WG/WGA38
- Operating Range 61WG/30WG/30WGA39
- Minimum Chilled Water Flow39
- Maximum Chilled Water Flow39
- Variable Flow39
- Water Flow Rates39
- Minimum Water Volume40
- Maximum Water Loop Volume (Evaporator and Condenser Side)40
- Expansion Tank40
- Protection against Cavitation (Option 116)40
- Plate Heat Exchanger Pressure Drop (Includes Internal Piping)41
6 Electrical Connection42
- Electrical Connections, Control Box42
- Power Supply42
- Voltage Phase Imbalance (%)42
- Recommended Wire Sections42
- 24 V User Power Reserve43
30 Wga Unit Connections44
- Recommendations for the Installation of Liquid Chillers with Remote Condenser44
- Piping Installation and Connection44
8 Pipe Sizing with Refrigerant for 30Wga Units45
- General Considerations and Pipe Size Limits45
- Pipe Sizing45
- Discharge Pipe Sizing45
9 Water Connections47
- Operating Precautions47
- Frost Protection48
- Flow Switch (Units Without Hydraulic Module)48
10 Nominal Water Flow Control with Fixed-Speed Pump49
- General49
- Water Flow Control Procedure49
11 Nominal Water Flow Control with Variable-Speed Pump51
- Pump Flow/Pressure Curve51
- Available External Static Pressure51
- Available External Static Pressure (Variable Speed / Fixed-Speed High-Pressure Single Pumps, Units with Hydraulic Module)52
- Available External Static Pressure53
12 Operation of 30Wg Units with Specific Heating Control (Option 153)54
- Operating Principle54
- Auxiliary Electronic Board (AUX1) - Analogue and Digital Inputs and Outputs54
13 Operation of 30Wg Units with the Heating System Manager (Hsm)55
30 Wg/61Wg Unit Operation with a Drycooler (Option 154)56
- Operating Principle56
- Communication to Control the Drycooler56
- Configuration of the Number of Fan Stages and the Automatic Changeover of the Fan Stages56
- Fan Stage Assignment56
- Units Without Evaporator and Condenser Pump, Three-Way Valve Configuration for Low Outside Temperature Application56
- Drycooler Installation on Units56
30 Wga Unit Operation with a Remote Air-Cooled Condenser (Option 154)57
- Operating Principle57
- Lead Fan57
- Communication to Control the Remote Condenser57
- Configuration of the Number of Fan Stages and Fan Type Based on the Air-Cooled Condenser Model Used in the Installation57
16 Unit Operation with a Free Cooling Drycooler58
- Operating Principle58
- Communication to Control the Drycooler58
- Configuration of the Fans Control58
- Water Valves58
- System Installations Recommandation58
17 Start-Up59
- Preliminary Checks59
- Actual Start-Up59
- Operation of Two Units in Master/Slave Mode (Option 58)59
- Parallel or Serial Connection of Two Units59
18 Major System Components and Operation Data60
- Compressors60
- Lubricant60
- Evaporators and Water-Cooled Condensers60
- Electronic Expansion Valve (EXV)60
- Refrigerant60
- High-Pressure Switch and High-Pressure Sensor61
- High and Low-Pressure Side Relief Valve61
- Moisture Indicator61
- Filter Drier in the Refrigerant Circuit61
- Fixed-Speed Pump61
- Variable-Speed Pump61
- Evaporator and Condenser Pump Suction Filter61
- Outside Air Temperature (Option 312)61
19 Options and Accessories62
20 Maintenance65
- Soldering and Welding65
- General System Maintenance65
- Refrigerant Undercharge66
- Refrigerant Guidelines66
- Leak Detection66
- Evacuation66
- Recharging Liquid Refrigerant66
- Characteristics of R-410A67
- Electrical Maintenance67
- Tightening Torques for the Main Electrical Connections67
- Tightening Torques for the Main Bolts and Screws67
- Compressors68
- Evaporator and Condenser Maintenance68
- Corrosion Check68
21 Aquasnap Maintenance Program69
- Maintenance Schedule69
- Description of the Maintenance Operations69
22 Start-Up Ckecklist for Units (Use for Job File)70

Carrier AquaSnap 61WG Series - Page 72

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