Data Aire DAL-06

To Previous Page

LCS DX IOM_10-2022

Main Page

Table of Contents3
Introduction7
Product Information7
Model Identification7
Inspection8
Paperwork8
Storage8
Suggested Reference Storage Room Conditions9
General Storage Considerations9
Registered Trademarks - Copy Rights - References Section10
Installation11
Recommended Tools for Installation12
Pre-Installation12
Installation Must be Planned so that12
Room Considerations13
Equipment Handling and Rigging14
Moving Unit into Final Location14
Rigging14
Locating the Unit14
Horizontal Airflow Units15
Installing/Mounting15
Figure 1 Typical Installation Methods16
Figure 2 Typical Installation Details16
Indoor Condensers and Condensing Units17
Piping17
Split Air-Cooled Unit Piping18
Discharge Lines18
Figure 3 Typical Discharge Check Valve19
Liquid Lines20
Suction Lines20
Recommended Line Sizing20
Table 1 Line Size Metric Conversion20
Hot Gas Lines21
Liquid Lines21
Table 2 Hot Gas Lines (Inches OD) (Single Circuit Systems)21
Table 3 Hot Gas Lines (Inches OD) (Dual Circuit Systems)21
Table 4 Liquid Lines (Inches OD) (Single Circuit Systems)21
Table 5 Liquid Lines (Inches OD) (Dual Circuit Systems)21
Suction Lines22
Connection Sizes, Air Cooled Units22
Table 6 Suction Lines (Inches OD) (Single Circuit Systems)22
Table 7 Suction Lines (Inches OD) (Dual Circuit Systems)22
Table 8 Connection Sizes, Air Cooled Units (Inches OD)22
Connection Sizes, Water/Glycol Cooled Units23
Connection Sizes, DX Water/Glycol-Cooled Units 3-Way Chilled Water Valves23
Connection Sizes, DX Water/Glycol-Cooled Units 2-Way Chilled Water Valves23
Connection Sizes, Chilled Water Units23
Table 9 Connection Sizes, Water/Glycol Cooled Units (Inches OD)23
Table 10 Connection Sizes (Inches OD), Water/Glycol-Cooled Units 3-Way CW Valve23
Table 11 Connection Sizes (Inches OD), Water/Glycol-Cooled Units 2-Way CW Valve23
Table 12 Connection Sizes, Chilled Water Units (Inches OD)23
Field Piping, Remote Condenser/Condensing Unit above Evaporator24
Field Piping, Remote Condenser/ Condensing Unit below Evaporator25
Connection Sizes, Fluid Coolers (Dry Coolers)26
Auxiliary Chilled Water/Energy Saver Coil26
Auxiliary Chilled Water/Energy Saver Coil Piping26
Condensate Drain System27
Condensate Trap28
Figure 4 Recommended Condensate Trap Dimensions29
Condensate Pump Side Mounting Pump (Optional)Humidifier Piping30
Figure 5 Typical Side Pump Mounting30
Humidifier31
Steam Generator Humidifier31
Humidifier Piping31
Refrigerant Piping Protection31
Water/Glycol Cooled Unit Piping32
Figure 6 Typical Water/Glycol System33
Leak Testing34
Electrical Installation34
Commissioning Information35
Electrical Connections36
General Electrical Field Wiring Guidelines37
Electrical Service38
Nameplate Ratings38
Grounding38
Voltage Tolerance38
Three Phase Voltage Tolerance38
Single-Phase Voltage Tolerance39
Heat Exchanger Auxiliary Control Wiring39
Table 13 Three Phase Voltage Tolerance39
Remote Shutdown40
Mini-Dap4 Controller40
Remote Alarm Contacts40
Figure 7 Typical Remote Heat Exchanger Interconnection Points40
Figure 8 Typical Indoor Evaporator Interconnection Points40
Remote Sensors41
Condensate Pump41
Disconnect Switch (Optional)41
Table 14 Remote Alarm Contacts Terminals41
Manual Override Switch Board42
Figure 9 Manual Override Switch Board42
Wiring Diagrams43
Installation of Remote Outdoor Heat Exchanger43
Charging44
Charging/Installation Work Procedures44
Triple Evacuation and Dehydration Procedure44
Tools Needed45
First Stage Evacuation45
Second Stage Evacuation46
Third Stage Evacuation46
Final Evacuation Stage47
General Pre-Charging Guidelines47
Voltage Phase Check48
Evaporator Power Phase Check48
Fixed Speed Scroll Compressor Phase Check49
Heat Exchanger Phase Check49
GHRC Air-Cooled Heat Exchanger Phase Check49
DARC Heat Exchangers Phase Check49
Line Set Charge Calculations49
Table 15 Liquid Line Multiplier49
Component Functional Test50
Charging Procedures50
Table 16 Liquid Line Multiplier for R-410A at Various Line Lengths50
Table 17 Liquid Line Multiplier for R-407C at Various Line Lengths50
Refrigerant Handling51
Air Cooled Split-System Charging51
Table 18 Large Ceiling System Units R-410A52
Table 19 Large Ceiling System Units R-407C53
Charging the Fixed Speed Compressor54
Additional Oil55
Table 20 Refrigerant Charge Values55
Flooded System Charging (Systems with Low Ambient Receiver Package)56
Refrigerant Receiver57
Applications57
Selection Guidelines57
Receiver Location57
Safety Relief Devices58
Receiver Installation58
Figure 10 Typical Low Ambient Receiver Package59
Charge Fixed Speed Compressor60
Water/Glycol-Cooled System Charging60
Table 21 Refrigerant Receiver Charging Chart60
Table 22 Discharge Head Pressure60
Table 23 Packaged Units Without Receivers61
Table 24 Packaged Units with Receivers61
Important Refrigeration Components62
Thermal Expansion Valve62
High Pressure Cutout Switch62
Low Pressure Cutout Switch62
Table 25 High Pressure Cutout Switch Setting62
Table 26 Low Pressure Cutout Switch Setting62
Liquid Line Solenoid Valve (Optional)63
Glycol Systems64
Glycol Concentration64
Internal (Fluid) Volume64
Fluid Cooler Internal Volume64
Brazed-Plate Condensers64
Table 24 LCS Internal (Fluid) Volume64
Water Treatment65
Type L Copper Tubing Internal Volume66
Table 28 Type L Copper Tubing Internal Volume66
Freezing Point of Aqueous Solutions67
Mixing Glycol and Water67
Table 29 Freezing Point of Aqueous Solutions67
Controls68
Mini-Dap4 Microprocessor Control Controller68
Optional Expanded Dap4 Microprocessor Controller68
Remote Heat Exchangers68
Regular Maintenance Items69
Air Filters69
Belts69
Bearings69
Fuses70
Electric Reheat70
Humidifier70
Humidifier Canisters70
Refrigerant Filter Drier70
EC Plenum (Plug) Fans71
Electronically Commutated Motors71
EC Motor Testing72
Maintenance/Inspection Checklist73
Frequently Asked Questions - FAQ76
Electrical FAQ Section76
Mechanical FAQ Section77
Figure 11 Example Remote EPO Switch Connection77
Contact Data Aire80

Data Aire DAL-06 - Page 83

Table of Contents

Related product manuals