Related Manuals for Emerson Liebert PEX 1020FA/W/G
Summary of Contents for Emerson Liebert PEX 1020FA/W/G
- Page 2 TABLE OF CONTENTS ..........1 MPORTANT AFETY NSTRUCTIONS...
- Page 3 IPING Fluid Connections............37 7.1.1 Condensate Piping—Field-Installed .
- Page 4 11.0 AINTENANCE 11.1 Filters ..............71 11.1.1 Filter Replacement Procedure .
- Page 5 LIST OF FIGURES Figure 1 Downflow model component locations, air/water/glycol cooled systems ..... 3 Figure 2 Upflow model component locations - air/water/glycol/chilled water systems ....4 Figure 3 Downflow model component locations - chilled water EC fan systems .
- Page 6 Figure 43 Primary connection locations - 3 bay upflow, air/water/glycol cooled, dual scroll compressor models, forward curve fan ............. . . 54 Figure 44 Primary connection locations - 1 bay downflow, chilled water, forward curve fan .
- Page 7 LIST OF TABLES Table 1 Weights for 1 bay downflow, large frame models ........10 Table 2 Weights for 2 bay downflow, large frame models .
- Page 8 MPORTANT AFETY NSTRUCTIONS SAVE THESE INSTRUCTIONS This manual contains important safety instructions that should be followed during the installation and maintenance of the Liebert PEX. Read this manual thoroughly before attempting to install or operate this unit. Only qualified personnel should move, install or service this equipment. Adhere to all warnings, cautions and installation, operating and safety instructions on the unit and in this manual.
- Page 9 Water leakage can result in severe property damage and loss of critical data center equipment. Do not locate unit directly above any equipment that could sustain water damage. Emerson recommends installing leak detection equipment for unit and supply lines.
- Page 10 Liebert PEX Components and Nomenclature PEX C IEBERT OMPONENTS AND OMENCLATURE Figure 1 Downflow model component locations, air/water/glycol cooled systems 1. iCOM Control Display 7. Fan Motor 2. Filters 8. Fan Pulley 3. Evaporator Coil 9. Compressor 4. Electrical Panel 10.
- Page 11 Liebert PEX Components and Nomenclature Figure 2 Upflow model component locations - air/water/glycol/chilled water systems 1. iCOM Control Display 7. Electrical Panel 2. Fan outlet 8. Input Isolator 3. Fan Motor 9. Infrared Humidifier 4. Fan Pulley 10. Filters 5. Electric Reheat 11.
- Page 12 Liebert PEX Components and Nomenclature Figure 3 Downflow model component locations - chilled water EC fan systems 1. iCOM Control Display 6. Infrared Humidifier 2. Filters 7. EC Fan Motor (guard not shown) 3. Evaporator Coil 8. Condensate Pump (optional) 4.
- Page 13 Liebert PEX Components and Nomenclature Figure 4 Upflow model component locations - chilled water EC fan systems 1. iCOM Control Display 6. Input Isolator 2. EC Fan Motor 7. Filters 3. Electric Reheat 8. Chilled water supply/return pipes 4. Evaporator Coil 9.
- Page 14 Liebert PEX Components and Nomenclature Figure 5 Liebert PEX model number nomenclature Product Range P = PEX No. Modules - Bays/Fans 1 = One 2 = Two 3 = Three Nominal kW 20, 30, 40 to 150 Air Path F = Downflow (Forward Curve) G = Downflow (EC Backward Curve) U = Upflow (Forward Curve) V = Upflow (EC Backward Curve)
- Page 15 Cooling Configurations OOLING ONFIGURATIONS NOTE All field-installed piping must comply with applicable local, state and federal codes. Air Cooled Water Cooled Air cooled unit piping includes isolation valves from the Water cooled units are factory-charged. Field-installed factory and contain a nitrogen holding charge. Each water piping is required from the unit to the cooling installation requires refrigerant piping to a condenser.
- Page 16 (ESP) specific to the selected air path - refer Figure 5 - Liebert PEX model number nomenclature. Due to variations in applications, a speed change may be required to obtain the desired air flow. Consult Emerson Technical Support for more informa- tion.
- Page 17 Liebert PEX Dimensions and Weights PEX D IEBERT IMENSIONS AND EIGHTS Figure 6 Cabinet and floor planning dimensional data - 1 bay downflow, large frame models (33.6) (34.4) (0.75) 1970 (33.5) (77.5) Shaded area indicates a recommended minimum clearance for unit servicing and component access Table 1...
- Page 18 Liebert PEX Dimensions and Weights Figure 7 Cabinet and floor planning dimensional data - 2 Bay downflow, large frame models 1704 (67.1) (34.4) (0.75) 1970 Shaded area indicates (33.5) a recommended (77.5) minimum clearance for unit servicing and component access Table 2 Weights for 2 bay downflow, large frame models Dry Weight - kg (lb),...
- Page 19 Liebert PEX Dimensions and Weights Figure 8 Cabinet and floor planning dimensional data - 3 bay downflow, large frame models 2553 (100.5) (34.4) (0.75) 1970 (77.5) Shaded area indicates a recommended minimum (33.5) clearance for unit servicing and component access Table 3 Weights for 3 bay downflow, large frame models Dry Weight - kg (lb),...
- Page 20 Liebert PEX Dimensions and Weights Figure 9 Cabinet and floor planning dimensional data - 1 bay upflow, large frame models (33.6) (34.4) (0.75) (0.90) (33.5) 1970 Shaded area indicates a recommended minimum (77.5) clearance for unit servicing and component access Note: Upflow units must be connected to field supplied ductwork or factory discharge air plenum Table 4 Weights for 1 bay upflow, large frame models...