Seresco NE Series Installation And Operation Manual
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Summary of Contents for Seresco NE Series
- Page 1 Seresco: (pronounced Sir-ES-co) meaning “to become dry” Installation and Operation Manual NE Series Dehumidifiers For NE-004-016 Models: PV, NV, PH and NH Configuration Natatorium Dehumidifiers NC Series Outdoor Air-cooled Condensers...
- Page 2 CAUTION ONLY TRAINED, QUALIFIED PERSONNEL SHOULD INSTALL AND/OR SERVICE SERESCO EQUIPMENT. SERIOUS INJURY AND PROPERTY DAMAGE CAN RESULT FROM IMPROPER INSTALLATION/SERVICE OF THIS EQUIPMENT. HIGH VOLTAGE ELECTRICAL COMPONENTS AND REFRIGERANT UNDER PRESSURE ARE PRESENT 1-888- SERESCO (737-3726) Additional copies of this manual can be downloaded from: www.seresco.net...
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Page 3: Table Of Contents
TABLE OF CONTENTS 1. Introduction ..............………………....…… 4 Packaged Mechanical Refrigeration Systems..........…..…… 5 NE Series Dehumidifier features……..........…..…………… 6 2. Installation .................………….…………….. 2.1 Uncrating and Inspecting..................….…… 7 2.2 Mounting and Service Clearance………………………….........…… 7 2.3. High Voltage Electrical Connections ..............…….. 8 2.3.1 Wire and Fuse Sizing................…… 8 2.3.2 Line Voltage Connections..............….……... -
Page 4: Introduction
Figure 1 shows that relative humidity levels Seresco Technologies Inc., manufacturer of the outside the 40%- 60% range can result in NE Series of natatorium air quality control increased human susceptibility to disease from systems is dedicated to providing state-of-the-art... -
Page 5: Packaged Mechanical Refrigeration Systems
Seresco. The units are designed and developed specifically for dehumidifying indoor pools. A major benefit of this approach is that both the... -
Page 6: Ne Series Dehumidifier Features
6 - Compressors: The NE Series is equipped with robust high-efficiency scroll compressors. 7 - Direct driven blowers: No belts to adjust or maintain! The motor is even out of the air stream. -
Page 7: Installation
(with the logo on it) and opposite dehumidifier in all operating modes before it end of the NE series dehumidifier for piping, ships from the factory. The unit can suffer duct connections, and service access. damage in transit. Check the equipment thoroughly for both visible and concealed damage before you sign the receiving papers. -
Page 8: High Voltage Electrical Connections
Ethernet connection to the Internet allows all functions to be monitored by trained professionals The installing contractor must ensure with Seresco’s Websentry. It is the final step to ensure the facility operates trouble free. that all electrical wiring satisfies all National, State and Local codes. -
Page 9: Controller And Programming
Service Solid Yellow indicates that the NE The keyboard/display panel is shown in Figure Series unit is in Service Mode. 9 and is located on the NE Series unit at the Flashing Yellow indicates that the mechanical compartment access. The LCD... -
Page 10: Normal Mode And Programming
2.5.1 Normal Mode: Menus and selections are accessed using the “1-6” numbered keys – each menu item and parameter is preceded by a number from 1 to 6. When the scroll keys can be used to access additional menu items they will appear on the screen ( and ). The same scroll keys are used to change values after a parameter has been selected. -
Page 11: Logs
Please contact factory for can assist an owner or service technician in additional information. understanding his NE Series unit is doing at any given moment. 2.5.3 Logs This feature is accessed through the menu... -
Page 12: Sensors And Locations
2.5.5 Sensors and location. Figures 11 & 12 identify where the sensors are located in the NE Series units. Each sensor is accessible through the Command Center or Web Sentry. Sensor history is stored and can be reviewed in tabular form. -
Page 13: System Design Overview
Traditional problems in indoor pools are easily healthy pool environment. Seresco’s name is a predictable and can be avoided by following to useful checklist. -
Page 14: Evaporation Rate And Latent Loads
Galvanized sheet metal ducts are No Access = no service or maintenance. acceptable in most installations. A All NE series dehumidifiers have been below-grade duct system should use designed to require only two sides access. PVC or plastic-coated galvanized spiral Allow a minimum of 36 inches of clearance pipe to avoid deterioration. -
Page 15: Exhaust Air
Nominal air flows from NE series units are summarized in Table 3. Seresco suggests that only the wet deck (a 5-6’ perimeter) be considered in this calculation, as Supply air required (CFM) = [room volume (ft³) x... -
Page 16: Condensate Drain
Without a trap, condensate will not drain and the unit will overflow into your mechanical room. The NE Series units have an outdoor air opening Per Figure 18 pitch the condensate drain line with a filter and manual balancing damper. -
Page 17: Pool Water Piping Diagram
Figure 19 – Proper Pool Water Piping Installation... -
Page 18: Outdoor Air-Cooled Condenser Installation
Ensure the unit has proper airflow per Figure 20. A perimeter of free area equal to its width must be provided. Use line sizes as specified by Seresco. To avoid potential seasonal system charge problems, ensure the installed line lengths are never longer than indicated on the plans and specifications. -
Page 19: Charging Of Remote Condensers
Figure 21 – Typical Outdoor Condenser Installation the length of the piping. The unit nameplate 50’ line Factory Factory will show the exact field charge required. contractor Charge Refer to Table 5 to determine the necessary Model charge Charge (Lbs) charge for your application. -
Page 20: Pool Water Chemistry
Seresco has taken all possible commercially pools is NOT the result of too feasible precautions to protect the NE Series much free chlorine in the water; it units against the corrosion caused by is TOO LITTLE free chlorine that is accidentally high chemical levels. -
Page 21: Start-Up Procedures
If you do not have a start-up attempting the start-up. report, call the Seresco for a new copy or 7. Check the drain pan and the download a PDFversion from condensate piping. Test the drain and www.seresco.net. -
Page 22: System Operation Modes
15F 4.3. System Operation Modes cooler than when it entered. The standard sequence of operation for a Seresco dehumidifier is relatively simple. Air Conditioning Mode Stage 1 Whenever the compressor operates the evaporator coil is active where it absorbs The return air temperature is above heat from the warm, humid air stream. -
Page 23: Compressor Start Sequence
If all suggestions in the “Trouble shooting refrigerant, oil, and piping is contaminated. guide” have been exhausted, call Seresco’s The procedure in section 5.2.1 should be service department. Be sure to have the followed to replace the compressor and Model and Serial number when you call. -
Page 24: Service References
Repeat the previous step until your oil sample tests negative. Seresco will require a copy of the acid test result if there is a warranty replacement request. Figure 24 – Unit Nameplate/Factory Label... -
Page 25: Mechanical System Troubleshooting
6.2. Mechanical System Troubleshooting Issue Possible Cause Remedy Firestat contact closure Check firestat switch Check for tripped circuit Loss of main power breaker or blown fuses Manually shut down on Restart controller Check for loose or incorrect Supply blower will not start Faulty control wiring wires on system and controller Check for loose or faulty wiring... - Page 26 Keep head pressure above Head pressure too low 200 PSI by adjusting head pressure regulator Check register locations for short-cycling of air. Return air % RH level too low Check setpoints; unit should not be operating. Evaluate system air flow Check for dirty filters or restricted ductwork Low Suction pressure...
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Page 27: Microprocessor Troubleshooting
Ensure all exterior windows Poor air distribution see 3-5 CFM/ft² of glass over their entire area Airflow across evaporator is Check bypass damper too high. Coil only doing operation. Ensure fully open or Unit operates but windows sensible cooling recalibrate in Service mode. have condensation Re-evaluate unit sizing. -
Page 28: Blower Adjustment Procedure
6.5.2 Typical Unit Operation Parameters. There are several variables that impact unit 6.4.2 Internal Static Pressures (ISP). The standard NE Series unit is configured performance. If the unit is operating within for ¾” - 1” External Static Pressure (ESP) the parameters listed in Table 8, the depending on options. -
Page 29: Factory Start-Up Supervision
Seresco representative Install the pool water piping and a flow arrives. If the system is not ready, Seresco meter (if applicable). Purge all air from reserves the right to bill the contractor for a pool lines. -
Page 30: Warranty
Seresco Inc. warrants as set forth and for Parts that wear out due to normal the time periods shown below that it will usage, such as air filters, belts and furnish, through a Seresco Inc. - Page 31 0.3 ppm. These parameters are to be measured and recorded daily and be Force Majeure Seresco Inc. will not be liable for delay or available for review upon request. failure to provide warranty service due to government restrictions or restraints, war,...
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Page 32: Refrigeration Diagrams
6.8 Refrigeration Diagrams Figure 26 – Refrigeration Diagram – Basic unit and Outdoor Condenser Figure 27 – Refrigeration Diagram – Pool Heating and Outdoor Condenser... -
Page 33: Field Wiring Diagram
6.9 Field Wiring Diagram 6.10 Typical Electrical Panel Layout... -
Page 34: Warranty Registration And Start-Up Report
6.11 Start Up and Warranty Registration Form Project Name __________________________ NE Series Model _____________________ Location _______________________________ Serial Number _______________________ Jobsite telephone number ________________ Compressor Serial # __________________ Seresco Representative _________________ Voltage on site _______________________ Electrical Data L1 – L2 L2 – L3 L1 –... - Page 35 Total line length to OACC or Outdoor Air cooled condenser or Dry Cooler…………………………. Dry Cooler location: ……. ft [above / below] Seresco unit Hot gas line size……………….….. If above, oil traps installed: [yes / no] Liquid line size……………………..
- Page 36 Exhaust fan identified on the plans. Comments: Exhaust Air is minimum 110% the outdoor air CFM. _________________________________ Exhaust air drawn from the whirlpool or _________________________________ any other warm or highly active water _________________________________ area. _________________________________ 1-888-Seresco (737-3726) For more information visit www.seresco.net...
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