Neptronic SK300 series Installation Instructions & User Manual
Steam humidifiers
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Summary of Contents for Neptronic SK300 series
- Page 1 Steam Humidifier SK300 series Installation instruction & user manual READ AND SAVE THESE INSTRUCTIONS SK300-ENG/071019...
- Page 2 National Environmental Products Ltd. Manufacturer Presentation ® National Environmental Products Ltd. (NEP) is the owner of the brand Neptronic NEP develops, manufactures and services a complete line of: • Steam humidifiers, •...
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Page 3: Table Of Contents
SK300 Humidifier Table of contents Table of contents Foreword and Manufacturer Presentation.……………….…….……………………………………………………………….i Presentation................................2 1.1. Overview ....................................2 1.2. Definition ....................................3 Characteristics ................................. 4 2.1. Dimensions & weight ................................4 2.2. Output and power consumption............................... 5 Mechanical installation............................6 3.1. -
Page 4: Presentation
SK300 Humidifier User Manual Presentation ® Thank you to have chosen one of the Neptronic products. You have purchased the best and the most robust humidifier for its category. 1.1. Overview 1.1.1. List of accessories supplied • 2 sets of keys. -
Page 5: Definition
SK300 Humidifier User Manual 1.1.3. Options avalaible The following options are available when purchasing a SK300 humidifier: • Modulating control humidifier – suffix M (i.e. SK320M) • Humidifier for system supplied with Deionised water or Reverse Osmosis water, dissolved solids more than 1 ppm (SF DI-APPLICATION) •... -
Page 6: Characteristics
SK300 Humidifier User Manual Characteristics Space Distribution Unit (option) Steam Humidifier (Illus. 2) 2.1. Dimensions & weight Dimensions of the cabinet inch (mm) Option SDU Model Weight lb (kg) Model Weight Full of Empty lb (kg) water SK302 SDU-1 23 ½ 18 ½... -
Page 7: Output And Power Consumption
SK300 Humidifier User Manual 2.2. Output and power consumption Steam Consumption Steam Output Amperage (A) Model Capacity Power Diameter inch (mm) lb/hr (kg/hr) (KW) 240/1 208/1 208/3 480/1 480/3 600/1 600/3 1 ⅜ SK302 (2.7) (35) 1 ⅜ SK304 11.5 (5.5) (35) 1 ⅜... -
Page 8: Mechanical Installation
SK300 Humidifier User Manual Mechanical installation 3.1. General recommendations • CAUTION: RISK OF ELECTRIC SHOCK. DISCONNECT THE APPLIANCE FROM THE ELECTRIC SUPPLY BEFORE TO PROCEED TO INSTALLATION. • Location: Plan a location easy to access in order to permit an easy inspection and servicing of the humidifier. Do not install humidifier where failure of the appliance could cause damage to the building structure or to costly equipment. -
Page 9: Steam Dispersion System Selection And Positioning
SK300 Humidifier User Manual Steam dispersion system selection and positioning 4.1. Steam dispersion system selection In order to prevent the accumulation of condensation in air ducts, NEP has designed 4 basic configurations of steam distribution to provide the client with the most economical solution for any particular application. 4.1.1. -
Page 10: User Manual
SK300 Humidifier User Manual 4.1.3. S.A.M. or S.A.M.E2 (steam absorption manifold) Vertical duct 45° S.A.M. SAM or SAME2 for vertical ducts are used where the absorption distances are normal and the client requires an economical as well as an efficient solution. S.A.M.E2. -
Page 11: Positionning Of S.a.m Or S.a.m.e2
SK300 Humidifier User Manual 4.2. Positionning of S.A.M or S.A.M.E2 4.2.1. Duct mounting Steam manifold should be mounted and secured through the side of the air handling unit or duct. Provision should be made for safe accessibility, ideally with an 5'’... - Page 12 SK300 Humidifier User Manual 4.2.3. Placement of steam pipe in horizontal duct 1 ⅜’’ (35mm) diameter pipe 6'’ minimum (150mm) 10'’ minimum 10'’ minimum (250mm) (250mm) 3'’ minimum (80mm) 1/3 H 8'’ (200mm) 1 pipe (Illus. 11) 2 pipes (Illus. 12) 2 ⅛’’...
- Page 13 SK300 Humidifier User Manual 4.2.4. Placement of steam pipe in vertical duct Eyelet orientation 45° 45° S.A.M S.A.M.E2 (Illus. 16) 3D view (Illus. 15) 1 ⅜’’ (35mm) diameter pipe 24’’ minimum 10’’ minimum (600mm) (250mm) 1/4 W 1/2 W 1/4 W 1/2 W 1 pipe (Illus.
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Page 14: Steam Output Connection
SK300 Humidifier User Manual Steam output connection 5.1. Typical installation 15 % Clamps Flexible hose Humidifier Rigid copper pipe Insulation Steam distribution manifold Duct (Illus. 21) 5.2. General recommendations Please follow these general rules of installation in order to avoid any static pressure inside distribution pipes and into the humidifier evaporation chamber, and also to avoid any condensation accumulation. -
Page 15: Position Of Steam Output
SK300 Humidifier User Manual 5.4. Position of steam output S m all C abinet Model Dimensions inches (mm) (S K 302-304-306) Small Cabinet SK302 5/16 13/16 SK304 (110) (122) SK306 M edium C abinet (S K 310-314) Medium Cabinet SK310 SK314 (102) (143) -
Page 16: Installation Of Humidifier With Space Distribution Unit (Sdu)
SK300 Humidifier User Manual 5.5. Installation of humidifier with Space Distribution Unit (SDU) • The SDU should be installed in an Without environment where the air is relatively additional 18'’ ventilation (0,45 m) clean. This will avoid the blower from 54'’... -
Page 17: Plumbing Connection
SK300 Humidifier User Manual Plumbing connection The operation of SK300 series humidifier is independent of variable water conditions, with soft or hard water. Therefore, for normal operation, no pre-treatment of water is necessary. Bottom view (Illus. 28) Dimensions inches (mm) -
Page 18: Drain Connection
SK300 Humidifier User Manual 6.2. Drain connection • Drain connection specification: Evaporation chamber water drain temperature: 180°F (83°C). Standard hydraulic fitting: 1 connector ¾ (evaporation chamber drain) and 1 connector ½ (Pan drain). • 2 hydraulic threaded fitting located under the humidifier (see Illus. 29) must be connected to the drain pipe. We recommend the use of standard copper hydraulic pipes ¾... -
Page 19: Low Voltage Control Connections
SK300 Humidifier User Manual Low voltage control connections 8.1. ''ON/OFF'' Humidifier 1 2 7 8 9 5 Vdc Humidistat Pressure Differential 5 Vdc switch High limit High voltage power Low voltage control terminal block terminal block (Illus. 33) 8.2. Modulating Humidifier 8.2.1. -
Page 20: Installation Instructions
SK300 Humidifier User Manual 8.2.2. Humidity control by humidifier (internal mode) Humidity controlled by humidifier, using HRM-X or HDM-X as space sensor. SK300 HRM-X HDM-X To Term. #3 COMMON To Term. #F 24 VAC OR VDC To Term. #6 0-10 VDC OUTPUT (Illus. - Page 21 SK300 Humidifier User Manual 8.2.3. Humidity Signals (internal mode) Terminal Block Modulating Printed Circuit Board Humidity signal 0-10 Vdc Extra jumper CONTROL INPUT 4-20mA 0-10V 2-10V Jumper on 0-10V HUMIDITY 0-10 Vcc INPUT 4-20mA 2-10V 0-10V High limit Pressure Differential Humidistat Switch TOP PCB...
- Page 22 SK300 Humidifier User Manual 8.2.4. Control Signals Terminal Block Modulating Printed Circuit Board Control signal 0-10 Vdc Extra jumper CONTROL INPUT 4-20mA 0-10V 2-10V Jumper on 0-10 Vcc 0-10V HUMIDITY INPUT 4-20mA 2-10V 0-10V High limit Pressure Differential Humidistat Switch TOP PCB MODULATING 5 Vdc...
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Page 23: Common Alarm Connections
SK300 Humidifier User Manual 8.3. Common Alarm Connections A volt free contact is provided in the form of both a normally open and normally closed contact that will switch in the event of an alarm on the SK300 humidifier. • Wherever possible it is recommended to use the normally closed contact. -
Page 24: Front Panel Display Features
SK300 Humidifier User Manual Front panel display features Alphanumeric Display: Indicates all operation parameters and the error messages (see section 14 – Trouble shooting). Push button M button: Used to access into program mode. Up and Down button: Used to increase or decrease the controlled parameters of the humidifier. -
Page 25: Description Display Modes
SK300 Humidifier User Manual 9.1. Description display modes 9.1.1. ''OFF'' Mode N E P 3 . 3 When the rocker switch is in the ''OFF'' position, the display shows the model of the S K 3 1 0 M humidifier and the program version number. (Illus. - Page 26 SK300 Humidifier User Manual 9.1.3. Diagnostic mode When the following conditions occur, the diagnostic messages override the scrolling information: Display Description Comment Modulating humidifier: No analog signal to the humidifier. On/Off humidifier: Humidity level has exceeded the No demand set point of the humidistat or humidity level has D E M A N D exceeded the set point on the high limit humidistat or airflow is not detected by the air pressure switch.
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Page 27: Programming
SK300 Humidifier User Manual 9.2. Programming To enter into programming mode, please push button at any time, to advance the program function to the next programming step in the menu push the same button twice. Unless other instructions, you can make a selection by using &... -
Page 28: Control P.c. Board
SK300 Humidifier User Manual Control p.c. board • The Printed circuit board designated ''PCB970819" is common to all SK300 series humidifier, ON/OFF or modulating, this pc board is equipped with an advanced microprocessor which controls all the humidifier functions. •... -
Page 29: Start Up Procedure
SK300 Humidifier User Manual Start up procedure We recommend to strictly following this start-up procedure in order to avoid any anomaly resulting from wrong cleaning of the components. In case of problem or discrepancy see section 14 – Trouble shouting guide. 1. -
Page 30: Service
SK300 Humidifier User Manual Service 12.1. General • The humidifier is set to give service demand on the alphanumeric display and on the CHECK light after is has reached the service hours setting (see section 9.2- Programming). • The routine service is a cleaning of the evaporation chamber. •... - Page 31 SK300 Humidifier User Manual 8. Cleaning of the evaporation chamber • Pour out any remaining water and scale that is on the bottom of the container • To clean out the remaining scale from the container, use a stiff brush (synthetic filament only) and some vinegar or any weak acid for cleaning stainless steel.
- Page 32 SK300 Humidifier User Manual 10. Re assembly of the evaporation chamber • Rinse out the container and the cover with water. • Check the cover gasket, and make sure that the gasket is well placed before to re-install the cover on the container. The water level sensor should be in front of the drain/fill connection of the evaporation chamber.
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Page 33: Exploded View & Bill Of Material
SK300 Humidifier User Manual Exploded view & Bill of Material 13.1. Exploded view SDU Cabinet Plastic gril Steam Trap Assembly Evaporation chamber base SK310 to SK360 Evaporation chamber base SK302 to SK306 (Illus. 55) -
Page 34: Bill Of Material
SK300 Humidifier User Manual 13.2. Bill of material Item Description Model Part number SK302 to 306 SW CONTSMA-ASSY Container of evaporation chamber SK310 to SK330 SW CONTMED-ASSY SK340 & SK360 SW CONTLAR-ASSY SK302 to 306 (1 phase) SP 4018-M SK304 to 306 (3 phases) SP 4019-M SK310 &... - Page 35 SK300 Humidifier User Manual Model Voltage Heater element Transformer Contactor SDU Transformer ∼ SE 5932 SP 3309 SP 3029 SP 3312 240V/1 ∼ SE 5933 SP 3300 SP 3029 SP 3305 208V/1 SK302 ∼ SP 3029 SE 5934 SP 3320 SP 3329 480V/1 ∼...
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Page 36: Trouble Shouting Guide
SK300 Humidifier User Manual Trouble shouting guide Problem Indicator Display Causes Corrective actions • The humidifier is not Power: Off • Check for the main power powered. supply and fuses. • The low voltage fuse is Check: Off • Check the transformer, Humidifier does not open. - Page 37 SK300 Humidifier User Manual Problem Indicator Display Causes Corrective actions • Service the evaporation Power: On Humidfier is chamber, see section 14. Check: Blink • The Running hours have S C R O L L operating and the • Reset the Running hours Fill: Off exceeded the Service M O D E...
- Page 38 SK300 Humidifier User Manual Personal notes...
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Page 39: General Condition Of Sale & Warranty
SK300 Humidifier General conditions of sale & warranty 1. General 10. Return of good • Goods received by the purchaser cannot be returned unless Unless otherwise arranged, in writing, the acceptance of the Order Confirmation by the purchaser includes acceptance of the a completed "R.M.A.
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