SKR series Steam Humidifier with SDU module (Patent Pending) Installation instructions & user manual READ AND SAVE THESE INSTRUCTIONS SDU-SKR-CE-ENG-170428...
Please observe the local regulations concerning the provision of electrical installations. Correct Use Neptronic systems and its products are designed only for humidification use. Any other application is not considered appropriate for the intended purpose. The manufacturer cannot be made liable for any damage resulting from incorrect use.
Electrical diagram for SKR with SDU module – Kit N ..................23 17.2. Electrical diagram for SKR with SDU module – Kit M-N ................... 24 17.3. 17.4. Modulating humidifier with HRO20 ........................25 17.5. Modulating humidifier with HRO20 and SHR10 or SHC80................26 www.neptronic.com...
SP 9047 1 length included 1 length included Kit N includes terminals for the connection of controls other than those mentioned in the above table, please contact Neptronic for additional information about this option 1.2. SKR with SDU module overview Electrical...
Evaporation chamber Assembly including the stainless steel cylinder and a cover equipped with an electric element. High voltage quick connect Dimple for the alignment High temperature switch of the cover quick connect Steam outlet Cylinder Water coupling (Fig. 2) www.neptronic.com...
(Fig. 3) Electrical Requirements Weight kg (lb) Capacity Steam outlet Model with kg/hr diameter Voltage Current Power With mm (in) (lb/hr) Empty water (KW) SKR3E (6.6) (1-3/8") (36) (50) 3.75 SKR4E 12.2 (8.2) (1-3/8") (36) (50) SKR5E 16.1 (11.0) (1-3/8") (36) (50) www.neptronic.com...
Hang the SKR-SDU humidifier on the 2 upper 162 (6-3/8) screws. 50 (2) When the SKR-SDU humidifier is positioned on the 21 (53/64) screws, insert the lower screw. Then tighten all 489 (19-1/4) screws to secure the humidifier. 133 (5-1/4) www.neptronic.com...
A silicone tubing (steam hose) is inserted between the steam outlet of the evaporation chamber and the steam manifold assembly of the SDU module. Verify that the clamps are tight at both end of the silicone tubing to prevent leaks. www.neptronic.com...
Connect 15mm (1/2'') copper pipe to the 15mm (1/2'') braided hose (supplied). Hand tighten the swivel top 20mm (3/4'') fitting to the male threaded valve connection. IMPORTANT: Risk of damage to the valve, do not use wrench to tighten swivel. (Fig. 7) www.neptronic.com...
N o d ra in tra p re q u ire d (Fig. 8a) Correct installation M ain drain (evaporation cham ber) m ust be straight. D o n o t in stall elb o w . (Fig. 8b) Incorrect installation www.neptronic.com...
Install the supplied strain relief bushing at the bottom of the electrical compartment for of the supply cable. Terminal connection Ground connection Opening for Strain relief bushing for passage control cables of the electrical cable (Fig. 9) Left side view www.neptronic.com...
O Press ‘’DRAIN’’ push button to stop an on-going drain cycle. Drain mode is off. ''FAN'' Indicator (green) O The contact to activate the ventilation system fan is closed. The contact to activate the ventilation system fan is open. www.neptronic.com...
DS1: Dip switch #3 is not used. Note: Depending on the local water conditions, service of the humidifier may be required prior to the ''service required'' alarm setting (see section 14, Maintenance of the SKR Installation instructions & user manual). www.neptronic.com...
DS1: Dip switch #3 is not used. Note: Depending on the local water conditions, service of the humidifier may be required prior to the ''service required'' alarm setting (see section 14, Maintenance of the SKR Installation instructions & user manual). www.neptronic.com...
(Fig 13b) Dip switch setting DS1: Dip switch #3 is not used. Note: Depending on the local water conditions, service of the humidifier may be required prior to the ''service required'' alarm setting (see section 13, Maintenance). www.neptronic.com...
When the humidity level is below the set point, the humidifier will produce steam again. If there is no humidity demand for a period of more than 72 hours, the humidifier will drain the water from the evaporation chambers automatically and go into standby mode www.neptronic.com...
Caution: Risk of injury, latches are tight. It is recommended to use pliers or a screwdriver to unfasten the latches. b) Remove the cover from the evaporation chamber. c) Do not misplace the gasket located between the cover and the cylinder. www.neptronic.com...
The humidifier will go into a fill cycle; the ''FILL'' indicator will be on. d) If there is a humidity demand, the humidifier will produce steam 13.3. Maintenance of the SDU module The SDU module is maintenance free. No maintenance is required. www.neptronic.com...
SKR-3E / 4E / 5E SP SDUR-GRILL Silicone tubing SKR-3E / 4E / 5E SP 1026 SDU cabinet SKR-3E / 4E / 5E SP 9005 SDU cover SKR-3E / 4E / 5E SP 9004 SDU Grill support SKR-3E / 4E / 5E SP9005-6 www.neptronic.com...
Evaporation chamber cylinder SW SKRCONT-ASSY Evaporation chamber cover SKR-3E / 4E / 5E SP 9012-M Evaporation chamber gasket SKR-3E / 4E / 5E SP 9030 SKR3E SE 5991 Heating element SKR4E SE 5992 SKR5E SE 5993 Heating element gasket SKR-3E / 4E / 5E...
Check that the sensors are humidifier is button 5 flashes + pause level correctly interrupted clean. Check that the Neptronic Alarm. Wall humidity supplied cable is connected Automatic reset when the Sensor not detected or The power to the...
Drain the SKR and verify if maintenance is required coming out of the SDU steam the evaporation chamber. on the evaporation chamber. Obstruction of the ventilation openings Check if the ventilation openings are not blocked. manifold on the front cover of the SKR. www.neptronic.com...
Common Water HRR100 level Room humidistat Dip switches sensor Window sensor Alarm LED (Red) Fan LED (Green) Power LED (Green) Drain LED (Yellow) On/Off Push button Drain Push button Fill LED (Yellow) Steam LED (Green) Access panel (Fig. 15) www.neptronic.com...
Common Water 24 Vdc level Dip switches sensor Humidistat BMS system Alarm LED (Red) Fan LED (Green) Power LED (Green) Drain LED (Yellow) On/Off Push button Drain Push button Fill LED (Yellow) Steam LED (Green) Access panel (Fig. 16) www.neptronic.com...
0-10Vdc Control signal 2-10Vdc from humidistat or BMS 4-20mA Alarm LED (Red) Fan LED (Green) Power LED (Green) Drain LED (Yellow) On/Off Push button Drain Push button Fill LED (Yellow) Steam LED (Green) Access panel (Fig. 17a) www.neptronic.com...
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