Neptronic SKE4-E05 Manual

SKE4-E-ESA-171129
Steam Humidifier
SKE4-E Series
Installation Instructions and User Manual
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SKE4-E Steam Humidifier
Installation Instructions and User Manual
www.neptronic.com
Page | i
Foreword
Neptronic Company Overview
Founded in 1976, we’re a private corporation that designs, manufactures and distributes products for
the HVAC industry. Our product line includes intelligent controllers, electronic actuators, actuated
valves, humidifiers and electric heaters.
Our products are designed and manufactured by over 250 dedicated employees in our 7,500 m2
(80,000 ft2) state-of-the-art facility located in Montreal, Canada. Using a vertical integration model, our
entire manufacturing chain is under one roof, from software and hardware development, to SMT
circuit board assembly, to sheet metal fabrication, to product testing, ensuring that our products are
engineered to last.
We currently hold several national and international patents and with our continued commitment to
research and development, we provide innovative products and technologies for the ever-evolving
challenges of the HVAC industry. Exporting over 70% of our sales, we have an exclusive distribution
network around the globe that provides comprehensive solutions to our worldwide customers.
About the Manual
These installation and operation instructions have been developed to facilitate the installation of the
Steam Humidifier.
The strict application of these instructions will ensure the conformity of your installation
and operation as per the manufacturer's recommendations.
The application of these instructions is one of the conditions for the application of the
warranty.
The application of these instructions does not ensure, at any time conformity to
procedures, regulation or local codes, regarding electric installation and connection to
local water supply.
This product has been declared to conform to applicable European safety and electromagnetic
compatibility standards and directives and bear the CE mark. The certificate of conformity CE is
available upon request to the manufacturer.
2017©: All rights reserved. This document cannot be reproduced totally or partially by any means
whether, electronic, mechanical, photocopy, recording or other, without prior written authorization of
Neptronic.
Electricity
All work concerned with electrical installation MUST only be performed by skilled and
qualified technical personnel, such as an electrician or a technician with appropriate
training. The customer is always responsible for ensuring the suitability of the
technical personnel.
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.
General Warranty
This product is subject to the terms and conditions described at http://www.neptronic.com/Sales-
Conditions.aspx.

SKE4-E Steam Humidifier
Installation Instructions and User Manual
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Page | ii
Handling and Lifting
Lifting or handling MUST be carried out by trained and qualified personnel. Ensure that
the lifting operation has been properly planned, assessed for risk and that the
equipment has been checked by a competent Health & Safety representative, and
effective control measures are in place.
It is the customer’s responsibility to ensure that the operators are trained in handling
heavy goods and to enforce the relevant lifting regulations.
The Steam Humidifier MUST be handled and lifted with care at all times and remain in
its original packaging for as long as possible, prior to installation.
The Steam Humidifier package may be carried using a forklift from the underside.
Exercise caution before lifting to ensure that the load is balanced.
Unpacking
The Steam Humidifier is shipped inside carton boxes or in a wooden crate. Remove packing and
skids prior to commissioning. Contents
Handling and Lifting............................................................................................................................. ii
Overview .................................................................................................................................................4
List of Accessories Supplied................................................................................................................4
Available Options.................................................................................................................................4
Description of Systems........................................................................................................................4
Visual Overview...................................................................................................................................5
Standard Humidifier Unit .....................................................................................................................6
Dimensions and Weight...................................................................................................................6
Humidifier with Space Distribution Unit ...............................................................................................7
Humidifier with Space Distribution Unit - Dimensions and Weight..................................................7
Weather Proof Enclosure ....................................................................................................................8
Weather Proof Enclosure - Dimensions and Weight.......................................................................8
Output and Power Consumption - Humidifier......................................................................................9
Mechanical Installation..........................................................................................................................10
General Recommendations...............................................................................................................10
Location .........................................................................................................................................10
Positioning .....................................................................................................................................11
Wall Mounting ................................................................................................................................12
Positioning - Humidifier with SDU .....................................................................................................15
Maintenance of the SDU................................................................................................................15
Positioning and Mounting - Weather Proof Enclosure Unit...............................................................16
General Recommendations...........................................................................................................16
Steam Dispersion System.................................................................................................................17
Steam Dispersion System Selection..............................................................................................17
Positioning S.A.M. and S.A.M.E2 ..................................................................................................19

SKE4-E Steam Humidifier
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Page | iii
Placement of Steam Pipe in Horizontal Duct.................................................................................20
Placement of Steam Pipe in Vertical Duct.....................................................................................21
Steam Output Connections...................................................................................................................22
Installation..........................................................................................................................................22
General Recommendations...............................................................................................................22
S Trap Installation on the Steam Line............................................................................................23
Position of Steam Outputs.................................................................................................................24
Remote Installation - Humidifier with SDU........................................................................................25
Plumbing Connections ..........................................................................................................................26
Water Supply Connections................................................................................................................28
Water Drain Connections ..................................................................................................................29
Weather Proof Enclosure Plumbing Connection...............................................................................29
Water Drain Valve..........................................................................................................................30
Electrical Connections...........................................................................................................................31
Low Voltage Control Connections.....................................................................................................32
Printed Circuit Board......................................................................................................................32
Safety Contact Connections ..........................................................................................................33
Dry Contacts ..................................................................................................................................33
ON/OFF Humidifier........................................................................................................................34
Modulating Humidifier....................................................................................................................35
Network Communication................................................................................................................37
Controls Placement (Steam Dispersed into a Duct or AHU).........................................................38
Controller Configuration........................................................................................................................39
Control Panel Features......................................................................................................................39
Idle Screen ........................................................................................................................................40
Menu Access.....................................................................................................................................40
Menu Navigation and Configuration..................................................................................................41
Menu - General..............................................................................................................................42
Menu - User ...................................................................................................................................44
Menu - Service...............................................................................................................................44
Menu - Installation..........................................................................................................................45
Menu - Integration..........................................................................................................................47
List of Alarms.....................................................................................................................................49
Start-up Procedure................................................................................................................................50
Initial Verification ...............................................................................................................................50
Start-Up .............................................................................................................................................51
Service ..................................................................................................................................................52
Cleaning the Evaporation Chamber ..................................................................................................52
Troubleshooting ....................................................................................................................................56
Notes.....................................................................................................................................................57

SKE4-E Steam Humidifier
Installation Instructions and User Manual
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Page | - 4 -
Overview
List of Accessories Supplied
The following accessories are supplied with the SKE4 Steam Humidifier:
2 sets of keys.
2 adjustable collars per steam outlet for the connection of the steam hose.
1 hydraulic female compression fitting DN20 for the drain output of the evaporation
chamber.
1 hydraulic female elbow fitting DN15 for the drain output of the drip pan.
1 NPT fitting DN8 or DN15 and a braided hose for the water supply connection.
2 brackets and screws for wall mounting the humidifier (models SKE4-E05 to SKE4-E80
only).
1 Installation Instructions and User Manual.
Available Options
The following options are available when purchasing a SKE4 humidifier:
Modulating control humidifier (Suffix M, i.e. SKE4-E20M)
Humidifier for a system supplied with Deionized water or Reverse Osmosis water, having
more than 0.0625 ppm of dissolved solids (Suffix D)
Space Distribution Unit mounted on humidifier (SDU) or remotely installed (SDU-REM)
Weather proof enclosure (Suffix W)
BACnet Network Communication System (Suffix B)
Ethernet (IP) option (Suffix E)
Stainless steel humidifier cabinet (Suffix P)
Description of Systems
System
Description
Evaporation Chamber
Removable metallic container in which steam is produced. It is the
most important part of the humidifier.
Space Distribution Unit
(SDU)
Integrated steam distribution unit to humidify air when there is no duct
system. Optional feature available for certain humidifier models.
Multi-Steam System
Custom made system for steam distribution. This system is designed
for applications where absorption distances are very short (less than
900 mm).
Steam Absorption Manifold
(S.A.M.)
Steam manifold adapted to air duct size. Allows steam absorption for
relatively short distance applications (less than 1500 mm).
Steam Absorption Manifold
with 2 Eyelets (S.A.M.E2)
Steam manifold with two eyelets, adapted for applications with
restricted air duct dimensions. Allows steam absorption for relatively
short distance applications (less than 1500 mm).

SKE4-E Steam Humidifier
Installation Instructions and User Manual
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Page | - 5 -
Visual Overview
Illustration 1 - Overview of the Humidifier (Left Side)
Illustration 2 - Overview of the Humidifier (Right Side)

SKE4-E Steam Humidifier
Installation Instructions and User Manual
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Page | - 6 -
Standard Humidifier Unit
Illustration 3 - SKE4 Steam Humidifier
Dimensions and Weight
Table 1 - Dimensions and Weight
Model
Dimensions of the Cabinet (mm)
A
B
C
Weight (kg)
Empty
Full
SKE4-E05
584
492
349
25
32
SKE4-E10
SKE4-E20
SKE4-E30
SKE4-E40
813
565
384
45
66
SKE4-E50
SKE4-E60
SKE4-E80
813
845
384
68
109
SKE4-E90
SKE4-E100
SKE4-E110
SKE4-E120
1221
838
635
145
200

SKE4-E Steam Humidifier
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Page | - 7 -
Humidifier with Space Distribution Unit
Illustration 4 - Steam Humidifier with Space Distribution Unit
Humidifier with Space Distribution Unit - Dimensions and Weight
Table 2 - Dimensions and Weight of SDU
Model
Dimensions of the Cabinet (mm)
SDU
(kg)
A
B
C
D
E
Weight (kg)
Empty
Full
SKE4-E05
584
492
349
171
755
32
39
SDU-1
7
SKE4-E10
SKE4-E20
813
565
384
197
1010
54
75
SDU-2
9
SKE4-E30
SKE4-E40
813
565
384
289
1102
59
79
SDU-3
14

SKE4-E Steam Humidifier
Installation Instructions and User Manual
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Page | - 8 -
Weather Proof Enclosure
Steam Outlet
Main Drain ¾” (DN20)
Pan Drain ¾” (DN20)
Power Supply
(Knockout Hole)
Electrical Control
(Knockout Hole)
Heat Sinks
(for Modulating
Units only)
Alphanumeric
Display Window
A
B
C
Illustration 5 - Weather Proof Enclosure
Weather Proof Enclosure - Dimensions and Weight
Table 3 - Weather Proof Enclosure: Dimensions and Weight
Model
Dimensions of the Cabinet (mm)
A
B
C
Weight (kg)
Empty
Full
SKE4-E05
927
658
376
45
52
SKE4-E10
SKE4-E20
SKE4-E30
SKE4-E40
1045
757
384
59
80
SKE4-E50
SKE4-E60
SKE4-E80
1045
1036
384
89
129
SKE4-E90
SKE4-E100
SKE4-E110
SKE4-E120
1417
965
727
184
240

SKE4-E Steam Humidifier
Installation Instructions and User Manual
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Page | - 9 -
Output and Power Consumption - Humidifier
Table 4 - Output and Power Consumption
Model
Steam
Consumption
Steam Output
Capacity
(kg/hr)
Power
(kW)
Amperage (A)
Qty
Diameter
(mm)
230/1
400/3
SKE4-E05
5
3.7
16
5.5
1
35
SKE4-E10
10
7.5
33
11
1
35
SKE4-E20
20
15
-
22
1
35
SKE4-E30
30
22
-
33
1
54
SKE4-E40
40
30
-
44
1
54
SKE4-E50
50
36
-
53
1
76
SKE4-E60
60
44
-
64
1
76
SKE4-E80
80
60
-
87
1
76
SKE4-E90
90
66
-
96
1
76
SKE4-E100
100
74
-
107
1
76
SKE4-E110
110
82
-
119
2
76
SKE4-E120
120
90
-
130
2
76
WARNING: For Modulating Humidifier, maintain the maximum power of the
electrical installations according to the information in Table 4 - Output and Power
Consumption.
Do not consider a possible reduction of steam output due to modulation.

SKE4-E Steam Humidifier
Installation Instructions and User Manual
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Page | - 10 -
Mechanical Installation
General Recommendations
WARNING: Risk of electric shock. Disconnect the appliance from electric supply before
commencing installation.
Note: Mechanical installation must conform to local codes and regulations.
Location
WARNING: The SKE4 series is designed for indoor installation only.
For outdoor installation, the SKE4 must be installed using a Neptronic weather proof
enclosure (see
Positioning and Mounting - Weather Proof Enclosure Unit on page 16).
Failure to follow these guidelines will void the warranty.
Consider the following points before deciding the location for the SKE4 Steam Humidifier:
Plan a location that is easy to access and permits an easy inspection and servicing of the
humidifier.
Do not install the humidifier where failure of the appliance could cause damage to the
building structure or to other expensive equipment.
Ensure that the location is well ventilated and that the ambient temperature is less than
30°C.
Consider the total steam line length between the humidifier and the steam distributor
based on the steam line material type:
oFor flexiblesteam hose, total steam line must not exceed 5 meters. For longer
distances, use insulated hard piping.
oFor insulated hard piping, the total steam line is determined by the humidifier
capacity: 0.67m for each kg/hr capacity of the humidifier, with a maximum of 15 m.
For longer steam line runs, consult factory.

SKE4-E Steam Humidifier
Installation Instructions and User Manual
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Page | - 11 -
Positioning
Ensure that the front panel, the left side (plumbing compartment) and the right side
(electrical compartment) are accessible in order to permit servicing.
Leave a clearance of at least 1.2 m to the front panel and 0.3 m on the left and right sides
of the humidifier.
Leave a clearance of at least 0.5 m on top of the humidifier.
For models SKE4-E05 to SKE4-E80:
oMount the humidifier at a minimum height of 0.6 m above floor level.
oLeave a clearance of at least 0.25 m under the humidifier for installation of water
supply, drain piping and electrical connections.
For models SKE4-E90 to SKE4-E120:
oThese models are designed to be installed directly on the floor. Adjustable legs
are provided in order to ensure proper level.
oProvide a level, solid foundation and ensure that the floor beneath the humidifier
is water proof to withstand any water spillage during servicing or in the event of a
problem.
Illustration 6 - Positioning the Humidifier

SKE4-E Steam Humidifier
Installation Instructions and User Manual
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Page | - 12 -
Wall Mounting
CAUTION: Risk of malfunction. The humidifier must be placed at an equal level.
CAUTION: Risk of overheating. Do not block the ventilation openings located on
the cabinet.
Before proceeding, check the strength of the chosen support or wall (brick, concrete, stud partition
wall) on which the humidifier will be mounted. See the Dimensions and Weight section (page 6) to
know the weight of the unit.
Illustration 7 - Mounting Bracket Positioning
Table 5 - Positioning Lines of Mounting Brackets
Model
Dimensions (mm)
A
B
C
D
E
SKE4-E05
584
492
467
467
22
SKE4-E10
SKE4-E20
SKE4-E30
SKE4-E40
813
565
540
540
22
SKE4-E50
SKE4-E60
SKE4-E80
813
845
718
540
22
Note: Models SKE4-E90 to SKE4-E120 cannot be wall mounted and must be properly
secured to the ground using the adjustable legs.

SKE4-E Steam Humidifier
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Page | - 13 -
To wall mount the humidifier, perform the following steps:
1. Place the top bracket (supplied) on the support or wall as per the dimensions specified in
Table 5 - Positioning Lines of Mounting Brackets.
2. Drill 4 screws (supplied) into the slotted holes of the top bracket, to secure the bracket to
the support or wall.
3. Place the bottom bracket (supplied) on the support or wall as per the dimensions
specified in Table 5 - Positioning Lines of Mounting Brackets.
4. Drill 4 screws (supplied) into the slotted holes of the bottom bracket, to secure the bracket
to the support or wall.
Illustration 8 - Mounting Bracket Attachment

SKE4-E Steam Humidifier
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Page | - 14 -
5. Secure the humidifier to the top bracket, by placing the back inserts into the open slots
located on the edge of the center of the top bracket.
Illustration 9 - Top Mounting Bracket Connection
6. Open the front door of the humidifier to gain access to the slotted holes located in the
back of the cabinet. Verify that the holes are aligned with the ones located in the center of
the bottom bracket.
7. From inside the humidifier, drill 2 (models SKE4-E05 to E40) or 4 (models SKE4-E50 to
E80) screws (supplied) into the center of the bottom bracket, in order to secure the
humidifier to the support or wall.
Illustration 10 - Bottom Mounting Bracket Connection

SKE4-E Steam Humidifier
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Page | - 15 -
Positioning - Humidifier with SDU
The SDU must be installed in an environment where the air is relatively clean. This will
prevent the blower from getting clogged with dust.
The humidifier must be mounted such that the SDU fan section is at least 2 m above the
floor.
Allocate a minimum clearance of 0.45 m from the ceiling to avoid ceiling and wall
condensation.
If additional ventilation is not present, ensure that the fan has a clearance of at least 1.35
m from the ceiling. Proper ventilation must be observed to avoid ceiling and wall
condensation.
Illustration 11 - SDU mounted on Humidifier
Maintenance of the SDU
Clean the blower if there is an accumulation of dust.

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Page | - 16 -
Positioning and Mounting - Weather Proof
Enclosure Unit
12" (30cm)
minimum
42" (107cm)
minimum
12" (30cm)
minimum
20" (51cm)
minimum
Illustration 12 - Weather Proof Enclosure Unit
General Recommendations
Plan a location that is easy to access and permits an easy inspection and servicing of the
humidifier.
Do not install the humidifier where failure of the appliance could cause damage to the
building structure or to other expensive equipment.
Maintain the following minimum clearances while installing to enable access for
inspection and servicing.
Side
Minimum Clearance
Top
51 cm
Both sides
30 cm
Front
107 cm
The humidifier is designed to be installed directly on the floor/roof or a curb.
Provide a level, solid foundation for the humidifier.
Ensure that the floor/roof beneath the humidifier is water proof to withstand any water
spillage during servicing or if a problem occurs.
Attach the SKE4 enclosure securely and safely.

SKE4-E Steam Humidifier
Installation Instructions and User Manual
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Page | - 17 -
Steam Dispersion System
Steam Dispersion System Selection
In order to prevent the accumulation of condensation in air ducts, Neptronic has designed four basic
configurations of steam distribution systems to provide the most economical solution for any particular
application.
Steam Absorption Manifold (S.A.M.) Horizontal Duct
The S.A.M. system is suitable for installations where absorption distances are short, less than 1500
mm, and/or low duct temperatures are in effect.
Illustration 13 - Steam Absorption Manifold (S.A.M) Horizontal Duct
Steam Absorption Manifold (S.A.M.E2) Horizontal Duct
The S.A.M.E2 system is suitable for installations where absorption distances are short, less than 1500
mm, and/or low duct temperatures are in effect. S.A.M.E2 are used in applications with restricted duct
dimensions.
Illustration 14 - Steam Absorption Manifold (S.A.M.E2) Horizontal Duct
air
900
air

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Page | - 18 -
Steam Absorption Manifold (S.A.M. or S.A.M.E2) Vertical Duct
S.A.M. or S.A.M.E2 systems for vertical ducts are used when the absorption distances are normal and
the requirement is for an economical and efficient solution.
Illustration 15 - Steam Absorption Manifold (S.A.M. or S.A.M.E2) Vertical Duct
Multi-Steam System
The Multi-Steam system is used in critical locations in air handling systems, particularly where
absorption distances are very short, less than 900 mm, or where low air duct temperatures are
present. The Multi-Steam is custom made to the dimensions of the duct or AHU.
Instructions to install the Multi-Steam system are described in a specific installation instructions
manual enclosed with the Multi-Steam system.
Illustration 16 - Multi Steam System
S.A.M.
S.A.M.E2.
45°
45° 45°
air
air
air

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Page | - 19 -
Positioning S.A.M. and S.A.M.E2
Duct Mounting
The steam manifold must be mounted and secured through the side of the air handling unit or duct.
Ensure that provisions are made for safe accessibility, ideally with an observation light and window.
Ensure that the construction of the duct wall is suitable enough to support the steam pipe for the
duration of the installation life.
The dimension of the hole size in the duct must be as follows:
Steam Manifold Ø
Hole Size ØA
35 mm
51 mm
54 mm
76 mm
Illustration 17 - Duct Hole Dimensions and Minimum Distance
WARNING: Risk of condensation. Ensure that the minimum distance at the end of
the manifold is at least 102 mm from the top of the duct.
Recommendation for S.A.M. Distribution Pipes
Table 6 - Recommendation for S.A.M. Distribution Pipes
Model
Max
Capacity
Distribution Pipes
Max Static
Pressure
(Pa)
kg/hr
Qty
Diameter
(mm)
Min
Length
(mm)
Max
Length
(mm)
SKE4-E05
5
1
35
300
600
1245
SKE4-E10
10
600
1200
SKE4-E20
20
SKE4-E30
30
54
SKE4-E40
40
SKE4-E50
50
2
800
1600
SKE4-E60
60
SKE4-E80
80
3
For higher static pressure, contact the manufacturer.
Note: A steam header having an inlet of 76 mm and two or three outlets of 54 mm is
required when using S.A.M. steam manifolds for models SKE4-E50 to SKE4-E80
(purchased seperately).
5'’
(120mm)
5'’
(120mm)
ØA
4'’ minimum
(102mm)