neptronic SKG4-N Series Gas Fired Humidifier Instruction Manual

June 9, 2024
neptronic

neptronic -logo Gas Fired Humidifier
SKG4-N Series
Installation Instructions and User Manual

neptronic SKG4 N Series Gas Fired Humidifier-


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Exploded View and Bill of Material

General

neptronic SKG4 N Series Gas Fired Humidifier-fig1

Item| Description| Model| __**Part Number**

SPG6005-1

---|---|---|---
1| Front door assembly| All models
2| Front panel| Master (1st) module| SPG6005-2

SPG6005-5

SPG6005-4

Slave module(s)
3| Front panel box| All models
4| Water level sensor assembly| All models| SWSKG4WATLEVSENS
5| Display| All models| SWSKG4DISPLAY-AS
6| Slave PCB| All indoor models| NWSKG4SLAVESS

NWSKG4SLAVEWSS

SPG2001

All outdoor models
7| Ignition control| All models
8| Igniter holder gasket| All models| SPG2103
9| Top front right cover| All models| SPG6005-15
10| Top front left cover| All models| SPG6005-9
11| Top back cover| All models| SPG6005-10
12| Top front left cover (direct combustion air option)| All models| SPG6005-14
13| Top front right cover (direct combustion air option)| All models| SPG6005-16
14| Combustion blower gasket| All models| SPG2104
15|

Transformer

| All models – 120V| SP3380

SP3308

SP3310

NWSKG4CONNECTSS

All models – 208V
All models – 240V
16| Control PCB| All models
17| Main PCB| All indoor models| SWSKG4MAINSS

NWSKG4MAINWSS

SPG4101

All outdoor models
18| Drain pump| All models
19| Fill valve| All models| SP6009
20| Drain valve| All indoor models| SP4233-59

SP6016

SWGLIFT-ASSY

All outdoor models
21| Lifting mechanism| All models
22| Air filter| All models| SPG4203
| Air pressure switch| All models| SPG2123
| Ambient temperature sensor| All outdoor models| NP242010010

Evaporation Chamber Assembly

neptronic SKG4 N Series Gas Fired Humidifier-fig2

Item Description Model Part Number
23 Quick release drain connector (female) All models SP4233-11
24 Quick release drain connector (male) All models SP4233-12
25 Silicone hose All models SP1023B
26 High temperature limit switch All models SP3036
27 Foam sensor (AFEC) All models SWGAFECPROBE-ASS
28 Water temperature sensor All models SW G4WATTEMP-ASSY
29 Burner assembly gasket All models SPG2122
30

Burner assembly*

| Module SKG100| SWSKG4BURN100

SWSKG4BURN150 SWSKG4BURN200

Module SKG150/180
Module SKG200
31| Heat exchanger*| Module SKG100/150| SWG4TANKCOVER175

SWG4TANKCOVER200

Module SKG180/200
32| Band clamp| All models| SW GCLAMP-ASSY
33| Evaporation chamber gasket| All models| SWG2101
34| Evaporation chamber| All models| SPG3208

Note (*): Refer to the Multiple Module Composition section in order to obtain the appropriate module number for each SKG4 model.

Combustion Blower and Gas Valve Assembly

neptronic SKG4 N Series Gas Fired Humidifier-fig3

Item Description Model Part Number
35 Venturi* Module SKG100 SPG2011-03

SPG2011-01 SPG2011

Module SKG150/180
Module SKG200
36| Gas valve gasket| All models| SPG2008
37| Gas valve| All models| SPG2010
38| Venturi gasket| All models| SPG2116
39| Combustion blower| All models – 120V| SPG2017-120

SPG2017-230

All models – 208V/240V

Note (*): Refer to the Multiple Module Composition section in order to obtain the appropriate module number for each SKG4 model.

Igniter Assembly

neptronic SKG4 N Series Gas Fired Humidifier-fig4

Item Description Model Part Number
40 Igniter holder All models SWGIGNHOLD-H
41

Igniter

| All models – 120V| SWGIGNITER-120
All models – 208V/240V| SWGIGNITER-230

Internal Flue Pipe Assembly

neptronic SKG4 N Series Gas Fired Humidifier-fig5

Item Description Model Part Number
42 Flue temperature sensor All models SWG2210-ASSY
43 Flue pipe gasket All models SPG6008-5

Water Level Sensor Assembly (Item 4)

neptronic SKG4 N Series Gas Fired Humidifier-fig6

Item Description Model Part Number
44 Water level sensor head assembly All models SWSK4WLTR2-HEAD
45 Water level sensor gasket All models SP4235-14
46 Float switch All models SP3600

SKG4-N-ESL-220930 (V2.04)

Documents / Resources

| neptronic SKG4-N Series Gas Fired Humidifier [pdf] Instruction Manual
SKG4-N Series, Gas Fired Humidifier, SKG4-N Series Gas Fired Humidifier, Humidifier
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References

Read User Manual Online (PDF format)

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