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SKG3 Gas Fired Humidifier 

Installation Instructions and User Manual

 

 

26 

Stage 6 

– Combustion Air Installation 

Ducted 

Combustion Air 

Single Humidifier 

SKG3-110 to 210 

 

Ducted combustion air 1 module - Fig. 35 

(dimensions in bracket are in mm)

 

2 Modules 

Humidifier 

SKG3-265 to 405 

 

 

Ducted combustion air - Fig. 36 

(dimensions in bracket are in mm) 

 

C

o

m

b

u

s

ti

o

n

a

ir

Ø

2'’ (51) minimum

Humidifier
inlet Ø

2'’ (51)

Flue gas

es

Combust

ion air

from outs

ide

Flue ga

ses

Humidifier
inlet Ø

2'’ (51)

Ø

2'’ (51) minimum

1 to 2 outlet manifold
Ø

4'’ (100) minimum

All manuals and user guides at all-guides.com

Summary of Contents for SKG3 Series

Page 1: ...not try to light any appliance Do not touch any electrical switch and do not use telephones in your building Immediately call your gas supplier from an off site telephone Follow the gas supplier s ins...

Page 2: ...ning the provision of electrical installations are followed HEALTH SAFETY Neptronic has considered aspects of the design of their humidification systems to reduce as much as possible the risk of Legio...

Page 3: ...ions 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 w...

Page 4: ...l Supply and Installation 30 Stage 9 Electrical Control Connections 31 Stage 9 BACnet Interface Set up 34 Initial Verification 35 Commissioning Operation Description 37 Operation Display 38 Status Men...

Page 5: ...0 5 2 4 5 2 4 100 SKG3 350 2 N P 2 350 160 457 475 134 500 475 147 9 0 5 2 4 5 2 4 100 SKG3 405 2 N P 2 405 185 494 846 145 537 846 158 9 0 5 2 4 5 2 4 100 SKG3 505 3 N P 3 505 230 693 319 203 757 819...

Page 6: ...1 3 76 54 1372 24 610 22 560 9 230 18 460 320 145 444 200 SKG3 265 2 N P SKG3 310 2 N P SKG3 350 2 N P SKG3 405 2 N P 2 2 3 76 54 1372 48 1220 22 560 9 230 18 460 24 610 36 920 602 274 850 384 SKG3 50...

Page 7: ...N P SKG3 405 2 N P 2 1 40 15 NPT 15 1 NPT 25 4 100 SKG3 505 3 N P SKG3 560 3 N P SKG3 610 3 N P 3 1 40 15 NPT 15 1 NPT 40 5 125 SKG3 710 4 N P SKG3 765 4 N P SKG3 810 4 N P 4 1 40 15 NPT 15 1 NPT 40 5...

Page 8: ...m J K L M N O SKG3 110 1 N P SKG3 155 1 N P SKG3 180 1 N P SKG3 210 1 N P 1 1 2 51 17 6 448 13 8 352 SKG3 265 2 N P SKG3 310 2 N P SKG3 350 2 N P SKG3 405 2 N P 2 2 2 51 17 6 448 13 8 352 24 609 37 8...

Page 9: ...33 1 8 841 24 611 627 285 748 340 SKG3 265 2 N P SKG3 310 2 N P SKG3 350 2 N P SKG3 405 2 N P 2 73 1 2 1867 51 1 2 1308 33 1 8 841 24 611 1 038 472 1 280 582 SKG3 505 3 N P SKG3 560 3 N P SKG3 610 3 N...

Page 10: ...before lifting Lifting of SKG3 Steam Humidifier MUST ALWAYS be done using the appropriate Neptronic Lifting Bracket sold separately Lifting sling angle must be greater than 30 to the horizontal Optio...

Page 11: ...Humidifier and its associated components no special tooling is required above that of a fitter s toolkit Installation Method Statement Stage1 Unit Positioning and Mounting Stage 2 Steam Distribution I...

Page 12: ...close as possible to an outside wall or roof to ensure that the flue pipe from the humidifier is short and direct Locate the SKGE3 Steam Humidifier on a water proof floor or install a drain pan benea...

Page 13: ...e humidifier is designed to be installed directly on the floor Provide a level solid foundation for the humidifier Ensure that the floor beneath the humidifier is water proof to withstand any water sp...

Page 14: ...en using a rigid copper pipe insulation must be used to diminish condensation build up Min 7 Correct Installation Single module humidifier with Multisteam Static pressure 2 50 Steam distribution corre...

Page 15: ...either one of the sides of the humidifier By default the steam outlet will be on the right side of the humidifier when facing the control panel Steam outlet side can be switched to left upon request t...

Page 16: ...sary to either fit multiple pipes or use a Multi Steam system Horizontal duct 2 manifolds Fig 18 dimensions in bracket are in mm Horizontal duct 3 manifolds Fig 19 dimensions in bracket are in mm Vert...

Page 17: ...be connected to two 2 S A M E2 steam manifolds with a suitable reduction at the lowest point to allow a 15mm condensate drain from the main steam supply SKG3 155 180 210 Min 7 pipe slope 3 76 15 Steam...

Page 18: ...side 3 For installation of Multi Steam units please refer to Neptronic Multi Steam Installation Instructions Multi Steam in Horizontal duct Fig 24 dimensions in bracket are in mm Multi Steam in Verti...

Page 19: ...from the main steam supply SKG3 265 to 405 Steam pipe work 2 modules Multi Steam Fig 27 dimensions in bracket are in mm Two 3 76mm steam outlets to a single 4 108mm feed pipe must be connected to a si...

Page 20: ...be 22mm SKG3 710 to 810 Steam pipe work 4 modules Multi Steam Fig 29 dimensions in bracket are in mm Two 3 76mm steam outlets to a single 4 108mm feed pipe must be connected to a single Multi Steam w...

Page 21: ...ain must be checked for leaks Do not use soap solution or open flame on humidifier gas train A gas leak detector must be used All leaks MUST be sealed prior to commissioning the humidifier Gas Pipe Di...

Page 22: ...0psig 70 to 480kPa Minimum water temperature 49 F 4 C Maximum water temperature 104 F 40 C Model Water inlet Connection size SKG3 110 to 810 1 2 NPT 15mm Male Water Supply Line Installation To facilit...

Page 23: ...cted to drain pipe through separated line Drain connection Fig 32 Pan Drain Connection on Weather Proof Enclosure Weather proof enclosure is provided with a pan drain at the base of the SKG3 humidifie...

Page 24: ...ed for the ventilation devices in addition to that required by the humidifier Any installation work must be carried out by suitably qualified personnel With the exception of ducted combustion air inst...

Page 25: ...0 SKG3 505 3 N P 3 180 1080 180 1080 SKG3 560 3 N P 3 200 1200 200 1200 SKG3 610 3 N P 3 240 1440 240 1440 SKG3 710 4 N P 4 280 1680 280 1680 SKG3 765 4 N P 4 300 1800 300 1800 SKG3 810 4 N P 4 320 19...

Page 26: ...maximum of 6 elbows in total Use only duct materials suitable to supply air from the outside to the humidifier Combustion air duct length and flue gases venting pipe must not exceed 100ft 30m 10ft 3m...

Page 27: ...ustion air 1 module Fig 35 dimensions in bracket are in mm 2 Modules Humidifier SKG3 265 to 405 Ducted combustion air Fig 36 dimensions in bracket are in mm Combustion air 2 51 minimum Humidifier inle...

Page 28: ...t are in mm 4 Modules Humidifier SKG3 710 to 810 Ducted combustion air Fig 38 dimensions in bracket are in mm Combustion air from outside Flue gases Humidifier inlet 2 51 2 51 minimum 1 to 3 outlets m...

Page 29: ...lated in order to reduce the formation of condensate Approved BH vent systems Cheminee Lining HEP HEPL or HEPL2 rigid venting system Flexmaster Z Vent Model SVE Series III rigid venting system DuraVen...

Page 30: ...electric or gas meter regulator or relief device When flue gas terminal is located in car port in residential building Minimum spacing in mm Building or other element 8 200 Below car port ceiling 3 75...

Page 31: ...ct separation of at least 1 8 3mm Electrical connection All work related to electrical installation MUST only be performed by skilled and qualified technical personnel e g electrician or technicians w...

Page 32: ...layed A third interlock switch can be wired between terminals TB1 2 5 If this contact is open operation of humidifier will stop and an Alarm message will be displayed TB1 Interlock and control signal...

Page 33: ...4 5 6 7 8 9 1 2 3 4 5 6 1 2 3 R R LAST ANLG OUT 1 2 3 4 5 X 6 7 8 9 DUCT HUMID ROOM HUMID CTRL DEMAND INTER LOCK PD SW ITCH HI LIM 24 VAC 700MA MAX TB1 TB2 JP2 JP1 DS1 O N P1 RS 232 A B TB3 RS 485 CO...

Page 34: ...with a switching current of no more than 3 A Operation Alarm contact wiring Fig 46 Common 24 VAC RH Control Signal H R O 2 0 Common 24 VAC RH S H C 8 0 1 3 2 4 5 6 7 8 9 1 2 3 4 5 6 1 2 3 R R LAST ANL...

Page 35: ...d rate Switch 2 Switch 3 9600 OFF OFF 19200 ON OFF 38400 OFF ON 76800 factory setting ON ON See also the BACnet communication module user guide supplied 1 3 2 4 5 6 7 8 9 1 2 3 4 5 6 ANLG OUT 1 2 3 4...

Page 36: ...N check for leaks gas smell or hissing sounds Flue Gases Venting 10 Verify the flue gases venting as follows a A tee is installed with a drain tee cap for the condensate b Check that all connections a...

Page 37: ...humidifier will require 5 to 10 minutes to produce steam The Humidifier LCD display will indicate water temperature and flue gases temperature g During normal operation while steam is produced the wa...

Page 38: ...t up 4 Alarms 5 Diagnostics 6 Com Set up Use the or buttons to scroll up or down and access a menu by pressing the button Within a menu press on the or buttons to pass from one screen to another The i...

Page 39: ...maining water in order to prevent growth of bacteria Upon new humidity demand evaporation chamber s will fill up with fresh water and produce steam INPUT SUPPLY TOO LOW Voltage supply is below the min...

Page 40: ...e is indicated in 100 indicate that the evaporation chamber is full of water During normal operation the value can fluctuate between 95 and 105 Water Temperature Displays the water temperature inside...

Page 41: ...o 10 V Or 4 to 20 mA Room RH Source Selection of room relative humidity source External Com Port Humidity Input Setup Selection of humidity input Voltage or Amp From 0 to 10 V or 2 to 10 V Or 4 to 20...

Page 42: ...ontrol gain values KP from 0 to 100 KI from 0 to 100 KD from 0 to 100 Tank Operation Selection of tank operation when SKG3 humidifier has more than one module For optimum humidity control it is recomm...

Page 43: ...50 to 90 C or OFF Increment 5 C Default OFF Anti Freeze Temperature Selection of evaporation chamber anti freeze temperature If enabled combustion will be ordered to maintain water temperature betwee...

Page 44: ...ve number From 140 to 180 Increment 1 Default 160 Language Selection Selection of the language displayed by interactive menus English or Fran ais Default English Time Date Setup Reset of the internal...

Page 45: ...cated in Hours Alarms for Unit 1 Displays alarm s message s for module 1 whenever necessary Alarms for Unit 2 Displays alarm s message s for module 2 whenever necessary Alarms for Unit 3 Displays alar...

Page 46: ...e water This alarm will reset automatically when the water temperature reaches the proper value Water Temp too high Water temperature is above the pre set maximum value humidifier will shut off and co...

Page 47: ...odule Value is indicated in Hz DIAGNOSTICS 504 Burner Gas Valve H1 OFF H2 OFF H3 OFF H4 OFF Burner Gas Valve Displays the state of the burner gas valve Value indicated is On or Off Foaming Probe Displ...

Page 48: ...onfiguration mode see the Stage 9 BACnet Interface Set up section of the manual From 0 to 255 Increment 1 Default 0 Device Instance Selection of device instance value This value is locked in order to...

Page 49: ...SKG3 Gas Fired Humidifier Installation Instructions and User Manual 48 Personal Notes All manuals and user guides at all guides com...

Page 50: ...ll models SP 3308 230 24Vac 100VA All models SP 3310 9 Combustion blower gas valve assembly See detail 10 Combustion blower gasket All models SP G2104 11 Igniter holder assembly See detail 12 Igniter...

Page 51: ...urner assembly See combustion component detail table 28 Burner assembly gasket All models SP G2111 29 Water temperature sensor All models SW GWATTEMP ASSY 30 AFEC probe All models SW GAFECPROBE ASSY 3...

Page 52: ...ly Fig 53 Combustion component detail table Item Description Part number by Module type Module SKG 100 Module SKG 150 Module SKG 180 Module SKG 200 26 Heat Exchanger SW GTANKCOVER175 SW GTANKCOVER175...

Page 53: ...230 Item 14 Internal flue pipe SKG3 505 to 810 Flue pipe assembly Fig 55 Item Description Model Part number 47 Flue section SKG3 505 to 810 SP G2201 48 Flue breech pipe gasket All models SP G2107 49...

Page 54: ...ded Views Parts List Water level sensor assembly Water level sensor assembly Fig 56 Item Description Model Part number 53 Water level sensor assembly All models SW GWATLEV ASSY 54 Water level sensor A...

Page 55: ...KG3 110 1 N P 1 x1 SKG3 155 1 N P 1 x1 SKG3 180 1 N P 1 x1 SKG3 210 1 N P 1 x1 SKG3 265 2 N P 2 x1 x1 SKG3 310 2 N P 2 x2 SKG3 350 2 N P 2 x1 x1 SKG3 405 2 N P 2 x2 SKG3 505 3 N P 3 x1 x1 x1 SKG3 560...

Page 56: ...ww neptronic com Toll free in North America 1 800 361 2308 Tel 514 333 1433 Fax 514 333 3163 Customer service fax 514 333 1091 Monday to Friday 8 00am to 5 00pm Eastern time All manuals and user guide...

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