General Air Products NGP-WM300 User manual

Wall Mount
Nitrogen Generators
NGP-WM/ NGP-WM
Installation, Operation
and Maintenance Manual
Call 1-800-345-8207
or visit our web site for our complete product listing
www.GeneralAirProducts.com 01
RV: 0
Licensed for use under U.S. Patents 9,144,700, 9,186,533, and 9,610,466

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1-800-345-8207

1-800-345-8207
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Table of Contents
IMPORTANT: ALL INFORMATION SUBJECT TO CHANGE WITHOUT NOTICE.
Consult factory for the most up to date version of this manual - 1-800-345-8207.
If there are any questions regarding installation, operation, or maintenance of this Nitrogen Generator,
please call 1-800-345-8207
Safety & Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Section 1
System Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Section 2
Before Going To The Job Site . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Section 3
Uncrating and Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Section 4
Installation of Nitrogen Generator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Section 5
Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Section 6
Standard Air Filling Method . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Section 7
Nitrogen Filling Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Section 8
Nitrogen Control Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Section 9
Alarms/Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Section 10
Nitrogen Generator Leak Check Method . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Section 11
Nitrogen Membrane Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Section 12
Sprinkler System Leak Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Section 13
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Section 14
Normal Operating Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Section 15
Nitrogen Analyzer Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Section 16
Wiring Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Section 17
Technical Specifications and Drawings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Section 18
Warranty Policy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Section 19

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Section 1 - Safety & Warnings
his anal contains saet inoration that is iortant to no an nerstan. his inoration is rovie or the
saet o installers oerators an sers o the itrogen Generator. o hel recognie this inoration observe the
olloing sbols.
anger inicates an iinentl haaros sitation hich i not avoie W reslt in eath or serios inr.
Warning inicates a otentiall haaros sitation hich i not avoie  reslt in eath or serios inr.
ation inicates a otentiall haaros sitation hich i not avoie  reslt in inor or oerate inr.
otice inicates iortant inoration that i not olloe a case aage to eient or roert.
Important Notice to Users
he nstallation an ners anal slie ith each nit st be rea thoroghl an coletel nerstoo beore
installation an oeration o the itrogen Generator. ll aroriate saet stanars or hanling o gases as eterine b
local or national las an reglations shol be olloe at all ties.
Unpacking
ter nacing nit carell insect all arts an eient or an aage that a have occrre ring transit.
ae sre to tighten ittings bolts etc. beore tting nit into service.
General Safety Information
ortant: Rea all o the saet inoration in this anal beore oerating this eient. se o the eient in a
anner not seciie ithin this anal a iair the rotection rovie b the generator an col reslt in an
nlannerelease o ressre hich a case serios inr or aage. nl coetent ersonnel ho have been
traine aliie  arove b General ir rocts shol eror coissioning servicing an reair roceres.
5
When hanling installing or oerating this eient ersonnel st elo sae engineering ractices an observe all
relate local reglations health an saet roceres an legal reireents or saet.
nsre that the eient is eressrie an electricall isolate beore carring ot an o the schele
aintenanceinstrctions seciie in this anal.
DANGER
WARNING
CA TION
NOTICE
o not oerate i aage occrre ring shiing hanling
or se. ontact General ir rocts ieiatel.
WARNING

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he arnings in this anal cover the ost non otential haars bt b einition cannot be allinclsive.  the ser e
los an oerating rocere ite o eient or a etho o oring that is not seciicall recoene b General ir
rocts the ser st ensre that the eient ill not be aage or becoe haaros to ersons or roert.
itrogen is not a oisonos gas. oever in a concentrate or there is a ris o ashiation. he generator roces
a lo o nitrogen an ogen enriche air hich icl iserses in the atoshere. oever o not irectl inhale the
ott gas ro the otlet ie.
he generator is classiie as nonhaaros or transortation roses an as nonlaable or ire reglations. his
eient is or inoor se onl. o not oerate otoors.
eciic roceres st be eveloe or aintenance o the eient on hich the ebrane searator is locate.
roriate labels st be continosl islae in all areas here ersonnel ight be eose to a nitrogen atos
here ner noral or set conition.
WARNING
eration o the nitrogen ebrane searator above the
rate esign ressre a be haaros. o not connect it
to coresse air sorces that can ecee its ai
rate ressre ithot installing aroriate ressre
controls an saet relie evices in the coresse air
sl line.
NOTICE
o not attet to isasseble the nitrogen ebrane
searator. ient aage a occr an case the
sste to nction incorrectl.

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Section 2 - System Overview
he itrogen Generator oerates sing ebrane technolog. he saller ogen an ater vaor olecles can ass
throgh ereate the ebrane icl. he larger nitrogen olecles are less liel to ise throgh the searator
tbes thereore the contine onstrea to the searator otlet. he ereate olecles are ischarge to the
atoshere throgh a vent in the searator casing.
he itrogen Generator is seciicall esigne to rovie clean r high rit nitrogen or se in ire rotection srinler
sstes. he generator is a ll asseble acage rea to be connecte to a ne or eisting ire srinler sste sing
a actor reengineere air coressor. hese trne sstes incle all air iltration eient reire to ee the
generator oerating at ea eicienc.
NGP-WM lo Diagram
Product Designation Outlet Pipe Connection, NPS Sprinkler System Capacity (Gallon) Bypass Capacity (Gallon)
NPG-WM   1/2 125 
NGP-WM 5 
1/2  
NPG-WM 5 
NGP-WM  
1/2
1/2
125

25
5

NGP-WM lo Diagram
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Typical External View  
Ten allon eral eever an

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Typical Internal View 
  lar  onl
one oreor
6
1
10
9
8
7
2
5
4
3
 itrogen ontrol anel
 itrogen ebrane
 oalescing ilter
  icron ilter
 ir oressor
 

1. ressre itch
. itrogen tlet Valve
. itrogenir ill Valve
4. itrogen est ort Valve
. earator


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Section 3 - Before Going To The Job Site
1. in a location or the nitrogen generator to be installe eeting these reireents:
. Rn a eicate electrical circit ith an electrical isconnect sitch to srinler roo.
NOTE: The Wall Mount Nitrogen Generators operate at the same voltage but different amperage.
r clean an ellventilate
bient teeratres above 0 at all ties
ccess to ront or service
onvenientl locate near ire srinler sste connections

WARNING
he itrogen Generator creates a 0 to 40 ogen strea hich a ose a laabilit roble in an ogensensitive
environent. ie er installation reireents an ensre the area srroning the nitrogen generator is aeatel ventilate.
he itrogen Generator shol alas be installe in an aeatel ventilate roo. itrogen is nontoic an largel inert.
Rai release o nitrogen gas into an enclose sace islaces the ogen an can case an ashiation haar. nhalation o
nitrogen in ecessive concentrations can reslt in nconsciosness ithot an arning stos.
Model Phase Amperage Voltage Circuit Breaker Size (Amps)
GW001 G 5.9 11 15
GW001
G
11.2 11 0
GW00
GW00
GW001
G
G 15
10
0
0
.2
.1
G
GW006
GW006G 15
10
05
05
.2
.1
onvenientl locate near rain

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Section 4 - Uncrating and Inspection
1. n arrival o a ll insection b checing all acages an crates in the shient or aage.
 aage is on sign or the aage or rese the shient. ontact the carrier ieiatel an ile
a shiing aage clai ith the carrier.
. hec to ensre all coonents are containe an no visible aage has occrre ring shiing.
. ach nitrogen generator reires a ini o one ir aintenance evice  an one rge valve or analer
ort er sste. hec to see these coonents have arrive.
CAUTION
ortant: Rea all o the saet inoration in this anal beore installing or oerating this eient.
itrogen cabinet
itrogen storage tan
itrogen ebrane insie cabinet
anal insie cabinet
 10 conensation rain tbe
 10 nlon tbing ith coression ittings
Wall ont racet
nchor bolts 1 iaeter
 iing ro generator to sste  or greater
eicate electrical circit ith electrical isconnect
 rain tbing an connector i ore than 10 t. is neee
 ball valve or isolation
Required Items Supplied by Sprinkler Contractor
Crate Checklist:
1
Accessories
ir aintenance evice ne er riser
nsectors Gas naler ort iG
iG
itrogen naler ort 1
G
itrogen naler G
itrogen rge Valve GV1
GV1
1
Vibration as 4 cs.
le ose 1  0

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Section 5 - Installation of Nitrogen Generator
 all onn nron
ont the to cabinet onting bracet to the all aing sre that
it is level. it the generator ith attache onting bracet an
insert into all ont bracet. ighten bolts insie cabinet to cla
onto all ont bracet. ecre the nit to the all sing 1
iaeter bolts.

loor onn nron
o ont the generator to the loor: nchor the nit to a level srace
sing the  iaeter holes in the botto o the cabinet an the
vibration onting as slie
an oned ane

5

 nstall a  ball valve at the nitrogen storage tan otlet connection.
he nitrogen storage tan coes ith a  eale  connection
locate on one sie an a  coression itting on the other sie.
nstall the  hose ith coression ittings onto the cabinet otlet
connection. nstall the other en o the hose to the nitrogen storage
tan.
. lose the  ball valve.
4. nstall   iing ro  ball valve on the nitrogen
storage tan to the srinler sste ir aintenance evice
sing stanar accete installation ractices. he rovie
le hose can be se to revent ecess vibration
transission to iing.
. ie the rain tbe on the botto o the nitrogen cabinet to rain.
: bing ill nee to be restraine as air ressre ro
the rain valve a case the tbing to be islace ro
the rain.
. nstall   ie or larger ro the ir aintenance
evice  to the srinler sste sing stanar
accete installation ractices. itional sste
coonents a be reire.
 onnection
oression itting

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Section 6 - Wiring
ll iring shol be erore b a license electrician an conor to  an all alicable local stanars.
or iring instrctions reer to the Wiring iagra. Wiring location is in the nitrogen cabinet.
. nstall   ie or larger ro the 




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Section 7 - Standard Air Filling Method
 eore beginning ae sre the ater sl to the
srinler sste is trne o
.
 ae sre all iing connections have been ae
accoring to installation instrctions.
 lose all ir aintenance evice valves.  ltile
s are se ensre all valves are in close osition.
4. en the nitrogen cabinet.
. ove the itrogenir ill hanle to the ir ill osition.
. lose the itrogen est ort Valve.
. nsre the ball valve installe b contractor at the
nitrogen storage tan otlet is close.
itrogen est ort Valve
lose osition
itrogenir ill Valve
ir ill osition
ir ill Valve
 osition

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. oer the nitrogen generator sste . he oer n
light shol trn green.
 he coressor ill sht o at   nitrogen storage
tan ressre.



 hec all iing connections or leas
 as relbe iinga have loosene
ringshiing.

 sing the installe ball valve at the botto o the nitrogen storage
tan relieve the ressre ntil the air coressor trns .he
air coressor shol trn on at 0 . lose the
ball valve.
1. he air coressor ill rn an trn o at  .  the nit
taes longer than the rescribe tie or oes not
sto rnninghen the nit reaches   go to
robleshooting ection.

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 he nitrogen generator is no rea to ill the ire srinler
sste to the esire servisor ressre.
 en the ball valve at the nitrogen storage tan otlet.
5 


 

 


 s soon as srinler sste servisor ressre is reache
t the srinler sste bac into service b lacing the ir
aintenance evice in the aintenance osition reer to the
air aintenance evice anal or roer oeration.
CA TION
 there is ore than one  on the sste then close the others. ill one sste at a tie.
CA TION
 there is ore than one  on the sste ill  sste iniviall an reeat stes 1 throgh 1

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Section 8 - Nitrogen Filling Procedure
 nce the sste is at the esire servisor ressre it is tie to start inecting nitrogen.
 
 ove the itrogenir ill hanle to the itrogen osition.
 en the itrogen tlet Valve.
itrogenir ill Valve
itrogen osition itrogen tlet Valve
en osition
ir ill Valve
itrogen osition


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4. en the rain valve on the nitrogen storage tan
an relieve the ressre ntil the coressor starts.
he coressor shol trn on at 0  on the
nitrogen tan ressre gage.
. he ebrane ressre gage shol rea beteen
 an 100 .
. Recor the tie it taes or the nitrogen storage tan
to reach  . t shol ticall tae 
intes.: he air coressor ill rn
ringthis rocess.




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 When the nitrogen storage tan ressre reaches  
the coressor ill trn  an the nitrogen ebrane
ressre ill go to ero 0.
 Reeat stes 4 a secon tie to ensre nitrogen storage
tan ill  ties are consistent.
 n the secon ccle oen the itrogen est ort Valve
locate on the insie o the cabinet.
 rn on the itrogen naler. or ore inoration onthe
itrogen naler go to ection 1.
 ttach the itrogen naler to the itrogen est ort.
 he nitrogen rit level reaing shol clib to .
 not go to robleshooting.
 lose the itrogen est ort Valve an isconnect the
itrogen naler. ae sre to oer o the itrogen
naler.
 o not leave the itrogen est ort Valve oen or ore than
 intes. he rit level a ro an ill ties ill be
lengthene.

5 he sste is no in oeration.

itrogen naler G
itrogen est ort Valve shon in close osition

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Section 9 - Nitrogen Control Module
he itrogen ontrol ole is a bilt in  se to onitor the nitrogen generator an rovie sel inoration on
alars coressor oerating hors an ccles.
oral oeration oes not reire an oerator int. he
isla shol rea W itroge

 nless thegenerator is
in alar or log isla oe. o access the anelli the casing
.
 eration
o vie the log isla inoration:
 ress the lt e an then ress the on arro.
ress the lt e again.
 se the  an W arro e to scroll throgh
the log screens.
 o get ot o the log ress  then  arro
an ress  again to get to ain isla
