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-5-
LowVoltage
ControlsWiring
24Vac
PrimaryWiring
CopperFunnel
Drain(by others)
LCDKeypad
Displaywith
LEDStatus
Scale
Collector
Tank
NHSC
Air
Gap
DrainLine
1.75"O.D.
Humidistat
SteamLine
Connection
NHSC
NHDI
usesNortec steam
hose1.75” O.D. Or Med.
LCopper Insulated
usesNortec steam
hose1.75” O.D. or
stainlessteel pipe.
Donot exceed 10 ft
whenusing steam hose.
Condensatetrap
mustbe 2” greater
thanduct static
pressure.
NOTE:NHDI does not have the scale management system.
Steam
Inlet
Min
24”
Water
Supply3/8”
Figure #10
Typical Duct Application using Standard Distributor
LowVoltage
ControlsWiring
24Vac
PrimaryWiring
CopperFunnel
Drain(by others)
LCDKeypad
Displaywith
LEDStatus
Scale
Collector
Tank
NHSC
Air
Gap
DrainLine
1.75"O.D.
Humidistat
SteamLine
Connection
NHSC
NHDI
usesNortec steam
hose1.75” O.D. Or Med.
LCopper Insulated
usesNortec steam
hose1.75” O.D. or
stainlessteel pipe.
Donot exceed 10 ft
whenusing steam hose.
Condensatereturn
tofloor drain, sump
pumpor back to the
humidifier
NHSC using a Short Absorption Manifold(
SAM-e)
in Duct/AHUSteam
Inlet
SAM-e Min
24”
Trapdepth
2”greater
thanduct
staticpressure
Water
Supply3/8”