Product Overview

Wiring Connections
Terminals Functions Electrical Specifications
L1-L2
GROUND
Powersupplyandground
connections
Powersupply110VAC1-phase50-60Hz1.8kW
or230VAC1-phase50-60Hz4.05kW
AB-AB Remoteenablinginput
ImposesanexternalNOcontact;Rmax=300
Ohm:Vmax=33Vdc;Imax=6mAdc;humidier
enabled=contactclosed
IN-GND Controlsignalinput
Ifprogrammed0...10V;Inputimpedance10KOhm
IfprogrammedOn-Off:
Vmax33Vdc;Imax=5mA;Rmax=300Ohm
NC-C-NO
NCalarmcontact;Common
alarmcontact;NOalarm
contact
250V;8Ampmaxwithresistiveload;4Ampmax
withinductiveload
NO-C Externalfanrelay
250V;8Ampmaxwithresistiveload;4Ampmax
withinductiveload
24GND Powerforexternalhumidistat
Powersupplyforexternalhumidistat24VAC;2
Watt
• Softenedwater
• Watercontainingdisinfectantsorcorrosioninhibitors
• Industrialwater,boilerwaterorwaterfromcooling
circuits
• Anypotentiallychemicallyorbacteriologically
contaminatedwater
• Heatedwater
Unacceptable Water Types
• Pressure:Between20PSIand110PSIor0.1
and0.8MPa(1&8Bar)
• Temperature:Between33°Fand104°F
(1°Cand40°C)
• FlowRate:minimum0.45L/minor0.21gpm
• Hardness:Nogreaterthan40°fH(equalto400
ppm
3
ofCaCO)
• Absenceoforganiccompounds
• Conductivitybetween125to1250µs/cm:
125to400LowConductivity
400to1250RegularConductivity
Water Requirements
WaterConductivityMeter
(GFI#7065)
Recommended Settings:
At Outside Temperature
Recommended
Setting
-20°F -29°C 15%
-10°F -23°C 20%
0°F -18°C 25%
10°F -12°C 30%
20°F -7°C 35%
30°F -1°C 40%
Model Options
Model
No.
Power Supply
(Single Phase)
Steam
Output
(lbs/hr)
Steam
Output
(kg/h)
Power
(kW)
Current
(A)
External
Power
Wires
External
Fuse
(A) or
Breaker
DS15P 110VAC 50/60Hz 5.5 2.5 1.80 16.40 AWG10 25
DS25 230VAC 50/60Hz 9-12 5.4 3.89 16.95 AWG10 25
DS25LC 230VAC 50/60Hz 9-12 5.4 3.89 16.95 AWG10 25
Table1.2PoundsofMoisture/Hour/CubicFoot*
Basedon.5AirChangesPerHour(ACH)
Indoor
Air Temp
Indoor RH %
35% 40% 45% 50%
68°F 0.00015 0.00018 0.00021 0.00024
70°F 0.00017 0.00020 0.00023 0.00026
72°F 0.00019 0.00022 0.00025 0.00028
Goto:www.generalaire.com/support/humidification
calculatorforassistanceinselectingahumidierfor
ahome.
Step 1: Calculate the Total Cubic Feet of Home
TotalHomeSquareFootageXAverageCeilingHeight
(Includethebasement)
Step 2: Calculate the Load (lbs/hr)
TotalCubicFeetXDesiredConditionFactor
(TableBelow)X1.05/Ea.Fireplace
Step 3: Calculate Gallons Per Day (GPD)
GallonsPerDay=Load(lbs/hr)X2.88
Calculating Humidity Load
Installation Kit Now Included With Humidifier
Remote Blower Kits Available
(Order Separately)
LastUpdated:6-2018
CanadianGeneralFilters,Ltd.
400MidwestRd.
Toronto,ONM1P3A9Canada
TollFree:(888)216-9184
www.cgfproducts.com
GeneralFilters,Inc.
43800GrandRiverAvenue
Novi,Michigan48375
TollFree:(866)476-5101
www.generalaire.com
Downloadonlineat:www.generallters.com/literature/spec/submittal.Allinformationsubjecttochangewithoutnotice.
Spec Sheet
OurBrands
RMB15(GFI#7665)
RMB35(GFI#7660)
Test Water Conductivity
GENERAL FILTERS
INCORPORATED
GeneralAire
®
Models DS15P, DS25, DS25LC
Steam Humidifiers
Duct Steam Humidifiers
Residential Whole-House (GFI #5578, 5574, & 5577)
Control Wiring
• SeetheGFX3installationmanualfor
wiringinstructions.