GeneralAire 4400A User manual
Installation Manual
Model 4400A Fan-Assist Evaporative Humidifier
Automatic
®
®
Please Read And Save These Instructions
IMPORTANT: To ensure your safety and the
longevity of your unit, we recommend:
•Contacting a licensed contractor to perform
maintenance or repairs.
•Changing your Vapor Pad®at the start of each
heating season.
!
Inside The Box
•GA35 Vapor Pad®(GFI #7902)
•Solenoid Valve Assembly
•GFX4 Digital Automatic Humidistat (GFI #7170)
•Installation Hardware
•Push-to-Connect Valve for 1/2 copper or PEX
•1/4" Diameter plastic supply tubing for cold water applications
•Electrical wire and wire nuts
•(6) #8 x 1/2” Long self-piercing sheet metal screws
CAUTION!
24V Transformer is Factory Installed. Do NOT Connect Any
Power Supply Source to the External Yellow & Red Wires.
• WARNING: DISCONNECT ELECTRICAL POWER
BEFORE BEGINNING INSTALLATION.
WARNING: Do not install where ambient temperatures fall below 32°F / 0° C or where plenum temperatures exceed 200° F / 93° C.
For maximum evaporative capacity, install this humidifier on the warm air supply plenum.
!
!
WARNING!
This symbol and the word "WARNING" indicates:
IMPORTANT INSTRUCTIONS!
Failure to heed CAUTION! or WARNING! can result in serious injury or death.
USA Model
4400A (GFI #5961)
Canadian Model
GF-4400
Patent Pending
CAUTION!
This symbol and the word "CAUTION" indicates:
IMPORTANT INSTRUCTIONS!
!
!
!
!
!
Supply Plenum Installation Location: The model
4400A fan-assist evaporative humidier must be installed on
the supply plenum (ONLY) of a forced air handling system.
Select a location for the humidier that allows for service and
maintenance.
Vertical
Installation
Return Supply
Drain Line
Form No. 4400-18 REV B
2
Model 4400A Humidier Installation Manual
INSTALLATION - SUPPLY (ONLY)
1
2
Prepare Duct
1. Cut a rectangular hole using the manufacturer-supplied
mounting template.
Affix Chassis
1. Install the humidifier chassis, making sure the drain
spout is pointing downward, as shown.
2. Level the chassis and install using the six
mounting screws included.
3
For serviceability, please allow an obstruction-free zone
of at least 4" (101.6mm) on the right side and bottom of
the humidifier.
Install the Push-to-Connect Valve
1. Select desired valve location.
2. Remove 0.6in (15mm) of pipe to account for valve width (Fig. A).
Make sure both pipe ends are square, deburred and clean.
3. Mark both pipes at the insertion depth, 0.95" (24mm) (Fig. B).
Supply
12.63"
Wide
Supply
12.13
High
Fig. A
Fig. B
.95" .95"
.60"
3
®
®
INSTALLATION - SUPPLY (ONLY)
1/2" Drain Hose
Flat Spring Clip
1/2" Spout
5
6Connect Drain Hose
1. Connect the 1/2" ID drain hose to the spout on the
humidifier cabinet using the provided flat spring clip.
2. Run the drain hose to a suitable drain such as floor drain,
laundry sink or to a condensate pump (sold separately).
Be sure the hose has continuous slope and is not kinked
at any point.
3
Connect Water Supply
1. Connect 1/4" water supply tube to brass inlet of solenoid.
2. Turn on water supply and check for leaks.
CAUTION: Do not use plastic tubing in contact with any
hot plenum surface or duct.
4
!
Install the Push-to-Connect Valve, Cont.
4. Firmly insert both pipes into fitting until at full depth.
Verify each pipe is fully inserted. The depth mark will
be within 0.005" (0.13mm) of the release collar (Fig. C).
4200-05
Solenoid Assy
P-190
Plastic Compression
Sleeve
1/4" Water Supply Tube
P-101
Compression Nut
Configure Water Supply Tubing
1. Utilizing copper tubing requires a brass compression
nut and brass sleeve.
2. Utilizing plastic tubing requires a plastic sleeve on the
outside with a brass compression nut.
Plastic
Sleeve
Brass
Sleeve
Compression Nut
HOT WATER
COPPER TUBING
COLD WATER
PLASTIC TUBING
Fig. C
.95
4
Model 4400A Humidier Installation Manual
CONNECTING THE GFX4 TO THE 4400A
Wiring the GFX4 Without Relay or Air Proving Switch
7
Figure 1: Interlocked with call for heat and with use of field-supplied jumper between AC-C and HUM1
Figure 2: Blower activation on humidity call and with use of field-supplied jumper between AC-L and HUM1
®
®
GeneralAire®
4400A Fan-Assist Humidier
®
®
GeneralAire®
4400A Fan-Assist Humidier
5
®
®
CONNECTING THE GFX4 TO THE 4400A & TESTING THE UNIT
Utilizing Traditional Wiring to Connect the GFX4
7
8
Figure 3: Interlocked with call for heat and with use of field-supplied 24V isolation relay
Figure 4: Interlocked with blower and with use of field-supplied GA50 sensing relay or 12502 air pressure switch
Test the Operation of the Unit
1. Turn on the water supply.
2. Turn the humidistat RH% to 75%.
3. Turn the furnace on; heat cycle. Make sure the furnace blower motor is on.
4. Once the solenoid valve is energized the valve should open.
5. Check flow of water through distributor trough and Vapor Pad®(3.5 GPH of water at a line water pressure of 60PSI).
6. Check fan operation (ON).
7. Reduce RH% to desired setting after test completion.
®
®
GeneralAire®
4400A Fan-Assist Humidier
®
®
GeneralAire®
4400A Fan-Assist Humidier
6
Model 4400A Humidier Installation Manual
Replace your GA35 Vapor Pad®at the beginning of each heating season.
•Remove Cover
•Release & Open Door
•Remove Vapor Pad Assembly
•Remove & Discard Used Vapor Pad
•Remove Scale Buildup On Frame, If Present
•Reinsert Vapor Pad Assembly
•Close Door
•Reinstall Cover
Your new humidier carries a 5-year limited warranty. For our complete warranty policy visit www.generallters.com.
General Filters, Inc. 43800 Grand River Avenue Novi, Michigan 48375
Toll Free: (866) 476-5101 www.generalaire.com
Canadian General Filters, Ltd. 400 Midwest Rd Toronto, ON M1P3A9
Toll Free: (888) 216-9184 www.generalaireiaq.ca
Canadian General Filters
Limited
4400A FAN-ASSIST EVAPORATIVE PARTS ASSEMBLY
MAINTENANCE
WARRANTY
CONTACT
4400-05
SOLENOID
ASSEMBLY
4400-01
CHASSIS
4200-10
SPOUT
4400-22
PIVOT PIN
4200-14
DRAIN PAN
4400-11
WIRE HARNESS 1137-61
RELAY ASSEMBLY
4400-13
COVER
4400-07
FAN MOTOR
COVER
GA35
VAPOR PAD
4200-15
DISTRIBUTION
TROUGH 4400-09
MOTOR MOUNT 4400-08
AIR FLOW ADAPTER
4400-06
CROSSFLOW FAN
4200-21
SS DISTRIBUTION TUBE
ASSEMBLY
4400-12
FAN MOTOR
SHEILD
4400-22
PIVOT PIN
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