General Filters General Aire 3200 User manual

Installation Manual
Model 3200 & 4200 Evaporative Humidifiers
Manual GFI #5800 & #5950
Automatic GFI #5801 & #5951
®
®
Please Read And Save These Instructions
General Filters, Inc.
43800 Grand River Avenue
Novi, Michigan 48375
Toll Free: [phone]
www.generalaire.com
Not Included (Contractor Supplied):
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
• Humidifier (Model 3200 M/A or 4200 M/A)
• GA10 Vapor Pad®(GFI #7905 For 3200 Models)
• GA35 Vapor Pad®(GFI #7902 For 4200 Models)
• Solenoid Valve Assembly
• Push-to-Connect Tee Valve
• Manual (M Models); Automatic Humidistat (A Models)
• 24V Transformer
• Hardware Kit
• Drain Tube 10'
• Water Supply Tube Kit
• 1/4" Diameter plastic supply tubing for cold water applications, or 1/4"
copper supply tubing required for hot water applications
• 6" Diameter rigid or flexible by-pass duct
• Wire nuts
• 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.
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WARNING!
This symbol and the word "WARNING" indicates:
IMPORTANT INSTRUCTIONS!
Failure to heed CAUTION! or WARNING! can result in serious injury or death.
4200
3200
CAUTION!
This symbol and the word "CAUTION" indicates:
IMPORTANT INSTRUCTIONS!
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Plenum Installation Location: Models 3200 & 4200
humidiers may be installed on either the return or supply
plenum of a forced air handling system. The humidier's bypass
panel is reversible and can be mounted on the right or left side
of the humidier. Select a location for the humidier that allows
for service and maintenance.
Vertical
Installation
Options
Return
Return
Supply Supply
Horizontal Installation
Drain Line
Drain Line
Form No. 3200-18 USA REV C

2
Model 3200 & 4200 Humidier Installation Manual
INSTALLATION
CUT HUMIDIFIER AND BYPASS HOLES IN DUCT
Using the supplied template, cut the rectangular opening
in the Return or Supply (shown) duct. Cut the 6” round hole
in the opposite duct. Locate it 10” to 15” from side of the
humidifier, near the cabinet horizontal center line.
OPTIONAL. MOVE SOLENOID BRACKET FOR
LEFT SIDE BYPASS:
I. Remove distribution tube.
II. Remove solenoid from left side of chassis. (Fig. A)
III. Loosen nut on top of solenoid - do not remove. (Fig. B)
IV. Rotate bracket 180°, as shown. (Fig C)
V. Re-tighten nut.
VI. Mount solenoid on right side of chassis. (Fig. D)
VII. Reinstall distribution tube.
1
4MOUNT THE BYPASS
Connect one end of the bypass pipe to the humidifier.
Connect the other end to the 6" opening in the duct.
If using flexible ducting, minimize excess length and sag. BYPASS PIPE ASSEMBLY
3MOUNT THE CHASSIS
Make sure the bypass panel is aligned with the 6"
opening in the duct. Make sure the drain spout is pointing
downward, as shown. Level the chassis and install the six
mounting screws.
Drain Spout
Ensure Chassis is Level
2
Nut
Mounting
Bracket
Humidifier
Chassis
Mounting
Bracket
Nut
Humidifier
Chassis
Fig. A
Fig. C
Fig. B
Fig. D
6"
Round
Return
Supply
OR
3200 = 9.13"
4200 =12.0"
9.13"
10 to 15"

3
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®
INSTALLATION
5
1/2" Drain Hose
Flat Spring Clip
1/2" Spout
CONNECT THE DRAIN HOSE
Connect the 1/2" ID drain hose to the spout on the humidifier cabinet
using the provided flat spring clip. 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.
6
7
INSTALL THE PUSH-TO-CONNECT VALVE
I. Select desired valve location.
II. Remove 0.6" (15mm) of pipe to account for valve width (Fig. E).
Make sure both pipe ends are square, deburred and clean.
III. Mark both pipes at the insertion depth, 0.95" (24mm) (Fig. F).
Fig. E
Fig. F
.95"
.95"
IV. 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. G).
Fig. G
.95
.60"
CONFIGURE WATER SUPPLY TUBING
I. Utilizing copper tubing requires a brass compression
nut and brass sleeve.
II. Utilizing plastic tubing requires a plastic sleeve on the
outside with a brass compression nut.
Compression Sleeve
P-190 Compression Nut
P-101
1/4" Water Supply Tube
Solenoid Assy
4400-05
Plastic Sleeve
P-190
Brass Sleeve
P-102 Compression Nut P-101
HOT WATER - COPPER TUBING 1/4"
COLD WATER - PLASTIC TUBING 1/4"

4
Model 3200 & 4200 Humidier Installation Manual
Replace your Vapor Pad®at the beginning of each heating season.
• Model 3200 = GA10 (GFI #7905)
• Model 4200 = GA35 (GFI #7902)
Your new humidifier carries a 5-year limited warranty.
For our complete warranty policy visit www.generalfilters.com.
4200 Humidifier Assembly
3200 Humidifier Assembly
43800 Grand River Avenue Novi, Michigan 48375
Toll Free: [phone] www.generalaire.com
4200-21
SS DISTRIBUTION TUBE
ASSEMBLY
3200-01
CHASSIS
3200-13
COVER
4200-15
DISTRIBUTION
TROUGH
3200-14
DRAIN PAN
3200-12
VAPOR PAD
(GA10)
4200-10
SPOUT
4200-02
SIDE PANEL
900-28
DAMPER
900-11
DAMPER
KNOB
900-29
COMPRESSION
SPRING
4200-05
SOLENOID VALVE
4200-21
SS DISTRIBUTION TUBE
ASSEMBLY
4200-01
CHASSIS
4200-05
SOLENOID VALVE
4200-15
DISTRIBUTION
TROUGH
4200-14
DRAIN PAN
4200-12
VAPOR PAD
(GA35)
4200-13
COVER
4200-10
SPOUT
900-11
DAMPER
KNOB
900-28
DAMPER
4200-02
SIDE PANEL
900-29
COMPRESSION
SPRING
9
INSTALL THE (DUCT OR WALL MOUNT) MANUAL HUMIDISTAT
I. Mount the included humidistat on the duct (Fig. H) or on the wall.
II. Wire the humidifier and humidistat as shown. (Fig. I)
(Complete instructions can be found in the humidistat package.)
INSTALLATION
8
TEST THE OPERATION OF THE UNIT
• Turn the damper knob to the WINTER position. (Fig. J)
• Turn on the water supply.
• Turn the humidistat ON (towards the left).
• The solenoid valve should be closed when not energized.
• Once the solenoid is energized the valve should open.
• Check flow of water through distributor trough and evaporator pad
(3.5 GPH of water at a line pressure of 60 psi.)
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!WARNING: ALL WIRING SHOULD COMPLY WITH LOCAL ELECTRICAL CODES.
* W Terminal:
• Some control boards may have a dedicated 24V HUM terminal (confirm
with manufacturer literature before installing).
• If 120V HUM terminal is used, please use 24V transformer provided.
7D
6"
Humidistat
Drain Hose
Fig. H
Damper Knob
Pointing at
"WINTER"
Fig. J
Wire
Splices
Blue
Wires
GeneralAire® Humidifier
Furnace
R
C
G
*W
GeneralAire®
MHXC3 Humidistat
NO C NC
GeneralAire®
MHX3C Humidistat
GeneralAire®Humidifier
Fig. I
ON
OFF
75
10
MHX3C