GeneralAire GF4200DMD Manuel D'installation page 2

Model GF-3200DMD & GF-4200DMD Humidifier Installation Manual
1
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 centerline.
2
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.
3
MOUNT 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.
4
MOUNT 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.
2
INSTALLATION
Supply
Humidifier
Chassis
Fig. A
Mounting
Bracket
Fig. C
Return
9.13"
6"
Round
10 to 15"
Nut
Fig. B
Nut
Fig. D
Ensure Chassis is Level
Drain Spout
BYPASS PIPE ASSEMBLY
3200 = 9.13"
4200 =12.0"
Mounting
Bracket
Humidifier
Chassis