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I. INSPECT PACKAGE AND CHECK EQUIPMENT
Inspect contents of packaged humidifier. File claim with shipping
company prior to installation if shipment is damaged or incom-
plete.
The package should contain:
1. Humidifier and media assembly
2. Humidistat
3. Template
4. Owner’s Manual
5. Warranty Certificate
6. Solenoid valve with bridge rectifier
7. Saddle valve assembly with adapter
8. Four sheet metal screws
9. Foam tape
10. Water noise reducer (use for water pressure over 60 psi)
11. 6-in. damper
12. Worm clamp for field-supplied drain tube
13. Humidifier maintenance instruction sticker
14. Bryant logo label
II. SELECT LOCATION (SEE FIG. 1.)
Humidifier may be installed on either supply or return plenum.
If furnace has air conditioning coil, be sure humidifier does not
interfere with coil ends. Remember to provide clearance for
maintenance and evaporator pad removal.
III. PREPARE PLENUM OPENING (SEE FIG. 2.)
1. Use template for marking humidifier opening.
2. Tape in place on plenum making sure template is level.
IMPORTANT: For humidifier to operate properly it must be
level and mounted on a vertical surface.
3. Drill four 1/8-in. holes in plenum.
4. Cut opening in plenum using heavy solid lines on template
as a guide.
IV. MOUNT THE HUMIDIFIER (SEE FIG. 3.)
1. Attach foam tape on inside of mounting flange.
2. Hook bottom notch of humidifier on opening cut in plenum.
3. Push top of humidifier to plenum aligning screw holes with
flange.
4. Align, level, and secure using top screws first.
5. Insert bottom screws and tighten all screws for air tight seal.
V. INSTALL BYPASS DUCT
Attach field-supplied 6-in. diameter duct, elbow, or starting collar
with field-supplied 1/4-in. zip screws. Install supplied 6-in. damper
in 6-in. duct connector.
IMPORTANT: On systems with central cooling, the damper
should be closed during cooling season to prevent bypass air.
CAUTION: Do not support weight of bypass duct from
humidifier — damage could result.
→ Fig. 1—Installation of HUMBBLBP2018-A--
Bypass-Type Humidifier
A98363
BYPASS UNITS ONLY
VERTICAL
HORIZONTAL
BYPASS UNITS
DRILL (2) HOLES
IN DUCT
FOR #8 SHEETMETAL
SCREWS
"N" COIL
Fig. 2—Preparing Plenum Opening
A97096
TEMPLATE
PLENUM
LEVEL
→ Fig. 3—Mounting the Humidifier
A98364
FOAM TAPE
NOTCH
SCREWS
—2—
→
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