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Model 1042LH Humidifier Installation Manual
Installation
1. Select location on vertical surface of warm or return air
plenum for mounting humidifier. For plenum sizes 9 1/2"
to 15" use GP-1040AD adapter plate and five screws, 3
screws in top (supplied with DM model only). Affix
mounting template in place making sure the template is
level. Do not install humidifier or 6" bypass pipe where
the blanked off ends of a cooling coil will restrict air flow
to the humidifier. Extend horizontal centerline from
template to the adjacent plenum. Scribe 6" circle 10" to
15" from side of humidifier, on cabinet centerline, using
connecting collar as guide. Cut out center section of
template and 6" hole.
2. Install four sheet metal screws in the side mounting holes
until the heads project about 3/8". Hang the humidifier
from the four screws. Adjust humidifier until level and
tighten four screws. Install four sheet metal screws in the
remaining mounting holes. Tighten all 8 screws. Install
drain pan, evaporator pad and distributor trough.
3.
Install connecting collar. Connect by-pass pipe to collar
and humidifier cabinet. Using holes at top and bottom
of humidifier bypass opening, screw by-pass pipe to
humidifier cabinet.
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Last Updated: 05-2021
ALLOW 2 1/2 INCHES CLEARANCE
ABOVE THIS SURFACE FOR SERVICING
Top Of Template
TEMPLATE FOR INSTALLING
BYPASS HUMIDIFIER
FOLLOW INSTRUCTIONS PACKED WITH HUMIDIFIER
1. REMOVE PROTECTIVE PAPER FROM BACK OF TEMPLATE AND STICK IN LEVEL POSITION.
2. CENTER PUNCH AND DRILL THE FOUR SIDE MOUNTING HOLES WITH A 1/8 " DIA. DRILL.
3. HANG HUMIDIFIER FROM FOUR SIDE SCREWS AND INSTALL DRAIN PAN, EVAPORATO R
PAD AND DISTRIBUTOR TROUGH.
WHEN INSTALLING ON BASEMENT TYPE FURNACE, EXTEND THIS LINE
FOR LOCATING HOLE ON ADJACENT PLENUM
4. TIGHTEN SCREWS AND ADJUST HUMIDIFIER UNTIL LEVEL.
5. REMARK FOUR REMAINING HOLES IF NECESSARY.
6. REMOVE HUMIDIFIER, DRILL REMAINING HOLES AND CUT OUT CENTER SECTION O F
TEMPLATE.
CUT ON THIS LINE
TEMPLATE NO. 1042-25
IF FURNACE JACKET EXTENDS MORE THAN 3" OUTWARD FROM THE PLENUM SURFAC E
ALLOW 4" CLEARANCE BELOW THIS LINE FOR EASY ACCESS TO DRAIN HOSE CONNECTION.
400 Midwest Rd.
Toronto, ON M1P 3A9
Canada
Toll Free: (888) 216-9184
www.generalaireiaq.ca
sales@GeneralAireIAQ.ca
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