REQUIRED TOOLS:
2.0 Aviation Snips • #2 Flathead Screwdriver • #1 Phillips Screwdriver •
Adjustable Wrench • Pliers • Electric Drill with 7/64 in. (0.28 cm), 3/32 in. (0.24
cm), 1/4 in. (0.64 cm) and 3/8 in. (0.95 cm) Drill Bits • Hammer • Center Punch
INSTALLING THE HUMIDIFIER:
3.0
CAUTION:
When selecting a location for the humidifier, make sure the spray
will not impinge or accumulate on any fan, limit controls, resistance heating coils or
heating/air coils.
3.1 Select a location where the air will push the
spray mist away from the humidifier.
3.2
Mount the humidifier on the warm air
plenum only
, with the nozzle pointing up in the
direction of airflow (see Figure 1, left). On narrow
plenums, mount the humidifier on the narrow side.
3.3 If there is not enough room on the warm air
plenum, mount the humidifier further downstream
on the warm air duct, away from the heating and
cooling coil.
3.4 If it is necessary to mount the spray nozzle
further away from the humidifier (in order to move
the nozzle further into the air stream for better
absorption), remove the nozzle adapter and 45°
fitting from the solenoid valve. Use the fittings
supplied in the parts bag to relocate the nozzle
using 1/4 in. (0.64 cm) copper tubing (not supplied).
(See Figure 2, below, left.)
CAUTION:
Do not allow
copper tubing to come in contact with sharp edges
or surfaces that may cause wear on the tubing.
3.5 Tape the template (provided) on the warm air
plenum in the location selected for the humidifier.
CAUTION:
Make sure the template is level.
3.6 Center punch and
drill four 7/64 in. (0.28 cm)
mounting holes, as shown
on the template.
DANGER:
Make sure you are not
cutting or drilling into air
conditioning or electrical
accessories.
3.7 Drill a 3/8 in. (0.95
cm) hole in the center of the
shaded area of the template;
cut a rectangular opening
(staying within the shaded
area), as indicated.
3.8 Install the drain cup
over the nozzle; attach it with
a #6 x 3/8 in. (0.95 cm) sheet
metal screw. (See Figure 3,
left.)
3.9 Install 3/16 in. (0.48
cm) ID tubing on the copper
humidifier drain and run it to a
waste drain. (An occasional
drip from the drain tube when
the humidifier is operating is
normal.)
3.10 Attach the humidifier
with four #8 sheet metal
screws.
INSTALLING THE INSPECTION WINDOW:
NOTE:
A clear, plastic window is supplied with the humidifier to be mounted on the
ductwork. This allows you to observe whether the humidifier is functioning properly,
and whether there is water impinging on parts or surfaces within the system.
4.0 Select a mounting location on the ductwork where the humidifier spray
nozzle can be viewed easily.
4.1 Drill a 3/8 in. (0.95 cm) hole and cut a 4-1/2 in. x 2 in. (11.43 cm x 5.08
cm) rectangular opening.
DANGER: Make certain that you are not drilling or
cutting into any air conditioning or electrical accessories during installation.
4.2 Position the window over the opening; mark and center-punch the two
mounting hole locations.
4.3 Drill the two 3/32 in. (0.24 cm) mounting holes.
4.4 Attach the window with two #6 phillips-head screws (not provided).
On/Off Light
Replaceable
Stainless Steel Nozzle
Cup Prevents Drip
Into Furnace
FIGURE 3
IMPORTANT
THIS HUMIDIFIER MUST BE INSTALLED BY A QUALIFIED CONTRACTOR.
DO NOT INSTALL ON ANY SYSTEM WITH WATER PRESSURE LESS THAN
40 PSI (275.79 KPA).
Installation on water systems with hardness ratings greater than 7 grains is
not recommended. Such installations can result in nozzle blockage, dripping,
erratic spray patterns and other maintenance problems. Hardness above 7
grains will also produce dust from solids in the water supply, which will be
distributed throughout the home. Consult your municipal water provider
before continuing.
SAFETY PRECAUTIONS
READ THESE PRECAUTIONS AND ALL INSTALLATION INSTRUCTIONS
BEFORE INSTALLING THE HUMIDIFIER.
NOTE:
Skuttle Mfg. Co. (aka Skuttle Indoor Air Quality Products) assumes no
responsibility under warranty if installer does not follow these instructions and
safety precautions.
• Do not install a humidifier where the heating temperatures can exceed 200°F
(93.33°C). Excessive temperatures will damage the humidifier, possibly
causing an overflow condition and water damage to the home.
• Do not install a humidifier where the surrounding temperature can be 32°F
(0°C) or colder. Frozen water will damage the humidifier and burst the supply
pipe, resulting in home damage.
• Do not cut or drill into any air conditioning or electrical accessories during
humidifier installation.
DANGER: Electrocution is possible if you come
in contact with a live wire; blindness can occur if refrigerant contacts
your eyes.
• When the humidifier is installed in an area where water damage could occur,
connect the humidifier’s overflow provision to a suitable drain pan.
• For above-ceiling installations, always install a drain safety pan, plumbed to
a suitable drain.
• For initial recommended humidistat settings, refer to Table 1, below.
(Because relative humidity affects people differently, these settings can
be raised or lowered slightly to suit personal comfort levels.)
CAUTION:
Setting the humidistat higher than the recommended setting can cause
condensation, resulting in home damage.
If excessive moisture appears
on windows or walls, reduce the humidistat’s humidity setting enough to
eliminate condensation. If the situation continues, turn off the humidifier’s
water source until condensation is gone.
• Make sure the installation, wiring and plumbing of the humidifier comply with
local codes, ordinances and regulations.
Outside
Temperature
Recommended
Setting
Outside
Temperature
Recommended
Setting
-20ºF (-28.89ºC)
Low
10ºF (-12.22ºC)
Med
-10ºF (-23.33ºC)
Low
20ºF (-6.67ºC)
High
0ºF (-17.78ºC)
Med
Above 20ºF (-6.67ºC)
High
TABLE 1
INSTRUCTIONS
INSTRUCTIONS FOR HEAT PUMPS AND HIGH-EFFICIENY FURNACES
1. Remove the screw holding the two wires eyelet on thermal switch.
2. Remove the two screws holding the thermal switch in housing.
3. Remove eyelet from the two wires.
4. Strip 3/8" to 1/2" coating from the two wires.
5. Follow the wiring diagram for heat pump and high-effiency furnaces.
GENERAL INFORMATION:
1.0 This humidifier puts moisture into the home by spraying a fine mist of water
into the warm air plenum, which is carried into the living area by the duct system.
1.1 When wired as recommended, the humidifier will operate only when the
furnace blower is operating and the humidistat is calling for humidity.
1.2 The nozzle capacity (flow) is rated at 40 psi (275.79 kPa). This capacity
varies according to line pressure, as shown in Table 2, below. Select the nozzle
that delivers the required spray in accordance with the pressure in your area.
Nozzle Size
Volume Capacities per Hour at Various Water Pressures
40 psi
(275.79 kPa)
60 psi
(413.69 kPa)
80 psi
(551.58 kPa)
100 psi
(689.48 kPa)
125 psi
861.85 kPa)
.37 (1.40)
.37 gph
(1.40 lph)
.45 gph
(1.70 lph)
.55 gph
(2.08 lph)
.60 gph
(2.27 lph)
.70 gph
2.65 lph)
.50 (1.89)
.50 gph
(1.89 lph)
.60 gph
(2.27 lph)
.70 gph
(2.65 lph)
.80 gph
(3.03 lph)
.85 gph
(3.22 lph)
.75 (2.84)
.75 gph
(2.84 lph)
.89 gph
(3.37 lph)
1.10 gph
(4.16 lph)
1.20 gph
(4.54 lph)
1.40 gph
(5.30 lph)
TABLE 2
(See example on back, at end of document)
gph = gallons per hour; lph = liters per hour
1.3 If the water pressure is excessive, a pressure regulator valve will be
necessary to obtain the proper volume of moisture.
Skuttle Model 592
24-Volt Spray Humidifier
INSTALLATION INSTRUCTIONS
101 Margaret Street, Marietta, OH 45750
Phone: (800) 848-9786 • Fax: (740) 373-9565
Email: techservice@skuttle.com • Web: www.skuttle.com
BEGIN READING ON OPPOSITE PANEL
Part No. 000-0756-233
Rev. 11/13 HBP
Continued on back...
Humidifier
Warm Air
Cold Air
FIGURE 1
Standard 1/8 in. (0.32 cm) MIP
by 1/4 in. (0.64 cm) OD Comp.
(Fittings Included)
Standard 1/8 in. (0.32 cm) FIP
by 1/4 in. (0.64 cm) OD Comp.
(Fittings Included)
1/4 in. (0.64 cm)
Copper Tubing
(Not Supplied)
FIGURE 2
DO NOT INSTALL IN LINED DUCTWORK OR ON DUCT BOARD.
