SADDLE VALVE INSTALLATION INSTRUCTIONS
Copper Pipe
1. Retract piercing pin into valve body by turning handle
counterclockwise.
2. Screw valve body into upper bracket and tighten.
3. Place rubber gasket over piercing pin.
4. Assemble saddle valve over copper pipe using enclosed screws,
nuts and lower bracket.
5. Tighten screws evenly and firmly. Brackets should be parallel.
6. Complete compression connection to saddle valve outlet.
7. Turn handle clockwise to pierce tubing and close saddle valve.
8. Turn handle counterclockwise to open saddle valve, leave open for
several seconds to flush dirt from pipe and tubing.
Steel, Brass or Hard Plastic Pipe
1. Shut off water supply and drain pipe.
2. Turn handle clockwise to expose piercing pin and close saddle
valve.
3. Place rubber gasket over piercing pin.
4. Drill 1/8" hole in pipe using a hand crank drill to avoid shock hazard.
5. Assemble saddle valve over steel, brass or hard plastic pipe using
enclosed screws, nuts and lower bracket.
6. Tighten screws evenly and firmly. Brackets should be parallel.
7. Complete compression connection to saddle valve outlet.
8. Turn handle counterclockwise to open saddle valve, leave open for
several seconds to flush dirt from pipe and tubing.
Threaded Pipe Fittings
1. Turn handle clockwise to expose piercing pin and close saddle
valve.
2. Seal valve body threads using pipe tape or sealant.
3. Install valve into 1/8" NPT fitting.
4. Complete compression connection to saddle valve outlet.
5. Turn handle counterclockwise to open saddle valve, leave open for
several seconds to flush dirt from pipe and tubing.
Attach solenoid valve to side of humidifier cabinet with flow arrow
pointing up, using thumb nuts provided. Do not reverse brass
fittings as valve will not function if flow is reversed. Assemble
distributor tube so that it is directed into the center opening of the
distributor trough cover. Connect 1/4" water supply tube to brass
filter at inlet of solenoid. DO NOT USE PLASTIC TUBING IN
CONTACT WITH ANY HOT PLENUM SURFACE OR
DUCT. IF USING PLASTIC TUBING, USE TUBE
SUPPORT PROVIDED.
WIRING
Please refer to the installation instructions included with the Humidistat.
Turn on water supply and check operation of humidifier. Set humidistat to
a demand setting. With the furnace off, the solenoid valve should be
closed. Start the furnace, the solenoid valve should open when the
blower or burner circuit is energized. Check flow of water through
distributor trough and evaporator pad. The standard 990-16-76 orifice will
supply approximately 3.5 GPH of water at a line water pressure of 60 psi.
For low water pressures (20-40 psi) a larger orifice 990-16-75 is available
to provide the same flow. Leave humidistat set at the recommended
setting.
Connect drain hose to 5/8" spout on humidifier cabinet using hose
clamp provided. Run 5/8" hose to suitable drain such as floor drain,
sewer or laundry sink. Be sure hose has continuous slope and is not
kinked at any point.
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