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Summary of Contents for Fogmaster Sentinel II 5700
- Page 1 OWNER’S MANUAL ® Sentinel II 5700 EXTREME DUTY REMOTE CONTROL, DUAL HEAD FOGGING SYSTEM Read all instructions carefully before starting the installation. Save this manual for future use.
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Page 2: Theory Of Operation
OWNER’S MANUAL SAFETY • Always follow label instructions for the chemical you are using. • To avoid danger of fire or explosion, do not fog flammable liquids, especially in an enclosed area. • Wear a mask or respirator as required by the chemical being applied. Fog particles can be practically invisible and are easily inhaled. • Do not fog so much that fog particles are drawn back into unit in the intake air. Keep air filter in place. THEORY OF OPERATION Sentinel II fog heads use a powerful tangential blower to atomize feed liquid in turbulent mixing nozzles. The fog head draws air through an intake port on top of the unit. This allows the unit to be used in dirty hostle environments. A pressure switch in the fog head controls its operation. When the switch senses a pressure of at least 3 psi at the liquid feed inlet, it turns on the blower and opens a solenoid valve allowing liquid to flow through a metering... -
Page 3: Installation Planning
SENTINEL II 5700 INSTALLATION PLANNING A Sentinel II installation can contain any number of fog heads, all supplied with liquid from a central source. This can be located wherever convenient. If fogging chemicals must be diluted, you can use a mixing reservoir or inject them in-line with a proportional mixer. Low pressure tubing or other low cost material is used to connect heads to the liquid source. Heads can be operated individually or connected together in zones. Nozzles can be rotated to any discharge angle. A metering valve on each head (open counterclockwise for more flow, larger droplets) is used to set fog proper- ties. Power requirements, piping sizes and valving are determined by the head layout and expected liquid flows. Each head draws 10A at 120VAC (5A at 240V). A head’s effective range (in still air) is 75-100 ft for small droplets, and 30-60 ft for larger ones. Liquid output is 4-10 oz/min for small droplets, and 10-20 oz/min for large. -
Page 4: Continuous Operation
OWNER’S MANUAL Fog Droplet Size It is important to adjust fog droplet size properly for your application. Larger droplets are better for dust control, humidification and sanitizing. However, large droplets settle faster, and heads must be closer together to get even c overage. Small particles are better for such “air mix” applications as odor control and ULV (ultra low volume) pest control; they float extensively, have a large s urface area and evaporate quickly. A metering valve (drawing, p. 5) controls the droplet size of each head’s out- put. Close the valve (turn clockwise) for smaller droplets. Too high a pressure in the liquid feed line will make it harder to adjust for smaller droplet sizes. Install a step-down pressure regulator (see “Theory of Operation”) to solve this problem. -
Page 5: Parts List
SENTINEL II 5700 PARTS LIST Item Part Number Description 120 Volt 240 Volt 1 (a) Pressure Switch (3 psi) 520 Metering Valve 530 3 (a) Relay 540 Motor Brushes (pair) 550 Blower 560 6 (a) Solenoid Valve 570 (a) Behind cover. -
Page 6: Installation
OWNER’S MANUAL INSTALLATION NOTE: Do not drill mounting holes in fog head enclosure. It is designed to be air tight. 1. Mount enclosure where desired with screws or bolts and mounting tabs provided. If you plan to use 3/16” ID tubing for the liquid feed, apply teflon tape to hose barb and screw tightly into fitting on bottom of enclosure. If you plan to use a flare or compression fitting, install the appropriate 1/8” NPT adapter. 2. Mount vortex nozzles to the sides of the unit. Slide the nozzler onto the receptacle on each side. Adjust nozzle to desired direction. To adjust, loosen clamp around nozzle and rotate union. Tighten all band clamps. Insert gray liquid connector into side of box. -
Page 7: Maintenance
SENTINEL II 5700 MAINTENANCE • Replace motor brushes as necessary. MOTOR BRUSH REPLACEMENT FOR THE SENTINEL II 5700 1. Unplug unit to avoid the risk of electric shock. 2. Remove plastic cooling fan cover on the top of the motor. Using a small screwdriver, gently pry back the plastic fingers that hold cover to motor brush housing. 3. Remove the two Phillips screws and brush retaining bracket. 4. Gently loosen and remove lead wire terminal from the brush’s nylon hous- ing. With a small screwdriver, gent l y push the lead wire terminal toward the commutator. If the terminal is stuck in the nylon housing, soften the top of the brush with a heat gun or hair drier and then try to remove terminal. Remove the brush. - Page 8 This product is warranted for one year from the purchase date against defects in materials and workmanship. If you have a warranty claim, return the unit freight prepaid to The Fogmaster Corporation. We will repair or replace (at our option) any defective parts and return the unit to you.
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