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Anleitung Grindmaster, modell 850

Hersteller: Grindmaster
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Anleitung Zusammenfassung


6. CAUTION: Always disconnect power source and depressurize the system before working on solenoid valve or system. If the power disconnect is out-of-sight, lock it in the open position and tag to prevent unexpected applications of power. 7. Direction of flow must correspond to flow Direction Schematics. 8. Before energizing valve, be sure source voltage and frequency matches that on coil. Do not energize coil unless coil is securely attached to valve. See Coil Installation Instructions. 9. Prolonged use in excessive ambient temperature or humidity may damage coils. 10. Do not dent or bend or use enclosing tube as lever. A damaged enclosing tube may result in coil burnout or inoperative valve. 11. Foreign matter in the valve may result in seat leakage, sticking open or closed, or coil burnout. To prolong valve life and ensure system cleanliness use a strainer. Installation Valve and Solenoid Position 1. For ease of installation, an Alco solenoid valve can be installed in any position...gravity does not affect its operation. NOTE: Although all valves can be operated in any position, by mounting the valve upright there is less chance of malfunction caused by the collection of foreign material. 2. The solenoid coil can be rotated 360O for ease of wiring. If possible do not reduce thelength of the solenoid coil wire leads, so that if it becomes necessary to remove coil at a later date (for valve cleanout, etc), wire leads will not have to be disconnected. 3. To allow for removal of the solenoid coil without removing the valve from its piping, allow at least 2 inches of clearance above the solenoid. 4. Be sure valve is installed so that its flow arrow on valve body corresponds to direction of flow through piping. FLUID TEMPERATURE RATING FO Elastomer Coil Code Code AMG, AMC AHG, AHC B 180 P 250 N 180 F 180 T 385 V 250 Identify valve elastomer code and coil code from valve model number and reference rating from table. Valves are rated for use on air or other non-hazardous, non-toxic fluids, water and other aqueous, non-hazardous fluids, and steam. Coil Installation Instructions 1. Before removing coil from valve, disconnect electrical power source. Failure to do so will cause coil to burn out. 2. Verify coil type, voltage and frequency. This information appears on the coil nameplate. 3. Place coil over the enclosing tube. Coil may be rotated 360O for easy wiring. It is recommended that coil lead connections be soldered on D.C. and 24V - 50/60 Hz. applications. 4. Install valve nameplate. Pull tab on valve nameplate and peel off paper backing to expose adhesive. Stick nameplate on top of coil housing and press nameplate down firmly. If installing replacement coil, use valve nameplate supplied with valve. Press nameplate down firmly. 5. Install voltage nameplate and coil retainer. Press coil retainer down firmly to secure coil. Wiring 1. Be sure your wiring conforms to all local and national electric codes. 2. For dual voltage coils, refer to the wiring schematic label on side of coil. 3. The coil circuit of each solenoid valve should be protected by adequate fuses. WARNING If not properly grounded, a hazard of electrical shock may exist. Install and ground unit in compliance with National, state, and local electrical codes. Page 11 American Metal Ware Hot Water Boiler ALCO CONTROLS DIVISION • EMERSON ELECTRIC CO. P.O. BOX 12700 • ST. LOUIS, MISSOURI 63141 • 314-569-4500 CUSTOMER SERVICE • 314 569 4666 Diassembly Disassemble in the same general order as indicated in exploded-view illustrations except as noted in the following steps: 1. De-pressurize valve and disconnect electrical power source. 2. To remove solenoid coil: Insert small screwdriver into gap in voltage nameplate. Slide screwdriver tip under coil retainer and snap off. If replacing coil, use knife to separate adhesive-backed valve nameplate from coil. Keep valve nameplate. 3. To remove collar, use service tool X11981-1 shown in Figure 1. Notes: Do NOT Lose Nameplate, as it is extremely important if it becomes necessary to order a parts kit, coil or duplicate valve . Assembly 1. Assemble in the reverse general order of disassembly. 2. Lubricate gasket and "O" ring sparingly with a compatible lubricant such as a Silicon base lubricant. 3. All moving parts, must move freely over the full length of its intended travel. Troubleshooting 1. Check system fuses, electrical wiring and system source voltage as specified. 2. Is flow direction arrow on valve the same as system flow direction? Figure 1 COIL RETAINER NAME PLATE SERVICE TOOL (K) COIL ASSEMBLY COLLAR “O” RING (K) ENCLOSING TUBE PLUNGER AND SPRING ASSEMBLY (K) GASKET (K) BODY (K) INDICATES ITEMS INCLUDED IN REPAIR KIT Cleaning As with all valves, it may become necessary to clean them periodically to keep them in peak operating condition. Any cleaning methods or fluids used should be compatible with valve materials. Inspection 1. All moving parts and elastomers should be clean in appearance without perman...

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