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Grindmaster 850 - page 1
1 104 Form # AM-324-03 American Met al W are ® Hot W ater Boiler Inst allation, Operation & Service Manual For Models 815, 830, 850 Gas Electric S team S pecial Features After completing inst allation and set-up, the equipment owner should keep this manual for future reference. © Grindmaster Corporation™, 1995 PRINTED IN USA Grindmaster Cor ...
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Grindmaster 850 - page 2
Page 1 American Met al W are Hot W ater Boiler Electric Models 815, 830, 850 Equipped with Option 46 Automatic Refill Option 39 Low W ater Cut-Off System General Description This unit is a high temperature hot water boiler . It consists of a non-pressure, vented water compartment into which is inst alled an electric immersion heater thermostaticall ...
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Grindmaster 850 - page 3
American Met al W are Hot W ater Boiler Page 2 TO CHECK REFILL RA TE, allow water to fill to stop/full level automatically; then turn of f master switch. Draw off 1 gallon of water from faucet. Turn master switch back on and time how long it takes for the water level to come up to stop/full mark again. Comp are time with chart provided and adjust a ...
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Grindmaster 850 - page 4
Page 3 American Met al W are Hot W ater Boiler ...
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Grindmaster 850 - page 5
American Met al W are Hot W ater Boiler Page 4 Thermost at Factory set so that knob on BREW setting holds unit at brewing temperature toward HIGH end of brew zone on thermometer dial. Then, if turned back to HOLD position, thermost at should cycle on and off and hold at LOW 'end of BREW zone on thermometer . Thermost at Adjustment 1. 2. If wat ...
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Grindmaster 850 - page 6
Page 5 American Met al W are Hot W ater Boiler Service Instructions PROBLEM: THERMOST A T DIAL TURNED T O BREW AND W A TER IN COMP ARTMENT REMAINS COLD POSSIBLE CAUSE 1. 2. PROBLEM: W A TER BOILS CONTINUOUSL Y WITH THERMOST A T DIAL ON POSITION BREW OR HOLD. POSSIBLE CAUSE 1. 2. 3. Set knob on BREW and remove knob by pulling outward. Using small sc ...
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Grindmaster 850 - page 7
American Met al W are Hot W ater Boiler Page 6 Dual Level Control Auto Refill And Low W ater Cutoff System I) II) Dual Level Control: What it does: Description and Operation of Dual Level Control System: A. B. C. A. AUTO REFILL of the water comp artment to keep the tank filled with water . When water is used, the fill valve opens automatically to l ...
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Grindmaster 850 - page 8
Page 7 American Met al W are Hot W ater Boiler II) III) Quick Service Check of Dual Level Control System: Description and Operation of Dual Level Control System (continued) B. Operation W ater Level Action 1) Below both electrodes 1) 2) Rises to low electrode 2) above heater coils 3) Rises to high electrode 3) 4) Falls below high electrode only 4) ...
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Grindmaster 850 - page 9
American Met al W are Hot W ater Boiler Page 8 A) B) C) Overfilling of water tank when power is off. Overfilling of water tank only when power to unit is on. Auto refill fails to fill water tank. PROBLEM IV) T rouble Shooting Auto Refill, Low Water Cutof f, and Dual Level Control System POSSIBLE CAUSE SERVICE CHECK REMEDY 1) 2) 1) 2) 3) 4) 1) 2) Fi ...
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Grindmaster 850 - page 10
Page 9 American Met al W are Hot W ater Boiler C) D) Auto refill fails to fill water tank (continued). Auto Refill is erratic. PROBLEM IV) T rouble Shooting Auto Refill, Low Water Cutof f, and Dual Level Control System (continued) POSSIBLE CAUSE SERVICE CHECK REMEDY 3) 4) 5) 6) 7) 8) 1) 2) 3) W ater strainer clogged. No power on Dual Level Control. ...
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Grindmaster 850 - page 11
American Met al W are Hot W ater Boiler Page 10 NOTE: The level control board works on the principle that water is conductive and with some pure water inst allations, an increased senseitivity may be required in the level control system. Consult factory if this be the case. If you still need help, call our service department at (800) 568-5715 Ext. ...
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Grindmaster 850 - page 12
Page 1 1 American Met al W are Hot W ater Boiler Read installation instructions- thoroughly . Failure to comply can result in valve failure or system damage or personal injury . Do not use solenoid valves on applications or fluid media not specifically cataloged without prior approval of Alco Engineering Department. W ARNING: DO NOT USE WITH FLAMMA ...
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Grindmaster 850 - page 13
American Met al W are Hot W ater Boiler Page 12 Diassembly Disassemble in the same general order as indicated in exploded-view illustrations except as noted in the following steps: 1. 2. 3. 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. 2. 3. T roublesho ...
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Grindmaster 850 - page 14
Page 13 American Met al W are Hot W ater Boiler Part s List 815, 830, 850 - Electric, Gas or S team Heat AMW Part # Description 522004 Aluminum Gauge Shield Only for 815 - 5/8” x 13” 522006 Aluminum Gauge Shield Only for 830 - 5/8” x 16” 522010 Aluminum Gauge Shield Only for 850 - 5/8” x 20” 522034 Gauge Glass Only for 815 - 5/8” x 13 ...
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Grindmaster 850 - page 15
American Met al W are Hot W ater Boiler Page 14 RED HEA T FILL H H XL HI C GREEN ...
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Grindmaster 850 - page 16
Grindmaster® Coffee Grinders and Brewers • Espressimo® Espresso Machines • Crathco® Hot Beverage Dispensers Crathco® Cold and Frozen Beverage Dispensers • American Metal Ware® Coffee and Tea Systems Tel (502) 425-4776 • Fax (502) 425-4664 • 1-800-695-4500 P.O. Box 35020 • Louisville, KY 40232 • USA www.grindmaster.com • email: ...
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