AMW 815 Installation, Operation & Service Manual Download Page 1 | Manualshive

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1104 Form # AM-324-03

American Metal Ware

®

Hot Water Boiler

Installation, Operation & Service Manual

For

Models 815, 830, 850

Gas

Electric Steam

Special Features

After completing installation and set-up, the

equipment owner should keep this manual for

future reference.

© Grindmaster Corporation™, 1995
PRINTED IN USA

Grindmaster Corporation™

4003 Collins Lane

Louisville, Kentucky 40245 USA

(502) 425-4776

(800) 695-4500

(USA and Canada only)

(800) 568-5715

(technical service only)

FAX: (502) 425-4664

www.grindmaster.com

X

TABLE OF CONTENTS

General Description.................................1
Installation...............................................1
Thermostat..............................................4

Adjustment..................................4

Service Instructions.................................5
Dual Level Control...................................6
Troubleshooting.......................................7
Solenoid Valve

Safety Instructions.....................11
Installation..................................11
Disassembly..............................12
Assembly...................................12
Troubleshooting.........................12
Cleaning....................................12
Testing.......................................12
Repair Kits.................................12
Coils..........................................12

Parts List...............................................13

1
2
3
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Summary of Contents for 815

Page 1: ... USA Grindmaster Corporation 4003 Collins Lane Louisville Kentucky 40245 USA 502 425 4776 800 695 4500 USA and Canada only 800 568 5715 technical service only FAX 502 425 4664 www grindmaster com X TABLE OF CONTENTS General Description 1 Installation 1 Thermostat 4 Adjustment 4 Service Instructions 5 Dual Level Control 6 Troubleshooting 7 Solenoid Valve Safety Instructions 11 Installation 11 Disas...

Page 2: ...age phase and number of wires matches supply lines Remove cover on control housing Terminal block for line connections located in housing on right end See drawing as required It is rec ommended that a fused disconnect switch be installed near urn Urn body must be grounded either through metallic conduit or else by means of ground wire An experienced electrician should be responsible for the instal...

Page 3: ...master switch back on and time how long it takes for the water level to come up to stop full mark again Compare time with chart provided and adjust accordingly Installation cont 5 Factory setting HEATER SIZE OR EQUIV STEAM USE 5 5KW 208 Volt or 7KW 240 Volt 12KW 15KW COLD WATER CONNECTION 3min 30sec 1min 50 sec 1min 25sec TIME TO REFILL 1 GALLON HOT WATER CONNECTION 1min 25sec 45sec 35sec ...

Page 4: ...Page 3 American Metal Ware Hot Water Boiler ...

Page 5: ...river insert in hole in center of shaft turn slotted screw counter clockwise until red pilot light goes on Check to see that water in unit holds at HIGH end on BREW zone on thermometer and does not boil If water boils with thermostat knob set at the BREW position remove knob by pulling straight outward Using a small screwdriver insert into hole in center of shaft turn slotted screw clockwise until...

Page 6: ...ck on and off If it sticks replace Thermostat out of calibration Thermostat is inoperative Fluid has leaked out of diastat assembly of thermostat Relay sticking in closed position No power at urn Power at urn but no power at heater terminals Check main switch Check main fuses 3 on 3 phase power 2 on single phase power Check that Pilot Light by On Off switch is ON Check control circuit fuse Check t...

Page 7: ...tomatically switches off The heat stays off until more water is added A device called a DUAL LEVEL CONTROL keeps the tank filled with water and turns off the heat when water is low by simultaneously monitoring two different water levels Components 1 DUAL LEVEL CONTROL 2 ELECTRODE ASSEMBLY 3 METAL ENCLOSURE TANK BODY switches power to both the thermostat and water inlet solenoid valve by sensing ch...

Page 8: ...turned on Power to fill valve remains on HI electrode circuit closes Dual Level Control turns power off to fill valve and continues power to thermostat HI electrode circuit opens XL circuit stays closed After a few seconds delay power to fill valve is turned on XL electrode circuit now opens Power to thermostat is turned off Power to fill valve remains on All wire secure and properly connected Cle...

Page 9: ...l to metal enclosure stops fill Jumper C terminal next to XL to metal enclosure stops fill Visual Jumper from HI to C does not stop fill Nothing operates on machine Crack fitting at water inlet for pressure check Disassemble and clean out May require new plunger assembly Caution is advised to avoid damage to valve See valve instruction sheet On valves without integral strainer Install so that port...

Page 10: ...HI terminal Tank does not fill with electrode wire disconnected from HI terminal Tank fills with electrode wire disconnected from HI terminal Visual Check for C and HI probe terminals as well as FILL Also check neutral white wire at valve Tank does not fill with electrode wires disconnected from XL and H terminals Remove and clean micromesh screen filter located in water strainer If voltage missin...

Page 11: ...r inoperative Low electrode faulty or covered with lime scale Dual Level Control faulty Thermostat and fill valve connected to wrong terminals on Dual Level Control Electrode s shorting to ground Dual Level Control faulty Visual Jumper across thermostat terminals causes heat to come on Check for voltage 120V AC across coil terminals Jumper from XL terminal to metal enclosure allows unit to heat Ju...

Page 12: ...unting the valve upright there is less chance of malfunction caused by the collection of foreign material 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 To allow for removal of the solenoid co...

Page 13: ...solenoid valves are equipped with a contlnuous duty solenoid coil which when energized for an extended period of time becomes hot to the touch this is a safe operating temperature Any excessive heating will be indicated by smoke and odor of burning coil Insulation Are all system relays operating Is system source pressure as specified Are all system components free from obstructions Check system fu...

Page 14: ... 815 830 712 007 Electrode Assembly for 850 505021 Adjustable Water Flow Regulator 1 4 NPT 504001 Thermostat 515017 Red Pilot Light 537 060 Solenoid Valve Water Inlet 537 061 Repair Kit for Solenoid 515012 On Off Master Switch Electric Heat Only 514009 Heater Contactor 3 Pole 514005 Heater Contactor 4 Pole Control 515043 Control Circuit Transformer 515072 Circuit Breaker 535 ____ Heater specifiy m...

Page 15: ...American Metal Ware Hot Water Boiler Page 14 RED HEAT FILL H H XL HI C GREEN ...

Page 16: ...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 info grindmaster com ...

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