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American Metal Ware
Operation and Instruction Manual
TABLE OF CONTENTS
Warning Labels ........................................2
Start Up Procedures .............................3-6
Operation ..............................................6-7
Adjustments ..........................................7-9
Care and Cleaning............................10-12
Service ..............................................12-13
Troubleshooting ................................14-18
Installation Rough-In Drawings ..............19
Exploded Views ................................20-25
Wiring Diagrams ...............................26-27
Prior authorization must be obtained
from Grindmaster Corporation
for all warranty claims.
© Grindmaster Corporation, 1998
PRINTED IN THE USA
for
Model: P400GNB-E
Brewers
®
Model P400GNB-E
Grindmaster Corporation
4003 Collins Lane
Louisville, KY 40245
(502) 425-4776
(800) 695-4500
(800) 568-5715 (Technical Service Only)
FAX (502) 425-4664
www.grindmaster.com
1103 Form #AM-352-04
Part # A090-094
ECN # 1091
Rev. Rel.
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Summary of Contents for Grindmaster American Metal Ware P400GNB-E
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Page 1: Table Of Contents
Grindmaster Corporation 4003 Collins Lane Louisville, KY 40245 (502) 425-4776 (800) 695-4500 (800) 568-5715 (Technical Service Only) FAX (502) 425-4664 www.grindmaster.com 1103 Form #AM-352-04 © Grindmaster Corporation, 1998 Part # A090-094 PRINTED IN THE USA ECN # 1091 Rev. Rel. -
Page 2: Warning Labels
Warning Labels The following warning and caution statements are contained in different sections of this manual. Please read this manual and follow all safety precautions when operating or servicing this equipment. ! WARNING: ELECTRIC SHOCK HAZARD ONLY QUALIFIED SERVICE PERSONNEL SHOULD PERFORM INSTALLATION OF THIS APPLIANCE. -
Page 3: Start Up Procedures
Start Up Procedures ! WARNING: ELECTRIC SHOCK HAZARD! ONLY QUALIFIED SERVICE PERSONNEL SHOULD PERFORM INSTALLATION OF THIS APPLIANCE. IMPROPER INSTALLATION COULD RESULT IN ELECTROCUTION. See rough-in drawing in this manual for dimensions and locations of electrical and water input. Set-up / Position 1) Remove the brewer from the packing material and attach the 4”... - Page 4 Start Up Procedures (cont.) ! WARNING: ELECTRIC SHOCK HAZARD NEVER USE THE GROUND CONDUCTOR AS A NEUTRAL. THIS COULD CAUSE ELECTROCUTION. 5) The body of the brewer must be grounded. A ground lug is provided for this purpose. Initial Start-up 1) Turn on the water supply to the brewer.
- Page 5 Start Up Procedures (cont.) NOTE : After stopping the cycle prematurely, there may be a period of time needed to wait for the drip through of hot water to occur. This is a result of the brew basket collecting the hot water during a normal brewing cycle.
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Page 6: Operation
Start Up Procedures (cont.) Brewer Selector Switch The brewer selector switch is a 2 position slide switch located on the main controller. It is used to select the left or right side timers for programming. In the left position, the left brew station is being programmed; in the right position, the right brew station is being programmed. -
Page 7: Adjustments
Operation (cont.) CAUTION: HOT LIQUID HAZARD COFFEE BASKET CONTAINS VERY HOT LIQUID UNTIL THE DRIP-THROUGH IS COMPLETED. EARLY REMOVAL OF THE BASKET COULD RESULT IN BURNS. 8) Dump the grounds from the basket and rinse for the next brew. Coffee is ready to serve. 9) The shuttle may be placed on remote warming stations. - Page 8 Adjustments (cont.) Water Temperature Adjustment Brew water temperature can be adjusted by turning the knob on the main controller located behind the controller access panel. Temperature adjustment range is 175 F - 202 F. Adjustment for temperature should be made after measuring the temperature of the water dispensed from the sprayhead by the following procedure: 1) Remove the sprayhead from the brewer and set aside.
- Page 9 Adjustments (cont.) Bypass Adjustment (Refer to Figure C) The bypass valve adjusts the amount of water that bypasses coffee grounds and dilutes the final brew. The factory setting is no bypass. Bitter coffee is brewed when the amount of ground coffee is too small. Therefore, if your coffee is brewing too strong, it is better to adjust the bypass valve instead of reducing the amount of coffee.
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Page 10: Care And Cleaning
Care and Cleaning ! WARNING: BURN HAZARD HOT LIQUIDS AND SURFACES ARE PRESENT IN THIS EQUIPMENT. TO AVOID BURNS USE CAUTION WHEN CLEANING. RINSE HOT PARTS WITH COLD WATER BEFORE CLEANING. USE GLOVES OR HEAVY CLOTH WHEN REMOVING HOT PARTS FROM BREWER. - Page 11 Care and Cleaning (cont.) ! WARNING: ELECTRIC SHOCK HAZARD DANGEROUS ELECTRIC VOLTAGES ARE PRESENT NEAR COMPONENTS TO BE CLEANED AND SANITIZED. ONLY QUALIFIED SERVICE PERSONNEL SHOULD PER- FORM THIS SERVICE. POWER TO THE UNIT MUST BE DISCONNECTED PRIOR TO CLEANING AND SERVICING THIS UNIT. The service technician must perform the following: - Clean and sanitize the hopper cradle assembly - Clean and sanitize the grinder mechanism (both stations)
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Page 12: Service
Care and Cleaning (cont.) NOTE : Care should be taken not getting the grinder motor wet. Also, the person cleaning the parts should do so with clean hands. 4) To reinstall the feedworm assembly, slide the feedworm onto the motor shaft. Rotate the feedworm so the sweeps line up with the notches in the grind head. - Page 13 Service (cont.) The remainder of this manual contains information to aid the service person making repairs to this equipment. This page has information on performing common service tasks. A Troubleshooting section follows and can be used to help determine the cause of problems with the equipment. An illustrated parts breakdown follows and will help correctly identify replacement parts.
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Page 14: Troubleshooting
Troubleshooting The following procedures must be performed by a qualified service technician. BREWING PROBLEMS Possible Causes Problem Solutions Weak coffee • Not enough coffee used. • Readjust coffee portion. • Grind is too coarse. • Readjust grind to a finer grind. •... - Page 15 Troubleshooting (cont.) BREWING PROBLEMS Possible Causes Solutions Problem Brew volume • Water supply pressure fluctuates. • Plumb water supply so that water pres- erratic sure is not significantly affected by other appliances. • Fill valve faulty or clogged. • Check for power at fill valve when unit is (NOTE: Small calling for water.
- Page 16 Troubleshooting (cont.) FILLING PROBLEMS Possible Causes Problem Solutions Overfilling of water • Fill valve installed backwards. • Check direction of flow printed on valve. tank when power is Water flows from the water supply to the water tank bottom. • Fill valve not sealing properly. •...
- Page 17 Troubleshooting (cont.) GRINDING PROBLEMS Possible Causes Problem Solutions No coffee being • Pull bean shut-off valves forward to open • Bean shut-off valve pushed closed. discharged into passageway. brew basket • White and blue wires go to the left grinder •...
- Page 18 Eastern time) or an authorized service center in your area. Please have the model and serial number ready so that accurate information can be given. Prior authorization must be obtained from Grindmaster Corporation’s Technical Services Department for all warranty claims.
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Page 19: Installation Rough-In Drawings
Installation Rough-In Drawings P400GNB-E Page 19 American Metal Ware P400GNB-E ®... -
Page 20: Exploded Views
Exploded View P400GNB-E American Metal Ware P400GNB-E Page 20 ®... - Page 21 Exploded View P400GNB-E Brewing Assembly Page 21 American Metal Ware P400GNB-E ®...
- Page 22 Exploded View P400GNB-E Electric Controls American Metal Ware P400GNB-E Page 22 ®...
- Page 23 Exploded View P400GNB-E Grinding Assembly Page 23 American Metal Ware P400GNB-E ®...
- Page 24 Exploded View P400GNB-E Control Panel Assembly American Metal Ware P400GNB-E Page 24 ®...
- Page 25 Other Exploded Views Warmer Shelf Assembly Digital Control Board Assembly ITEM Hopper/Cradle Assembly Page 25 American Metal Ware P400GNB-E ®...
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Page 26: Wiring Diagrams
Wiring Diagram P400GNB 208/230VAC Single/Three Phase Wiring American Metal Ware P400GNB-E Page 26 ®... - Page 27 Wiring Diagram P400GNB 208/230VAC single/three phase wiring with “no neutral” option Page 27 American Metal Ware P400GNB-E ®...
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