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COFFEE PREPARATION PROCEDURES 

(Pour-Over Mode)

1) Place filter into brew basket.
2)  Put the proper amount of coffee into the filter.
3)  Slide the brew basket into holder.
4)  Place empty decanter on warmer located directly under the brew basket and turn corresponding warmer switch ON.

NOTE:

For airpots, open airpot lid, remove pump stem from airpot and place airpot opening directly under center hole 

in brew basket.
5)  Pour decanter of fresh water through pour-in opening at top of brewer.
6)  Hot water will be delivered through the sprayhead. This distributes the hot water evenly over the coffee bed within 

the brew basket. The coffee will drain from brew basket into the container below.

7)  TURN OFF WARMER WHEN NOT IN USE. (Red light indicates warmer is ON.) Not for airpot brewers.
8) Before brewing next pot, remove brew basket from brew rails and dump filter into waste basket.

Auto Series Brewer Manual

Page 5

COFFEE PREPARATION PROCEDURES 

(Auto Mode)

1) Place filter into brew basket.
2)  Put the proper amount of coffee into the filter.
3)  Slide the brew basket into holder.
4)  Place empty decanter on warmer located directly under the brew basket and turn corresponding warmer switch ON.

NOTE:

For airpots, open airpot lid, remove pump stem from airpot and place airpot opening directly under center hole 

in brew basket.
5)  Press Brew switch once then release.
6)  Valve will turn on approximately 1 minute and fill pour-in basin.
7)  Hot water will be delivered through the sprayhead. This distributes the hot water evenly over the coffee bed within 

the brew basket. The coffee will drain from brew basket into the container below.

8)  TURN OFF WARMER WHEN NOT IN USE. (Red light indicates warmer is ON.) Not for airpot brewers.
9) Before brewing next pot, remove brew basket from brew rails and dump filter into waste basket.
10)  Do not press Brew switch more than once during brew cycle.

BREW BASKET RAIL ADJUSTMENT

1) Disconnect power to brewer.
2)  Remove lid and pour-in basin.
3) Loosen nuts for brew rails.
4)  Fit basket in place.
5) Tighten nuts and check basket fit.

BREW VOLUME ADJUSTMENT

1) Disconnect power to brewer.
2)  Remove plug on upper left side of chassis.
3) With a flat head screwdriver, turn dial clockwise slightly to increase volume and counter-clockwise to decrease 

volume.

4)  Reconnect power and run a brew cycle to check volume.
5)  Repeat steps 1-3 if necessary.

Reference timer setting:
Water Pressure (psi)   

Timer setting(sec) 

Volume (oz) 

 

 

 

35 

 

 

 

64 

 

 

 

64

 

 

40 

 

 

 

63 

 

 

 

64

 

 

50 

 

 

 

62 

 

 

 

64

Summary of Contents for AT-2W

Page 1: ...T 2W AT 2WE Drawing 8 AT AP AT APE Drawing 9 AT 3WR AT 3WRE Drawing 10 AT TC AT TCE Drawing 11 Troubleshooting Guide 13 Component Replacement Instructions 14 Grindmaster Corporation 2007 PRINTED IN THAILAND 0307 Form BW 340 02 Part 73254 Prior authorization must be obtained from Grindmaster Corporation for all warranty claims Grindmaster Corporation 4003 Collins Lane Louisville Kentucky 40245 USA ...

Page 2: ......

Page 3: ... your labels is missing or damaged order a replacement label immediately Part 71509 for warmer models only Located near warmer plates Part 71582 Located on rear and top access panels Part 70248 Located on front behind server Part 71949 or 71149 Located on brew basket CAUTION Remove with care Hot liquid in brew basket could cause burns Part 71949 Auto Series Brewer Manual Page 3 Part 71149 ...

Page 4: ... 6 In higher altitude locations 5 000 feet 1 500m above sea level the thermostat may have to be adjusted lower to prevent boiling WARNING Read and follow installation instructions before plugging or wiring in machine to electrical circuit Warranty will be void if unit is connected to any voltage other than that listed on the name plate FILL BREWER TANK WITH WATER BEFORE CONNECTION TO POWER SUPPLY ...

Page 5: ...he brew basket and turn corresponding warmer switch ON NOTE For airpots open airpot lid remove pump stem from airpot and place airpot opening directly under center hole in brew basket 5 Press Brew switch once then release 6 Valve will turn on approximately 1 minute and fill pour in basin 7 Hot water will be delivered through the sprayhead This distributes the hot water evenly over the coffee bed w...

Page 6: ...1 2 Manual Reset 230V Models 57A 73321 1 Decal Main Front AT 2W 18 62238 Bracket Hi Limit 120V Models 57B 73321 Decal Main Front W Switch Power AT 2W 100524 Bracket Hi Limit Manual Reset 230V Models 58 73031 Panel Warmer Top AT 2W 19 73095 Bracket Water Tank 59 73001 Bracket Warmer 20 73057 Gasket Tank O Ring 60 73002 Plate Warmer 21 73096 Thermostat Clip Lock 61 13029 Heater Warmer 120V 100W 22 6...

Page 7: ...WATER TANK ASSEMBLY Auto Series Brewer Manual Page 7 6 1 1 2 1 A 2 4 6 5 7 8 A 9 0 1 B 9 1 1 2 1 3 1 4 1 5 1 3 B 2 2 2 0 2 9 1 8 1 7 1 B 2 3 ...

Page 8: ...al AT 2W AT 2WE PART LIST 6 7 B 2 3 2 4 2 6 5 8 2 B 7 2 A 7 5 9 2 0 3 1 3 A 7 2 4 5 3 5 0 5 3 6 7 4 5 4 2 6 4 4 3 4 0 4 1 4 9 3 7 3 6 3 5 3 4 3 8 5 9 5 1 6 0 6 B 7 5 B 2 3 8 3 A 2 3 A 2 3 9 6 0 7 1 7 2 7 3 1 4 1 4 7 3 7 5 7 6 4 5 5 ...

Page 9: ...LIST Auto Series Brewer Manual Page 9 3 1 4 1 3 2 4 2 5 2 6 2 8 2 A 3 3 9 2 0 3 1 3 A 7 2 1 5 9 4 0 5 2 5 8 4 7 4 5 4 2 4 4 4 3 4 0 4 1 4 9 3 7 3 6 3 5 3 4 3 B 7 2 B 3 3 B 2 3 8 3 9 6 0 7 1 7 2 7 4 7 3 7 5 7 6 7 B 2 6 4 ...

Page 10: ...uto Series Brewer Manual 4 1 3 1 3 2 5 6 8 2 A 7 6 B 7 2 9 2 0 3 1 3 A 2 3 A 7 2 4 5 3 5 0 5 5 5 8 6 7 4 5 4 2 4 4 4 3 4 0 4 1 4 9 3 7 3 6 3 5 3 4 3 6 6 9 5 1 6 0 6 B 2 3 B 7 6 8 3 A 2 3 A 2 3 9 6 4 7 3 7 5 7 6 7 B 2 0 7 1 7 2 7 6 4 64 ...

Page 11: ... Manual Page 11 AT TC AT TCE PART LIST 6 7 3 1 3 2 4 2 5 2 6 2 8 2 A 3 3 B 7 2 9 2 0 3 1 3 9 6 A 7 2 4 5 3 5 0 5 5 5 8 4 7 4 5 4 2 4 4 4 3 4 0 4 1 4 9 3 7 3 6 3 5 3 4 3 B 3 3 B 2 3 8 3 4 1 0 7 1 7 2 7 3 7 4 7 5 7 B 2 6 4 ...

Page 12: ...to Series Brewer Manual 5 5 3 4 3 2 4 2 6 5 8 2 B 7 2 9 2 0 3 1 3 A 7 2 4 5 3 5 0 5 3 6 7 4 5 4 0 4 1 4 9 3 7 3 6 3 5 3 4 3 B 2 3 8 3 A 2 3 A 2 3 9 6 0 7 1 7 2 7 3 1 4 1 4 7 3 7 5 7 6 7 B 2 6 4 9 5 1 6 8 7 9 7 0 6 A 2 3 A 7 7 B 7 7 4 4 ...

Page 13: ... siphoning properly 3 Improper loading of brew basket 1 Are correct filters being used 2 Refer to dripping step 1 3 Filter and coffee in brew basket 1 Use correct filter 2 Refer to dripping step 1 3 Filter should be centered in brew basket and coffee bed should be level Warmer Station 1 Warmer defective 2 Warmer On Off switch 3 Bad harness 1 Voltage at warmer terminals should be 120V 230V for E mo...

Page 14: ... all electrical connections are tight and isolated MAIN THERMOSTAT 1 Disconnect wires and remove tank and tank lid assembly 2 Remove two rear screws mounting tank to tank lid 3 Remove screws which secure thermostat to tank lid 4 Loosen thumb nut securing capillary bulb 5 Remove grommet from top of tank lid by pressing up with thumb and pulling capillary bulb out through hole 6 Reverse steps 1 5 to...

Page 15: ...Auto Series Brewer Manual Page 15 SCHEMATIC WIRING DIAGRAM AT 2W AT 2WE ...

Page 16: ...Auto Series Brewer Manual Page 16 SCHEMATIC WIRING DIAGRAM AT AP AT AP AT TC AT TCE ...

Page 17: ...SCHEMATIC WIRING DIAGRAM AT 3WR AT 3WRE Auto Series Brewer Manual Page 17 ...

Page 18: ...Auto Series Brewer Manual Page 18 SCHEMATIC WIRING DIAGRAM AT 3W AT 3WE ...

Page 19: ......

Page 20: ...everage Dispensers Crathco Cold and Frozen Beverage Dispensers AMW Coffee and Tea Systems Tel 502 425 4776 Fax 502 425 4664 1 800 695 4500 USA Canada only P O Box 35020 Louisville KY 40232 USA www grindmaster com email info grindmaster com Grindmaster Corporation 2007 PRINTED IN USA 0307 Form BW 340 02 Part 73254 ...

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