Grindmaster 73010 User Manual

Item # _______________________________
Project _______________________________
Date _________________________________

Triple Mid Line Urn

Pump Type Brewing System

Models 7303, 7306, 73010
Electric

Features:

• Pump Style Brewing Systems

Water is heated in large water compartment and is sprayed over the
grounds by two independently controlled water pumps.

• Durable Construction

All A.I.S.I. type 304, 18-8 stainless steel

• Constant Brew Temperature

Brew temperature varies less than 5ºF (3ºC) throughout spay over

• Automatic Coffee Agitation

Thoroughly mixes brewed coffee immediately after spray over
is completed

• Automatic refill of water compartment

Water compartment automatically refills and reheats as needed.

• Low water cutoff System

Protects heating elements from burn out, at start-up or in operation.

• Velvet Smooth Spray Arm

Teflon® coating on spray arm piston prevents liming and insures
smooth operation. Positive “stops” on spray arm for operator ease.

• Dual Spray Arms

Two independent brewing systems with two spray arms allows for
simultaneously brewing of regular and decaffeinated coffee.

• Fast Fill Valve

Saves time filling urn during installation.

Easy to operate:

• Fully Automatic – Push Button Operation

Simply load brew basket with coffee, align spray arm over basket
lid hole and press brew start button.

• Adjustable Bypass valve on spray arm

Enables proper coffee extraction even with variable water conditions

• Dial Thermometer with color-marked brew zone

• Thermostat adjustable from front

Knob on thermostat has four marked positions: Brew, Hold,
Night Standby and Off.

Serviceable:

• Drain valve in bottom

• Control drawer with all electronic components is
accessible from side

Mid Line Urn

Triple Automatic Coffee Urns
Pump Type Brewing System

Grindmaster® Coffee Grinders and Brewers • PrecisionBrew™ Brewing Systems • Espressimo® Espresso Machines

Crathco® Hot Beverage Dispensers • Crathco® Cold and Frozen Beverage Dispensers • AMW Coffee and Tea Systems

Tel [phone] • Fax [phone] • 1-800-695-4500 (USA & Canada only)

P.O. Box 35020 • Louisville, KY 40232 • USA

www.grindmaster.com • email: [e-mail]

© Grindmaster Corporation, 1995
PRINTED IN USA

0807 Form # AM-206-04

Multiple Faucet Options

Opt. TS-1 2C, 1W, 1D Back/Rear, No Gauge
Opt. TS-2 2C, 1W, 1D Back/Rear, with Gauge
Opt. TS-3L 1C, 1W, 1D Back/Rear, No Gauge, w/ selecta-flow
Opt. TS-3XL 2C, 1W, 1D Back/Rear, No Gauge, w/ selecta-flow

Fast Fill Options

Opt. 56 Jug Fill Funnel and Chain (18” long)
Opt. 57 Gravity Jug Fill Hose Assembly (6’ long)
Opt. 70T1 High Speed Jug Fill-Coffee Only

(110V cord and plug supplied)

Opt. 70T2 High Speed Jug Fill-Coffee and Water

(110V cord and plug supplied)

Opt. 70T3 High Speed Jug Fill-Coffee and Decaf

(110V cord and plug supplied)

Opt. 70T4 High Speed Jug Fill-Coffee/Water/Decaf

(110V cord and plug supplied)

Brew Basket Selection Chart

Brews 3 Gal. 6 Gal. 10 Gal.

1/2 Batch
on 3 Gal.

1/2 Batch
on 6 Gal.

1/2 Batch

on 10 Gal.

Part No. BB3 BB6 BB810 BB3-1.5 BB6-3 BB810-6

NOTE: All SS permanent filter brew basket with SS woven wire cloth bottom
is available. Filter paper is available from our stock. See price list. Two brew
baskets included as standard equipment.

Model No. 7303 7306 73010

Coffee Capacity (each liner) 3 gal. 6 gal. 10 gal.
Gallons/Hour* (standard heat) 27 36 50
Number of 5 oz. Cups/Hour 675 900 1280

* Based on spraying over amount of water equal to capacity of liner.
Consult factory for highest wattage heater to increase production rate.

Electric Heat

Specify electric service desired. Standard is dual voltage 120/240V or
120/208V single phase 3 wire (neutral wire required). Watts and amps as shown.
Note: A ground wire must be provided in addition to wire service shown.

Model

Number

A B C D E F G H

Work

Height

Overall

Height

7303 46” 23” 15-1/4” 7-5/8” 15-1/2” 7-3/4” 18-3/4” 22-1/4” 22” 27-1/2”
7306 51-1/4” 25-5/8”16-3/4” 8-3/8” 17-1/4” 8-5/8” 20-1/4” 23-3/4” 28” 33-1/2”

73010 51-1/4” 25-5/8” 16-3/4” 8-3/8” 17-1/4” 8-5/8” 20-1/4” 23-3/4” 30” 37”

Design Specification (Fill in the blanks)

Coffee urn, fully automatic triple _____________________ gallons
each coffee liner. Electric service __________________. All controls
to be located in recessed base of urn and to operate on 120VAC.
All AISI 304, 18-8 stainless steel construction. To include: automatic
refill, automatic agitation, bypass on spray arms, two stainless steel
brew baskets for paper filters. Special half-batch brewing capability
& color coded faucets: Black-Regular Coffee, Orange-Decaf Coffee,
Red-Hot Water.

*Safety Interlocking Linkage On Selecta-Flow

Interlocking linkage on selector valves assures that when left liner
valve is open, the right liner selector valve is closed and vice versa.

240 Volt 120/208 Volt 480 Volt

120/240 Volt 120/208 Volt 3-Phase 3 Wire 3-Phase 4 Wire 3-Phase 3 Wire

1-Phase 3 Wire 1-Phase 3 Wire Specify Opt. 21B Specify Opt. 21A Specify Opt. 21C

Model KW Amps KW Amps Model KW Amps KW Amps KW Amps

7303 8 34 6 29 7303 10.5

†

25 8 22 12

†

14

7306 11.5 48 8.5 41 7306 12

†

29 11.5* 31 12

†

14

73010 15 63 15 72 73010 15†* 36 15* 42 12

†

18

* No extra charge
Or Opt. 2200P step down transformer.

†

Separate 3 wire 120V cord and plug for control circuit.

FAUCETS ON SELF SERVICE
ONLY WHEN SPECIFIED

3/8” FPT
WATER INLET

SELF SERVICE
SIDE

Consult Factory
for Current
Roughing-in
Drawing

Faucet
Clearance ­11” Minimum

Do not run pipes or conduit under
center of urn - keep clear for service.

A

B

18” 17 3/4”

E E

OPERATOR
SIDE

F F

UTILITY CONNECTIONS
ARE FLUSH WITH
BOTTOM OF URN.

ELECTRIC
INPUT

3 1/2”

3”

C

G

H

4”

3 1/2”

OUTLET

INLET

D