Grindmaster 850, 815, 830 service manual American Metal Ware Hot Water Boiler

Page 11

American Metal Ware Hot Water Boiler

Page 10

IV) Trouble Shooting Auto Refill, Low Water Cutoff, and Dual Level Control System (continued)

PROBLEM

POSSIBLE CAUSE

SERVICE CHECK

REMEDY

 

 

 

 

 

E) Tank fills with water,

1)

Thermostat off.

Visual.

Make sure knob is turned fully clockwise.

but heat does not come

 

 

 

 

2)

Thermostat inoperative

Jumper across thermostat

Recalibrate thermostat. If no remedy, or ther-

on.

 

 

or out of calibration.

terminals causes heat to

mostat does not cycle, replace.

 

 

 

come on.

 

 

 

 

 

 

 

3)

Power relay or

Check for voltage

If correct voltage, replace coil or entire device.

 

 

contactor inoperative.

(120V AC) across coil

If not correct voltage, check for loose wires,

 

 

 

terminals.

improper wiring or other cause.

 

 

 

 

 

 

4)

Low electrode faulty

Jumper from “XL”

Clean electrodes. Check wiring. If still no

 

 

or covered with lime

terminal to metal

remedy, replace electrode assembly.

 

 

scale.

enclosure allows unit

 

 

 

 

to heat.

 

 

 

 

 

 

 

5)

Dual Level Control

Jumper from “XL”

Replace Dual Level Control.

 

 

faulty.

terminal to “C” does not

 

 

 

 

cause unit to heat.

 

 

 

 

 

 

F) No water in tank, but

1)

Thermostat and fill

Visual

Thermostat (brown wire) must be

heat comes on (heater

 

valve connected to

 

connected to “HEAT” and fill valve (black wire)

damage likely).

 

wrong terminals on

 

to “FILL”.

 

 

Dual Level Control .

 

 

 

 

 

 

 

 

2)

Electrode(s) shorting

Disconnecting wire

Replace electrode assembly. If no

 

 

to ground.

(white) from “C” probe

remedy, check for improper wiring (cut insula-

 

 

 

terminal provides low

tion for instance), or electrode tips touching

 

 

 

water heat cutoff and

metal inside tank.

 

 

 

tank fill.

 

 

 

 

 

 

 

3)

Dual Level Control

Heat comes on with no

Replace Dual Level Control.

 

 

faulty.

probe wires (HI, XL, C)

 

 

 

 

connected.

 

 

 

 

 

 

NOTE: The level control board works on the principle that water is conductive and with some pure water installations, 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. 3 or (505) 425-4776 (Monday through Friday,

8 am - 6 pm EST) or an authorized service center in your area. Please have the model number and serial number s ready so that accurate information may be given.

Prior authorization must be obtained from Grindmaster Corporation’s Technical Services Department for all warranty claims.

Page 10 Page 12
Image 11
Page 10 Page 12
Contents Models 815, 830 General Description InstallationTime to Refill 1 Gallon American Metal Ware Hot Water Boiler Thermostat Thermostat AdjustmentPossible Cause Service InstructionsDual Level Control Auto Refill And Low Water Cutoff System Onoff Problem Possible Cause Service Check Remedy American Metal Ware Hot Water Boiler American Metal Ware Hot Water Boiler Safety Instructions Installation and Service INSTRUCTIONS53.20.10Cleaning DiassemblyAssembly Troubleshooting815, 830, 850 Electric, Gas or Steam Heat Parts ListRED Green XL HI C Heat Fill H H

830, 850, 815 specifications

The Grindmaster 850, 830, and 815 are sophisticated coffee grinders designed for both commercial and professional use. These models are revered for their consistency, precision, and durability, catering to the diverse needs of coffee enthusiasts and baristas alike. Each of these grinders embodies cutting-edge technology that enhances the coffee brewing experience.

One of the standout features of the Grindmaster series is its use of high-quality burrs. The 850 and 830 models are equipped with flat ceramic burrs, which ensure a uniform grind size, preserving the essential flavors and aromas of the coffee beans. The Grindmaster 815, on the other hand, incorporates conical burrs that cater to those seeking a specific grind profile, ideal for various brewing methods. This flexibility in grind size allows users to extract the best possible flavor from their coffee.

The Grindmaster grinders are built with user-friendly interfaces. The digital control panel allows baristas to easily adjust the grind settings and monitor the grinding process. With programmable options, these grinders can be tailored to meet the needs of different coffee blends, ensuring that each cup is brewed to perfection. The models also feature timed grinding, allowing for consistency in dosing, which is crucial in high-volume environments.

Durability is another hallmark of the Grindmaster grinders. Constructed with robust materials, these machines are designed to withstand the demands of busy coffee shops. The motors are powerful, ensuring a quick and efficient grinding process, thus minimizing wait times for customers. Additionally, the grinders are designed to be easy to maintain, with removable parts that facilitate cleaning and replacement when necessary.

Another prominent characteristic of the Grindmaster 850, 830, and 815 is their sleek and professional design. These grinders not only perform exceptionally but also serve as an attractive addition to any coffee setup. The stainless steel exterior adds an elegant touch while ensuring longevity and resistance to wear.

In summary, the Grindmaster 850, 830, and 815 are exemplary machines that marry advanced technology with user convenience. High-quality burrs, flexible grind settings, and stylish designs make them suitable for both commercial and specialty coffee environments. Whether you are looking to enhance a café's offerings or perfect your home brewing, these grinders are an excellent choice that guarantees quality and efficiency in every grind.
Top Page Image Contents