Vulcan C24EA6 User Manual download pdf (Page 3)

MODEL C24EA - GENERAL

F35453 (July 2008)Page 3 of 68

GENERAL

INTRODUCTION

This manual is applicable to the models and ML

numbers listed on the cover page. Procedures apply

to all models unless specified otherwise.

Steam Cooking

Convection steamers offer an efficient way to

produce many foods in either small portions or larger

batches. Convection steam cooking will steam cook

fresh foods or will steam defrost and cook frozen

foods providing the maximum color, flavor and

nutritional value with the least expenditure of energy

and labor. The atmospheric steaming compartment

allows the operator to open and close the door

anytime during a cooking cycle. The generator

heating elements will shut off when the door is

opened then re-start when the door is closed.

MODELS COVERED

Model Designations (based on 2.5 inch pan

depth)

C24EA6 - Six pan (3 pans per compartment)

C24EA10 - Ten pan (5 pans per compartment)

SPECIFICATIONS

All C24EA steamers, with exception of 480V

steamers, are shipped pre-wired for 208/60/3

operation. Steamer heating element wiring change is

required if connecting to 208/60/1, 240/60/1 or

240/60/3 electrical service.

ELECTRICAL SPECIFICATIONS

Volts Phase

C24EA6 C24EA10

Total

Amps

Total

Amps

208 1 16.9 81 25.6 121

240 1 19.0 79 25.6 110

208 3 16.9 48 25.2 72

240 3 19.0 51 25.6 67

480 3 17.2 21 25.6 32

NOTES:

1. Voltage values are @ 60HZ.

2. Heating elements on three phase

machines are not wired as a balanced

load. The amps listed are the

maximum on any leg.

3. Total KW and amps include heat

exchanger elements.

WATER SUPPLY REQUIREMENTS

Supply pressure should be 20-60 psig

In line strainer for supply line

(Supplied)

Total dissolved solids (TDS)* less than 60 ppm

Total alkalinity less than 20 ppm

Silica less than 13 ppm

Total Chloride less than 4.0 ppm

PH factor 6.5 to 8

Undissolved Solids less than 5 microns

*17.1 ppm = 1 grain of hardness

Water hardness below 4 grains/gal requires water

treatment to reduce potential corrosion. Hardness

above 6 grains/gal should be treated by water

conditioner, water softener or in-line treatment.

Water Conditioning

It is recommended that a local water treatment

specialist be consulted before the installation of any

steam generating equipment.

Furnishing the steam generator with properly

conditioned water to reduce scale formation is

important. Scale formation will reduce steam output,

cause premature component failure and shorten

equipment life. Most water supplies contain scale

producing minerals such as calcium and magnesium.

As steam is generated, the minerals remain and

dissolve into the remaining water. As the

concentration of these minerals increases past a

certain point, they precipitate from the water and

coat the inside of the steam generator, heating

elements, thermostat bulbs and water level probes.

Because of the high temperature of these surfaces,

the precipitated minerals bake onto them and

become very difficult to remove.

This phenomenon causes several problems:

1. Reduces the heat transfer efficiency of heating

elements.

2. Causes premature failure of heating elements.

3. Water level probes will give false readings.

4. Temperature sensing bulbs will sense

temperature incorrectly.

These problems are common to any manufacturer's

steamer regardless of design, but they can all be

prevented by furnishing the steam generator with

properly conditioned water. Vulcan recommends the

water contain less than 60ppm of total dissolved

solids (TDS) and have a PH factor between 6.5 to 8.

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