10TA Service Manual
SERVICE OPERATIONS
4/28/14
9-24
Technical Service Bulletin
No. 88-5
All Models
Subject: Water Conditioning For Ice Cube Machines
The quality of the ice produced by a commercial ice cube machine can only be as high as the quality
of the water which is used. Water which contains turbidity or sediment or which has a high
concentration of dissolved minerals or gases will produce cloudy or opaque ice.
Ion exchange (zeolite) softening is used to advantage in many cases, as the softener removes iron
and most forms of turbidity, and also prevents scale formation in the ice machines. However,
softening the water by ion exchange does not reduce the concentration of minerals. In addition, most
machines require a considerable blowdown to waste to prevent the buildup of the total dissolved
solids and thus a considerable amount of softened water will be wasted.
All the sulfates, chlorides, and the sodium carbonate (listed below) have in general the same effect
on the appearance of raw water ice and therefore, in this rough tabulation, can be grouped together.
Generally, the sodium carbonates can be considered 1 1/4 times as objectionable as the sulfates, and
the chlorides about 3/4 as objectionable as the sulfates. Therefore, total the sulfates and chlorides
separately and apply the factors:
Calcium Sulfate
Calcium Chloride
Magnesium Sulfate
Magnesium Chloride
Sodium Sulfate
Sodium Chloride
Sodium Carbonate
Total Sulfates x 1.0
=
__________
Total Chlorides x 0.75=
__________
Sodium Carbonate x 1.25
=
__________
Sum Total
=
__________
Dissolved solids below 171 ppm (10 grains per gallon) produces first quality ice, 256 ppm (15
g.p.g.) good quality ice, and 342 ppm (20 g.p.g.) an ice that is still marketable. If dissolved solids
are between 342 ppm and 684 ppm (40 g.p.g.), acceptable ice quality ice is questionable, over 684
ppm, marketable ice cannot be expected.
When cloudy or opaque is produced because of the water quality, it is suggested that the water be
analyzed by a reputable laboratory and their advice be followed.
Vogt Ice L.L.C.
Louisville, KY
Содержание P18FXT
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Страница 10: ...10TA Service Manual TABLE OF CONTENTS vi BLANK ...
Страница 20: ...10TA Service Manual INTRODUCTION 4 14 14 1 10 BLANK ...
Страница 40: ...10TA Service Manual INSTALLING YOUR TUBE ICE MACHINE 4 14 14 3 18 BLANK PAGE ...
Страница 43: ...10TA Service Manual HOW YOUR TUBE ICE MACHINE WORKS 4 14 2014 4 3 FIGURE 4 1 Water Cooled Piping Schematic ...
Страница 44: ...10TA Service Manual HOW YOUR TUBE ICE MACHINE WORKS 4 14 2014 4 4 FIGURE 4 2 Air Cooled Piping Schematic ...
Страница 50: ...10TA Service Manual START UP AND OPERATION 4 14 14 5 6 BLANK ...
Страница 51: ...10TA Service Manual ELECTRICAL CONTROLS 4 14 14 6 1 6 Electrical Controls FIGURE 6 1 Control Panel SS PB1 PB2 ...
Страница 52: ...10TA Service Manual ELECTRICAL CONTROLS 4 14 14 6 2 FIGURE 6 2 Control Panel Components Standard ...
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Страница 111: ...10TA Service Manual 10 7 OPTIONS AND ACCESSORIES FIGURE 10 4 Wiring Schematic Mid Size Machine P112 P118 P18XT ...
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Страница 120: ...10TA Service Manual TABLES CHARTS 7 2 14 11 8 BLANK ...
Страница 124: ...10TA Service Manual INDEX 5 30 14 12 4 ...