Packo RM/IB Series - Filling the Ice Water Reservoir; Reservoir Filling Introduction and Warning; Water Quality and Inhibitor Requirements; Inhibitor Concentration and Dosage

51/78 06/02/2008
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IB: filling the ice water reservoir
Introduction
The ice water reservoir, containing the copper evaporator pipes, must be filled with water of drinking quality.
To protect the system an inhibitor must be added to the water before the start-up.
Warning
The ice water reservoir may only be filled with water after the cooling circuit has been made vacuum
and put under pressure.
Water quality
The water in the ice water reservoir should be of drinking quality as determined in European directive
80/778/EEC. To check this you can have the water analysed by a recognized laboratory.
Inhibitor
The product which is added is “1, 2, 3 Benzotriazol”. The right dose is delivered with every IB tank or ice
builder. It must be added to the water in the ice water reservoir by the installer when commissioning is
finished.
If the water in the ice water reservoir is lost as a result of, for example, a defect or a repair, when the
reservoir is refilled inhibitor has to be added again.
Concentration
A concentration of 3 mg/litre must be achieved. Consult the table below to determine how much is needed:
IB tanks
Content
Amount needed in grams
4 milkings
2 milkings
1600 – 2200 L
3
5
2800 – 3300 L
3
5
3800 – 4400 L
3
8
5000 – 7000 L
5
8
9650
5
12400
2 x 5
15400
12