Fleck 4600 Service Manual page 13

2.1 Water Pression
A minimum of 1,4 bar of water pressure is required for the regeneration valve to operate
effectively. Do not exceed 8,5 bar; if you face this case, you should install a pressure regulator
upstream the system.
2.2
Electrical connection
An uninterrupted current supply is required. Please make sure that your voltage supply is
compatible with your unit before installation. If the electrical cable is damaged, it must
E
imperatively be replaced by a qualified personal.
N
G
L
2.3 Existing plumbing
I
Existing plumbing should be in a good shape and free from limescale. In doubt, it is preferable to
replace it. The installation of a pre filter is always advised.
S
H
2.4 By-pass
Always provide a by pass valve for the installation, if the unit is not equipped with one.
2.5 Water temperatures
Water temperature is not to exceed 43°C, and the unit cannot be subjected to freezing
conditions.
12
2 - GENERAL ADVICE
4600 - 5600