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ENG
8. REPLACING AND CLEANING THE DISTRIBUTION SYSTEM COMPONENTS
switched off and the water supply tap is closed. Water may leak out when
disconnecting the various water circuit components.
8.1 Water leaks
A. repair by using liquid Tefl on on all the water connections without O-rings
or rubber gaskets;
B. if necessary, replace the components as described in paragraph 5. 4.2
8.2 Cleaning
1.
remove the components to be cleaned;
2.
remove any components not made from stainless steel (for example
nozzle o-rings);
3.
soak the stainless steel parts in a solution of water and vinegar for 12
hours (use 4/5 water and 1/5 vinegar);
4.
rinse with water;
5.
for particularly resistant scale use pure vinegar for 12 hours;
6.
reassemble all the components in the reverse order.
8.3 Replacement
1.
switch off humiFog;
2.
close the external water supply tap.
Replacing nozzles and plugs
Important: remember the positions of the nozzles (A) and plugs (B).
Replace with extreme care.
A
B
Replacing the NC on-off valves
Important: the on-off valves are "normally closed" solenoid valves; the
valve body has three F G1/8" connections (see the fi gure on the side).
Remember that the water inlet is the hole in the centre, while the two
side holes are the two outlets available:
•
individually, closing the outlet that is not used with a M G1/8" plug;
•
together if this simplifi es the water connections.
3.
remove the electrical connector;
4.
disconnect the pressurised water supply pipe;
5.
unscrew the valve from the fi ttings;
6.
unscrew the valve inlet connection;
14
"humiFog multizone recambios/spare parts" +030222102 rel. 1.0 - 12.05.2009
Fig. 8.a
7.
unscrew the plug from the valve water outlet that is not used.
3
7
Fig. 8.b
Replacing the NO drain valves at the end of the line
8.
remove the electrical connector;
9.
disconnect the water drain hose;
10.
unscrew the drain pipe fi tting from the valve;
11.
unscrew the valve and the nipple from the distribution manifold.
8
11
Replacing the NO drain valves between the pump and
the distribution system
12.
remove the electrical connector;
13.
disconnect the water drain hose;
14.
unscrew the drain pipe fi tting from the valve;
15.
unscrew the valve and the nipple from the "T".
12
15
Fig. 8.d
Fig. 8.c
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