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Pump
Check
water fi lters
check oil level
change oil
replace gaskets and valves
Important: change the oil in the pump after the fi rst 50 hours of
operation
Rack and room distribution system
visual inspection
blocked nozzles
solenoid valves
accessories
drains and water
droplet separator
Installations in AHUs or ducts must also comply with national maintenance
standards (ASHRAE 12-2000, VDI 6022, UNI 8884, VDI 3803, etc.).
Please note that:
•
the personnel in charge of maintenance must reset the hour counter
after having performed the preventive maintenance operations listed
in the columns "after 50 hours", "every 2000 hours" and "every 4000
hours". If the hour counter is not reset, the maintenance warnings will
no longer be signalled;
•
the personnel in charge of maintenance are responsible for any
malfunctions due to a lack of preventive maintenance. The controller
will show the maintenance warning code "C5" after the fi rst 50 hours
and, subsequently, the routine maintenance warning code "CL" every
2000 hours as a reminder for the following operations;
•
failure to change the oil after the fi rst 50 hours of operation may cause
serious damage to the pumps and reduce operating life;
•
the maintenance signals do not stop the operation of humiFog.
1.1 Preventive maintenance of the water
fi lter
The fi lters should be checked monthly, while the 9" fi lter (Fig. 1.c) should
only be replaced if the pressure diff erence between the two pressure
gauges in Fig. 1.a is > 0.5 bars.
1.
access the water circuit;
2.
open the external water supply tap;
3.
check the pressure drop across the water fi lter.
ΔP= PIN - PUSC ≤ 0.5 bar?
YES= proceed with the remaining
maintenance operations
NO= replace the cartridges
4
3
5
P
OUT
2
1
7
Fig. 1.a
1. PREVENTIVE MAINTENANCE
monthly every 2000 h every 4000 h
X
X
X
X
monthly every 2000 h every 4000 h
X
X
X
X
X
P
IN
4
3
5
2
1
7
Procedure:
1.
switch off humiFog;
2.
shut off the water supply externally;
3.
access the water circuit;
4.
drain the fi lter: open the bottom valve on the fi lter, press the plug at the
top to completely drain the fi lter (Fig. 1.b).
5.
open the fi lter: release the nut using the fi lter tool supplied (Fig. 1.d);
6.
replace the cartridge;
7.
close the fi lter (Fig. 1.d);
8.
go to the "Y" fi lter on the regulator (Fig. 1.e);
9.
unscrew the fi lter case;
10.
remove and wash the fi lter;
11.
replace the fi lter;
12.
fi ll the fi lter with water:
-
close the bottom valve on the fi lter;
-
open the water supply tap (external);
-
press the black plug on the fi lter to the right until water is released
around the plug (Fig. 1.c);
-
dry the water that leaked out.
13.
close the water circuit section;
14.
switch on humiFog;
15.
the cartridges are made from polypropylene: dispose of in accordance
with local standards/laws.
60 μm
Fig. 1.c
"humiFog multizone Recambios/spare parts" +030222102 rel. 1.0 - 12.05.2009
3
2
1
5
7
Fig. 1.d
Washable FILTER KIT
4
3
5
2
1
7
Fig. 1.e
ENG
4
3
5
2
6
1
7
7
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