8
ENG
“humiFog multizone recambios/spare parts” +030222102 rel. 1.0 - 12.05.2009
installer
user
ser
vic
e
2. PREVENTIVE MAINTENANCE OF THE PUMP
2.1 Checking the oil level
The oil level should be checked visually every month. The fi gure shows
the correct oil level in the gauge.
Fig. 2.a
The drawing shows the front of the transparent Plexiglas oil level gauge.
If the level is lower than the mark shown in the fi gure, top up with oil to
the correct level; in the event of oil leaks, contact CAREL.
2.2 Changing the oil, gaskets and valves
The oil must be changed every 4000 operating hours, also replacing the
pump gaskets and valves.
C
hanging the oil
1.
switch off humiFog;
2.
shut off the water supply externally;
3.
access the water circuit;
4.
remove the yellow cap from the top of the pump and open the oil drain
plug on the rear of the pump;
5.
drain the oil and close the plug;
6.
dispose of the oil according to local standards;
7.
fi ll with (ISO 68) SAE 20 W - 30 W oil to the level indicated (around 350
ml of oil);
8.
close the top oil cap;
9.
close the water circuit section;
10.
switch on humiFog.
4
4
Fig. 2.b
Fig. 2.c
R
eplacing the gaskets
1.
switch off humiFog;
2.
shut off the water supply externally;
3.
access the water circuit;
4.
disconnect the wiring from the pressure probe, the HP switch, the safety
solenoid valve and the NTC probe (Fig. 4.b);
5.
disconnect the hose from the pump outlet;
6.
unscrew the 8 hexagonal screws that couple the head of the pump to
the sump;
7.
replace the existing gaskets;
8.
retighten the 8 hexagonal screws that couple the head of the pump to
the sump;
9.
connect the hose to the pump outlet;
10.
connect the wiring to the pressure probe, the HP switch, the safety
solenoid valve and the NTC probe;
11.
close the water circuit section;
12.
switch on humiFog.
Fig. 2.d
R
eplacing the valves
1.
switch off humiFog;
2.
shut off the water supply externally;
3.
access the water circuit;
4.
unscrew the three caps on the top and front of the pump head;
5.
replace the 6 existing valves;
6.
tighten the three caps on the top and front of the pump head;
7.
close the water circuit section;
8.
switch on humiFog.
Fig. 2.e
Spare part codes:
UAKVGO1500
Gasket and valve kit for UA 100-200-320 with brass pump
UAKVGO1800
Gasket and valve kit for UA 460-600 with brass pump.
UAKVGX1500
Gasket and valve kit for UA 100-200-320 with stainless
steel pump.
UAKVGX1800
Gasket and valve kit for UA 460-600 with stainless steel
pump
The hour counter can be reset under the “maintenance -> hour counter”,
and requires the maintenance password.
