Sime ECOMFORT 30 HE, Инструкции по установке и обслуживанию

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clockwise will diminish it.
– Adjust maximum pressure using the nut
(3) with a wrench to the maximum pres-
sure value indicated in Table 6 .
– Do not adjust minimum pressure until
you have adjusted maximum pressure.
– Turn off the supply power to the modula-
tor, and keep the hot water tap turned on.
– Lock the nut (3) in place, turn the screw
/nut (2) to the minimum pressure indi-
cated in Table 6 .
– Turn off the boiler and turn it back on
again several times, keeping the hot water
tap turned on at all times and checking
that the maximum and minimum pressu-
re values correspond to the established
values; correct the settings if necessary.
– Adjust, checking that you have restored
the power to the modulator.
– Put the pipe back on the valve VENT
pressure test point.
– Remove the manometer, remembering
to tighten the screw for closing the pres-
sure test point.
– Put the plastic cap (1) back on the modu-
lator and seal with a drop of coloured
sealant if necessary.
4.8 REMOVAL OF OUTER CASING
It is possible to completely disassemble the
shell for an easy maintenance of the boiler
as showed in fig. 21.
4.9 CLEANING AND MAINTENANCE
Preventive maintenance and checking of
efficient operation of equipment and safety
devices must be carried out exclusively by
authorized technical personnel.
4.10 CLEANING THE C.H. WATER FILTER
“AQUA GUARD” (fig. 22)
To clean the filter, close the flow/return val-
ves, turn off the power to the control panel,
remove the casing and empty the boiler
using the drain provided until the hydrome-
ter shows “zero”. Place a container for col-
lection underneath the filter, unscrew the
cap and proceed to clean the filter, remo-
ving impurities and limestone deposits.
Check the seal o-ring before reassembling
the cap with the filter.
1
2
Fig. 21
Fig. 22
Fig. 22/a
3
2
1
KEY
1
Plastic tap
2 Minimum pressure adjusting nut
3 Maximum pressure adjusting nut
SIT 845 SIGMA HONEYWELL VK 4105M
SIEMENS VGU 50