SECTION I: USER
24
•
KUSB (supplied separat el y)
RS485/USB s erial converter t o c onnect to s upervis ory s ys tems and
must be ass ociated t o one or more KRS485 s erial int erface modules in
the c ase of c entr alised management of t he units .
I.3
INSTRUCTIONS FOR USE
The f ollowi ng operations can be c arried out via the control panels:
•
Drive/st op t he unit .
•
Selection from the three f an speeds .
•
Regulation of the thermostat and mai ntai ning the desired
temperature i n the room.
•
Switc hover of t he cooling/ heating: f unctioning c ycle.
•
Continuous
ventilation
control.
The specific instructions for u se of the controls are provided with
the relative controls.
I.3.1 PROLONGED
SHUTDOWN
IMPORTANT !
If the unit is not used during the winter period, the
water contained in the system may freez e.
If the mac hine is goi ng to be out of use for long periods of ti me, it is
necess ary to disconnect t he unit from the mains by disconnec ting the
main switc h, fit ted by the inst aller.
If the unit is not used during the wint er period, t he water c ont ained in
the s ys tem may fr eeze. To prevent this, all the wat er contained in t he
circuit must be emptied before the onset of winter. Alternati vel y, a
suitabl e quantit y of anti-freez e liquid should be mi xed wit h the water.
I.3.2
START-UP AFTER PROLONGED SHUTDOWN
Befor e starti ng up the unit again:
•
Clean or change t he air filter.
•
Clean
t he
heat-exc hanger.
•
Clean or uncl og the drain of the condens ate tray.
•
Bleed any air from t he water s yst em.
•
It is advisable to run the unit at maximum speed for s everal hours.
I.4
CLEANING THE UNI T
DANGER !
Al ways disconnect the el ectric po wer b efore
cleaning or performing m aintenan ce op erations.
Do not spray water on the unit.
The external surfac e of t he unit can be cleaned.
Clean with a s oft cl oth dampened wit h wat er and alcohol. Do not us e
hot water, abrasi ve or c orrosive substances or sol vents.
I.4.1
CLEANING THE AIR FILTER
To ens ure c orrect air int ake, the air filter must be cl eaned at l east onc e
a mont h or more often if t he machine is us ed in ver y dust y
environments. T he filter must always be removed from the unit t o be
cleaned.
The air fi lter i s mad e of acr yl ic fibr e, whi ch can be
washed with wat er.
The el ectrostati c activated carbon filters (with
whi ch the unit m ay b e equipped) cannot be wash ed
and must be r eplaced.
1) Opening the grid
Turn the t wo screws by 90° (1/ 4 of a turn)
2) Removing the filter
3) Cleaning the filter
First clean t he filter with a vac uum cleaner, t hen rinse it under running
wat er and dry it. I nsert the filter bac k into its seat correctl y.
Befor e refitti ng the filter, make sur e it is clean and compl etel y dry. If the
filter is damaged, it mus t be replaced with an original
RHOSS
S.p. A
filter.
I.5
WARNINGS AND SUGGESTIONS
Never obs truct t he air flow. T he use of water or aer osol spr ay in
proximit y t o t he unit can cause electric shoc ks and malfunctions .