I.6.1
Isolating master sw itch
DANGER !
The connection of an y accessories not supplied b y
RHOSS
S.p.A. must b e carried out scrupulou sly
following the indications given in the unit wiring
diagram s.
Manuall y c ontrolled type " b" mains power suppl y connection and
disconnection (ref. EN 60204-1 § 5.3.2). This s witc h disc onnects the
mac hine from the el ectric power suppl y mains .
1
I.6.2
High and low pressure manometers
The unit is equipped with two manometers for each indi vidual circuit.
High pressur e m anometer ( A): indicates the high press ure value.
Low pr essure m anometer (B): indicates the low pr essure value.
A
I.6.3
High and low pressure switches
DANGER !
The pressure switch is a safet y d evice in
complian ce with the Standard s in force. T ampering
and/or modification of the sam e can det ermine a
danger for per sons.
The unit is equipped with two pressur e s witches for eac h indi vidual
circuit. This element s upervis ors the two distinct functions:
High pressur e switch: it inter venes to
prevent the wor king pr essure i nside the
cooling circuit rising exc essi vel y.
Low pr essure switch: monitors so that
the pressure on the low si de does not
drop below a determined value.
0
B
45
I.6.4
User interface panel
IMPORTANT !
At user level, access is allo wed to the setting
paramet ers of the unit wor k set. At the technical
assistance level access to the unit m anagem ent
paramet ers is allo wed with the u se of a password
(access only given to authorised staff).
Values and d isplay p aram eters
displays the numbers and the values of all the
1
parameters (i.e. outl et water temperature etc.), any
alarm c odes and res ource status by means of strings.
ALARM key
!
Used to displ ay and r eset the al arms.
ALARM
Program Key
Used to acc ess the programming menus of the
Prg
fundamental parameters for machine functi oning.
ON/OFF key
ON
OFF
Used to s witch the unit on and off.
UP key
Used to scroll the pr ogrammi ng menu and to increase
the values displ ayed.
MODE/ENTER key
MODE
Used to confirm the modification of the parameters.
DOWN Key
Used to scroll the pr ogrammi ng menu and to decrease
the values displ ayed.
I.7
Instructions for use
I.7.1
Unit pow er supply
Act on the manoeuvre-isolator
switch by turning the handle by 90°
clockwise.
SECTION I: USER