RHOSS Mini-Y Serie Gebrauchsanweisung Seite 37

Label Model
TCAEY 105÷111
THAEY 105÷111 NF
TCAEY-THAEY 118÷136 HE
TCAEY-THAEY 115÷265
TCHEY-THHEY 105÷112
TCHEY-THHEY 105÷112
THAEY 105÷111 NF
TCAEY-THAEY 118÷136 HE
TCAEY-THAEY 115÷265
(*) Cooling set point i n Ec onomy
(**) Heating set poi nt in Economy
(***) Heating set poi nt Radiati ng Systems
I.1.8 Setting summer and winter Set-point
IMPORTANT !
When modifying or var ying the machine's operating
paramet ers, make sure that you do not create
situations that conflict with the other set
paramet ers.
The us er is authorised to adjus t the s ummer and winter Set- point values
within the adjustment li mits indic ated in Par. I.5.7.
If, for exampl e, the Coo (summer Set-point) parameter is set at 0, the
A05 parameter (anti-freeze alarm Set-point) must be adjusted in or der
to prevent the mac hine from shutting down. The A05 par ameter is
pass word protected; therefore it can onl y be modifi ed by authorised
RHOSS
S.p.A. personnel.
Whenever the A05 parameter is assigned a value bel ow 3°C it is
essential to us e water mi xed with a s uitable percentage of ethyl ene
glycol.
To set the summer and winter Set-points, proc eed as follows:
Press the Prg key for 2 s econds to access it.
The dis play s hows the Coo label (summer Set-point).
By pressing the MODE key, it is possible to move onto the label that
makes it possible to s et the wi nter Set-point.
The dis play s hows the HEA l abel (winter Set-poi nt).
Limit of
Default
adjustment
4÷20°C
7°C
4÷18°C
4÷23°C
30÷52°C
45°C
30÷53°C
5÷10°C (*) -
42÷50°C (**) -
32÷45°C (***) -
MODE
ALARM
Prg
ON/OFF
MODE
ALARM
Prg
ON/OFF
Press the Prg key to access the modifiable value of the parameter
selected.
The dis play s hows the s ummer Set- point value.
MODE
ON/OFF
Once the desired s ummer or wi nter Set-point value has been set, just
press the MODE and ON/OFF keys at the s ame ti me to memorise the
set val ue.
The memorised Set-poi nt val ue flashes on the display for a few
seconds. After this, the displ ay will show the Coo label if the summer
Set-point value has been memorised or HEA if the wi nter Set-point
val ue has been memorised.
To return to the initial screen, press the MODE and ON/OFF keys at the
same time.
The water inlet temperature will be displayed.
I.1.9 Setting summer and winter double Set-point
The double Set-point function allows to use two different Set-points on
the basis of a digital input. If the function is enabled and the digital input
is open, the main Set-point is used. If the digital input is clos ed, the set
point used is that set in the following mas k.
The regulati on li mits are the same as the main Set-point. For further
information, refer to the wiring diagram attached to the mac hine.
The double Set-point access or y must be enabled from Us er menu;
Press the Prg key for 2 s econds to access it.
37
CONTROL PANELL PST
MODE
ALARM
Prg
ON/OFF
The MODE (UP) and ON/OFF (DOWN)
keys can be us ed to i ncreas e or reduc e
the value.
MODE
ALARM
Prg
ON/OFF
MODE
ALARM
Prg
ON/OFF