Riello Steel Pro Power 114-2 P Installation, Technical Assistance Service And System Management Manual page 60

INSTALLATION
Nr. dis-
Par.
Menu played
No.
Display
DHW
Defines the primary circuit's restart hysteresis in modes 1
Tank
M1 39 and 2 of domestic hot water (valid both for cascade and
Supp
Hyst Dn
DHW
Defines the primary circuit's shut-off hysteresis in
Tank
M1 40 modes 1 and 2 of domestic hot water (valid both for
Supp
Hyst Up
Defines the value of a storage cylinder's delta T required
for temperature maintenance. For instance, if set at
3 degrees, when the storage cylinder is at a set-point
DHW
value minus 3 degrees, the thermal module is switched
Tank
M1 41 on at minimum power to maintain the temperature to
Hold
the set-point plus hysteresis. If this parameter is kept
Warm
the same as Par. 36, this function is inactive and the
thermal module is switched on to the maximum power
0 = Time: time priority between the two circuits defined
DHW
M1 42
Priority
3 = Parallel: parallel priority managed on the basis of
the primary circuit's temperature compared to the heat-
DHW
Establishes the time in minutes during which priority is
Max.
M1 43 alternatively allocated to the DHW and CH circuits when
Priority
Time
Establishes the overrun time in seconds for the domestic
DHW
hot water mode with the boiler in stand-alone opera-
M1 44 Pump
tion; cascaded operation defines the module's overrun
Overrun
DHW
Defines the proportional term for modulation during
M1 45 Tank
PID P
DHW
Defines the integral term for modulation during opera-
M1 46 Tank
PID I
DHW
Defines the derivative term for modulation during oper-
M1 47 Tank PID
D
DHW
tank
M1 48
set-
point
Fan
Speed Defines the number of fan rpm at max. power (it de-
M1 92
Maxi-
mum
Fan
Speed Defines the number of fan rpm at minimum power (it
M1 93
Mini-
mum
Fan Defines the number of fan rpm when the boiler is
M1 94 Speed switched on (it depends on the model and is defined at
Ignition
Prog.
M1 116
Input 1.
Prog
M1 117
Input 2.
Description
stand-alone applications).
cascade and stand-alone applications).
envisaged for the DHW circuit.
Defines the priority type:
by Par. 43;
1 = Off: priority for CH;
2 = On: priority for DHW;
ing circuit's set-point.
Par. 43 is set to "time" mode.
after switch-off due to thermoregulation.
operation of the DHW storage tank.
tion of the DHW storage tank.
ation of the DHW storage tank.
Establishes the DHW storage tank set-point.
pends on the model and is defined at Par. 98).
depends on the model and is defined at Par. 98).
Par. 98).
The value of this parameter is defined by Par. 97.
The value of this parameter is defined by Par. 97.
Range
0...20
0...20
0...10
0...3
1...255
0...900
0...1255
0...1255
0...1255
40...71
0...12750
0...12750
0...12750
0 Disabled 1
Water pressure
sensor 2 CH flow
switch 3 Flue
pressure switch
0 Disabled 1 DHW
flow sensor 2
DHW flow switch
3 CH flow sensor
60
Default Access Catego-
UM
setting type
5 °C O
5 °C O
5 °C O
2 = On I
30 Min. I
60 Sec. I
100 O
500 O
0 O
50 °C U
Defined
by Par. RPM I General
98
Defined
by Par. RPM I General
98
Defined
by Par. RPM I General
98
Defined
I General
by Par. 97
Defined
I General
by Par. 97
ry
DHW
DHW
DHW
DHW
DHW
DHW
DHW
DHW
DHW
DHW