Radiant RK 25 /B, Instruction Manual

Page: 43 / 66

MAINTENANCE INSTRUCTIONS
39
PARAMETER P20 – CENTRAL HEATING MAXIMUM SET POINT
This parameter is used to set the central heating maximum user set
point.
To enter the parameters menu, follow the previously described procedure
(
see paragraph 5.2 ‘Accessing the parameters menu’ - steps 1-4)
.
5.
Use ‘ ’ and ‘ ’ buttons (D.H.W temperature setting) to modify
the value of the parameter within the prescribed limits
(
displayed
in
Celsius degrees):
min = 40 °C
max =
90 °C
6. Press mode selection button ‘ ’ to confirm and to render the new
parameter operative .
7. To exit from the parameters menu, press simultaneously ‘ ’ and ‘ ’
buttons
.
PARAMETER
P21 – D.H.W. MAXIMUM SET POINT
This parameter is used to set the D.H.W maximum user set point.
To enter the parameters menu, follow the previously described procedure
(
see paragraph 5.2 ‘Accessing the parameters menu’
- steps 1-4)
.
5.
Use ‘ ’ and ‘ ’ buttons (D.H.W temperature setting) to modify
the value of the parameter within the prescribed limits
(
displayed
in
Celsius degrees):
min = 45 °C
max = 75 °C
6. Press mode selection button ‘ ’ to confirm and to render the new
parameter operative
.
7. To exit from the parameters menu, press simultaneously ‘ ’ and ‘ ’
buttons
.
PARAMETER
P22 –
∆
T SET POINT T° FLOW / T° RETURN
(w/modulating pump and return temperature sensor connected
only)
This parameter is used to set the delta value between the flow and
the return temperature.
To enter the parameters menu, follow the previously described procedure
(
see paragraph 5.2 ‘Accessing the parameters menu’ - steps 1-4)
.
5.
Use ‘ ’ and ‘ ’ buttons (D.H.W temperature setting) to modify
the value of the parameter within the prescribed limits
(
displayed
in
Celsius degrees):
00 = Disabled
min = 10 °C
max = 40 °C
6.
Press mode selection button ‘ ’ to confirm and to render the new
parameter operative .
7.
To exit from the parameters menu, press simultaneously ‘ ’ and ‘ ’
buttons
.
P20
75
P20
80
P21
P21
P22
P22
60
50
00
10