Radiant RK 25 /B, Instruction Manual

Page: 42 / 66

MAINTENANCE INSTRUCTIONS
38
PARAMETER P17 – SETS THE TEMPERATURE MEASUREMENT
UNIT
This parameter is used to set the temperature measurement unit
displayed: Celsius ( ) or Fahrenheit ( ) degrees.
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:
00 = °C
01 = °F
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
P18 – SETS THE 0-10V INDUSTRIAL BUS
PILOTING
This parameter is used to enable/disable the 0-10V industrial bus in
order to set the burner output and the flow temperature by outdoor
bus.
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:
00 = Disabled
01 = Flow temperature control mode
02 = Burner output control mode
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
P19 – CENTRAL HEATING MINIMUM SET POINT
This parameter is used to set the central heating minimum 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 = 20 °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
.
P17
01
P17
00
00
P18
02
P18
P19
P19
30
35