Radiant RSA 24 /8, Instruction Manual

Page: 38 / 58

MAINTENANCE INSTRUCTIONS
34
P
ARAMETER
P03 - W
ATER HAMMER PREVENTION FUNCTION
Activating this function, the D.H.W contact is delayed for 2 seconds.
To enter the parameters menu, follow the previously described procedure
(
see paragraph 5.2 ‘Accessing the parameters menu’
- steps 1-5).
6. Use ‘ ’ and ‘ ’ buttons (D.H.W temperature setting) to modify
the value of the parameter:
00 = Off
01 = On
7. Press mode selection button ‘ ’ to confirm and to render the new
adjustment operative. The parameter number (P03) will appear on the
display.
8. To exit from the parameters menu, press simultaneously ‘ ’ and ‘ ’
buttons
.
P
ARAMETER
P04 - C
ENTRAL HEATING TIMER
This parameter is used to set the minimum time in which the burner is kept
switched off, once the heating flow temperature has exceeded the
temperature set by the user.
To enter the parameters menu, follow the previously described procedure
( see paragraph 5.2 ‘Accessing the parameters menu’ - steps 1-5).
6
.
Use ‘ ’ and ‘ ’ buttons (D.H.W temperature setting) to modify
the value of the parameter within the prescribed limits
(
displayed in
multiples of 5 seconds
):
min = 00
max = 90
For ex.: 90 = 90 x 5” = 450” (7,5 min)
The default value is 36 = 180” = 3 min
7. Press mode selection button
‘ ’
to confirm and to render the new
adjustment operative
.
The parameter number (P04) will appear on the
display
.
8. To exit from the parameters menu, press simultaneously ‘ ’ and ‘ ’
buttons
.
01
P03
36
P04