DeDietrich MODULENS O AFC 18, Installation And Service Manual, Page: 116 / 180

6.7.3. Professional settings
1. Access the installer level: Press key
-
for around 5 seconds.
2. Set the following parameters:
4
Turn the rotary button to scroll through the menus or
modify a value.
4
Press the rotary button to access the selected menu
or confirm a value modification.
¼
For a detailed explanation of menu browsing, refer to
the chapter: "Browsing in the menus", page 97.
Installer level - #PRIMARY LIMITS menu
Parameter Adjustment range Description Factory setting Customer setting
BOILER MAX
20 to 90 °C Maximum boiler temperature 80 °C
MAX.R.HEAT
(1) 0-100% Maximum boiler output during heating 100%
MAX.DHW
0-100% Maximum domestic hot water output 100%
MIN.PUMP SPEED
(1) 20-100% Minimum pump speed 40 %
MAX.PUMP SPEED
(1) 20-100% Maximum pump speed 100 %
(1) The parameter is only displayed if
INSTALLATION
parameter is set to
EXTENDED
Installer level - #SECONDARY LIMITS menu
Parameter Adjustment range Description Factory setting
MAX.CIRC.A
30 to 95 °C Maximum temperature (Circuit A)
¼ "
MAX.CIRC...
", page 118
75 °C
MAX.CIRC.B
20 to 95 °C Maximum temperature (Circuit B)
¼ "
MAX.CIRC...
", page 118
50 °C
MAX.CIRC.C
20 to 95 °C Maximum temperature (Circuit C)
¼ "
MAX.CIRC...
", page 118
50 °C
OUT.ANTIFREEZE OFF
, -8 to +10 °C Outside temperature at which the installation’s antifreeze protection
is activated.
Below this temperature the pumps are permanently on and the
minimum temperatures for each circuit are respected.
When
NIGHT : STOP
is set, the reduced temperature is maintained
in each circuit (
#SECONDARY INSTAL.P
menu).
OFF
: Antifreeze protection is not activated
+3 °C
HCZP D A
(1)(2)
OFF
, 20 to 90 °C Curve base temperature in Daytime mode (Circuit A)
OFF
HCZP N A
(1)(2)
OFF
, 20 to 90 °C Curve base temperature in Nighttime mode (Circuit A)
OFF
HCZP D B
(1)(2)
OFF
, 20 to 90 °C Curve base temperature in Daytime mode (Circuit B)
OFF
HCZP N B
(1)(2)
OFF
, 20 to 90 °C Curve base temperature in Nighttime mode (Circuit B)
OFF
HCZP D C
(1)(2)
OFF
, 20 to 90 °C Curve base temperature in Daytime mode (Circuit C)
OFF
HCZP N C
(1)(2)
OFF
, 20 to 90 °C Curve base temperature in Nighttime mode (Circuit C)
OFF
PRIM.TEMP.DHW
50 to 95 °C Boiler temperature setting if producing domestic hot water 80°C
(1) The parameter is only displayed if
INSTALLATION
parameter is set to
EXTENDED
(2) The parameter can be set to the heating curve by pressing key f .
1
1
2
2
r
c
STD
( '
t
v
0 2 4 6 8 10 12 14 16 18 22 24 20
p
b
AUTO
x c
r
j
M g m
SUNDAY 11:45
5"
TEMP.: 68°
C002235-F-04
6. Commissioning AFC 18 - AFC 24 - AFC 30
114 09/07/2015 - 300026439-07