N solar (if connected), N operating modes, Uthe solar load pump is running – DE DIETRICH AFC 18 - AFC 24 - AFC 30 User Manual
Page 13: The entire tank is reheated to the tank set point
n Solar (If connected)
u
The solar load pump is running
L
00
02
0
0-
A
The top part of the tank is reheated to the tank set point
L
0
0
0
2
0
1
-A
The entire tank is reheated to the tank set point
L
00
01
9
8-
A
The entire tank is reheated to the solar tank set point
L
00
01
9
9-
A
The tank is not loaded - Presence of the solar control
system
n Operating modes
p
Summer mode: The heating is off. Domestic hot water
continues to be produced
b
WINTER mode: Heating and domestic hot water working
AUTO
Operation in automatic mode according to the timer
programme
x
Comfort mode: The symbol is displayed when a DAY
override (comfort) is activated
4
Flashing symbol: Temporary override
4
Steady symbol: Permanent override
m
Reduced mode: The symbol is displayed when a NIGHT
override (reduced) is activated
4
Flashing symbol: Temporary override
4
Steady symbol: Permanent override
g
Holiday mode: The symbol is displayed when a HOLIDAY
override (antifreeze) is activated
4
Flashing symbol: Holiday mode programmed
4
Steady symbol: Holiday mode active
m
Manual mode: The boiler operates with the displayed set
point. All of the pumps operate. The 3-way valves are not
controlled.
bar
STD
0
2
4
6
8
10
12
14
16
18
22
24
20
L
0
0
0
1
9
7
-A
#
F
AUTO
% $
<
:
!
bar
STD
0
2
4
6
8
10
12
14
16
18
22
24
20
C
0
0
2
6
9
7
-B
#
F
AUTO
% $
<
:
!
bar
STD
0
2
4
6
8
10
12
14
16
18
22
24
20
C
0
0
2
6
9
8
-B
#
F
AUTO
% $
<
:
!
AFC 18 - AFC 24 - AFC 30
3. Description
09/01/2014 - 300026440-001-03
12