163
5790 733 - 07
Vitocrossal 300 CA3 Series 2.5 to 6.0 Installation/Service
“Solar” Group
(continued)
Coding Level 2
Coding in the factory set condition
Possible change
“Night circulation monitoring”
0d:1
Night circulation monitoring switched on.
Unintentional flow in the solar circuit is
captured (e.g. at night).
0d:0
Night circulation monitoring switched off.
“Calculation of solar yield”
0e:1
Heat statement in conjunction with
Viessmann heat transfer medium
0e:2
Do not adjust!
0e:0
No heat statement.
“Solar circuit flow rate”
0F:70
Solar circuit flow rate at maximum pump
speed 1.8 USG/min (7 L/min)
0f:1
to
0f:255
Flow rate adjustable from
0.02 USG/min to 6.7 USG/min
(0.1 L/min to 25.5 L/min)
1 step 0.02 USG/min (0.1 L/min).
“Target temperature control”
10:0
Target temperature control OFF
(see coding address “11”)
10:1
Target temperature control switched on.
“Set solar DHW temperature”
11:50
Set solar DHW temperature 122°F (50°C)
H
Target temperature control switched
on (code “10:1”):
Temperature at which the water in the
DHW tank heated by solar energy is to
be stratified.
H
Code “20:9” (heating of two DHW
tanks) selected:
When one DHW tank reaches its set
DHW temperature, the second DHW
tank is heated.
11:10
to
11:90
Adjustable from 50°F to 194°F
(10°C to 90°C).
“Minimum collector temperature”
12:20
Minimum collector temperature
(minimum solar circuit pump start
temperature) 68°F (20°C).
12:0
No minimum limit
12:1
to
12:90
Adjustable from 34°F to 194°F
(1°C to 90°C).