Viessmann VITODENS 222-F Service Instructions Manual page 59

Vitodens 222-F B2TA 19 and 35 Service
Heating Circuit 1, 2 and 3
Select "Heating circuit ..."
Coding
Coding in the factory setting
A0:0
A1:0
A3:2
Note: When selecting a value below 33.8° F (1° C), there is a risk of pipes outside the thermal envelope of the building
freezing up. The standby mode in particular should be taken into consideration, e.g. during holidays.
Parameter address A3:...
-9
-8
-7
-6
-5
-4
-3
-2
-1
0
1
2
to
15
Without remote control
All possible settings at the
remote control can be accessed
Outside temperature below
34° F (1° C): Heating circuit
pump "ON"
Outside temperature above
37° F (3° C): Heating circuit
pump "OFF"
Heating circuit pump
"ON"
14° F (-10° C)
15.8° F (-9° C)
17.6° F (-8° C)
19.4° F (-7° C)
21.2° F (-6° C)
23° F (-5° C)
24.8° F (-4° C)
26.6° F (-3° C)
28.4° F (-2° C)
32.2° F (-1° C)
32° F (0° C)
33.8 to 57.2° F
(1 to 14° C)
Possible change
A0:1 With Vitotrol 200A (automatic
recognition).
A0:2 With Vitotrol 300A or Vitohome
300 (automatic recognition).
A1:1 Only party mode can be set at the
remote control (only for Vitotrol
200A).
A3:-9 Heating circuit pump "ON/OFF"
to (see following table).
A3:15
"OFF"
17.6° F (-8° C)
19.4° F (-7° C)
21.2° F (-6° C)
23° F (-5° C)
24.8° F (-4° C)
26.6° F (-3° C)
28.4° F (-2° C)
32.2° F (-1° C)
32° F (0° C)
33.8° F (1° C)
35.6° F (2° C)
37.4 to 60.8° F
(3 to 16° C)
Code 2
59