140
5790 733 - 07
Vitocrossal 300 CA3 Series 2.5 to 6.0 Installation/Service
Coding Level 1
“Cascade” Group
(continued)
“ECO threshold boiler 1”
41:31
No ECO threshold boiler 1.
Do not adjust!
41:
−
30
to
41:+30
Adjustable from -22°F to 86°F
(
−
30°C to +30°C).
“ECO threshold boiler 2”
42:31
No ECO threshold boiler 2.
Do not adjust!
42:
−
30
to
42:+30
Adjustable from -22°F to 86°F
(
−
30°C to +30°C).
“ECO threshold boiler 3”
43:31
No ECO threshold boiler 3.
Do not adjust!
43:
−
30
to
43:+30
Adjustable from -22°F to 86°F
(
−
30°C to +30°C).
“ECO threshold boiler 4”
44:31
No ECO threshold boiler 4.
Do not adjust!
44:
−
30
to
44:+30
Adjustable from -22°F to 86°F
(
−
30°C to +30°C).
Coding in the factory set condition
Possible change
“Type of control”
3b:1
Standalone parallel boiler circuit:
With supply temperature sensor
(see page 124).
3b:0
Standalone parallel boiler circuit:
Without supply temperature sensor
(see page 124).
3b:2
Standalone serial boiler circuit:
Without supply temperature sensor
(see page 124).
3b:3
Standalone serial boiler circuit:
With supply temperature sensor (see page 124).
3b:4
Sequential control method with supply
temperature sensor (see page 124).
“Control strategy”
3c:0
Condensing strategy (see page 125).
3c:1
Conventional boiler strategy 1 (see page 126).
3c:2
Conventional boiler strategy 2 (see page 127).
“Output statement”
3d:1
Output statement for condensing strategy
and conventional boiler strategy 1.
3d:0
No output statement
Note:
Control only in accordance with
conventional boiler strategy 2.
