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Coding Level 2
"Cascade" Group
Coding in the factory set condition
"System pump"
3e:0
System pump will only run if there is a
heat demand.
"Tank priority control for system pump"
3f:0
Without tank priority control for system
pump.
"ECO threshold boiler 1"
41:31
No ECO threshold boiler 1.
Do not adjust!
"ECO threshold boiler 2"
42:31
No ECO threshold boiler 2.
Do not adjust!
"ECO threshold boiler 3"
43:31
No ECO threshold boiler 3.
Do not adjust!
"ECO threshold boiler 4"
44:31
No ECO threshold boiler 4.
Do not adjust!
"Stop differential"
47:15
Set to 15 K.
"ECO threshold boiler 5"
65:31
No ECO threshold boiler 5.
Do not adjust!
158
(continued)
Vitocrossal 300 CA3 Series 2.5 to 6.0 Installation/Service
Possible change
3e:1
System pump always runs; shutdown
through "External blocking" signal.
3f:1
With tank priority control for system
pump.
41:−30
Adjustable from -22°F to 86°F
to
(−30°C to +30°C).
41:+30
42:−30
Adjustable from -22°F to 86°F
to
(−30°C to +30°C).
42:+30
43:−30
Adjustable from -22°F to 86°F
to
(−30°C to +30°C).
43:+30
44:−30
Adjustable from -22°F to 86°F
to
(−30°C to +30°C).
44:+30
47:2
Adjustable from 4°F to 54°F
to
(2 K to 30 K)
47:30
Note: One boiler or one burner stage
will be shut down if the actual supply
temperature exceeds the set supply
temperature by this value.
65:−30
Adjustable from -22°F to +86°F
to
(-30°C to +30°C).
65:+30
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