Danfoss ECL Comfort 210 Installation Manual page 115

Installation Guide
Sequence type (A375 applications)
Circuit
1
Set the sequence type for the boiler system.
Code:
0
Boilers in sequence with automatic changeover of main
boiler.
1
Boilers in sequence with 1 fixed main boiler and
automatic changeover of additional boilers.
2
Boilers in sequence with 2 fixed main boilers and
automatic changeover of additional boilers.
3
Boilers in fixed sequence.
4
2-step boilers in sequence with automatic changeover
of main boiler.
Stop at T out
Circuit
1
A275 applications:
If the outdoor temperature is higher than the set value, the burner will not
be cut-in.
A375 applications:
If the outdoor temperature is higher than the set value, the last burner step
will not be cut-in.
–49 ... 49: Set the value for blocking the last burner step.
OFF: The 'Stop at T out' function is not active.
Danfoss District Energy
ECL Comfort 210 / 310, application A275 / A375
Setting range Factory setting
0 ... 4
Factory setting
Setting range
–49 ... 49 °C / OFF
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3
The changeover takes place after midnight. However, the changeover
to the next main boiler is carried out at a natural cut-out of a boiler
(see example).
The symbol 'ŋ' in the sequence type examples indicates the number
of burner steps in the system.
A375.1:
B1 — B4 are controlled by the ECL Comfort controller
B5 — B8 are controlled by ECA 32
A375.2 / A375.3:
B1 — B2 are controlled by the ECL Comfort controller
B3 — B6 are controlled by ECA 32
B7 — B8 are controlled by the ECL Comfort controller
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The 'Stop at T out' can be used in connection with alternative heat
OFF
supply sources such as heat pumps and solar systems.
VI.GU.L1.02 DEN-SMT/DK 115