ECL Comfort 210/310, A275/A375 Installation Guide - Danfoss ...
ECL Comfort 210/310, A275/A375 Installation Guide - Danfoss ...
ECL Comfort 210/310, A275/A375 Installation Guide - Danfoss ...
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<strong>Installation</strong> <strong>Guide</strong> <strong>ECL</strong> <strong>Comfort</strong> <strong>210</strong> / <strong>310</strong>, application <strong>A275</strong> / <strong>A375</strong><br />
Sequence type (<strong>A375</strong> applications) 11072<br />
Circuit Setting range Factory setting<br />
1 0 ... 4 3<br />
Set the sequence type for the boiler system.<br />
Code:<br />
0<br />
1<br />
2<br />
3<br />
4<br />
Boilers in sequence with automatic changeover of main<br />
boiler.<br />
Boilers in sequence with 1 fixed main boiler and<br />
automatic changeover of additional boilers.<br />
Boilers in sequence with 2 fixed main boilers and<br />
automatic changeover of additional boilers.<br />
Boilers in fixed sequence.<br />
2-step boilers in sequence with automatic changeover<br />
of main boiler.<br />
Stop at T out 11038<br />
Circuit Setting range Factory setting<br />
1 –49 ... 49 °C / OFF OFF<br />
<strong>A275</strong> applications:<br />
If the outdoor temperature is higher than the set value, the burner will not<br />
be cut-in.<br />
<strong>A375</strong> applications:<br />
If the outdoor temperature is higher than the set value, the last burner step<br />
will not be cut-in.<br />
–49 ... 49: Set the value for blocking the last burner step.<br />
OFF: The 'Stop at T out' function is not active.<br />
<strong>Danfoss</strong><br />
87H2193.10<br />
I<br />
II<br />
III<br />
The changeover takes place after midnight. However, the changeover<br />
to the next main boiler is carried out at a natural cut-out of a boiler<br />
(see example).<br />
The symbol ‘ŋ’ in the sequence type examples indicates the number<br />
of burner steps in the system.<br />
<strong>A375</strong>.1:<br />
B1 — B4 are controlled by the <strong>ECL</strong> <strong>Comfort</strong> controller<br />
B5 — B8 are controlled by ECA 32<br />
<strong>A375</strong>.2 / <strong>A375</strong>.3:<br />
B1 — B2 are controlled by the <strong>ECL</strong> <strong>Comfort</strong> controller<br />
B3 — B6 are controlled by ECA 32<br />
B7 — B8 are controlled by the <strong>ECL</strong> <strong>Comfort</strong> controller<br />
The ‘Stop at T out’ can be used in connection with alternative heat<br />
supply sources such as heat pumps and solar systems.<br />
<strong>Danfoss</strong> District Energy VI.GU.L1.02 DEN-SMT/DK 115
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