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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 />

<strong>A375</strong>.1, example h<br />

Up to 8 x boiler ON / OFF control for a heating circuit. The first boiler (high efficiency) has highest priority.<br />

S1<br />

* = pressure relief valve<br />

B1 B2<br />

B8<br />

S5<br />

S3<br />

<strong>ECL</strong> <strong>310</strong><br />

+ ECA 32<br />

The first boiler can be a heat pump.<br />

The extension module ECA 32 is used to control boiler 5, 6, 7 and 8.<br />

Sequence for the boilers: Boiler 1, 2 - 3 - 4 - 5 - 6 - 7 - 8. Next day: Boiler 1, 3 - 4 - 5 - 6 - 7 - 8 - 2. Following day: Boiler 1, 4 - 5 - 6 - 7<br />

- 8 - 2 - 3 and so on.<br />

Burner steps are activated according to heat demand.<br />

The last burner step can be disabled if the outdoor temperaure is higher than a set value.<br />

Special settings for type <strong>A375</strong>.1, example h:<br />

P1<br />

Navigation: ID no.: Recommended setting:<br />

Heating circuit (circuit 1)<br />

Sequence type (code) for controlling the burners:<br />

MENU \ Settings \ Boiler: 'Sequence type' 11072 1<br />

Number of total burner steps:<br />

MENU \ Settings \ Boiler: ‘Steps' 11073 1 .... 8<br />

<strong>Danfoss</strong> District Energy VI.GU.L1.02 DEN-SMT/DK 39<br />

A1<br />

*<br />

S7<br />

①<br />

<strong>Danfoss</strong><br />

87H2186.10

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