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B12 - checking the condensate trap level switch, Checking the condensate trap water level switch, See procedure b12 – LAARS NeoTherm NTV (Sizes 150–285 MBTU/h) - Service Manual User Manual

Page 40: Checking condensate trap level switch, Checking the condensate trap level switch

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Service Manual NeoTherm 80 - NeoTherm 285

Checking the Condensate Trap Level Switch

B12

24V AC present?

(switch open)

No

Yes

See Section B3 -

“Checking the Safety Interlocks”

Check for 24V AC across switch.

Test switch, replace if necessary.

See the test procedure -

Section B13.

Outlet blocked?

No

Yes

Flush outlet with water.

Check for blocked or frozen condensate outlet.

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