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
“Checking the Safety Interlocks”
Check for 24V AC across switch.
Test switch, replace if necessary.
See the test procedure -
Outlet blocked?
No
Yes
Flush outlet with water.
Check for blocked or frozen condensate outlet.
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