LAARS NeoTherm NTV (Sizes 150–850 MBTU/h) - Install and Operating Manual - Manual (Page 51)

Page 47 N eo T herm Boilers and Water heaters
8C.12 Ladder and Wiring Diagrams
(See Figures 43 through 45.)
WARNING
When servicing the controls, label all wires prior to
disconnection. Wiring errors can cause improper and
dangerous operation. Verify proper operation after
servicing.
Figure 43 - Ladder Diagram