Service manual

Page 86
© January 2013 Aqua-Hot
®
600-D01 Series Hydronic Heating System Service Manual - Rev. A
SECTION 9: DIESEL-BURNER COMPONENTS
Ignition Coil:
Replacement Procedure:
1. Disconnect the ignition cables from the ignition
electrodes. Remove the four ignition coil screws
that secure the ignition coil to the protection cap.
Lift the ignition coil and disconnect its wires from
the C-plug harness wires, prior to removing.
2. Disconnect the ignition cables, on the defective
ignition coil, from the ignition electrodes.
3. Connect the new ignition coil cables, to the ignition
electrodes.
4. Connect the new ignition coil’s black (+) and brown
(-) wires to the C-plug harness’ yellow (+) and
brown (-) wires. Attach the ignition coil to the
protection cap with the four ignition coil screws,
then reconnect the ignition cables to the ignition
electrodes.
5. Follow the instructions for reattaching the diesel
burner and test for proper operation.
NOTE:
In order to perform the following procedures it is
necessary to detach and reattach the diesel-burner head. Be
sure to review the section for detaching and reattaching the
diesel burner..
NOTE: If the new ignition coil does not function, check
wire connections and ensure they are properly connected.
Figure 61