Lochinvar ECOKNIGHT EKW116CE Installation, Commissioning, Maintenance And User Instructions page 74

If the water heater is already installed and operational, you must turn off the gas supply, turn off the power supply and allow the
water heater to cool before proceeding. The conversion procedure is as follows:
19.2.2
EKW116CE
1. Remove the top and front access covers from the unit (no tools required for removal).
2. Remove the impulse tube and wiring plug from the gas valve.
3. Remove the three screws securing the venturi to the fan.
When separating the venturi from the fan, take care not to damage the O-ring inside the fan.
4. Remove the four cap-head screws securing the gas valve to the venturi.
5. Locate the propane orifice disk from the conversion kit bag. Verify that the stamping on the orifice disk is correct for the
water heater see
6. Remove the existing orifice from the O-ring in the side of the gas valve and replace it with the orifice from the kit. Position
and secure the orifice in the valve as shown in.
7. Reposition the gas valve against the venturi and replace the star-drive screws securing the valve to the venturi.
8. Inspect the O-ring inside the fan. Handle the O-ring with care, do not damage. Reposition the venturi against the fan and
replace the screws securing the venturi to the fan.
9. Refit the impulse tube and wiring plug to the gas valve.
10. After installation is complete, attach the propane conversion label (in the conversion kit bag) next to the water heater rating
plate. Attach the LPG caution label (in the conversion kit bag) to the left side of the unit in the lower left corner.
11. Replace the top and front access covers.
19.2.3
CONVERSION PROCEDURE EKW116CE
18.2.1.
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