Lochinvar EcoShield SHW35-245CE Installation, Commissioning & Maintenance Instructions page 54

SHW35-245CE – SHW86-410CE
1. Remove the front access cover from the unit.
2. Remove the impulse tube and wiring plug from the gas valve.
3. Remove the four screws securing the gas valve to the venturi (Figure 16.2.3).
4. 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 Table 16.2.1). Place the orifice into the black rubber grommet in the front of the gas valve ensuring the orifice and grommet are
seated correctly (Figure 16.2.3).
5. Reposition the gas valve against the venturi and replace the screws (Figure 16.2.3) securing the valve to the venturi.
6. Refit the impulse tube and wiring plug to the gas valve.
7. After installation is complete, attach the propane conversion label (in the conversion kit bag) next to the water heater rating plate.
Attach the LP caution label (in the conversion kit bag) to the left side of the unit in the lower left corner.
8. Replace the front access cover.
CONVERSION PROCEDURE SHW35-2455CE – SHW86-410CE
SHW116-410CE
1. Remove the front access cover
2. Remove the impulse tube and wiring plug from the gas valve.
3. Remove the three screws securing the venturi to the fan.
NOTE: 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 Table 16.2.1LPG ORIFICE
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
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 LP caution label (in the conversion kit bag) to the left side of the unit in the lower left corner.
11. Replace the front access
from the unit.
MARKING).
Figure 16.2.5.
(Figure 16.2.5).
cover.
(Figure
(Figure 16.2.5).
(Figure 16.2.5) securing the valve to the venturi.
16.2.5).
54