GOLD GV Water boiler series 3 — manual
IIc Prepare boiler — orifice plate
Check for correct orifice plate and replace if necessary
The correct orifice plate must be used. Failure to do so will result in severe personal injury, death or substantial property damage.
Natural gas:
For natural gas installations, inspect the silver gas/air orifice plate marking. It must be the same as the boiler size. If the orifice plate is stamped with another size, obtain the correct plate from your wholesaler. The boiler size is stamped where the “X” is shown in the plate stamping, Figure 5b.
Figure 5a
Check for correct orifice plate and replace if necessary.
Leave boiler on its back, on the skid, until inspection/ replacement is completed.
Propane:
For propane installations, replace the silver gas/air orifice plate with the red/white plate, per following instructions. Ensure the red/white plate boiler size is correct for the GV boiler being installed. The boiler size is stamped where the “X” is shown in the plate stamping, Figure 5b.
Also fill out the propane label in the conversion kit and attach to the left side of the jacket, above the gas inlet opening, as shown in Figure 5a.
Plate installation
Access the bottom of the blower housing as shown in Figure 5a.
To inspect the plate only, read the marking on the plate edge. It must read the same as the boiler size and fuel.
To replace the plate, using a manual screwdriver or nut driver, see Figure 5b:
1.Loosen screws 1 and 2 two full turns.
2.Remove screws 3 and 4.
3.Pull the gas/air orifice plate forward to remove it.
4.Slide in the new plate as shown in Figure 5b. The red side of a propane plate must go next to the blower housing as shown.
5.Replace screws 3 and 4. Tighten all four screws securely and uniformly. DO NOT overtighten. DO NOT exceed 40
6.Bend down plate label tab at score mark as shown in lower right corner of Figure 5b.
Remove jacket front panel to access the bottom side of the blower housing.
Complete the propane conversion label included with the conversion kit. Install label on jacket left side, as shown.
| Leave the boiler on its back, on the skid as |
| shown, until you have checked the gas/air orifice |
85004a | plate and replace it if necessary. |
18 | Part number |
