Install Instructions

45
Figure 23B: Schematic Wiring Diagram, Steam Boiler, McDonnell & Miller PS-801 Probe LWCO (Riello Burners)
SECTION IX: ELECTRICAL (continued)
McDonnell & Miller PS-801
Terminals May Be Lettered or
Numbered as Follows:
Wire
Color
Numbered
Terminals
Lettered
Terminals
RD 5 B
BK 1 H
WH 2 N
Jumper 1-3 H-C
(SEE FIGURE 25 FOR SCHEMATIC WIRING DIAGRAM OF APPROPRIATE BURNER AND OIL PRIMARY CONTROL OPTION)