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Servicing should only be performed by a Qualified Service Agent
CONTROL PANEL ASSEMBLY
Figure 14, Figure 15 on Page 23 and Figure 16 on Page 24 shows the Control Panels Assemblies for the XB boilers/XWH water
heaters. The main components include Control Boards (Master & Local), Display Power Supply, 24 VAC Terminal Block, Step Down
Transformer, Pump Relay, Fuse Block, Input Power 120 VAC Terminal Block, Low Water Cutoff Device and Interlock/Load Control
Input (ILK/LCI) Relays.
FIGURE 14. CONTROL PANEL ASSEMBLY (1000/1300/1700)
Summary of Contents for 100 Series
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