Figure 3-9: Apex, Alpine, ASPEN, Phantom-X or Raptor with Panasonic Display Network
Wiring
IMPORTANT NOTES for Apex with Panasonic display Connections:
1. When the Energy Management system is connected, boiler sequencing (multiple boiler lead/lag) must be
done external to the boiler controls, by other means.
2. Both Enable/Disable and Remote Firing Rate must be wired to the boilers to provide boiler sequencing
(multiple boiler lead/lag).
3. If the burner on/off Modbus signal is used instead of the Enable / Disable contact input the boiler will be turned
off, but the system pump may remain running.
4. The Sequencer must be disabled while communicating with EMS (i.e. no Master Boilers).
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