U.S. Boiler Company Alpine ALP500C, Installation, Operating And Service Instructions

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X. Operation
E. Boiler Sequence Of Operation (continued)
Pumping is a major part of any hydronic system. This screen provides the
status of the boiler’s demand to connected pumps as well as the status of Frost
Protection and pump Exercise functions.
This screen provides the status of the boilers five (5) possible heat demands.
When demand is off the Control has not detected the call-for-heat. This screen
allows the user to determine which demands are present when more than one
demand is present.
Circulator Status Screen
nOTE
Only visible if Zone Panel is con -
nected. Zone Panel 1 and 2 shown
typical for 1 through 4.
Zone Control Status Screens
nOTE
Zone cycles are resettable by select -
ing the “Reset Cycle Counts” button
located on the information screen.
Zone Control Status
Screen provides status and a page links
for up to four zone panels. Individual
zone “on” status is shown by a bold zone
number with a solid underscore. “Press”
the zone control “button” to view individual
zone .
Zone Panel 1 (typical for 2 through 4)
Zone panel screens show individual zone
status, cycle counts and individual zone
heat loss size in kbtu/hr. Individual zone
heat loss may be adjusted under the Adjust
“Modulation” menu. Also zone descriptions
may be modified using the “Zone Control
Description Setup” menu.
Detail screens are accessed by selecting the “Detail” button from the “Home” screen. These screens provide in depth operating
parameter status such as “On Point”, “Off Point” and “Setpoint Source” information. Demand-specific details are provided for Cen -
tral Heat, Auxiliary Heat, Domestic Hot Water and the Sequence Master demands. Detail screens also provide details on outdoor
air reset and Sequencer network status. Sequencer screens are only shown when the Sequence Master is enabled and, Auxiliary
Heat screen is only shown when a Zone Panel is connected.
Demand Detail Display
(Central Heat shown, Typical for
Auxiliary Heat, Domestic Hot Water
and Sequencer Master)
Outdoor reset Display
(Central Heat shown,
Typical for Auxiliary Heat)
Head Demand Screen
4. Detail Screens