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Zone Control Wizard Setup 1 Zone Circuit: Fixed Set Point OR Weather Compensated
Select the correct number of Zone Circuit
connections with respect to the number
of thermostats connected to the DE connections.
Press OK
Depending on how the zone temperature
set point is determined, select either
Fixed Setpoint or Weather Compensated.
Adjustments to either setting will follow.
Select the desired pump output that will be
enabled during a ZC call. When there is a call,
the output will be energized for the duration
of the call.
The zone circuit setting output summary shows the
selected pumps depending on the number
of zones selected in the very beginning.
The Start-up is finished and boiler is ready
for operation.
Fixed Setpoint: Enter the value that is to be used by
the boiler as a target water temperature when there
is a call for heat.
Weather Compensated: The Slope and Shift
settings can be adjusted to allow a heating
curve to be set. When there is a zone heat
demand, the calculated set point will be used
as long as the demand is present.
This particular application represents a low mass boiler with a single system loop. Because the system
flow requirements may vary or fall outside of the parameters of the boiler's recommended flow, it is beneficial
to hydraulically separate the system flow from the boiler flow. This can be achieved by using a low loss header or
closely spaced tees on the system loop. A low loss header sensor can be installed allowing better system control
and increased efficiency. A ZC1 thermostat call will be sensed by the EA1 module and turn on the configured
28/20 P3 pump providing the necessary flow. Depending on the ZC1 configuration, it is possible to provide either a
fixed setpoint or a weather compensated control option.
Содержание Vitodens 200-W B2HA series
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