Lochinvar Harmony Installation And Operation Manual page 13

-- OPERATING MODE --
>NORMAL
PROCESS
-- OPERATING MODE --
NORMAL
>PROCESS
-- OPERATING MODE --
NORMAL
>PROCESS
SELECTING THE OPERATING MODE
Press to
ADJUST
select
Normal
PRESS TO SELECT
• Most heating applications do not experience rapid changes in
system temperature. For these systems, it is best to adjust the
modulation based on the rate of system rise or fall. This PID type of
or turn
ADJUST
algorithm will help to prevent short cycling of the stages, reduce
to scroll
thermal stress on the system, and maintain an accurate system
down
PRESS TO SELECT
temperature. If your equipment is of this type, select Normal.
• Systems that run for process may experience large changes in load
Press to
almost instantaneously. In Process mode, the Harmony will react
ADJUST
select
immediately to load changes. Large load changes may cause stages
Process
PRESS TO SELECT
to be short cycled, as the Harmony can enable and disable stages
within seconds.
After making this selection, the main display screen will be displayed.
Default - Normal
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