Laars NTH1000, Installation And Operation Instructions Manual

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LAARS Heating Systems Page 114
12.5 Lead/Lag Slave Diagnostics
The control system includes a diagnostic screen that
lists some information on the Lead/Lag slaves in the
system. See Fig. 134.
How to get there –
Home Page <View Lead Lag button> Lead Lag
Screen <Lead Lag Master button> Lead Lag Screen
<Diagnostics button> Lead Lag Slave Status Screen
Fig. 134 - Lead/Lag Diagnostics
Use the left- and right-arrows to see all of the
columns in the display.
12.6 Statistics
The controller can present some summary information
about the operation of the system – number of pump
cycles, number of burner cycles, etc.
How to get there –
Home Page <Select icon> Status Summary Screen
<Configure button> Configuration Menu <Select
Statistics Configuration line> Statistics Configuration
Screen
Fig. 135 – Statistics Configuration Screen
12.7 Analysis
The control system includes an Analysis branch
that can display the behavior over a period of time
for several different parameters: fan speed, outlet
temperature, inlet temperature, etc.
How to get there –
Home Page <Select icon> Status Summary Screen
<Details button> Any Configuration Screen <Analysis
button> Analysis Setup Screen
Fig. 136 – Analysis Setup Screen
To use this function, select the parameter you want
to track from the pull-down list. The system will
present a graph that tracks that variable.
To see the graph for the currently-selected function,
press the View button.
Fig. 137 – Trend Analysis Graph
The time scale can be adjusted by pressing the
Seconds button in the lower left-hand corner.