Standard And Special Programs - Theben TR 644 top2 Installation And Operating Instructions Manual

Standard program and extra programs
• The standard program P0 (weekly program with switching times, pulse and cycle times or astro-
nomical program) is always active however has the lowest priority and can be superimposed by
the extra programmes P1–P16.
• In extra programs the following is valid: the higher the number the higher the priority. The extra
program 16 has the highest, the extra program 1 the lowest priority.
• Each extra program has an arbitrary number of date ranges available. A extra program becomes
active when at least one date range has been set and is not superimposed by another extra
program with a higher priority during this period. At the start and end of each date range the
hour can also be entered to ensure that the changeover to the respective extra program occurs
on each complete hour.
• The following date ranges can be set in parallel:
– Fixed date (once)
– Fixed date each year
– Easter rule or the Orthodox Church rule (81 days before ... 174 days after Easter)
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