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Installation
COOLING is from 9 to 40. The
factory preset is 14. The recom-
mended initial setting for hydronic
systems is 35.
The cooling will not go below 9
because compressors require a
longer cycle.
The chart below shows how this
adjustment range affects thermostat
performance.
HEATING COOLING
Anticipation Value Cycle Length Differential Temperature Cycle Length Differential Temperature
Shorter 0.4–0.6 F (0.2–0.3 C) N/A2–8 N/A
Longer Shorter9–20 0.6–1.0 F (0.3–0.6 C) 0.6–1.0 F (0.3–0.6 C)
Hydronic Longer21–40 1.0–1.6 F (0.6–0.9 C) 1.0–1.6 F (0.6–0.9 C)
PROGRAMMABLE COOLPROGRAMMABLE COOL
PROGRAMMABLE COOLPROGRAMMABLE COOL
PROGRAMMABLE COOL
FAN-ON AND FAN-OFFFAN-ON AND FAN-OFF
FAN-ON AND FAN-OFFFAN-ON AND FAN-OFF
FAN-ON AND FAN-OFF
DELAYDELAY
DELAYDELAY
DELAY
This option allows a selection of a
fan-on delay of 1 to 5 seconds on a
call for cool and 1 to 127 seconds of
fan-off delay after the thermostat
has satisfied the call for cool.
A short delay to allow the A-coil to
cool off before the fan turns on may
These numbers are approximate and represent operation with a typical system. Actual temperature differentials and
run times may vary widely based on your building and equipment, as well as outdoor temperature conditions.
be preferred. This also allows the
compressor and the fan to come on
at slightly different times, which
allows full power to the compressor
on start up.
The fan off delay allows the fan to
continue running after the compres-
sor has shut off. This distributes the
cooling that would otherwise stay
trapped in the air conditioning coils
through the ducts. Ideally the timing