Pro1 T855i Installation manual - Manual (Page 8)

8
The second stage will turn on at 2x the swing setting. The second stage will turn off when
1x the swing is reached. For example, if the swing setting is .5 degrees for heating and the
thermostat is set at 70ºF, the first stage will turn on at approximately 69.5ºF. The second
stage will turn on at 69.0ºF. The second stage will turn off at 69.5ºF and the first will turn off
at 70.5ºF. If third stage is used, it will turn on at 3x the swing and turn off at approximately 2x the swing.
Swing Setting Tip
Heating
Temperature
Setpoint Limit
This feature allows
you to set a
maximum heat
setpoint value. The
setpoint tempera-
ture cannot be
raised above this
value.
Use the or
key to select
the maximum heat
setpoint.
Range 44ºF - 90ºF
90ºF
LCD Will Show
Adjustment Options
Tech Setup Steps (Continued from the previous page)
Factory Default Setting
Cooling
Temperature
Setpoint Limit
This feature allows
you to set a
minimum cool
setpoint value. The
setpoint tempera-
ture cannot be
lowered below this
value.
Use the or
key to select the
minimum cool
setpoint.
Range 44ºF - 90ºF
44ºF
ºF or ºC
This feature allows
you to display
temperatures in
either Fahrenheit
or Celsius.
ºF for Fahrenheit
ºC for Celsius
ºF
TECHNICIAN SETUP MENU
12 or 24
Hour Clock
Use the or
key to select 12 or
24 hour clock.
You can select
either a 12 or 24
hour clock setting.
12 Hour Clock
TECH SETUP
STEPS CONTINUED
ON THE NEXT PAGE
Program
Options
You can configure this
thermostat to have a
7 day program, a
5+1+1 program or
nonprogrammable.
Use the or
key to select 7d for 7
day, 5d for 5+1+1, or
0d for
nonprogrammable.
7d
HEAT SET LIMIT
NEXT preV done
HE
90
COOL SET LIMIT
NEXT preV done
c0
44
f or c set
NEXT preV done
80
44
F
F
CLOCK SET
NEXT preV done
12H
Fan
Operation
GAS
Select GAS for
systems that control
the fan during a call
for heat.
Select ELEC to have
the thermostat
control the fan
during a call for heat.
GAS
or
ELEC
FAN OPERATION
NEXT preV done
GAS
Morning
Recovery
Use the or
key to turn on or off.
OFF
This feature will start
heating early to bring
the building
temperature to its
programmed
setpoint by the
beginning of the time
period -
(WAKE, OCCUPIED).
MORNING recovery
NEXT preV done
OFF
program
NEXT preV done
5
Time Periods
4
You can configure
this thermostat to
have 2 or 4
programmable
time periods per
day.
2 time periods is
Occupied/Unoccupied
4 time periods are
Wake, Leave, Return
Sleep.
Use the or
key to select 2 or 4
time periods per day.
Time periods a day
NEXT preV done
4