Pro1 T855i Installation manual - Manual (Page 7)

7
Filter
Change
Reminder
This feature will
flash “FILT” in the
display after the
elapsed run time
to remind the user
to change the
filter. A setting of
“OFF” will disable
this feature.
You can adjust the
filter change
reminder from
“OFF” to 2000
hours of runtime in
50 hour
increments.
OFF
LCD Will Show
Adjustment Options
This feature allows
the installer to
change the
calibration of the
room temperature
display. For example,
if the thermostat
reads 70° and you
would like it to read
72° then select +2.
Room
Temperature
Calibration
You can adjust the
room temperature
display to read -4°F to
+4°F above or below
the factory calibrated
reading.
0 ºF
Minimum
Compressor On
Time
This feature allows the
installer to select the
minimum run time for
the compressor. For
example, a setting of 4
will force the
compressor to run for
at least 4 minutes
every time the
compressor turns on,
regardless of the room
temperature.
You can select the
minimum compressor
run time from “OFF”,
“3”, “4”, or “5” minutes.
If 3, 4, or 5 is selected,
the compressor will run
for at least the selected
time before turning off.
OFF
Compressor
Short Cycle
Delay
Tech Setup Steps
The compressor short
cycle delay protects
the compressor from
“short cycling”. This
feature will not allow
the compressor to be
turned on for 5
minutes after it was
last turned off.
Selecting “ON” will not
allow the compressor
to be turned on for 5
minutes after the last
time the compressor
was on. Select “OFF” to
remove this delay.
ON
Cooling
Swing
The swing setting
often called “cycle
rate”, “differential” or
“anticipation” is
adjustable. A smaller
swing setting will
cause more frequent
cycles and a larger
swing setting will
cause fewer cycles.
The heating swing
setting is adjustable
from 0.2°F to 2°F. For
example: A swing
setting of 0.5°F will
turn the heating on at
approximately 0.5°F
below the setpoint and
turn the heating off at
approximately 0.5°F
above the setpoint.
The cooling swing
setting is adjustable
from 0.2°F to 2°F.
For example: A swing
setting of 0.5°F will
turn the cooling on at
approximately 0.5°F
above the setpoint
and turn the cooling
off at approximately
0.5°F below the
setpoint.
0.5 ºF 0.4 ºF
Heating
Swing
The swing setting
often called “cycle rate”,
“differential” or
“anticipation” is
adjustable. A smaller
swing setting will
cause more frequent
cycles and a larger
swing setting will
cause fewer cycles.
TECH SETUP
STEPS CONTINUED
ON THE NEXT PAGE
Keypad
Lockout
Keypad lockout allows
you to configure the
thermostat so that
none or some of the
keys do not function.
OF = keypad lockout
has been disabled.
PA = partial keypad
lockout, which locks all
the keys except the
or keys.
FU = Full keypad
lockout, which locks
out all the keys.
See note below on
operation.
PA
Technician Setup Menu - System Operation
This thermostat has a technician setup menu
for easy installer configuration. To setup the
thermostat for your particular application:
1.
2.
Factory Default Setting
Configure the installer options as desired,
using the table below.
Use the or keys to
change settings and the PREV or NEXT key
to move from one step to another.
Note: Only press DONE key when you want
to exit the Technician Setup options.
Press DONE key to exit.
+ -
3.
Press MENU button.
TECHNICIAN SETUP MENU
Press and hold TECH
button for 3 seconds. This 3 second delay
is designed so that homeowners do not
accidentally access the installer settings.
4.
Note: The function of activating your Keypad Lockout choice takes place
after you have exited Tech Setup. If you do not perform this activation
procedure, all keys will function freely. To lock the keypad hold down the
and keys for 3 seconds.You will see a lock in the display. To unlock
the keypad hold down the and keys for 3 seconds.
OFF
se
filter 0000
next preV done RST
cal
0
CALIBRATE
NEXT preV done
F
OFF
MIN COMP ON TIME
NEXT preV done
ON
COMPRESSOR DELAY
NEXT preV done
C0
0F
COoling Swing
NEXT preV done
0.5
Heating swing
NEXT preV done
0.4
keypad lockout
NEXT preV done
pa