Pro1 T855i Installation manual - Manual (Page 9)

Contractor Call Number Note: Use the plus or minus key to select the desired number and the FAN
or SYSTEM key to move from one character to another. If contractor Call Number is selected ON,
your phone number will show in the display if there has been a continuous call for heating or cooling
for 24 hours or if the light button is held down for 3 seconds. To remove the phone number from the
display, hold the light button down for 3 seconds.
9
LCD Will Show
Adjustment Options
Factory Default Setting
TECHNICIAN SETUP MENU
TECH SETUP
STEPS CONTINUED
ON THE NEXT PAGE
Tech Setup Steps (Continued from the previous page)
AUTO
AUTO
l
NEXT preV done
off
CONTRACTOR NUMBER
NEXT preV done
0000000000
NEXT preV done
call
on
NEXT preV done
beep
off
NEXT preV done
heat pump
5 y5
se
cool off heat
off
AG
GAS AUX heat
Next preV done Next preV done
2H2c
heat cool stgs
Next preV done NEXT preV done
Contractor
Call Number
Beep Heat Pump
System
Set
Gas Auxiliary
for Heat Pump
When any key is
pressed an audible
beep will sound.
You can choose
ON or OFF
If ON is selected
the beep will
sound.
If OFF is selected,
there is no sound.
OFF
When turned on
the thermostat
will operate a
heat pump.
1. EM.Heat will
show as an option
in the system
switch.
2. Y will be first
stage of heat &
cool, W/E will be
emergency heat
relay & W2 will
be auxiliary heat
OFF configures
the thermostat
for non heat
pump systems.
ON configures
the thermostat
for heat pump
systems.
Heat - Off - Cool
Set system switch for
your application.
COOL
HEAT
AUTO (auto changeover)
EHT (emergency heat-
heat pump only)
Use the or
key until the desired
application is
flashing.
OFF
This option will turn
the heat pump off 45
seconds after the
auxiliary heat relay
turns on.
For 2 heat
applications, the first stage
will turn off 45 seconds
after the auxiliary stage
turns on.
For 3 heat
applications, the first
and second stage will
turn off 45 seconds
after the auxiliary
stage turns on.
For heat pump
systems that are
“dual fuel” (use a gas
furnace for auxiliary
stage heat) you can
turn this feature on
to turn off the heat
pump when the
auxiliary stage of
heating has been
called for.
Allows you to put
your phone
number in the
display.
You can choose
ON or OFF
See note below on
operation.
If selected ON , you
will see the input
screen after pressing
next step.
OFF
Display
Light
The display light can
be configured to
operate 3 different
ways. To come on
only when the Light
Key is pressed, when
Any Key is pressed,
or stay on ALL of
the time.
You can configure this
thermostat to operate up
to a 2 heat/2 cool
conventional, or up to
a 4 heat/2 Cool heat
pump system.
First set the heat stages
then set the cool stages
Stages of Heat will be
flashing first. Set your
number of heat stages
then press Next. Stages
of cool will now be
flashing. Set your
number of cool stages.
See page 6 for terminal
references.
Stages of Heat
and Cool
2 Stages
‘OFF’ - Only light
key on
‘AUTO’- Any key ON
‘ON’ - Always On
ON
Pre Occupancy
Fan
The pre occupancy
fan settings will
energize the fan
before the occupied
time to provide
ventilation prior to
scheduled
occupancy.
This feature only
shows if technician
setup step for time
periods is set to
2C or 4C.
You can select the
pre occupancy fan
from OFF, 1, 2, or
3 hours.
If 1, 2, or 3 is
selected, the fan
will turn on that
many hours prior
to the scheduled
occupied time
period.
OFF
PRE OCCUPY FAN
COOL HEAT
HEAT- (heat only)
COOL- (cool only)
COOL HEAT AUTO -
(auto changeover)
(heat pump)
COOL HEAT EHT
COOL HEAT EHT AUTO