Wiring Diagrams; Tech Settings; Swing Setting Tip - Pro1 Technologies T705 Installation Manual

Wiring Diagrams

Power supply
Factory-installed jumper. Remove only when installing on 2-transformer systems
Use either O or B terminals for changeover valve
Use a small piece of wire (not supplied) to connect W and Y terminals
Set fan operation setting to Electric
Optional 24 VAC common connection when thermostat is used in battery power mode
Typical 1H/1C System: 1 Transformer
C
RC
RH
R
COMPRESSOR
Y
RELAY
C
W
HEAT RELAY
G
FAN RELAY
Typical 1H/1C Heat Pump System
C
RC
RH
R
COMPRESSOR
Y
RELAY
C
COOL CHANGE
W
OVER VALVE
G
FAN RELAY
HEAT CHANGE
OVER VALVE

Tech Settings

Technician Setup Menu
This thermostat has a technician setup menu for easy installer
configuration. To setup the thermostat for your particular application:
1. Press the MENU button
2. Press and hold TECH SET button for 3 seconds. This 3 second
delay is designed so that homeowners do not accidentally access
the installer settings.
3. Configure the installer options as desired using the table below.
Use the or keys to change settings and the NEXT STEP or
PREV STEP key to move from one step to another. Note: Only press
the DONE key when you want to exit the Technician Setup options.
Tech Settings
This feature will flash "FILT" in the
display after the elapsed run time
to remind the user to change the
Filter Change
filter. A setting of "OFF" will disable
Reminder
this feature.
This feature allows the installer
to change the calibration of the
Room
room temperature display. For
Temperature
example, if the thermostat reads
Calibration
70˚ degrees and you would like it
to read 72˚ then select +2.
The compressor short cycle delay
protects the compressor from
Compressor
short cycling. This feature will not
Short Cycle
allow the compressor to be turned
Delay
on for 5 minutes after it was last
turned off.

Swing Setting Tip

Temperature swing, sometimes called differential or cycle rate, can be customized
for this individual application. For most applications choose a swing setting that is
as long as possible without making the occupants uncomfortable.
L2
L1
(HOT)
Typical 1H/1C System: 2 Transformer
REMOVE JUMPER
RC
RH
COMPRESSOR
Y
RELAY
C
W
HEAT RELAY
G
FAN RELAY
L2
L1
(HOT)
B O
LCD Will Show Adjustment Options
You can adjust the filter change
SE
100
reminder from OFF to 2000
Next Step
hours of runtime in 50 hour
F 1
increments.Tap the second
button from the top left side of
the thermostat to display the
Prev Step
current filter elapsed runtime.
You can adjust the room
CAL
temperature display to read
Next Step
4˚above or below the factory
0
calibrated reading.
Prev Step
Selecting "ON" will not allow
Cd
the compressor to be turned on
Next Step
for 5 minutes after the last time
the compressor was switched
off. Select "OFF" to remove this
delay.
Prev Step
Wiring Diagrams
Power supply
Factory-installed jumper. Remove only when installing on 2-transformer systems
Use either O or B terminals for changeover valve
Use a small piece of wire (not supplied) to connect W and Y terminals
Set fan operation setting to Electric
Optional 24 VAC common connection when thermostat is used in battery power mode
Typical Heat-Only System
RC
RH
Y
C
W
HEAT RELAY
C
G
L2
L1
(HOT)
R
C
Typical Cool-Only System
L2
L1
(HOT)
R
RC
RH
COMPRESSOR
Y
RELAY
C
W
G
FAN RELAY
Tech Settings
Tech Settings
The swing setting often called
"cycle rate", "differential" or "
anticipation" is adjustable. A
Cooling
smaller swing setting will cause
more frequent cycles and a larger
Swing
swing setting will cause fewer
cycles.
The swing setting often called "cycle
rate", "differential" or "anticipation"
is adjustable. A smaller swing
Heating
setting will cause more frequent
cycles and a larger swing setting
Swing
will cause fewer cycles.
Default
This feature allows you to set a
maximum heat setpoint value. The
Heating
setpoint temperature cannot be
Setpoint
raised above this value.
0FF
Limit
This feature allows you to set a
minimum cool setpoint value. The
Cooling
setpoint temperature cannot be
Setpoint
lowered below this value.
Limit
0
Select F for Fahenheit temperature
read out or select C for Celsius
read out.
F or C
0N
You can select either a 12 or 24 hour
clock setting.
12 or 24
Hour Clock
C
L2
L1
(HOT)
R
Typical Heat Only System With Fan
RC
RH
Y
C
W
HEAT RELAY
G
FAN RELAY
C
L2
L1
(HOT)
R
LCD Will Show Adjustment Options
The cooling swing setting is
adjustable from 0.2˚ to 2˚. For
example: A swing setting of
Next Step
0.5˚ will turn the cooling on at
05
approximately 0.5˚ above the
setpoint and turn the cooling
off at approximately 0.5˚ below
Prev Step
the setpoint.
The heating swing setting is
dFHE
adjustable from 0.2˚ to 2˚. For
example: A swing setting of
Next Step
0.5˚ will turn the heating on at
04
approximately 0.5˚ below the
setpoint and turn the heating
off at approximately 0.5˚ above
Prev Step the setpoint.
HE L
Use the and
select the maximum heat
Next Step
setpoint.
Prev Step
CO L
Use the and
select the minimum cool
Next Step
setpoint.
Prev Step
F for Fahrenheit
FC
Next Step
F
C for Celsius
Prev Step
Use the and
or 24 hour clock.
Next Step
Prev Step
C
L2
L1
(HOT)
R
Default
0.5
0.4
key to
90
key to
44
F
to select 12
12