4
7
5
8
6
9
10
11
12
13
14
15
Wiring Diagrams
Single Compressor
Cool Active
Heat Pump – with electric backup
Dual Compressor
Cool Active
Heat Pump
Note:
For systems without emergency strip heat, a jumper wire should be placed between W2 & E.
Transformer
120
VAC
24 VAC
Reversing Valve
Compressor
Auxiliary Heat
Service Led Wire
Emergency Heat
Fan
Compressor #2
Transformer
120
VAC
24 VAC
Reversing Valve
Compressor #1
Service Led Wire
Emergency Heat
Fan
NOTE:
Place jumper between W2 and Y2
Single Compressor
Heat Active
Heat Pump – with electric backup
Dual Compressor
Heat Active
Heat Pump
Note:
For systems without emergency strip heat, a jumper wire should be placed between W2 & E.
Transformer
120
VAC
24 VAC
Reversing Valve
Compressor
Auxiliary Heat
Service Led Wire
Emergency Heat
Fan
Compressor #2
Transformer
120
VAC
24 VAC
Reversing Valve
Compressor #1
Service Led Wire
Emergency Heat
Fan
NOTE:
Place jumper between W2 and Y2
Operation
Setting the Setpoint Temperature
Parts Diagram
Reset switch
Configuration switch
Mode switch
Up button
Down button
Fan switch
Left (PROG) button
Right (HOLD) button
Field programming pins
The SimpleComfort
®
SC3211L
thermostat has buttons that are used to:
• Adjust the setpoints of the thermostat
• Set the operation mode
• Program the schedule
• Enter vacation Hold
• Reset the thermostat
• Activate the program feature
1. With the system switch in
Heat, Emergency Heat
or
Cool
, the current temperature setpoint displays.
2. Press the
up
or
down
button until the desired temperature setpoint displays.
3. The new temperature setpoint is automatically saved in memory.
6.
Lockout
(0°F-8°F) (0°C-4°C)
–
Select the number of degrees set
temperature can be changed during keypad lockout
Press the
up
or
down
button to select.
Press the
right
button to advance to the next screen.
7.
Maximum Heat Setpoint
(45°F to 90°F) (7°C to 32°C)
Adjust to control the maximum heat set temperature allowed.
Press the
up
or
down
button to select.
Press the
right
button to advance to the next screen.
5.
Auxiliary Delay ON
– (0-30 minutes) – Set the delay time in minutes for auxiliary
heat to be locked out after a call for second stage. This extra savings feature is
used to temporarily lock out auxiliary heat devices, allowing just heat pump to try to
satisfy heat call.
Press the
up
or
down
button to select.
Press the
right
button to advance to the next screen.
4.
Staged Off Outputs
Select whether the outputs for heating and cooling are staged off independently or
are satisfied simultaneously.
1 = outputs staged off independently
0 = outputs off simultaneously
Press the
up
or
down
button to set.
Press the
right
button to advance to the next screen.
Configuration Mode Settings
The setup screens for Configuration Mode are as follows:
1.
Temperature Scale (F or C) –
Choose Fahrenheit or Celsius.
Press the
up
or
down
button to select.
Press the
right
button to advance to the next screen.
3.
2
nd
Stage Temperature Differential
(1°F to 5°F) (1°C to 3°C)
Set the number of degrees between when stage 1 turns on and when stage 2 turns
on.
Press the
up
or
down
button to set differential value.
Press the
right
button to advance to the next screen.
2.
1
st
Stage Temperature Differential
(1°F to 5°F) (1°C to 3°C)
Set the number of degrees between your “setpoint” temperature and your “turn on”
temperature.
Press the
up
or
down
button to set differential value.
Press the
right
button to advance to the next screen.
Configuration Mode
1.
Verify the
SC3211L
is in the
OFF
mode.
Slide the system switch until off mode displays.
2. Remove the cover of the thermostat by gently pulling near one of the corners at
the top of the thermostat.
3. Press the
CONFIG
button for 1 second while the
SC3211L
is in
OFF
mode.
To exit confi
guration mode, press the
CONFIG
switch for 1 second or slide
the mode switch to heat or cool.
Press the
up
or
down
button to change settings within each screen.
Down
button
Up
button
Press the
right
button to advance to the next screen.
Note:
Pressing the
left
button will return you to the previous screen.
Left
button
Right
button
The configuration mode is used to set the
SC3211L
to match your heat pump system.
To configure the
SC3211L
, perform the following steps:
8.
Minimum Cool Setpoint
(45°F to 90°F) (7°C to 32°C)
Adjust to control the minimum cool set temperature allowed.
Press the
up
or
down
button to select.
Press the
right
button to advance to the next screen.
9.
Room Temperature Offset
(+9°F to -9°F) (+5°C to -4°C)
Adjust to calibrate displayed room temperature to match actual room temperature.
Press the
up
or
down
button to select.
Press the
right
button to advance to the next screen.
10.
Maximum Cycles Allowed Per Hour
(- -, 2-6)
- - = as many as needed, 2-6 = maximum cycles/hour
Press the
up
or
down
button to select.
To exit configuration mode, press
the
configuration
button for 2 seconds or slide the
mode switch to heat or cool.
Starting the Thermostat
CAUTION!
:
Do not use air conditioning when the outdoor temperature is below 50 degrees. This can damage
your air conditioning system and cause personal injuries.
1. Move the
Fan Auto/On
switch to the
Auto
position.
2. Move the
Cool/Off/Heat
switch to
Cool
or
Heat
, depending on the season.
Room Temperature
OFF Indicator
Time
Testing the Thermostat
Once the thermostat is installed, it should be thoroughly tested.
CAUTION!
:
Do not energize the air conditioning system when the outdoor temperature is below 50 degrees. It
can result in equipment damage or personal injury.
Cool Test
1. Slide system switch to Cool position. Cool mode screen is displayed.
2. Adjust set temperature so it is 5 degrees below room temperature.
3. Air conditioning should come on within a few seconds.
4. Adjust the set temperature 2 degrees above the room temperature and the A/C should
turn off. There may be a fan delay on your system.
Note:
There is a four minute delay to protect your compressor.
Heat Test
1. Slide system switch to Heat position. Heat mode screen is displayed.
2. Adjust the set temperature so it is 5 degrees above the room temperature.
3. Heat should come on within a few seconds.
4. Adjust the set temperature so it is 2 degrees below the room temperature and the
heat should turn off. There may be a fan delay on your system.
Note:
There is a four minute delay to protect your compressor.
Fan Test
1. Slide Fan switch to
On
position.
2. Indoor fan turns
ON
.
3. Slide Fan switch to
Auto
position.
4. Indoor fan turns
OFF
.
Operating Modes
OFF Mode
• In this mode, the thermostat will not turn on the heating or cooling devices (manual fan can operate)
•
OFF
mode is also used to access setup and the program schedule
Cool Mode
• In this mode, the thermostat controls the cooling system
• Press the
PROG
button to enter and exit
Program Cool
mode
• In
Program Cool
(PROG solid on display)
mode, the thermostat will follow the program schedule that is stored in
memory
Heat Mode
• In this mode, the thermostat controls the heating system
• Press the
PROG
button to enter or exit the
Program Heat
mode
• In
Program Heat
(PROG solid on display)
mode, the thermostat will follow the program schedule that is stored in
memory
Emergency Heat Mode
• In this mode, the thermostat controls the heating system and the heat pump is disabled
• Press the
PROG
button to enter or exit the
Program Emergency Heat
mode
• In
Program Emergency Heat
(PROG solid on display)
mode, the thermostat will follow the program schedule that
is stored in memory
Hold Functions
When in
Programmable Cool
,
Programmable Heat or Programmable Emergency Heat
, you can lock in the
present settings indefinitely by pressing the
Hold
button once (PROG flashes). Press
Hold
button again to exit
Hold
mode (PROG solid). For a temporary hold period, raise or lower set temperature to desired set temperature. The
thermostat will automatically return to programmed set temperature after 2 hours.
Setting the Time and Day of the Week
2. Press and hold the
PROG
button (left) and
HOLD
(right) buttons (simultaneously) in for 6 seconds.
1. Slide the system switch to the OFF position. You are in the OFF mode.
The time and day of the week must be set for your program schedule to operate correctly.
5. Press the
HOLD
(right) button once to select day of the week (TODAY flashing).
Press the up or down button to select current day of the week
(01/Monday, 02/Tuesday, etc.).
Note:
At any time, press the
PROG
(left) button to return to the previous screen or
press the
HOLD
(right) button to advance to the next screen.
Press the
PROG
button and
HOLD
button (simultaneously) in for 2 seconds to lock
values into memory and return to the OFF mode or press the
HOLD
(right) button once
to enter programming.
4. Press the
HOLD
(right) button once to select minutes (minutes flashing).
Press the up or down button to adjust the minutes.
3.
Time displays (hour flashing).
Press the up or down button to adjust the hour.
Setting the program schedule:
1. Slide the
system switch to the center position. You are in
OFF
mode.
2. Press and hold the
PROG
and
HOLD
buttons (pressed simultaneously) for 6 seconds.
3. Press the
HOLD
(right) button 3 times.
4. Day 1-7 are blinking.
From this screen you have 2 options:
1. Press the
HOLD
(right) button to begin programming all 7 days at one time, or
2. Press the up button to see the other programming options.
Note:
The days of the week shown on the display will be programmed simultaneously.
The screens are listed below.
Screen 1
1-7
SUN
MON
TUE
WED
THU
FRI
SAT
Screen 2
1-5
MON
TUE
WED
THU
FRI
Screen 3
01
MON
Screen 4
02
TUE
Screen 5
03
WED
Screen 6
04
THU
Screen 7
05
FRI
Screen 8
6-7
SUN
SAT
Screen 9
06
SAT
Screen 10
07
SUN
Program Overview
The
SC3211L
programmable thermostat has four periods (MORN, DAY, EVE, NITE) that are customizable for each
day of the week. Each period will have a start time, heat temperature, and cool temperature. The
SC3211L
monitors
the day and time, while maintaining the specific conditions you have chosen for each period in your program.
