4
13.
Turn on the front thermostat body over exposing the rear view of the circuit board.
14.
Locate the internal fan option switch,
HG
(Gas) /
HE
(Elec) on the circuit board. This
switch controls the heating system fan delay. Select gas for gas or oil fired systems.
This will allow the furnace to run for a few seconds before initiating the fan. Select
electric for systems with electric furnace elements that require that fan to come on
immediately.
15.
Using your fingers, ge ntly flip the switch towards the the
HG
(Gas) or
HE
(Elec)
selection which indicates the low voltage heating system the thermostat will control.
16.
Attach front body of thermostat to rear body of thermostat being careful to align the
terminal pins on the front body with the terminal block on the rear body.
17.
Open front thermostat door and open battery compartment door.
18.
Install two new "AA" alkaline batteries into battery compartment. Make sure to locate
the positive (+) ends of the batteries and match them with the positive (+) terminals
located in the battery compartment.
19.
Close battery compartment.
20.
Restore system power so you can test installation.
3.2
Installing Your New Thermostat cont..
TESTING YOUR
NEW THERMOSTAT
4
NOTE: Test your thermostat prior to programming any user settings. Pressing the
RESET button will erase any user entries for time of day, day of week, option settings
and programming if previously programmed. This will return all user settings and
return them to their default values. Remember, this will erase all programs entered by
the user.
WARNING!
Read BEFORE Testing
• Do not short (or jumper) across terminals on the gas valve or at the heating or
cooling system control board to test the thermostat installation. This could damage
the thermostat and void the warranty.
• Do not select COOL mode of operation if the outside temperature is below 50˚ F
(10˚ C). This could possibly damage the controlled cooling system & may cause
personal injury.
• This thermostat includes an automatic compressor protection feature to avoid
potential damage to the cooling system from short cycling. This thermostat
automatically provides a 5-minute delay after turning off the cooling system output
to protect the compressor. This protection is also present in the heat mode of
operation on single stage heat pump systems to protect the compressor.
1. Place the system switch in the HEAT position.
2. Press the button on the keypad until the setpoint temperature setting is a minimum of 3 degrees
higher than the current room temperature. The heating system should start within several
seconds. The fan may not turn on immediately due to the heating system built-in fan delay.
3. Place the system switch in the OFF position. The heating system should stop within several
seconds.
4. Wait 5 minutes for the automatic compressor short cycle protection period to expire, or press the
RESET button to bypass this feature for initial testing purposes. Pressing the RESET button will
erase any user entries for time of day, day of week, option settings & programming if previously
programmed.
5. Place the system switch in the COOL position.
INSTALLATION
3
cont.
5
TESTING YOUR
NEW THERMOSTAT
4
6. Press the button on the keypad until the setpoint temperature is a minimum of 3 degrees lower
than the current room temperature.
7. The cooling system should start within several seconds. Place the system switch in the OFF
position. The cooling system should stop within 90 seconds (dependent on the setting of the
Residual Cooling Fan Feature).
8. Place the fan switch in the ON position. The system blower should start.
9. Place the fan switch in the AUTO position. The system blower should stop.
cont.
PROGRAMMING
5
5.1
Default Thermostat Settings
5.2
Setting Current Time of Day and Day of Week
1.
When in normal operating mode, press DAY/TIME keypad button. LCD display will be
cleared except for the time, am/pm indicator and the day of the week. The hour portion of
the time will flash.
NOTE: It is important for you to set the current time of day (note AM/PM indicator in
display), and the current day of week correctly to avoid problems with program execution.
Function Status After Reset
Operation Mode Normal Operating Mode
Temperature Hold Permanent and Temporary Hold Cleared
Clock 12:00 pm, Monday
Room Temperature 70˚ F (21.0˚ C), to be renewed within
5 seconds
Setpoint Temperature According to system switch:
62˚ F (17.0˚ C) for Heat and Off
85˚ F (29.0˚ C) for Cool
Temperature Scale ˚F or ˚C dependent on switch setting
Operating Program DAY program, Monday
Low Battery Warning Off, to be renewed within 5 seconds
AC Interrupted Warning Off, to be renewed within 5 seconds
First Stage Differential 1˚ F (0.5˚ C)
Second Stage Differential 2˚ F (1.0˚ C)
Residual Cooling 60 Seconds
Short Cycle Protection Timer Reset
Efficient Recovery Mode Reset
Output Relays Off
NOTE: The thermostat will return to normal operating mode automatically after 15
seconds if no key is pressed. It will also return to normal operating mode immediately if
the RESUME button is pressed.
2.
Press the or buttons to set the current hour.
3.
Press DAY/TIME button again, the minute portion of the time will flash.
4.
Press the or buttons to set the current minute.
5.
Press DAY/TIME button again, the day of the week indicator will flash.
6.
Press the or buttons to set the current day of the week.
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