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ComfortSense
t
Model L7742U Touch Screen 7−Day Programmable Thermostat
Options tabInstaller Settings
Installer Settings
[
OPTIONS TAB
> INSTALLER SETTINGS > [ENTER] [ENTER]
]
COMPRESSOR PROTECT
CONTACT INFORMATION
CUSTOM REMINDERS
DAYLIGHT SAVING TIME
DEADBAND
DEHUMIDIFICATION
DIFFERENTIAL SETTINGS
ENERGY STAR DEFAULT
H/C STGS LOCKED IN
HIGH BALANCE POINT
HUMIDITY OFFSET
HUMIDITY SETTING
HUMIDIFICATION
LOW BALANCE POINT
RESET SETTINGS
RESIDUAL COOL
SMOOTH SET BACK Page 14, Page 15
SSR STG2 LOCK OUT
STAGE DELAY/DIFFERENTIAL
SETTINGS
STG 1 DIFF
STG 2 DIFF thru STG 4 DIFF
STG DELAY TIMERS
STG2 HP LOCK TEMP
SYSTEM SETUP
SYSTEM TEST MODES
TEMPERATURE OFFSET
Press OPTIONS tab for the main options screen, then use the arrows to
select INSTALLER SETTINGS. Press ENTER.
INSTALLER SETTINGS
−−−−−−−−−−−−−−−−−−−−
After the first ENTER, the following appears:
MUST BE SET BY
QUALIFIED PERSON
Press ENTER again to access installer settings. (CANCEL returns to
the main OPTIONS screen.)
The following items may be modified. Follow the instructions for each
parameter. Note that some options will not appear for all setups (e.g.
only Heat Pumps will have Low and High Balance Points; otherwise,
these do not appear).
SYSTEM SETUP
Sets the thermostat for operation with a heat pump
or non-heat pump and defines the number of compressor stages and
the number of backup heat stages. The default settings for the system
are Non−heat Pump, Gas/Oil, 2 compressor stages, 2 indoor heat
stages.
Use arrows to select from the list; then press ENTER.
SYSTEM SETUP
NON HEAT PUMP
HEAT PUMP
COMPRESSOR STAGES
INDOOR HEAT STAGES
For NON HEAT PUMP, use arrows to select backup heat: NO HEAT,
GAS/OIL, or ELECTRIC; then press SAVE.
NON HEAT PUMP
NO HEAT
GAS/OIL
ELECTRIC
For HEAT PUMP, use arrows to select backup heat: NO BACKUP
HEAT, DUAL FUEL (GAS/OIL), or ELECTRIC; then press SAVE.
HEAT PUMP
NO BACKUP HEAT
DUAL FUEL (GAS/OIL)
ELECTRIC
For COMPRESSOR STAGES, use arrows to select either 1 or 2 com-
pressor stages; then press SAVE.
COMPRESSOR STAGES
2
For INDOOR HEAT STAGES, use arrows to select 1 or 2 indoor heat
stages; then press SAVE.
INDOOR HEAT STAGES
2