Lennox International Inc comfortsense 7000 series touch screen programmable thermostat, l7742u

Models: l7742u comfortsense 7000 series touch screen programmable thermostat

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Options tab

s (continued)

COOLING LIMIT

may be set for cooling (default is 50º); to change to any degree between 45ºF and 90ºF, scroll to COOLING LIMIT; press ENTER. Use arrows to change to desired temperature; press SAVE.

COOLING LIMIT

 

DEFAULT(5O °F)

55°F

HEATING LIMIT

may be set for heating (default is 85º); to change to any degree between 45ºF and 90ºF, scroll to HEATING LIMIT; press ENTER. Use arrows to change to desired temperature; press SAVE.

HEATING LIMIT

 

 

 

 

DEFAULT(85 °F)

80°F

 

 

 

 

 

 

 

HUMIDITY SETTING

 

 

 

Page 12)

 

 

 

and Dehumidify (Page 13).

 

 

 

 

HUMIDITROL ADJUST

 

 

 

® is enabled in the installer set-

tings, then this adjustment affects overcooling operation. Overcooling ranges from 2ºF below the cooling setpoint (MIN setting) down to 2ºF above the heating setpoint (MAX setting). Halfway between the two settings is the MID setting. The default setting is MAX; to change to MID or MIN, scroll to HUMIDITROL ADJUST; press ENTER. Use arrows to scroll to MID or MIN; then press SAVE.

HUMIDITROL ADJUST

 

DEFAULT (MAX)

MIN

NOTE − Humiditrol® does not function if the outdoor temperature is 95ºF or greater nor when the indoor temperature is 65ºF or less.

BACKLIGHT SETTINGVE; scroll to BACK-

LIGHT SETTING; press ENTER. Use arrows to change to CONTINU- OUS; press SAVE.

BACKLIGHT SETTING

DEF(SAVE) POWER SAVE

BACKLIGHT INTENSITY 100%; scroll to BACKLIGHT IN- TENSITY; press ENTER. Use arrows to change to 20 to 100% in 20% increments; press SAVE.

BACKLIGHT INTENSITY

 

 

 

 

 

DEFAULT(1OO%)

8O%

 

 

 

 

 

 

 

SECURITY LOCK

 

 

 

 

 

 

 

 

 

 

of locking the thermostat:

 

 

 

 

 

Answer YES to ALLOW TEMP ADJUST

 

perature setpoint changes without entering a 3−digit code.

 

Answer NO to ALLOW TEMP ADJUST

any

changes at all until the 3−digit code is entered.

 

Scroll to SECURITY LOCK and press ENTER; ALLOW TEMP AD- JUST screen appears; press box below YES or NO.

 

ALLOW

TEMP ADJUST

 

YES

 

NO

CANCEL

 

 

 

 

 

The ENTER LOCK CODE screen appears.

 

 

 

ENTER

LOCK

CODE

 

 

 

O

 

O

 

O

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CANCEL

 

SAVE

 

 

 

 

 

 

 

 

 

 

 

To enter the lock code, press box below each small up-arrow to select each column. Use up/down arrows to enter a number, then press the box below the next number and repeat to enter a 3-digit lock code; write down the number for future reference; press SAVE.

NOTE − If the security code is forgotten or misplaced, use the universal code

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ComfortSenset Model L7742U Touch Screen 7−Day Programmable Thermostat

Page 11
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Lennox International Inc comfortsense 7000 series touch screen programmable thermostat, l7742u Options tab, s continued