Lennox International Inc. comfortsense 7000 series touch screen programmable thermostat manual

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15

Go to page of

A good user manual

The rules should oblige the seller to give the purchaser an operating instrucion of Lennox International Inc. comfortsense 7000 series touch screen programmable thermostat, along with an item. The lack of an instruction or false information given to customer shall constitute grounds to apply for a complaint because of nonconformity of goods with the contract. In accordance with the law, a customer can receive an instruction in non-paper form; lately graphic and electronic forms of the manuals, as well as instructional videos have been majorly used. A necessary precondition for this is the unmistakable, legible character of an instruction.

What is an instruction?

The term originates from the Latin word „instructio”, which means organizing. Therefore, in an instruction of Lennox International Inc. comfortsense 7000 series touch screen programmable thermostat one could find a process description. An instruction's purpose is to teach, to ease the start-up and an item's use or performance of certain activities. An instruction is a compilation of information about an item/a service, it is a clue.

Unfortunately, only a few customers devote their time to read an instruction of Lennox International Inc. comfortsense 7000 series touch screen programmable thermostat. A good user manual introduces us to a number of additional functionalities of the purchased item, and also helps us to avoid the formation of most of the defects.

What should a perfect user manual contain?

First and foremost, an user manual of Lennox International Inc. comfortsense 7000 series touch screen programmable thermostat should contain:
- informations concerning technical data of Lennox International Inc. comfortsense 7000 series touch screen programmable thermostat
- name of the manufacturer and a year of construction of the Lennox International Inc. comfortsense 7000 series touch screen programmable thermostat item
- rules of operation, control and maintenance of the Lennox International Inc. comfortsense 7000 series touch screen programmable thermostat item
- safety signs and mark certificates which confirm compatibility with appropriate standards

Why don't we read the manuals?

Usually it results from the lack of time and certainty about functionalities of purchased items. Unfortunately, networking and start-up of Lennox International Inc. comfortsense 7000 series touch screen programmable thermostat alone are not enough. An instruction contains a number of clues concerning respective functionalities, safety rules, maintenance methods (what means should be used), eventual defects of Lennox International Inc. comfortsense 7000 series touch screen programmable thermostat, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Lennox International Inc. service. Lately animated manuals and instructional videos are quite popular among customers. These kinds of user manuals are effective; they assure that a customer will familiarize himself with the whole material, and won't skip complicated, technical information of Lennox International Inc. comfortsense 7000 series touch screen programmable thermostat.

Why one should read the manuals?

It is mostly in the manuals where we will find the details concerning construction and possibility of the Lennox International Inc. comfortsense 7000 series touch screen programmable thermostat item, and its use of respective accessory, as well as information concerning all the functions and facilities.

After a successful purchase of an item one should find a moment and get to know with every part of an instruction. Currently the manuals are carefully prearranged and translated, so they could be fully understood by its users. The manuals will serve as an informational aid.

Table of contents for the manual

  • Page 1

    05/09 506229−01 *2P0509* *P506229-01* E 2009 Lennox Industries Inc. Dallas, T exas, USA S T abbed user interface with touch screen interaction S Humidification measurement and control S Soft blue backlighted screen with adjustable brightness S Programmable or non−programmable options S Equipment maintenance reminders S Automatically changes bet[...]

  • Page 2

    506229−01 05/09 Page 2 ComfortSense ® 7000 Series Model L7742U Thermost at Th e ComfortSense ® 7000 Series Model L7742U thermostat is an elec- tronic 7−day , universal, multi−stage, programmable, touch screen ther- mostat. It also offers enhanced capabilities including humidification / dehumidification / dewpoint measurement and control, Hu[...]

  • Page 3

    ComfortSense t Model L7742U T ouch Screen 7−Day Programmable Thermostat Page 3 T ouch Screen Display A B C G I H F E D E Figure 1. T ouchscreen display Press the screen anywhere − the first press turns on the backlight. A Selection T abs − Press to select: HOME (normal display), SCHEDULE (for programming), OPTIONS (to set fan operation, al[...]

  • Page 4

    506229−01 05/09 Page 4 Home ScreenCurrent Conditions & T emperature Settings INFORMA TION DISPLA Y AREA COOLING TUE OCT 23 1:15PM Figure 2. Home Screen The HOME screen (figure 2) displays indoor temperature and outdoor temperature if the outdoor sensor is installed. Other system operational information, such as indoor relative humidity (if[...]

  • Page 5

    ComfortSense t Model L7742U T ouch Screen 7−Day Programmable Thermostat Page 5 Controlling the Heat/Cool Modes of Operation On initial power up or after an a power loss over 2 hours, the thermostat powers up at the HOME screen in the AUTO position. If it powers up after a power loss of less than 2 hours, it assumes the last mode set. Pressing MOD[...]

  • Page 6

    506229−01 05/09 Page 6 Controlling the Fan Operation Fan Modes If backlight is not on continuous, press the screen anywhere to turn on the backlight. Press the OPTIONS tab to access the F AN mode control. Press F AN button; repeated presses scroll through all the modes, AUT O, ON, and CIRC (circulate). S AUTOthe fan is following schedule. S ON[...]

  • Page 7

    ComfortSense t Model L7742U T ouch Screen 7−Day Programmable Thermostat Page 7 Schedule t abProgramming If backlight is not on continuous, press the screen anywhere to turn on the backlight. Press the SCHEDULE tab along the top of the screen. The display changes to programming mode (figure 4) and shows the current settings. EVENTS DAIL Y 2 O R[...]

  • Page 8

    506229−01 05/09 Page 8 Schedule ScreenProgramming Days & Events Programming process Action Display shows... 1 Press SCHEDULE tab SCHEDULE screen 2 Press EDIT UP/DOWN arrows on right−hand side of screen; EDIT changes to CANCEL 3 Press NEXT to highlight the de- sired grouping of days Days change to match selected group, e.g. MON TUE WED TH[...]

  • Page 9

    ComfortSense t Model L7742U T ouch Screen 7−Day Programmable Thermostat Page 9 Options ScreenReminders & User Settings CLEAN button [ OPTIONS T AB > [CLEAN] ] When you select the OPTIONS tab, two buttons appear near the bot- tom of the screen labeled CLEAN and ENTER. Press the CLEAN but- ton to deactivate the touch" zones for 30[...]

  • Page 10

    506229−01 05/09 Page 10 Options t abUser Setting s (continued) EVENTS DAIL Y 2 OR 4 default is 4; to change, scroll to EVENTS DAIL Y 2 OR 4; press ENTER. Use arrows to change to 2; press SA V E. EVENTS DAILY 2 OR 4 DEFAULT(4) 2 VIEW CONT ACT INFO scroll to VIEW CONT ACT INFO from the user settings menu; press ENTER. Use BACK to return to[...]

  • Page 11

    ComfortSense t Model L7742U T ouch Screen 7−Day Programmable Thermostat Page 1 1 Options t abUser Setting s (continued) COOLING LIMIT This limits the temperature at which the thermostat 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 d[...]

  • Page 12

    506229−01 05/09 Page 12 Humidification BASIC & PRECISION if set up by the installer settings for BASIC or PRECISION, this adjustment controls the relative humidity (RH) be- tween 15 and 45%. Scroll to HUMIDITY SETTINGS; press ENTER. Press the box below HUMIDIFY . HUMIDITY MODE HUMIDIFY DEHUMIDIFY | | Us e up/down arrows to change the humid[...]

  • Page 13

    ComfortSense t Model L7742U T ouch Screen 7−Day Programmable Thermostat Page 13 Dehumidification If your system is set up to control dehumidification, this adjustment con- trols the relative humidity (RH) between 45 and 60%. Scroll to HUMID- ITY SETTINGS; press ENTER. Press the box below DEHUMIDIFY . HUMIDITY MODE HUMIDIFY DEHUMIDIFY | | Us e up/[...]

  • Page 14

    506229−01 05/09 Page 14 T emporary T emperature ChangePause the Schedule T wo types of temperature changes may be made: temporary (while in the SCHEDule ON mode) or permanent (while in SCHEDule OFF). NOTE − If autochangeover is enabled at the time a temperature hold is invoked, the thermostat MA Y CHANGE OVER from heating to cooling and vice[...]

  • Page 15

    ComfortSense t Model L7742U T ouch Screen 7−Day Programmable Thermostat Page 15 Optional Remote Outdoor Sensor The outdoor sensor (X2658) may be required, especially when using Humiditrol® EDA applications. In addition to measuring and displaying outdoor temperature, the outdoor sensor provides dew point adjust- ment and control for all models. [...]