Lennox International Inc.メーカーl7742uの使用説明書/サービス説明書
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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 ba.
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.
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 ouchscreen display Press the screen anywhere − the first press turns on the backlight.
506229−01 05/09 Page 4 Home ScreenCurrent 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.
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.
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).
ComfortSense t Model L7742U T ouch Screen 7−Day Programmable Thermostat Page 7 Schedule t abProgramming 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.
506229−01 05/09 Page 8 Schedule ScreenProgramming 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.
ComfortSense t Model L7742U T ouch Screen 7−Day Programmable Thermostat Page 9 Options ScreenReminders & 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.
506229−01 05/09 Page 10 Options t abUser 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.
ComfortSense t Model L7742U T ouch Screen 7−Day Programmable Thermostat Page 1 1 Options t abUser 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.
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 .
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.
506229−01 05/09 Page 14 T emporary T emperature ChangePause the Schedule T wo types of temperature changes may be made: temporary (while in the SCHEDule ON mode) or permanent (while in SCHEDule OFF).
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.
デバイスLennox International Inc. l7742uの購入後に（又は購入する前であっても）重要なポイントは、説明書をよく読むことです。その単純な理由はいくつかあります：
Lennox International Inc. l7742uをまだ購入していないなら、この製品の基本情報を理解する良い機会です。まずは上にある説明書の最初のページをご覧ください。そこにはLennox International Inc. l7742uの技術情報の概要が記載されているはずです。デバイスがあなたのニーズを満たすかどうかは、ここで確認しましょう。Lennox International Inc. l7742uの取扱説明書の次のページをよく読むことにより、製品の全機能やその取り扱いに関する情報を知ることができます。Lennox International Inc. l7742uで得られた情報は、きっとあなたの購入の決断を手助けしてくれることでしょう。
Lennox International Inc. l7742uを既にお持ちだが、まだ読んでいない場合は、上記の理由によりそれを行うべきです。そうすることにより機能を適切に使用しているか、又はLennox International Inc. l7742uの不適切な取り扱いによりその寿命を短くする危険を犯していないかどうかを知ることができます。
ですが、ユーザガイドが果たす重要な役割の一つは、Lennox International Inc. l7742uに関する問題の解決を支援することです。そこにはほとんどの場合、トラブルシューティング、すなわちLennox International Inc. l7742uデバイスで最もよく起こりうる故障・不良とそれらの対処法についてのアドバイスを見つけることができるはずです。たとえ問題を解決できなかった場合でも、説明書にはカスタマー・サービスセンター又は最寄りのサービスセンターへの問い合わせ先等、次の対処法についての指示があるはずです。
