Lennox International Inc.メーカー51M32の使用説明書/サービス説明書
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Page 1 ® 2003 Lennox Industries Inc. Dallas, T exas, USA OPERA TION MANUAL Merit R Series Thermost at The Lennox Merit ® Series Thermostat 51M32 is a nonpro- grammable electronic thermostat that is easy-to-use and has a large, easy-to-read display and excellent tempera- ture control.
Page 2 Display − Home Screen Figure 2 ROOM 70 FA N AUTO SYSTEM HEA T Figure 2 illustrates the HOME screen. Note that an indoor room temperature of 70°F is initially displayed. After about 1 minute of warm−up time, the actual room temperature will be displayed.
Page 3 Figure 6 Heating Demand ROOM 72 88 FA N AUTO SYSTEM HEA T When the actual temperature rises above the temperature setpoint, the flame icon will disappear . This indicates that th e heating demand has been satisfied and that the heating equipment has been turned off.
Page 4 Fan Control The F AN button is located behind the small door on the right-hand side of the thermostat. See figure 3. The F AN button can be used to select either continuous fan mode or auto fan mode. If continuous fan mode is enabled, the fan will run continu- ously regardless of whether the heating or cooling equip- men t is running.
Page 5 Service Indicator When abnormal equipment operation is detected, the SER VICE indicator will flash on the upper-right corner of the screen. This indicates that the equipment requires ser- vice from a qualified service technician. The SER VICE indi- cator is shown in figure 13.
Page 6 Equipment Protection Override Both the minimum compressor OFF timer and the mini- mum equipment cycle timer can be over−ridden by press- in g and holding either the HEA T or COOL button down for 4 seconds. Over−T emperature Protection Thermal mechanical switch opens W1 at 93°F+/−6°F .
Page 1 ® 2003 Lennox Industries Inc. Dallas, T exas, USA OPERA TION MANUAL Merit R Series Thermost at The Lennox Merit ® Series Thermostat 51M33 is a nonpro- grammable electronic thermostat that is easy-to-use and has a large, easy-to-read display and excellent tempera- ture control.
Page 2 Display − Home Screen Figure 2 ROOM 70 FA N AUTO SYSTEM HEA T Figure 2 illustrates the HOME screen. Note that an indoor room temperature of 70°F is initially displayed. After about 1 minute of warm−up time, the actual room temperature will be displayed.
Page 3 Figure 6 Heat Mode Disabled ROOM SETPOINT 69 64 FA N AUTO SYSTEM OFF Heating Demand The thermostat must be in either normal or emergency heat mode in order to properly control the heating equip- ment.
Page 4 Setpoint Display and Adjustment Figure 9 ROOM SETPOINT 69 64 FA N AUTO SYSTEM HEA T Aft e r the desired setpoint is reached, the HOME screen will reappear after about 8 seconds. Fan Control The F AN button is located behind the small door on the right-hand side of the thermostat.
Page 5 Figure 13 Display of Filter Reminder ROOM 72 FIL TER FA N AUTO SYSTEM HEA T Balance Point NOTE − The balance point is only available with the out- door sensor . If the optional outdoor sensor (X2658) is connected to the thermostat, ba l ance point adjustment is available.
Page 6 Default Thermostat Settings Default Thermostat settings are in table 1. T able 1 Default Thermost at Settings Mode Heat Setpoint 70°F (or 21°C) Fan Auto Filter Reminder OFF (reminder setting .
Page 7 Service Reminder The SE RVICE indicator is displayed only under the follow- ing conditions: if the thermostat Y1 terminal has been activated with 24V AC for at least 5 minutes, AND the L te.
Page 8 T able 3 Thermostat Output S tates Condition W1 Y1 G O E Electric Heat Backup − No Out door Sensor small heat demand X X large heat demand X X X emergency heat demand X X cool demand X X X no.
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Lennox International Inc. 51M32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. 51M32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。
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