Benutzeranleitung / Produktwartung 51M37 des Produzenten Lennox International Inc.
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05/05 505,050M *2P0505* *P505050M* Page 1 E 2005 Lennox Industries Inc. Dallas, T exas, USA RET AIN THESE INSTRUCTIONS FOR FUTURE REFERENCE 51M37 Merit ® Series Thermost at The Lennox Merit ® Series 5/2 day programmable electronic thermostat 51M37 provides excellent temperature control and a large, easy-to-read display .
Page 2 505050M 5/1/05 Within a few seconds, the Home Screen appears (see fig- ure 2) with default settings as shown. After about 1 minute of initialization time, the actual room temperature will be displayed. NOTE − T ables 2 and 3 on page 8 show all system and programming default s.
Page 3 51M37 SERIES 5/2 HEA T − Using the Heat Mode Normal Heat Mode In normal heat mode, both the heat pump and the backup heat source are used to provide heat. If the thermost at d e- tects that the heat pump is not able to provide enough heat (as may be the case in very cold weather), then the backup heat source is activated.
Page 4 505050M 5/1/05 COOL − Using the Cool Mode Enabling and Disabling Cool Mode Use the COOL button to enable or disable cool mode as desired. If the thermostat is in HEA T or OFF mode, cool mo d e is enabled when the COOL button is pressed. This is indicated by COOL in the SYSTEM box (s ee f i gu r e 9).
Page 5 51M37 SERIES 5/2 HOLD − Using T emperature Hold Modes When HOLD is displayed at the HOME screen, the ther- mos tat is in a temperature hold condition. This means that the temperature program data is ignored and the thermo- stat functions much like a non−programmable thermost at.
Page 6 505050M 5/1/05 5. Repeat step s 2 through 4 for periods B, C, and D. 6. Repeat step s 1 through 5 for the 2−day program. NOTE − This thermost at will NOT automatically switch from heating to cooling, or vice versa; operator involve- men t is required.
Page 7 51M37 SERIES 5/2 SETTINGS − 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, balance point adjustment is available.
Page 8 505050M 5/1/05 Default Thermostat Settings Default thermostat settings are shown in table 2 and the default program is shown in table 3. T able 2 Default Thermostat Settings Mode Heat (Permanen.
Page 9 51M37 SERIES 5/2 Smart Setback Recovery (via DIP switch #6) Smart Setback Recovery (SSR) affects the way the ther- mo st at responds to program events. If SSR is disabled, th e thermostat will react to a program event at the time the event occurs.
Page 10 505050M 5/1/05 Thermostat Output T able T able 5 depicts the 51M37 thermostat output st ates for var- ious input conditions. The following notes described terms used in the t able.
05/05 505,049M *2P0505* *P505049M* Page 1 E 2005 Lennox Industries Inc. Dallas, T exas, USA RET AIN THESE INSTRUCTIONS FOR FUTURE REFERENCE 51M35 Merit ® Series Thermost at The Lennox Merit ® Series 5/2 day programmable electronic thermostat 51M35 provides excellent temperature control and a large, easy-to-read display .
Page 2 505049M 5/1/05 Within a few seconds, the Home Screen appears (see fig- ure 2) with default settings as shown. After about 1 minute of initialization time, the actual room temperature will be displayed. NOTE − T ables 2 and 3 on page 6 show all system and programming default s.
Page 3 51M35 SERIES 5/2 HEA T − Using the Heat Mode Enabling and Disabling Heat Mode The thermostat must be in the HEA T mode to control the heating equipment.
Page 4 505049M 5/1/05 HOLD − Using T emperature Hold Modes When HOLD is displayed at the HOME screen, the ther- mos tat is in a temperature hold condition. This means that the temperature program data is ignored and the thermo- stat functions much like a non−programmable thermost at.
Page 5 51M35 SERIES 5/2 NOTE − This thermost at will NOT automatically switch from heating to cooling, or vice versa; operator involve- men t is required. At the change of seasons, or to accomo- date abnormal seasonal temperature swings, you must manually select to the opposite conditioning (Heat or Cool) program.
Page 6 505049M 5/1/05 Service Indicator When abnormal equipment operation is detected, the SERVICE in d icator will flash on the screen (see figure 17).
Page 7 51M35 SERIES 5/2 T echnical S pecifications Thermostat T ype Electronic programmable thermostat for 2−S tage (gas or electric) Heat/2-S tage Cool, non−heat pump, non−power robbing applications. Power Supply Range 18V AC − 30V AC (24V AC nominal), 60Hz CAUTION 24V AC is present on the terminals of the thermost at bracket.
Page 8 505049M 5/1/05 Maintenance Reminder Settings of Of f, 6 or 12 (months of chronological time) are available. W hen programmed time has elap sed, a mainte- nance indicator MAINT" is displayed.
05/05 505,048M *2P0505* *P505048M* Page 1 E 2005 Lennox Industries Inc. Dallas, T exas, USA RET AIN THESE INSTRUCTIONS FOR FUTURE REFERENCE 51M34 Merit ® Series Thermost at The Lennox Merit ® Series 5/2 day programmable electronic thermostat 51M34 provides excellent temperature control and a large, easy-to-read display .
Page 2 505048M 5/1/05 Within a few seconds, the Home Screen appears (see fig- ure 2) with default settings as shown. After about 1 minute of initialization time, the actual room temperature will be displayed.
Page 3 51M34 SERIES 5/2 HEA T − Using the Heat Mode Enabling and Disabling Heat Mode The thermostat must be in the HEA T mode to control the heating equipment.
Page 4 505048M 5/1/05 HOLD − Using T emperature Hold Modes When HOLD is displayed at the HOME screen, the ther- mos tat is in a temperature hold condition. This means that the temperature program data is ignored and the thermo- stat functions much like a non−programmable thermost at.
Page 5 51M34 SERIES 5/2 NOTE − This thermost at will NOT automatically switch from heating to cooling, or vice versa; operator involve- men t is required. At the change of seasons, or to accomo- date abnormal seasonal temperature swings, you must manually select to the opposite conditioning (Heat or Cool) program.
Page 6 505048M 5/1/05 Service Indicator When abnormal equipment operation is detected, the SERVICE in d icator will flash on the screen (see figure 17).
Page 7 51M34 SERIES 5/2 T echnical S pecifications Thermostat T ype Electronic programmable thermostat for 1-S tage- Heat/1-S tage Cool, gas or electric heat, non−heat pump, non−power robbing applications. Power Supply Range 18V AC − 30V AC (24V AC nominal), 60Hz CAUTION 24V AC is present on the terminals of the thermost at bracket.
Page 8 505048M 5/1/05 Maintenance Reminder Settings of Of f, 6 or 12 (months of chronological time) are available. W hen programmed time has elap sed, a mainte- nance indicator MAINT" is displayed.
07/05 505,068M *2P0705* *P505068M* Page 1 E 2005 Lennox Industries Inc. Dallas, T exas, USA RET AIN THESE INSTRUCTIONS FOR FUTURE REFERENCE 51M39 Merit ® Series Thermost at The Lennox Merit ® Series 7 day programmable electronic thermostat 51M39 provides excellent temperature control and a large, easy-to-read display .
Page 2 505068M 07/05 Within a few seconds, the HOME screen appears (see fig- ure 2) with default settings as shown. After about 1 minute of initialization time, the actual room temperature will be displayed. NOTE − T ables 2 and 3 on page 7 show all system and programming default s.
Page 3 51M39 SERIES 5/2 HEA T − Using the Heat Mode Enabling and Disabling Heat Mode The thermostat must be in the heat mode to control the heating equipment.
Page 4 505068M 07/05 NOTE − If no buttons are pressed during a demand for cooling, t he equipment must operate for at least 4 minutes. Afte r a demand has been satisfied, cooling equipment op- eration is locked out for 5 minutes.
Page 5 51M39 SERIES 5/2 Figure 1 1 Program Example 6AM NOON 6PM MID 6AM NIGHT A B D A B D A B D A B D A B C D A B C D A B C D C C C C SA TURDA Y PROGRAM: 72° 68° 64° SUNDA Y PROGRAM: 72° 68° 64°.
Page 6 505068M 07/05 Displaying Outside T emperature Pressing the ENTER (Outside) button at the HOME screen di sp l ays the out side temperature (see figure 15) for several seconds, then returns to room temperature.
Page 7 51M39 SERIES 5/2 Removing and Installing Thermostat The thermostat hinges on tabs on the top of the subbase; no tool is needed to remove the thermostat from the sub- base. Pivot the bottom of the thermostat outward (releas- ing the snap s), then lif t up to remove.
Page 8 505068M 07/05 T echnical S pecifications Thermostat T ype Electronic programmable thermostat for 2−S tage (gas or electric) Heat/2-S tage Cool, non−heat pump, non−power robbing applications.
Page 9 51M39 SERIES 5/2 NOTE − All protection timers (except the compressor OFF timer) can be over−ridden if a heating or cooling demand is initiated or terminated using the UP , DOWN, HEA T , or COOL buttons.
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07/05 505,069M *2P0705* *P505069M* Page 1 E 2005 Lennox Industries Inc. Dallas, T exas, USA RET AIN THESE INSTRUCTIONS FOR FUTURE REFERENCE 51M42 Merit ® Series Thermost at The Lennox Merit ® Series 7−day programmable electronic thermostat 51M42 provides excellent temperature control and a large, easy-to-read display .
Page 2 505069M 07/05 Within a few seconds, the HOME screen appears (see fig- ure 2) with default settings as shown. After about 1 minute of initialization time, the actual room temperature will be displayed. NOTE − T ables 2 and 3 on page 8 show all system and programming default s.
Page 3 51M42 SERIES 5/2 HEA T − Using the Heat Mode Normal Heat Mode In normal heat mode, both the heat pump and the backup heat source are used to provide heat. If the thermost at d e- tects that the heat pump is not able to provide enough heat (as may be the case in very cold weather), then the backup heat source is activated.
Page 4 505069M 07/05 COOL − Using the Cool Mode Enabling and Disabling Cool Mode Use the COOL button to enable or disable cool mode as desired. If the thermosta t i s in heat or of f mode, cool mode is enabled when the COOL button is pressed. This is indi- cated by COOL on the r igh t si de of the disp lay (s e e fig u r e 9).
Page 5 51M42 SERIES 5/2 T emporary (2-Hour) Hold At any time the program is running, from the HOME screen, set a temporary 2-hour hold by pressing the Up/ Down arrow buttons until the desired setpoint is displayed; HOLD" flashes (see figure 12).
Page 6 505069M 07/05 F AN − Controlling the Fan Operation U s e the F AN button to select either continuous fan mode or auto fan mode. T o change from continuous to auto fan mode (or vice ver - sa), press the F AN button. Note whether a fan icon in the F AN b ox is present (indicating that the fan is running) or not (fan not running) .
Page 7 51M42 SERIES 5/2 COOL OFF AUTO EMG. HEAT I0:26 PROG A B C D HOLD F AN ON AUT O FIL TER S ER VICE MAINTENANCE 76 Reminders Figure 19 ROOM ° MO AM PM COOL OFF AUTO EMG.
Page 8 505069M 07/05 Default Thermostat Settings Default thermostat settings are shown in table 2 and the default program is shown in table 3. T able 2 Default Thermostat Settings Mode Heat (Perm.
Page 9 51M42 SERIES 5/2 T echnical S pecifications Thermostat T ype Electronic programmable thermostat for heat pump, 3-stage heat/2-st age cool. NOTE − 2 s t ages of heat pump heat and one st age of auxil- iary (gas or electric) backup heat are supported.
Page 10 505069M 07/05 T able 5 51M42 T erminal Designations T erm. Description B Reversing valve, heat active O Reversing valve, cool active R 24V AC Y1 First-stage cooling/heating, compressor energiz.
07/05 505,067M *2P0705* *P505067M* Page 1 E 2005 Lennox Industries Inc. Dallas, T exas, USA RET AIN THESE INSTRUCTIONS FOR FUTURE REFERENCE 51M38 Merit ® Series Thermost at The Lennox Merit ® Series 7 day programmable electronic thermostat 51M38 provides excellent temperature control and a large, easy-to-read display .
Page 2 505067M 7/13/05 Within a few seconds, the HOME screen appears (see fig- ure 2) with default settings as shown. After about 1 minute of initialization time, the actual room temperature will be displayed.
Page 3 51M38 SERIES 5/2 HEA T − Using the Heat Mode Enabling and Disabling Heat Mode The thermostat must be in the heat mode to control the heating equipment.
Page 4 505067M 7/13/05 HOLD − Using T emperature Hold Modes When HOLD is displayed at the HOME screen, the ther- mos tat is in a temperature hold condition. This means that the temperature program data is ignored and the thermo- stat functions much like a non−programmable thermost at.
Page 5 51M38 SERIES 5/2 1. Press and re lease the PROG button. "MO" (Monday), "AM 6:00", period "A", "COOL SETPOINT 78", and "HEA T SETPOINT 70" are displayed.
Page 6 505067M 7/13/05 The default setting for the reminders is OFF (disabled). Press Up/Down arrow buttons to select the desired re- minder intervals.
Page 7 51M38 SERIES 5/2 T able 3 Default Program Settings (Time & T emp.) Programs Time T emp. − Heat T emp. Cool All days − A 6:00am 70 _ F / 21 ° C 78 _ F / 26 ° C All days − B 8:00am 62.
Page 8 505067M 7/13/05 Smart Setback Recovery (via DIP switch #6) Smart Setback Recovery (SSR) affects the way the ther- mo st at responds to program events. If SSR is disabled, th e thermostat will react to a program event at the time the event occurs.
Ein wichtiger Punkt beim Kauf des Geräts Lennox International Inc. 51M37 (oder sogar vor seinem Kauf) ist das durchlesen seiner Bedienungsanleitung. Dies sollten wir wegen ein paar einfacher Gründe machen:
Wenn Sie Lennox International Inc. 51M37 noch nicht gekauft haben, ist jetzt ein guter Moment, um sich mit den grundliegenden Daten des Produkts bekannt zu machen. Schauen Sie zuerst die ersten Seiten der Anleitung durch, die Sie oben finden. Dort finden Sie die wichtigsten technischen Daten für Lennox International Inc. 51M37 - auf diese Weise prüfen Sie, ob das Gerät Ihren Wünschen entspricht. Wenn Sie tiefer in die Benutzeranleitung von Lennox International Inc. 51M37 reinschauen, lernen Sie alle zugänglichen Produktfunktionen kennen, sowie erhalten Informationen über die Nutzung. Die Informationen, die Sie über Lennox International Inc. 51M37 erhalten, werden Ihnen bestimmt bei der Kaufentscheidung helfen.
Wenn Sie aber schon Lennox International Inc. 51M37 besitzen, und noch keine Gelegenheit dazu hatten, die Bedienungsanleitung zu lesen, sollten Sie es aufgrund der oben beschriebenen Gründe machen. Sie erfahren dann, ob Sie die zugänglichen Funktionen richtig genutzt haben, aber auch, ob Sie keine Fehler begangen haben, die den Nutzungszeitraum von Lennox International Inc. 51M37 verkürzen könnten.
Jedoch ist die eine der wichtigsten Rollen, die eine Bedienungsanleitung für den Nutzer spielt, die Hilfe bei der Lösung von Problemen mit Lennox International Inc. 51M37. Sie finden dort fast immer Troubleshooting, also die am häufigsten auftauchenden Störungen und Mängel bei Lennox International Inc. 51M37 gemeinsam mit Hinweisen bezüglich der Arten ihrer Lösung. Sogar wenn es Ihnen nicht gelingen sollte das Problem alleine zu bewältigen, die Anleitung zeigt Ihnen die weitere Vorgehensweise – den Kontakt zur Kundenberatung oder dem naheliegenden Service.
