Manual Lennox International Inc. 51M32

14 pages 0.16 mb
Download

Go to site of 14

Summary
  • Lennox International Inc. 51M32 - page 1

    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. The thermostat also includes a programmable filter change r ...

  • Lennox International Inc. 51M32 - page 2

    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. HEA T mode is the system default (as indi- cated in the SYSTEM box at lower right). ...

  • Lennox International Inc. 51M32 - page 3

    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. NOTE − The heating equipment is activated for at least 3 minutes if no but ...

  • Lennox International Inc. 51M32 - page 4

    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. Also, ...

  • Lennox International Inc. 51M32 - page 5

    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. Figure 13 Service Indicator Flashing ROOM 73 SERVICE FA N AUTO SY ...

  • Lennox International Inc. 51M32 - page 6

    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 . Filter Reminder Settings o f 0 ( O f f), 1, 3, 6 ...

  • Lennox International Inc. 51M32 - page 7

    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. The thermostat also includes a programmable filter change r ...

  • Lennox International Inc. 51M32 - page 8

    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. HEA T mode is the system default (as indi- cated in the SYSTEM box at lower right). ...

  • Lennox International Inc. 51M32 - page 9

    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. W hen in either heat mode, i f t he a ctual t emperature i s lower t han t he t emperature s etpoint, a h eating demand i s de- tected b y t h ...

  • Lennox International Inc. 51M32 - page 10

    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. See figure 3. The F AN button can be used to select either con ...

  • Lennox International Inc. 51M32 - page 11

    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. The bal- ance point feature allows the measured outdoor tempera- tur ...

  • Lennox International Inc. 51M32 - page 12

    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 = 0) Equipment Protection T imers reset back to zero T echnical Specifications Thermostat T ype Electronic nonprogrammable thermostat for 1H/1C, heat ...

  • Lennox International Inc. 51M32 - page 13

    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 terminal is shorted to the R terminal; OR  if the thermostat Y1 terminal has been activated with 24V AC for at least 5 minutes, AND the L terminal is ...

  • Lennox International Inc. 51M32 - page 14

    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 demand dc Gas Heat Backup (Dual Fuel) − No Out door Sensor small heat demand X X large heat demand X emergency heat demand X cool demand X X X no d ...

Manufacturer Lennox International Inc. Category Thermostat

Documents that we receive from a manufacturer of a Lennox International Inc. 51M32 can be divided into several groups. They are, among others:
- Lennox International Inc. technical drawings
- 51M32 manuals
- Lennox International Inc. product data sheets
- information booklets
- or energy labels Lennox International Inc. 51M32
All of them are important, but the most important information from the point of view of use of the device are in the user manual Lennox International Inc. 51M32.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals Lennox International Inc. 51M32, service manual, brief instructions and user manuals Lennox International Inc. 51M32. Depending on your needs, you should look for the document you need. In our website you can view the most popular manual of the product Lennox International Inc. 51M32.

A complete manual for the device Lennox International Inc. 51M32, how should it look like?
A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use Lennox International Inc. 51M32 by users. Manuals are usually written by a technical writer, but in a language understandable to all users of Lennox International Inc. 51M32.

A complete Lennox International Inc. manual, should contain several basic components. Some of them are less important, such as: cover / title page or copyright page. However, the remaining part should provide us with information that is important from the point of view of the user.

1. Preface and tips on how to use the manual Lennox International Inc. 51M32 - At the beginning of each manual we should find clues about how to use the guidelines. It should include information about the location of the Contents of the Lennox International Inc. 51M32, FAQ or common problems, i.e. places that are most often searched by users in each manual
2. Contents - index of all tips concerning the Lennox International Inc. 51M32, that we can find in the current document
3. Tips how to use the basic functions of the device Lennox International Inc. 51M32 - which should help us in our first steps of using Lennox International Inc. 51M32
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with Lennox International Inc. 51M32
5. FAQ - Frequently Asked Questions
6. Contact detailsInformation about where to look for contact to the manufacturer/service of Lennox International Inc. 51M32 in a specific country, if it was not possible to solve the problem on our own.

Do you have a question concerning Lennox International Inc. 51M32?

Use the form below

If you did not solve your problem by using a manual Lennox International Inc. 51M32, ask a question using the form below. If a user had a similar problem with Lennox International Inc. 51M32 it is likely that he will want to share the way to solve it.

Copy the text from the picture

Comments (1)

Carlos mora

Hola buenos dias, a quien me pueda ayudar, tengo un equipo con un termostato, 51m32, le dieron al boton de reset, y ahora no sale de la pantalla de inicio, donde aparece room. 88 set point 88, que hago??