English dropdown-ico

Lennox International Inc. 51M32 manual

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

Go to page of

Similar user manuals

A good user manual

The rules should oblige the seller to give the purchaser an operating instrucion of Lennox International Inc. 51M32, 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. 51M32 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. 51M32. 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. 51M32 should contain:
- informations concerning technical data of Lennox International Inc. 51M32
- name of the manufacturer and a year of construction of the Lennox International Inc. 51M32 item
- rules of operation, control and maintenance of the Lennox International Inc. 51M32 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. 51M32 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. 51M32, 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. 51M32.

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. 51M32 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

    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[...]

  • 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). [...]

  • 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[...]

  • 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, [...]

  • 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[...]

  • 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 [...]

  • 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[...]

  • 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). [...]

  • 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[...]

  • 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[...]

  • 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[...]

  • 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 [...]

  • 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[...]

  • 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[...]