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Manual White Rodgers 50A66-743

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  • White Rodgers 50A66-743 - page 1

    WARNING F ailure to compl y with the f ollowing warnings could result in personal injury or proper ty damag e. 50A66-743 Integrated Furnace Control F AILURE T O READ AND FOLLO W ALL INSTR UCTIONS CAREFULL Y BEFORE INST ALLING OR OPERA TING THIS CONTR OL COULD CA USE PERSONAL INJUR Y AND/OR PROPER TY D AMA GE. DESCRIPTION Operator: Save these instru ...

  • White Rodgers 50A66-743 - page 2

    2 SPECIFICA TIONS ELECTRICAL RA TINGS [@ 77°F (25°C)]: Input V oltage: 25 V A C 50/60 Hz  Max. InputCurrent@25 V AC:  0.45 amp Rela y Load Ratings: V alv e Rela y: 1.5 amp @ 25 V A C 50/60 Hz 0.6 pf Ignitor Rela y: 2.0 amp @ 120 V AC 50/60 Hz (resistiv e) Inducer Rela y: 2.2 FLA–3.5 LRA @ 120 V A C Circulator Rela y: 14.5 F ...

  • White Rodgers 50A66-743 - page 3

    3 WARNING INST ALLA TION Do not short out terminals on gas valve or primary control. Short or incorrect wiring may damage the thermostat. MOUNTING AND WIRING All wiring should be installed according to local and na- tional electrical codes and ordinances. The control must be secured to an area that will e xper ience a minimum of vibration and remai ...

  • White Rodgers 50A66-743 - page 4

    4 FP 24 V HUM C R G W Y 120 VOLT NEUTRAL IGN IND IGN N IND N HUM EAC XFMR LINE PARK PARK PARK HEAT COOL FAN IGNITOR Y W G R THERMOSTAT COMPRESSOR CONTACTOR ELECTRONIC AIR CLEANER HUMIDIFIER INDUCER CIRCULATOR BLOWER 50A66 24 VAC 120 VAC 24 VAC CLASS II TRANSFORMER HOT (LINE) NEUTRAL (LINE) FLAME SENSOR PROBE TH TR Low Voltage (24 VAC) Line Voltage ...

  • White Rodgers 50A66-743 - page 5

    5 Terminal block with captive screws 1 / 4 ” spade terminal 1 / 4 ” spade terminal 1 / 4 ” spade terminal 1 / 4 ” spade terminal 1 / 4 ” spade terminal 1 / 4 ” spade terminal 1 / 4 ” spade terminal 1 / 4 ” spade terminal 3 / 16 ” spade terminal 1 / 4 ” spade terminal 1 / 4 ” receptacle 50A66 TERMINAL TERMINAL TYPE SYSTEM COMPO ...

  • White Rodgers 50A66-743 - page 6

    6 OPERA TION OPTION SWITCHES The option s witches on the 50A66-743 control are used to determine the length of the heat delay-to-f an-off per iod. The f ollowing tab le shows the time periods that will result from the various s witch positions. HEAT delay- to-fan-off: Set switch #1 #2 60 sec. 90 sec.* 120 sec. 180 sec. Off Off Off On On Off On On C ...

  • White Rodgers 50A66-743 - page 7

    7 SYSTEM LOCK OUT FEA TURES When system lock out occurs, the gas valv e is de-energized. The circulator blo wer ma y be energized at heat speed f or some f aults, and if flame is sensed, the inducer b lower is energized. The diagnostic indicator light will flash or glow continuously to indicate system status . (System lock out will never o verrid ...

  • White Rodgers 50A66-743 - page 8

    White-Rodgers is a business of Emerson Electric Co. The Emerson logo is a trademark and ser vice mark of Emerson Electric Co. HOMEO WNER HELP LINE: 1-800-284-2925 www .white-rodgers.com www .emersonclimate.com DIA GNOSTIC T ABLE DS 1 (Red) DS 2 (Green) Error/Condition Comments/T roub leshooting Simultaneous slowash Simultaneous slowash ...

Manufacturer White Rodgers Category Thermostat

Documents that we receive from a manufacturer of a White Rodgers 50A66-743 can be divided into several groups. They are, among others:
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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 White Rodgers 50A66-743.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals White Rodgers 50A66-743, service manual, brief instructions and user manuals White Rodgers 50A66-743. 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 White Rodgers 50A66-743.

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A complete manual for the device White Rodgers 50A66-743, 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 White Rodgers 50A66-743 by users. Manuals are usually written by a technical writer, but in a language understandable to all users of White Rodgers 50A66-743.

A complete White Rodgers 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 White Rodgers 50A66-743 - 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 White Rodgers 50A66-743, 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 White Rodgers 50A66-743, that we can find in the current document
3. Tips how to use the basic functions of the device White Rodgers 50A66-743 - which should help us in our first steps of using White Rodgers 50A66-743
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with White Rodgers 50A66-743
5. FAQ - Frequently Asked Questions
6. Contact detailsInformation about where to look for contact to the manufacturer/service of White Rodgers 50A66-743 in a specific country, if it was not possible to solve the problem on our own.

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