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Manual Emerson 37E73A-903

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  • Emerson 37E73A-903 - page 1

    www .white-rodgers.com www .emersonclimate.com 37E73A-903 & 906 INTELLI-VENT™ W ater Heater Ther mostat Control Installation Instructions For Natural Gas Only Operator: Save these instructions f or future use! F AILURE T O READ AND FOLLO W ALL INSTR UCTIONS CAREFULL Y BEFORE INST ALLING OR OPERA TING THIS CONTROL COULD CA USE PERSONAL INJUR Y ...

  • Emerson 37E73A-903 - page 2

    2 SPECIFICA TION ELECTRICAL RA TINGS: Input and Frequency: 120 V AC , 60 Hz Output Ratings: Ignitor Load: 2 Amps maximum Inducer Draft Motor: 3 Amps Full Load, 4 Amps Lock ed Rotor Current: 0.2 Amps @ 120 V A C Range of Regulation (Btu/Hr) Minimum: 30,000 Maximum: 150,000 1.0” Pressure Drop Capacity a 100,000 Btu/Hr a Based on 1000 Btu/ft 3 , 0.6 ...

  • Emerson 37E73A-903 - page 3

    3 GROUND JO IN T UNION IN TE LLI-VE NT ™ CONTROL GAS SUPPL Y PI PE TE E DRIP LE G (SEDIMET TR AP ) 3" MINIMU M (M ANDA TO RY ) PIPE CA P SHUT -O FF VALV E 8. Open the gas shutoff valv e. 9. BEFORE TURNING ON THE APPLIANCE, CHECK THE GAS LINES FOR LEAKS. a. Use a soapy w ater solution. DO NOT test f or gas leaks using a match or open flame. ...

  • Emerson 37E73A-903 - page 4

    4 T able 1. T emperature Settings Display A B C Appro ximate T emperature ( +10 o F) Appro ximate Time to Cause Injury 70 (V acation) N/A 110 115 120 5 minutes 125 130 30 seconds 135 140 5 seconds 145 150 1.5 seconds 160 under 1 second Flashing WA RNING ! Never allow small children to use a hot water tap, or to draw their own bath water . Ne ver le ...

  • Emerson 37E73A-903 - page 5

    5 A typical system wiring diagram is shown belo w . Use the water heater manuf acturer’ s wir ing diagram f or details of the installation. Alwa ys follo w the instructions supplied with the water heater , and those of the water heater man uf acturer . HIGH LIMIT SWITCH AIR PRESSURE SWITCH COMBUSTION BLOWER BLACK WHITE GREEN TO POWER SUPPLY DISCO ...

  • Emerson 37E73A-903 - page 6

    6 SEQUENCE OF OPERA TIONS APPLY POWER TO APPLIA NC E IS FIELD WIRING CORRECT? DISPLAY ERROR CODE 1 OR 2 NO YES REQUEST FOR HEAT PRESENT? NO IS PRESSURE SWITCH PROVEN OPEN WITHIN 5 SECONDS? YES NO COMBUSTION BLOWER ON YES IS PRESSURE SWITCH PROVEN CLO SE D WITHIN 5 SECONDS? NO WAIT FOR PRESSURE SWITCH TO OPEN DISPLAY ER RO R NUMBER 3 WAIT FOR PRESSU ...

  • Emerson 37E73A-903 - page 7

    7 SEQUENCE OF OPERA TIONS Error Indication Check, Repair , or Replace A B C 1 An open ear th ground cir- cuit to the ignition system 1. Check that the earth ground conductor is properly connected at the fuse bo x or breaker panel and the water heater . 2. Check that the g rounding conductors on the water heater are properly connected and secure. A ...

  • Emerson 37E73A-903 - page 8

    A B C 7 The self diagnostic test f ound a problem with the gas valv e driver circuit 1. Cycle power to the w ater heater off for 10 seconds and then back on. 2. If the abov e step did not cleat the error , the INTELLI-VENT™ control must be replaced A B C 8 The self diagnostic test has detected a problem with the internal microcomputer. 1. Cycle t ...

Manufacturer Emerson Category Thermostat

Documents that we receive from a manufacturer of a Emerson 37E73A-903 can be divided into several groups. They are, among others:
- Emerson technical drawings
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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 Emerson 37E73A-903.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals Emerson 37E73A-903, service manual, brief instructions and user manuals Emerson 37E73A-903. 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 Emerson 37E73A-903.

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A complete manual for the device Emerson 37E73A-903, 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 Emerson 37E73A-903 by users. Manuals are usually written by a technical writer, but in a language understandable to all users of Emerson 37E73A-903.

A complete Emerson 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 Emerson 37E73A-903 - 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 Emerson 37E73A-903, 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 Emerson 37E73A-903, that we can find in the current document
3. Tips how to use the basic functions of the device Emerson 37E73A-903 - which should help us in our first steps of using Emerson 37E73A-903
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with Emerson 37E73A-903
5. FAQ - Frequently Asked Questions
6. Contact detailsInformation about where to look for contact to the manufacturer/service of Emerson 37E73A-903 in a specific country, if it was not possible to solve the problem on our own.

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