Honeywell L8104B manual

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20

Go to page of

A good user manual

The rules should oblige the seller to give the purchaser an operating instrucion of Honeywell L8104B, 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 Honeywell L8104B 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 Honeywell L8104B. 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 Honeywell L8104B should contain:
- informations concerning technical data of Honeywell L8104B
- name of the manufacturer and a year of construction of the Honeywell L8104B item
- rules of operation, control and maintenance of the Honeywell L8104B 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 Honeywell L8104B 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 Honeywell L8104B, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Honeywell 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 Honeywell L8104B.

Why one should read the manuals?

It is mostly in the manuals where we will find the details concerning construction and possibility of the Honeywell L8104B 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

    1 68-0063—3 J. H. • Rev. 6-95 • ©Honeywell Inc. 1995 L8104A,B,C,D Electr onic W ater Heater Contr ollers The L8104A,B,C,D Electronic Controllers pro- vide temperature control and ECO limit action for gas water heaters. L8104B with Potentiometer Remote Potentiometer Sensing Bulb ■ L8104A,B are used in standing pilot and electronic ignition [...]

  • Page 2

    68-0063—3 2 L8104A,B,C,D SPECIFICATIONS • ORDERING INFORMATION Specif ications IMPORTANT: The specifications given in this publication do not include normal manufacturing tolerances. Therefore, this unit may not exactly match the listed specifications. Also, this product is tested and cali- brated under closely controlled conditions, and some m[...]

  • Page 3

    3 68-0063—3 L8104A,B,C,D SPECIFICATIONS DIMENSIONS: L8104: Fig. 1. L8104A,B: Fig. 2. L8104C,D: Fig. 3. APPROVALS: Underwriters Laboratories Inc. Component Recognized: File No. MP466, Guide No. MBPR2. American Gas Association Certified: Report No. 70-22A. Canadian Gas Association Certified: Report No. 1029- CC/T-6849. OTHER SYSTEM COMPONENTS (Orde[...]

  • Page 4

    68-0063—3 4 L8104A,B,C,D SPECIFICATIONS ACCESSORIES: L8104A: 4074ENP Potentiometer Assembly: 199075A Poten- tiometer: Clockwise turn increases temperature, two 18 in. [46 cm] leadwires with 1/4 in. quick connects. Washer and nut. 4074ENS Potentiometer Assembly: 199053A Potenti- ometer: Counterclockwise turn increases tempera- ture, two 18 in. (46[...]

  • Page 5

    5 68-0063—3 L8104A,B,C,D INSTALLATION Installation WHEN INSTALLING THIS PRODUCT… 1. Read these instructions carefully. Failure to follow them could damage the product or cause a hazardous condition. 2. Check the ratings given in the instructions and on the product to make sure the product is suitable for your application. 3. Installer must be a[...]

  • Page 6

    68-0063—3 6 L8104A,B,C,D INSTALLATION Fig. 5—L8104A with board-mounted potentiometer in a standing pilot application. M131C POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. 1/4 IN. TAB TERMINALS (3). 3/16 IN. TAB TERMINALS (3). SENSING BULB WITH ECO SWITCH 1 2 2 2 3 3 3 L1 (HOT) L2 1 2 3 1 4 0 120 160 180 100 L8104A B[...]

  • Page 7

    7 68-0063—3 L8104A,B,C,D INSTALLATION Fig. 7—L8104B with remote potentiometer in a standing pilot application. Fig. 8—L8104B with board-mounted potentiometer in an electronic ignition application. M130C POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. FACTORY JUMPER INSTALLED, DO NOT REMOVE. 1/4 IN. TAB TERMINALS (3[...]

  • Page 8

    68-0063—3 8 L8104A,B,C,D INSTALLATION Fig. 9—L8104C with remote-mounted potentiometer in an electronic ignition application. SENSING BULB WITH ECO SWITCH 1 2 3 SETPOINT POTENTIOMETER (SHOWN FROM BACK) L1 (HOT) L2 1 4 3 1 2 4 5 3 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. FACTORY INSTALLED JUMPER. DO NOT REMOVE. [...]

  • Page 9

    9 68-0063—3 L8104A,B,C,D INSTALLATION Fig. 10—L8104D with remote-mounted potentiometer in an electronic ignition application SENSING BULB WITH ECO SWITCH 1 2 3 SETPOINT POTENTIOMETER (SHOWN FROM BACK) L1 (HOT) L2 1 4 3 1 2 4 5 3 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. FACTORY INSTALLED JUMPER. DO NOT REMOVE. [...]

  • Page 10

    68-0063—3 10 L8104A,B,C,D SETTING AND CHECKOUT Setting and Check out SET CONTROL TEMPERATURE If the potentiometer is mounted on the control module, turn the selector knob to the desired temperature. If the potentiometer is remotely mounted, the position of the flat part of the shaft determines the approximate control temperature. Fully counterclo[...]

  • Page 11

    11 68-0063—3 L8104A,B,C,D SETTING AND CHECKOUT • OPERATION TABLE 2—THERMISTOR RESISTANCE AT VARIOUS TEMPERATURES IN CELSIUS. Operation L8104A,D When the temperature at the sensing bulb drops below the setting on the potentiometer, the relay contacts in the electronic control module make to open the gas control or turn on the ignition module. [...]

  • Page 12

    68-0063—3 12 L8104A,B,C,D TROUBLESHOOTING DISCONNECT SENSOR LEADS FROM ELECTRONIC CONTROL MODULE AND MEASURE RESISTANCE OF SENSOR(S) WITH OHMMETER. IS RESISTANCE BETWEEN 700K AND 30K OHMS (SEE TABLE 1)? SENSOR(S) OK. DISCONNECT ECO LEADS AND MEASURE RESISTANCE WITH OHMMETER. IS WATER TEMPERATURE GREATER THAN 210˚F AND ECO RESISTANCE LESS THAN 10[...]

  • Page 13

    13 68-0063—3 L8104A,B,C,D TROUBLESHOOTING CHECK TRANSFORMER, 120V SUPPLY, CORRECT AS NECESSARY. IGNITION MODULE WAS IN LOCKOUT. OBSERVE FOR 2-3 CYCLES TO MAKE SURE SYSTEM IS OTHERWISE OK. SENSOR(S) MAY BE SHORTED OR OPEN. CHECK FOR LOOSE, BROKEN OR SHORTED WIRES. REPLACE SENSING BULB(S) IF NECESSARY. REPLACE ELECTRONIC CONTROL MODULE. RECONNECT A[...]

  • Page 14

    68-0063—3 14 L8104A,B,C,D TROUBLESHOOTING CHECK TRANSFORMER, 120V SUPPLY, CORRECT AS NECESSARY. IGNITION MODULE WAS IN LOCKOUT. OBSERVE FOR 2-3 CYCLES TO MAKE SURE SYSTEM IS OTHERWISE OK. NO YES CHECK VOLTAGE AT 24V TERMINALS OF ELECTRONIC CONTROL MODULE. IS THIS AN ELECTRONIC IGNITION SYSTEM WITH 100 PERCENT LOCKOUT? DISCONNECT 24V POWER AT IGNI[...]

  • Page 15

    15 68-0063—3 L8104A,B,C,D MATERIAL SAFETY DATA SHEET[...]

  • Page 16

    68-0063—3 16 L8104A,B,C,D MATERIAL SAFETY DATA SHEET[...]

  • Page 17

    17 68-0063—3 L8104A,B,C,D MATERIAL SAFETY DATA SHEET[...]

  • Page 18

    68-0063—3 18 L8104A,B,C,D MATERIAL SAFETY DATA SHEET[...]

  • Page 19

    19 68-0063—3 L8104A,B,C,D MATERIAL SAFETY DATA SHEET[...]

  • Page 20

    68-0063—3 20 L8104A,B,C,D MATERIAL SAFETY DATA SHEET Home and Building Control Home and Building Control Helping You Control Your World Honeywell Inc. Honeywell Limited—Honeywell Limitée 1985 Douglas Drive North 740 Ellesmere Road Golden Valley, MN 55422 Scarborough, Ontario M1P 2V9 Printed in U.S.A. customer.honeywell.com[...]