English dropdown-ico

Honeywell L7248A manual

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

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 Honeywell L7248A, 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 L7248A 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 L7248A. 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 L7248A should contain:
- informations concerning technical data of Honeywell L7248A
- name of the manufacturer and a year of construction of the Honeywell L7248A item
- rules of operation, control and maintenance of the Honeywell L7248A 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 L7248A 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 L7248A, 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 L7248A.

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 L7248A 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

    INST ALLA TION INSTRUCTIONS 68-0281-16 L7224A,C; L7248A,C,L Oil and Electric Boiler Electr onic Aquastat ® Contr oller s APPLICA TION The L7224A,C and L72 48A,C,L 2012 Compliant Electronic Aquastat ® Cont rollers provide electronic temperature sensing in a UL limit-rate d control with a single sensing pr obe. The L7224A,C and L7248A ,C,L control [...]

  • Page 2

    L7224A,C; L7248A, C,L OIL AND ELEC TRIC BOILER ELECTRONIC AQ UASTAT ® CONTROLLERS 68-0281—16 2 Accessorie s: W8735Y1000 Wire less Outdoor Reset Kit W8735ER1000 Wi reless Outdoor Res et Module C7089R101 3 Wireless Outdoor T emperature Se nsor (requires W873 5ER1000) W8735S1000 Aqu aReset™ Outdoo r Reset Kit (inc ludes 50022037-0 02 Outdoor Rese[...]

  • Page 3

    L7224A,C; L724 8A,C,L OIL AND ELECTR IC BOI LER ELECTRONIC AQUASTAT ® CONTROLLERS 3 68-0281—16 New Installation Order well assemblies separate ly; see T able 1 and form no. 68-0040, Immersion Wells and Compre ssion Fittings for T emperatu re Controllers. Boilers usually have tappings that allow the well to be mou nted hor izontally so boiler wat[...]

  • Page 4

    L7224A,C; L7248A, C,L OIL AND ELEC TRIC BOILER ELECTRONIC AQ UASTAT ® CONTROLLERS 68-0281—16 4 Fig. 4. Replace ment sensor inst allation. Replacement Sensor Installation T ur n off all power and: 1. Carefully disconn ect sensor from circuit boar d by pulling gently on the connector. 2. Gently p ull sensor from thermo well and throu gh cir- cuit [...]

  • Page 5

    L7224A,C; L724 8A,C,L OIL AND ELECTR IC BOI LER ELECTRONIC AQUASTAT ® CONTROLLERS 5 68-0281—16 A separate electromecha nical high-limit is no t required in a system that u ses this contr ol to meet Underwr iters Laboratorie s Inc. requirem ents for oil-fired boiler assemblies, UL 726. On the L72 24 models, the High Limi t, Low Lim it, Low Li mit[...]

  • Page 6

    L7224A,C; L7248A, C,L OIL AND ELEC TRIC BOILER ELECTRONIC AQ UASTAT ® CONTROLLERS 68-0281—16 6 1 Display shows local setting; not the setting as modified by an external enviracom control. 2 Settings are viewable only if the outdoor reset module and ou t- door temperature sensor are installed and functioning properly. 3 Settings are viewable only[...]

  • Page 7

    L7224A,C; L724 8A,C,L OIL AND ELECTR IC BOI LER ELECTRONIC AQUASTAT ® CONTROLLERS 7 68-0281—16 NO TE: This feature is b locke d if a Domestic Hot W ater demand occurs. Dome stic Hot W ater demands are se rviced immediately , without any delay . NO TE: When the Aquastat is connect ed to the oil primary an d/or thermo stat via the EnviraCOM bus, t[...]

  • Page 8

    L7224A,C; L7248A, C,L OIL AND ELEC TRIC BOILER ELECTRONIC AQ UASTAT ® CONTROLLERS 68-0281—16 8 Fig. 8. L7224A, C; L7248L single hea t zone with indirec t water tank and cir culator s. Optional Outdoor Res et Module. C1 B1 ZC L2 LINE C2 ZR L1 B2 T T3 2 1 M32023A L1 (HOT) SENSOR LINE VOLT AGE CIRCULA TOR LINE VOLT AGE OIL BURNER RELA Y L2 OUTDOOR [...]

  • Page 9

    L7224A,C; L724 8A,C,L OIL AND ELECTR IC BOI LER ELECTRONIC AQUASTAT ® CONTROLLERS 9 68-0281—16 * Error condit ion only available when the Outdoor Reset M odule is installed. T able 6. L7224/L724 8 Controller Opera ting Sequence . Action System Respons e Thermostat calls fo r heat. Circulat or starts when water temperat ure is abov e Low Limit se[...]

  • Page 10

    L7224A,C; L7248A, C,L OIL AND ELEC TRIC BOILER ELECTRONIC AQ UASTAT ® CONTROLLERS 68-0281—16 10 . a W ar nings ar e generated to enunciate the system is not operating optimally , b ut t he Aquastat is still o perating and maintaining boiler temperature. In the instance where an Outdoor Reset Mo dule is used, the war nings may indicate a reset c [...]

  • Page 11

    L7224A,C; L724 8A,C,L OIL AND ELECTR IC BOI LER ELECTRONIC AQUASTAT ® CONTROLLERS 11 68-0281—16 Fig. 9. L72 24A,C multiz one system with cir culator connec tions. Boiler is hot, house is cold. Display is ON. 120 V ac at C1 -C2 • 120 V ac at C1-C2, check wir ing to pump. • Wiring OK, is p ump running ? • If not, r eplace the pump . • If p[...]

  • Page 12

    L7224A,C; L7248A, C,L OIL AND ELEC TRIC BOILER ELECTRONIC AQ UASTAT ® CONTROLLERS 68-0281—16 12 Fig. 10. L7 224A,C sing le zone s ystem with circulator and in direct wate r tank wit h EnviraCOM™ thermosta t. M32025B POWER SUPPL Y . PRO VIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQ UIRED. OPTIONAL FEA TURE ON SELECT MODELS. REFER T O DEV[...]

  • Page 13

    L7224A,C; L724 8A,C,L OIL AND ELECTR IC BOI LER ELECTRONIC AQUASTAT ® CONTROLLERS 13 68-0281—16 Fig. 11. L72 48L multizon e system with cir culator con nections. M29655A POWER SUPPL Y . PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. 1 CONTROL CASE MUST BE CONNECTED TO EARTH GROUND. USE GROUNDING SCREW PROVIDED. 2 3 L1 (HOT) L2 1 2[...]

  • Page 14

    L7224A,C; L7248A, C,L OIL AND ELEC TRIC BOILER ELECTRONIC AQ UASTAT ® CONTROLLERS 68-0281—16 14 Fig. 12. L7 224/L7248 m ultizone system wi th Outdoor Reset an d Domestic Hot W ater Modules (indirect tank applicatio ns). M32024A POWER SUPPL Y . PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. OPTIONAL FEATURE ON SELECT MODELS. REFER [...]

  • Page 15

    L7224A,C; L724 8A,C,L OIL AND ELECTR IC BOI LER ELECTRONIC AQUASTAT ® CONTROLLERS 15 68-0281—16 Fig. 13. L7248L Ext ernal Low Li mit connec tions. M271 13 POWER SUPPL Y . PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. 1 CONTROL CASE MUST BE CONNECTED TO EARTH GROUND. USE GROUNDING SCREW PROVIDED. 2 W L1 (HOT) L2 1 B R C1 B1 ZC L2 [...]

  • Page 16

    L7224A,C; L7248A, C,L OIL AND ELEC TRIC BOILER ELECTRONIC AQ UASTAT ® CONTROLLERS Automation and Control Solutions Honeywell Intern ational Inc. 1985 Douglas Drive North Golden Valley, MN 55422 customer.hone ywell.com ® U.S . Registered T rademark © 2013 Honey well International Inc. 68-0281—16 M.S . Rev . 09-13 Printed in United States[...]