FCC ID: 2BA72-IUH15 UH15

Installation and User Instructions Seccua iUH15 DISCLAIMER Seccua Holding AG makes no representations or warranties with respect to this manual and, to the maximum extent permitted by law, expressly limits its liability for breach of any warranty that may be implied to the replacement of this manual with another. Furthermore, Seccua reserves the right to revise this publication at any time without incurring an obligation to notify any person of the revision. The information provided in this documentation contains general descriptions and/or technical characteristics of the performance of the products contained herein. This documentation is not intended as a substitute for and is not to be used for determining suitability or reliability of these products for specific user applications. It is the duty of any such user or integrator to perform the appropriate and complete risk analysis, evaluation and testing of the products with respect to the relevant specific application or use thereof. Neither Seccua nor any of its affiliates or subsidiaries shall be responsible or liable for misuse of the information that is contained herein. If you have any suggestions for improvements or amendments or have found errors in this publication, please notify us. All pertinent state, regional, and local safety regulations must be observed when installing and using this product. For reasons of safety and to help ensure compliance with documented system data, only the manufacturer or authorized Seccua Partners shall perform repairs to components. Intended use Seccua iUH15 is expected to be used to filter well water or municipal water product feature Seccua iot control module provides wireless connectivity to the cloud. With external pressure sensors and flow sensors, the condition of the filters can be monitored and flushed to prevent the entry of germs, turbidity and rust from the central water supply, as well as to prevent the growth of pathogens in the pipes. Any use other than those described in this specification shall be deemed as non-intended use. Seccua will not accept any liability for damage and injury resulting from non-compliance with the use of iUH15. 1.Parameter product name product model manufacturer import UH15 iUH15 MANN+HUMMEL 24V==1A 2. Installation instructions product size Note:The product needs to be fixed to the main body of the relevant flow path with screws, and control the relevant sensor to work, as shown in the figure above Installation indication Always follow the instructions and safety precautions in this manual. Failure to follow the instructions can result in serious injury or death. Do not change the power connecting plug or the power supply cable. Make sure the power supply cable is never in water. Unplug the iUH15 before installation or maintenance. Do not modify or open the product. 3. Sensor description P2:Analog signal input. TEMP:Analog signal input. P1:Analog signal input. FLOW:digital signal input. VALVE:PWM output Note:The above sensor interfaces can be connected with flowmeters, pressure sensors, solenoid valves, temperature sensors and other sensors to provide the required parameters for users, which can be changed according to the requirements or use scenarios FCC regulatory conformance:

This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions:

(1) this device may not cause harmful interference;

(2) this device must accept any interference received, including interference that may cause undesired operation. NOTE This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

- Reorient or relocate the receiving antenna

-Increase the separation between the equipment and receiver

- Connect the equipment into an outlet on a circuit different from that t which the receiver is connected.

- Consult the dealer or an experienced radio/TV technician for help. NOTE The manufacturer is not responsible for any radio or TV interference caused by unauthorized modifications to this equipment. Such modifications could void the user's authority to operate the equipment. RF Exposure This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance of 20 cm between the radiator and your body. This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter. Disposal Make sure that the iUH15 and its filter modules are disposed of in compliance with local legislation, regulations, instructions and precautions concerning health, safety and environment. Make sure to dispose or recycle the following materials in an environmentally-friendly manner:

All plastic parts marked with a recognizable code for recycling. The battery is located on the main printed circuit board in the control unit. The printed circuit board and attachments. These parts must be disposed of as electrical and electronic waste. The symbol on the product, the accessories or packaging indicates that this device must not be treated as unsorted municipal waste, but must be collected separately. Dispose of the device via a collection point for the recycling of waste electrical and electronic equipment if you live within the EU and in other European countries that operate separate collection devices for waste electrical and electronic equipment. By disposing of the device in the proper manner, you help to avoid possible hazards for the environment and public health that could otherwise be caused by improper treatment of waste equipment. The recycling of materials contributes to the conservation of natural resources.

(# 12910) Model No.: iUH15 Input: 24V 1A FCC ID: 2BA72-IUH15 RoHS IP65 This device complies with Part 15 of FCC Rules. Operation is subject to the following two conditions:

(1) this device may not cause harmful interference, and

(2) this device must accept any interference received, including interference that may cause undesired operation. Refer to QR code below power inlet for Serial No. A

(# 12910) Model No.: iUH15 Input: 24V 1A FCC ID: 2BA72-IUH15 RoHS IP65 This device complies with Part 15 of FCC Rules. Operation is subject to the following two conditions:

(1) this device may not cause harmful interference, and

(2) this device must accept any interference received, including interference that may cause undesired operation. Refer to QR code below power inlet for Serial No. m m 0

. 0 1 1.Label size: 33*50mm 2.Text size: 6pt/5pt

Seccua LLC Agent Authorization Company: Seccua LLC Address: 1601 Concord Pike Wilmington, DE 19803-3600 Product Name: UH15 Model Number(s): iUH15 Product Description: UH15 We authorize MiCOM Labs Inc., 575 Boulder Court, Pleasanton, California 94566, USA, to act on our behalf on all matters concerning the certification of above named equipment. We declare that MiCOM Labs Inc. is allowed to forward all information related to the approval and certification of equipment to the regulatory agencies as required and to discuss any issues concerning the approval application. Any and all acts carried out by MiCOM Labs on our behalf shall have the same effect as acts of our own. Signature:

Name:

Stu Miller Title:

Manager Company: Seccua LLC Date: 2023-06-07

(Seccua LLC) Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 16 May 2023 Ref: Attestation Statements Part 2.911(d)(5)(i) Filing FCC ID: 2BA72-IUH15 Stu Miller, Seccua LLC certifies that the equipment for which authorization is sought is not covered equipment prohibited from receiving an equipment authorization pursuant to section 2.903 of the FCC rules. Sincerely, __________ Stu Miller

(May 16, 2023) Rev 1/26/2023

Date: 16 May 2023 To:

Federal Communications Commission, Authorization & Evaluation Division, 7435 Oakland Mills Road, Columbia, MD 21046 To Whom It May Concern:

The Seccua LLC, the undersigned, hereby authorizes Mr. Wu Xuewen from Shenzhen BALUN Technology Co., Ltd., to act on the behalf of the Seccua LLC solely in matters relating to the application for an FCC equipment authorization for FCC ID: 2BA72-IUH15 including the signing of documents in connection with this Application. Necessary acts carried out by Shenzhen BALUN Technology Co., Ltd. in connection with the Application shall have the same effect as acts of the Seccua LLC. The Seccua LLC also hereby certify that no party to this application is subject to a denial of benefits, including FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. Section 862. Yours Sincerely, __________ Stu Miller

Seccua LLC Date: 16 May 2023 To: Federal Communications Commission, Authorization & Evaluation Division, 7435 Oakland Mills Road, Columbia, MD 21046 Re: Seccua LLC FCC ID: 2BA72-IUH15 FCC Certification Confidentiality Request Gentlemen:

This letter is to comply with 47 CFR 0.457 and 0.459 pertaining to confidentiality material. Seccua LLC requests that the following documents regarding this submission for FCC ID: 2BA72-IUH15 be kept Long-Term confidential:

Exhibit Type Block Diagram Schematics Operational Description Operational Description.pdf File Name Block Diagram.pdf Schematics.pdf And below exhibit kept short-term confidential (180 days):

External photos Test setup photos Internal photos User manual External photos.pdf test photo.pdf Internal photos.pdf User manual.pdf Those documents contain detailed system and equipment description and related information about the product which Seccua LLC considers to be confidential proprietary, a custom design and, otherwise, not releasable to the general public. Since this design is a basis form which future technological products will evolve, Seccua LLC considers this information would be of benefit to its competitors, and that the disclosure of the information in these documents would give competitors an unfair advantage in the market. Yours Sincerely, Stu Miller

(Seccua LLC) Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 16 May 2023 Ref: Attestation Statements Part 2.911(d)(7) Filing FCC ID: 2BA72-IUH15 Seccua LLC certifies that, as of the date of the filing of the application, Seccua LLC is our designated U.S. agent for service of process for the above referenced FCC ID. Seccua LLC accepts to maintain an agent for no less than one year after the grantee has terminated all marketing and importation or the conclusion of any Commission-related proceeding involving the equipment. Seccua LLC accepts, as of the date of the filing of the application, the obligation of the designated U.S. agent for service of process for the above referenced FCC ID. Designated U.S. Agent Information:

Name: Seccua LLC Address: 1601 Concord Pike Wilmington, DE 19803-3600A FRN: 0033781121 Contact Person: Stu Miller Tel.: +19842020582 Fax No.: +19842020582 Email: stu.miller@mann-hummel.com Sincerely, U.S. Agent company name U.S. Agent printed name U.S. Agent signature Seccua LLC Stu Miller

(May 16, 2023) Rev 1/26/2023