2A7XT-0032670887Hydra Rinse

® ™ for Soft Serve Ice Cream Machines ® ® ™ Complete for service reference information regarding your Hydra Rinse ® product: : Note: This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instruction manual, may cause harmful interference to radio communications. Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense. Changes or modifications that are not expressly approved by the manufacturer could void user’s authority to operate the equipment. This device contains licence-exempt transmitter(s)/receiver(s) that comply with Innovation, Science and Economic Development Canada’s licence-exempt RSS(s). Operation is subject to the following two conditions: 1. This device may not cause interference. 2. This device must accept any interference, including interference that may cause undesired operation of the device. L’émetteur/récepteur exempt de licence contenu dans le présent appareil est conforme aux CNR d’Innovation, Sciences et Développement économique Canada applicables aux appareils radio exempts de licence. L’exploitation est autorisée aux deux conditions suivantes: 1. L’appareil ne doit pas produire de brouillage; 2. L’appareil doit accepter tout brouillage radioélectrique subi, même si le brouillage est susceptible d’en compromettre le fonctionnement. NSF listed as HRF1-0 under Hydra Rinse, LLC Any unauthorized reproduction, disclosure, or distribution of copies by anyone unaffiliated with HYDRA RINSE, LLC relating to any portion of this work may be a violation of Copyright Law of the United States of America and other countries. Statutory Damages of up to $150,000 (17 USC 504) could result for infringement, which could also lead to consequent civil and criminal penalties. All rights reserved. Hydra Rinse, LLC 7870 Lehigh Crossing Suite 1, Victor New York 14564 Toll Free: 844-233-6349 ® ™ Table of Contents Page Section 1: Installation Guidelines ........................................................... 1 Section 2: Operator Introduction ........................................................... 2 Section 3: Safety ..................................................................................... 3 Section 4: Product Introduction .............................................................. 4 • The Hydra Rinse ® Eco System Section 5: User Interface ........................................................................ 5 • The RESET-CUPS-PROGRAM button functionality • The ONE TOUCH button functionality • The STATUS INDICATORS LEDs • The PLAY/PAUSE button functionality Section 6: LEXX™ Cups and Bottle Concentrate ...................................... 7 • LEXX™ Liquid Sanitizer and Cleaner Concentrate Section 7: Registration of Token Tag ...................................................... 8 Section 8: Referenced Components ....................................................... 9 Section 9: Required Water and Drain Source ....................................... 10 • Water Source • Drain Source Section 10: HRWAND128 Portable Wandstation .................................. 11 • General Information Section 11: Upgrade Components ........................................................ 12 • Hydra Rinse ® Upgraded Components Section 12: NSF Certified Hydra Rinse ® Process .................................... 13 • 29 Step Reference Document (Pause for Mechanical Scrub) ® ™ Table of Contents Page Section 12: NSF Certified Hydra Rinse ® Process (Variant) ..................... 14 • 27 Step Reference Document (Post Mechanical Scrub) Section 13: Certified Flavor Change Process ......................................... 15 • 31 Step Reference Document Section 14: Details of the Hydra Rinse ® Process ................................... 16 • Detailed Training Instructions for Sections 12 & 13 Section 15 : Troubleshooting Guide...................................................... 29 • Table Defining Common Problems with Potential Cause and Solution Section 16: Pro-control Module LEDs ................................................... 31 • Table Defining LED Process and Error Codes Section 17: Battery Installation/Replacement ...................................... 33 Section 18: Online Resources/Support ................................................. 34 Section 19: Warranty ............................................................................ 35 Section 20: Appendix A ......................................................................... 36 • Securing the Hydra Rinse Pro-control Module on a 150-XX, 161- XX, 152-XX, 162-XX Section 21: Appendix B ......................................................................... 37 • When working with a Taylor Model 632 Section 22: Appendix C ......................................................................... 39 • LEXX™ pH Solution Measurement • LEXX™ Solution Total Acid Test ® ™ Section 1: Installation Guidelines The information provided is to ensure that your meets factory tested Performance. Requirements No additional tools or fasteners are required for proper mounting to the soft serve machine; attaching features are all inclusive. For the WSF128-169 Portable Wandstation “HRWAND128”: Depending on where the location of the “MOUNTING BRACKET” is installed e.g., concrete/drywall, etc., anchor bolts (not included) should be capable of supporting a minimum of 50 lbs. (Max screw diameter 3/16” actual size: 0.1875”) Care should be taken when installing your to ensure proper performance and operation. • Only trained personnel should install and operate this device. • Only…

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Operation “Wash Cycle” Step: 1.Press the one touch button 2.Observe that the green LED came on, and Yellow LED began to blink 3.Wash Cycle has started Wash cycle should be ~7 minutes long At the end of the wash cycle unit will beep 5 times and leave the green LED blinking. To place unit into sleep mode after wash cycle is done: Step: 1.press the Play/Pause button 1.Green LED should turn off 7/15/2022-Simplified Operating Instructions-1 Operation “Reboot” Step: 1.Press the “green leaf” Reset, Cups, Program button You should observe the green LED coming on, yellow LED blink 3 times, then eventually beep and go into sleep mode A reboot takes about 8 seconds 7/15/2022-Simplified Operating Instructions-2 RFID Token Tag Operation “Reboot” with RFID Communication Step: 1.Place RFID tag in the center of the HR logo on top cover. 2.Press the “green leaf” Reset, Cups, Program button. You should observe the green LED coming on, yellow LED blink 3 times, then eventually beep and begin to blink LED’s signaling the number of wash tokens loaded onto the unit (green LED = 100’s, Yellow = 10’s, red = 1s) To get out of the “Token Read Out” you must press the “green leaf” Reset, Cups, Program button with no token tag near unit. A reboot takes about 8 seconds 7/15/2022-Simplified Operating Instructions-3

7/15/2022-Simplified Connection Diagram-1 Simplified Connection Diagram Battery installation: Link: https://intercom.help/hydra-rinse/en/articles/586684-battery- replacement#:~:text=Pull%20the%20top%20cover%20off,Cell%20%22C%22%20type%20 batteries. 1.Remove the cups 2.Remove the 4 screws 3.Pull the top cover off 4.Remove batter case lid 5.Install the 3 C-cell batteries paying attention or the orientation 6.Install the battery case lid 7.Install top cover 8.Install the 4 screws to secure top cover 9.Install the cup housings The unit will boot up as soon as all 3 batteries are connected and will enter sleep mode after beeping 2 times. For FCC testing there are not other connections needed, as the unit will run normally without water connected to it, and now cleaner/sanitizer is required for it to run through a “dry” wash cycle.

Taylor Commercial Foodservice, LLC 750 N. Blackhawk Boulevard Rockton, Illinois 61072 Phone: 815-624-8333 Fax: 815-624-8000 www.taylor-company.com Date: September 13, 2022 TO: Federal Communication Commission Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MID 21046 Regarding: 2A7XT-0032670887 To Whom It May Concern: We, the undersigned, hereby authorize Brandon Osborn to act on our behalf in all manners relating to application for equipment authorization with respect to the FCC ID above, including signing of all documents relating to these matters. Any and all acts carried out by the agent on our behalf shall have the same effect as acts of our own. We, the undersigned, hereby certify that we are not subject to a denial of federal benefits, that includes FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. 853(a). Where our agent signs the application for certification on our behalf, I acknowledge that all responsibility for complying with the terms and conditions for Certification, as specified by SGS North America, Inc., still resides with Taylor Commercial Foodservice, LLC. This authorization is valid until further written notice from the applicant. Sincerely, Michael Michalek Sr. Compliance Agent Taylor Company Tel: 815-624-5317 Fax: 815-624-5181 Email: [email protected]

Taylor Commercial Foodservice, LLC 750 N. Blackhawk Boulevard Rockton, Illinois 61072 Phone: 815-624-8333 Fax: 815-624-8000 www.taylor-company.com To: SGS North America Inc. 620 Old Peachtree Road SUITE 100 Suwanee, Georgia United States From: Taylor Commercial Foodservice 750 N. Blackhawk Blvd Rockton, IL 61072 Regarding: Confidentiality Request for FCC ID 2A7XT-0032670887 LONG TERM CONFIDENTIALITY Pursuant to 47 CFR Section 0.459 and 0.457 of the commission’s rules, the applicant hereby request confidential treatment of the documents listed below, associated with the certification application referenced above. Schematic(s) Block Diagrams Operational Descriptions Parts List / BOM The documents above contain proprietary information not released to the public. Public disclosure of this information may prove harmful to the business of the applicant. SHORT TERM CONFIDENTIALITY Additionally, the applicant requests the following documents be held confidential until the device is marketed or 180 days from the grant date, whichever is less. If the device is marketed within 180 days of the Grant Date, the applicant will notify the TCB per FCC KDB 726920 D01 Confidentiality Request Procedures. External Photos Internal Photos Test Setup Photos User manual(s) Sincerely, Date: August 9, 2022 Michael Michalek Sr. Compliance Agent

Applicant Declaration Applicant Declaration Rev:0.0 SGS North America Inc. 620 Old Peachtree Road SUITE 100 Suwanee, Georgia 30024 United States Applicant Legal Business Name Taylor Commercial Foodservice, LLC Address 750 N. Blackhawk Boulevard Grantee Code 2A7XT FCC ID 0032670887 Authorized Contact Name Michael Michalek Contact Email [email protected] Contact Phone 815-624-5317 I, the undersigned, certify that I am an authorized signatory for the Applicant and therefore declare; a) in accordance with 47CFR2.911(d), all of the statements herein and the exhibits attached hereto are true and correct to the best of my knowledge and belief. b) in accepting a Grant of Equipment Authorization issued by a TCB, under the authority of the FCC, as a result of the representations made in this application, the Applicant is responsible for: (1) labeling the equipment with the exact FCC ID as specified in this application, (2) compliance statement labeling pursuant to the applicable rules, (3) compliance of the equipment with the applicable technical rules, c) if the Applicant is not the actual manufacturer of the equipment, appropriate arrangements have been made with the manufacturer to ensure that production units of this equipment will continue to comply with the FCC’s technical requirements. d) in accordance with 47 CFR 2.909 and KDB394321, the Applicant has read, understood and agrees to accept that they are the responsible party and agree to abide by their responsibilities as specified under 47 CFR 2.909 and KDB394321. e) in accordance with ISO17065, FCC KDB641163, FCC KDB610077, KDB394321 and RSP-100, the Applicant has read, understood, accepts and agrees to abide by the post market surveillance requirements. (1) the Applicant understands, accepts and agrees that a sample may be requested for surveillance testing. (2) the Applicant shall make provisions to always have a production sample available upon request by SGS, FCC and/or ISED. (3) the Applicant shall, upon request by SGS, at the Applicant’s expense, provide a production sample of the requested product to SGS, FCC and/or ISED as instructed. The sample shall include all support devices, cables, software, accessories or other hardware or software required for evaluation, review, certification and audit surveillance of products certified by SGS. f) neither the Applicant nor any party to the application is subject to a denial of Federal benefits, that includes FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. §862 because of a conviction for possession or distribution of a controlled substance. See 47CFR 1.2002(b) for the definition of a “party” for these purposes. g) the Applicant has read, understood, accepts and agrees to abide by the SGS North America, Inc.(TCB) terms and conditions. Link to CFRs: https://www.fcc.gov/wireless/bureau-divisions/technologies-systems-and-innovation-division/rules-regulations-title-47 Link to KDBs: https://apps.fcc.gov/oetcf/kdb/index.cfm Link to RSP-100: https://www.ic.gc.ca/eic/site/smt-gst.nsf/eng/sf01130.html Applicant Signature: Date: August 8, 2022 Print Name: Michael Michalek Title: Sr. Compliance Agent *NOTE: This declaration cannot be signed by an Agent, it shall be signed by an authorized person listed in the FCC database

EXTERNAL PHOTOS FCC ID: 2A7XT-0032670887 IC: 4920A-9990341 2 © SGS SA 2016 ALL RIGHTS RESERVED FRONT 3 © SGS SA 2016 ALL RIGHTS RESERVED BACK 4 © SGS SA 2016 ALL RIGHTS RESERVED LEFT SIDE 5 © SGS SA 2016 ALL RIGHTS RESERVED RIGHT SIDE 6 © SGS SA 2016 ALL RIGHTS RESERVED INLET COVERS REMOVED WWW.SGS.COM

NES7/15/2022 Product Data Label goes here Product Data label: Location Product Data Label will be placed on the back of the unit on exterior surface and will be easily visible to user as the product is a portable device

INTERNAL PHOTOS FCC ID: 2A7XT-0032670887 IC: 4920A-9990341 2 © SGS SA 2016 ALL RIGHTS RESERVED BATTERY COMPARTMENT (LID REMOVED) 3 © SGS SA 2016 ALL RIGHTS RESERVED INSIDE TOP VIEW 4 © SGS SA 2016 ALL RIGHTS RESERVED INLETSOLENOIDS 5 © SGS SA 2016 ALL RIGHTS RESERVED MAIN BOARD –TOP VIEW 6 © SGS SA 2016 ALL RIGHTS RESERVED MAIN BOARD –BOTTOM VIEW 7 © SGS SA 2016 ALL RIGHTS RESERVED MAIN BOARD –RFIDANTENNA WWW.SGS.COM

THIRD ANGLE PROJECTION 7870 LEHIGH CROSSING SUITE 1 VICTOR, NY 14564 THE INFORMATION CONTAINED IN THIS DRAWING IS THE SOLE PROPERTY OF HYDRA RINSE, LLC. ANY REPRODUCTION IN PART OR AS A WHOLE WITHOUT THE WRITTEN PERMISSION OF HYDRA RINSE, LLC IS PROHIBITED. PROPRIETARY AND CONFIDENTIAL DIMENSIONS ARE IN INCHES TOLERANCES: ANGULAR: ±1° TWO PLACE DECIMAL 0.010 THREE PLACE DECIMAL 0.005 SURFACE FINISH 63 RMS INTERPRET GEOMETRIC TOLERANCING PER: ANSI Y14.5:2009 MATERIAL FINISH DRAWN CHECKED ENG APPR. MFG APPR. Q.A. DATE NAME HYDRA RINSE, LLC TITLE: SIZE DWG. NO. REV UNLESS OTHERWISE SPECIFIED: DO NOT SCALE DRAWING WEIGHT: SCALE: 1:5 NES 1/29/19 SHEET 1 OF 1 999-0341 HR CONTROL ASSEMBLY A 21 8 3 12 1 2 1615 14 11 10 6 4 5 19 24 17 18 10 22 7 23 20 9.4 13 9.1 9.2 9.3 NOTES: REFER TO ASSEMBLY DOCUEMNTATION FOR PROPER ASSEMBLY INSTRUCTIONS REVISIONS ZONEREV.REVISION NOTESDATEAPPROVED A CR0-0403, 0347. LATEST VALVE AND THICKER FOAM GASKET. SUPERCEDES 999-0340 12/12/2019Nate Smith ITEM NO.PART NUMBERTITLE NAMEQTY.PART TYPE 1101-1390MAIN BODY1MANUFACTURE 2101-1140COVER, WELD ON 1MANUFACTURE 3101-0584CHAMBER VENT FOR HOUSING1PURCHASE 4101-1422VALVE, 12V TRANSL CUSTOM TIP2MANUFACTURE 5101-1430INPUT MANIFOLD1MANUFACTURE 6101-0597SCREW, #6 HI-LOx1"2PURCHASE 7101-1770O-RING, SQUARE PROFILE SIZE -0151PURCHASE 8101-1440QUICK CONNECT - CPC 1/2 NPTM1PURCHASE 9999-0530HR PCB ASSEMBLY - 3V1ASSEMBLY 9.1 101-1200CONTROL BOARD BRACKET1MANUFACTURE 9.2 101-0516KEEPER, RFID ANTENNA 1MANUFACTURE 9.3 101-0703HR GEN II RFID ANTENNA - WITH CONNECTOR1PURCHASE 9.4 101-0800PCB CONTROL BOARD - R51MANUFACTURE 10101-0495SCREW, HI-LO #4 x3/8LONG4PURCHASE 11101-1790BATTERY CASE1PURCHASE 12101-0543GORE VAPOR VENT NUT1PURCHASE 13101-0719FOAM PAD - BATTBOX1PURCHASE 14101-1230BRACKET, BATTERY CASE HOLD DOWN1MANUFACTURE 15101-1110HOUSING, CHEM POD CUP HOLDER1MANUFACTURE 16101-1120HOUSING, CUP POD - MIRRORED1PURCHASE 17101-2760O-RING, SIZE -1382PURCHASE 18101-0067CHECK VALVE, 0.31 OD1PURCHASE 19101-0324KEY PAD, GEN II1MANUFACTURE 20101-0194LABEL, HYDRA RINSE NSF1MANUFACTURE 21101-1130HR TOP COVER1MANUFACTURE 22101-6640GASKET - CLOSED CELL FOAM 1MANUFACTURE 23101-0477HR GEN II HR LOGO1MANUFACTURE 24101-0453SEALING FH 6-32X1 4PURCHASE D C B A A B C D 1 2 4 5 6 7 8 8 7 6 5 4 3 2 1 3 B

Test Report Number: 4941423EMC01 Rev: 1 Taylor Commercial Foodservice LLC / Hydra Rinse Page: 1 of 21 Remarks: This document is issued by the Company subject to its General Conditions of Service printed overleaf, available on request or accessible at http://www.sgs.com//en/Terms-and-Conditions.aspx. And for electronic format documents, subject to Terms and Conditions for Electronic Documents at http://www.sgs.com/en/Terms-and-Conditions/terms-e-document.aspx. Attention is drawn to the limitation of liability, indemnification and jurisdiction issues defined therein. Any holder of this document is advised that information contained hereon reflects the Company’s findings at the time of its intervention only and within the limits of Client’s instructions, if any. The Company’s sole responsibility is to its Client and this document does not exonerate parties to a transaction from exercising all their rights and obligations under the transaction documents. This document cannot be reproduced except in full, without prior written approval of the Company. Any unauthorized alteration, forgery or falsification of the content or appearance of this document is unlawful and offenders may be prosecuted to the fullest extent of the law. Unless otherwise stated the results shown in this test report refer only to the sample(s) tested and such sample(s) are retained for a maximum of 30 days only. EMC Test Report Project Number: 4941423 Proposal: SUW-202207003104 Report Number: 4941423EMC01 Revision Level: 1 Client: Taylor Commercial Foodservice LLC Equipment Under Test: Food Service Rinse for Soft Serve machines Model Name: Hydra Rinse Model Number: HRF1-12 FCC ID: 2A7XT-0032670887 IC: 4920A-9990341 Applicable Standards: FCC Part 15 Subpart C, §15.225 RSS-210, Issue 10, December 2019 ANSI C63.10: 2013 RSS-GEN, Issue 5, March 2019 Report issued on: 12 September 2022 Test Result: Compliant FOR THE SCOPE OF ACCREDITATION UNDER CERTIFICATE NUMBER: 3212.01 Report must not be used by the client to claim product certification, approval, or endorsement by A2LA, NIST, or any agency of the Federal Government. Prepared by: Andrew Bluhm, Jr RF Engineer Reviewed by: Jeremy Pickens, RF Lab Manager Test Report Number: 4941423EMC01 Rev: 1 Taylor Commercial Foodservice LLC / Hydra Rinse Page: 2 of 21 SGS North America Inc. Connectivity & Products 620 Old Peachtree Road NW, Suite 100, Suwanee, GA 30024 t (770) 570-1800 www.sgs.com Member of the SGS Group (SGS SA) TABLE OF CONTENTS 1 SUMMARY OF TEST RESULTS ..................................................................................................................................... 3 1.1 MODIFICATIONS REQUIRED TO COMPLIANCE ................................................................................................................ 3 2 GENERAL INFORMATION ............................................................................................................................................. 4 2.1 CLIENT INFORMATION ................................................................................................................................................... 4 2.2 TEST LABORATORY ....................................................................................................................................................... 4 2.3 GENERAL INFORMATION OF EUT .................................................................................................................................. 4 2.4 OPERATING MODES AND CONDITIONS .......................................................................................................................... 4 2.5 EUT CONNECTION BLOCK DIAGRAM – RADIATED MEASUREMENTS ............................................................................ 5 2.6 SYSTEM CONFIGURATIONS ............................................................................................................................................ 5 3 OCCUPIED BANDWIDTH ............................................................................................................................................... 6 3.1 TEST RESULT ................................................................................................................................................................. 6 3.2 TEST METHOD ............................................................................................................................................................... 6 3.3 TEST SITE ...................................................................................................................................................................... 6 3.4 TEST EQUIPMENT .......................................................................................................................................................... 6 3.5 TEST DATA .................................................................................................................................................................... 7 4 FIELD STRENGTH OF THE FUNDAMENTAL ........................................................................................................... 8 4.1 TEST RESULT ................................................................................................................................................................. 8 4.2 TEST METHOD ............................................................................................................................................................... 8 4.3 TEST SITE ...................................................................................................................................................................... 9 4.4 TEST EQUIPMENT .......................................................................................................................................................... 9 4.5 TEST DATA .............................................................................................................…

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TEST SETUP PHOTOGRAPHS Applicant: Taylor Company Model –HRF1-12 FCC ID: 2A7XT-0032670887 IC: 4920A-9990341 2 9KHZ TO 30 MHZ -FRONT VIEW 3 9KHZ TO 30MHZ -REARVIEW 4 30-1000 MHZ -FRONT VIEW 5 30-1000 MHZ –REAR VIEW WWW.SGS.COM © SGS Group Management SA – 2016 – All rights reserved - SGS is a registered trademark of SGS Group Management SA