2APQIIT-RFHUB-02RF Hub

Rev 1.1 Page 1 of 3 IT-RFSWITCH-01 Wall Switch & IT-RFHUB-01 Hub Installation Guide Overview This document summarizes introductions for operating hub IT-RFHUB-01 and in-wall switch IT-RFSWITCH-01. Working as a paired set, IT-RFHUB-01 and IT-RFSWITCH-01 can remotely control the QuietCool Whole House Fans of QC Manufacturing Inc at up to three different speeds. Key Specifications IT-RFHUB-01 (Hub): IT-RFSWITCH-01 (Switch) Voltage: 120V Voltage: 3VDC (2 AAA batteries) Frequency: 60Hz Battery Standby Current: ≤10uA Motor load: 1HP, 735W (Max) RF working distance: 100ft (no obstructions) Warning: - Disconnect power at the circuit breaker before installing or servicing - Use wires rated at least 105*C – copper only - Installation/wiring must be in accordance with national and local code regulations - Keep the enclosure cover closed at all times when not servicing. - Cover all unused wires with a wire connector FCC Regulations FCC Supplier’s Declaration of Conformity Product Name：RF Hub / RF Switch Model number： IT-RFHUB-01 / IT-RFSWITCH-01 Suppliers Name: QC Manufacturing Inc. Suppliers Address (USA) ：26040 Ynez rd Temecula California 92591, United States Suppliers Website: www.QuietCoolSystems.com Contact Email/Telephone: Jeff Whitehouse [email protected] FCC Compliance Statement 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, and (2) this device must accept any interference received, including interference that may cause undesired operation. Caution: The user is cautioned that changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. 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 to which the receiver is connected. —Consult the dealer or an experienced radio/TV technician for help. Rev 1.1 Page 2 of 3 Fig. 3 Connection Wires of IT-RFHUB-01 Input wires: Black: Line voltage, ACL White: Neutral, CAN Output wires: Red: Low speed Yellow: Medium speed Blue: High speed Installation In-wall Switch: The in-wall switch is a standard decora style wall switch which can be fitted into a standard wall box or onto a wall- mount base plate that comes with the switch. As shown in Fig. 1, remove the front panel of in-wall switch, then install 2 pcs of AAA batteries into the holders. Please make sure the battery polarity is correct. All the LED lights on the in-wall switch will be on for 3 seconds and then go out, which means the in-wall switch operates properly. Install the front panel back onto the switch. If LED lights are not on after batteries are installed, please check the battery status and try again. IT-RFHUB-01 Hub: (Please switch off main power before wiring. The installation should be done by qualified personnel only) The hub (with a curved bottom) should be attached to the cylindrical fan housing and is wired to the fan motor. Remove the screw that holds down the hub cover and flip it up. Once the cover is open, a three digit dip switch is available for fan speed configuration, as shown in Fig. 2. Once wiring is completed, close the hub cover and tighten the screw. Operation 1. Power on the Hub: Switch on power to the hub, the Power indicator on the hub will be on, and other three indicators will stay off. Press the “Test” button to change fan speed, the fan will run in the following cycles: 1 speed fan: on -> off -> on -> off, 2 speed fan: high speed -> low speed -> off -> high speed -> low speed -> off 3 speed fan: high speed -> medium speed -> low speed -> off -> high speed -> medium speed -> low speed -> off And, the Test indicator will blink as follows: Low speed on: the speed LED will blink once every 2 seconds, Medium speed on: the speed LED will blink twice every 2 seconds, and High speed on: the speed LED will blink three times every 2 seconds. 2. Pairing the Hub with the In-Wall Switch: 2.1 Press and hold the “Pair” button, the “Pair” LED will be on for three seconds then turn off. All previous pairing info is removed (one hub can be paired with 20 in-wall switches respectively). 2.2 Press the “Pair” button twice, the “Pair” LED will have one blink every second, and the hub is in paring mode (all the buttons on the hub are disabled). Fig. 1 Install Battery onto In—wall Switch Fig. 2 Dip Switch for Fan Speed Configuration 1 speed fan: Dial 1 to "ON”; and 2 speed fan: Dial 2 to "ON”; and 3 speed fan: Dial 3 to "ON” Rev 1.1 Page 3 of 3 2.3 Press either one of the two buttons on the in-wall switch to be paired, the “Pair” LED will be off, indicating pairing is successfully done. At this time, the paired in-wall switch will display the current status of the hub (Please see “In-Wall Switch LEDs” for more details). Note: If there is no button press on in-wall switch within 3 minutes, the hub’s “Pair” indicator will go off too, but pairing is incomplete. In this case, the user would need to go back to step 2.2 3. Sleep Mode of In-Wall Switch: The wall switch will enter sleep mode whenever there is …

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External Photographs Page 2 of 3 UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch This report shall not be reproduced except in full, without the written approval of UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch. . View of EUT-1 View of EUT-2 Page 3 of 3 UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch This report shall not be reproduced except in full, without the written approval of UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch. . View of EUT-3 View of EUT-4

C 0~6 ±0.3 6~30±0.5 30~120±0.8 120~400±1.2 >400±3 角度±2° 普通公差（所有尺寸单位为毫米） 审核签名： 创建日期： 产品名称：RF HUB(IT-RFHUB-01-A) 工艺： 材料： 绘图： 比例 1:1 审核签名修订日期修订者修订版本 第三视角 11 图纸名称： 此份图纸/文件的版权和所有权归深圳市亚晔实业 有限公司所有； 此图纸不允许拷贝（包括全部或局部），如果要 给制造商或是其它用途使用必须要经过公司同意； 使用任何方法拷贝此份图纸/文件必须包含以下的 图例： 深圳市亚晔实业有限公司 物料编码： 第 页 共 页 图纸编号： A4 SIZE DWG AB C DE F H I J G 8 7 6 5 4 3 2 1 8 7 6 5 4 3 2 1 AB C DE F H I J G 邓建惠 邓建惠 见上 接收盒型号贴纸 - VER:A 注意要求： 1、材料：UL 50#光白PET 覆光膜 黑色印刷。制造商UL证书号：MH46243。 2、包装要求(普通包装) 3、环保要求( 必须环保) Model: IT-RFHUB-01 INPUT RATINGS: 120VAC 60Hz E500978 Name: RF Hub OUTPUT RATINGS: 1HP 120VAC 60Hz FCC ID : 2APQIIT-RFHUB-02 60 38 Model: IT-RFHUB-01 INPUT RATINGS: 120VAC 60Hz E500978 Name : RF Hub OUPTUT RATINGS: 1HP 120VAC 60Hz FCC ID : 2APQIIT-RFHUB-02 label: label location: note:The label is attached to the surface of the product with a permanent adhesive.

Internal Photographs Page 2 of 4 UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch This report shall not be reproduced except in full, without the written approval of UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch. . Internal View of EUT-1 Internal View of EUT-2 Antenna Page 3 of 4 UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch This report shall not be reproduced except in full, without the written approval of UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch. . Internal View of EUT-3 Internal View of EUT-4 Page 4 of 4 UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch This report shall not be reproduced except in full, without the written approval of UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch. . Internal View of EUT-5

Antenna type： single wire Antenna gain：0 dBi Antenna size：

The results reported herein have been performed in accordance with the laboratory’s terms of accreditation. This report shall not be reproduced except in full without the written approval of the Laboratory. The results in this report apply to the test sample(s) mentioned above at the time of the testing period only and are not to be used to indicate applicability to other similar products. CFR 47 FCC PART 15 SUBPART C CERTIFICATION TEST REPORT For RF Hub MODEL NUMBER: IT-RFHUB-01 FCC ID: 2APQIIT-RFHUB-02 REPORT NUMBER: 4790513910-1 ISSUE DATE: September 06, 2022 Prepared for QC Manufacturing Inc. 26040 Ynez rd Temecula California 92591 United States Prepared by UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch Building 10, Innovation Technology Park, No. 1, Li Bin Road, Song Shan Lake Hi- Tech Development Zone Dongguan, 523808, People’s Republic of China Tel: +86 769 22038881 Fax: +86 769 33244054 Website: www.ul.com REPORT NO.: 4790513910-1 Page 2 of 38 UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch FORM NO.: 10-SL-F0057 This report shall not be reproduced except in full, without the written approval of UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch. Revision History Rev. Issue Date Revisions Revised By V0 09/06/2022 Initial Issue REPORT NO.: 4790513910-1 Page 3 of 38 UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch FORM NO.: 10-SL-F0057 This report shall not be reproduced except in full, without the written approval of UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch. Summary of Test Results Clause Test Items FCC Rules Test Results 1 Transmitter Timeout CFR 47 FCC §15.231 (a) (1) Pass 2 20 dB Bandwidth and 99 % Occupied Bandwidth CFR 47 FCC §15.231 (c) Pass 3 Radiated Emission CFR 47 FCC §15.231 (b)(e) CFR 47 FCC §15.205 and §15.209 Pass 4 Conducted Emission Test for AC Power Port CFR 47 FCC §15.207 Pass 5 Antenna Requirement CFR 47 FCC §15.203 Pass Note 1: This test report is only published to and used by the applicant, and it is not for evidence purpose in China. Note 2: The measurement result for the sample received is <Pass> according to < CFR 47 FCC PART 15 SUBPART C and > when <Accuracy Method> decision rule is applied. REPORT NO.: 4790513910-1 Page 4 of 38 UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch FORM NO.: 10-SL-F0057 This report shall not be reproduced except in full, without the written approval of UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch. TABLE OF CONTENTS 1. ATTESTATION OF TEST RESULTS ................................................................................. 5 2. TEST METHODOLOGY ..................................................................................................... 6 3. FACILITIES AND ACCREDITATION ................................................................................. 6 4. CALIBRATION AND UNCERTAINTY ................................................................................ 7 4.1. MEASURING INSTRUMENT CALIBRATION .............................................................. 7 4.2. MEASUREMENT UNCERTAINTY ............................................................................... 7 5. EQUIPMENT UNDER TEST ............................................................................................... 8 5.1. DESCRIPTION OF EUT .............................................................................................. 8 5.2. MAXIMUM FIELD STRENGTH .................................................................................... 8 5.3. DESCRIPTION OF AVAILABLE ANTENNAS .............................................................. 8 5.4. TEST ENVIRONMENT ................................................................................................ 8 5.5. DESCRIPTION OF TEST SETUP ................................................................................ 9 5.6. MEASURING INSTRUMENT AND SOFTWARE USED ..............................................10 6. ANTENNA PORT TEST RESULTS ...................................................................................11 6.1. ON TIME AND DUTY CYCLE .....................................................................................11 6.2. TRANSMITTER TIMEOUT .........................................................................................13 6.3. 20 dB BANDWIDTH AND 99 % OCCUPIED BANDWIDTH ........................................16 6.4. RADIATED TEST RESULTS ......................................................................................19 6.4.1. FIELD STRENGTH AND SPURIOUS EMISSIONS BELOW 1 GHz AND ABOVE 30 MHz 26 6.4.2. SPURIOUS EMISSIONS ABOVE 1 GHz .............................................................30 6.4.3. SPURIOUS EMISSIONS BELOW 30 MHz ..........................................................32 7. AC POWER LINE CONDUCTED EMISSIONS ..................................................................35 8. ANTENNA REQUIREMENTS ............................................................................................38 REPORT NO.: 4790513910-1 Page 5 of 38 UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch FORM NO.: 10-SL-F0057 This report shall not be reproduced except in full, without the written approval of UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch. 1. ATTESTATION OF TEST RESULTS Applicant Information Company Name: QC Manufacturing Inc. Address: 26040 Ynez rd Temecula California 92591 United States Manufacturer Information Company Name: Shenzhen Asia Bright Co., Ltd Address: Building E, North Area No.2 of Shangxue Science Park, Bantian, Shenzhen, China EUT Information EUT Name: RF Hub Model: IT-RFHUB-01 Sample Received Date: August 18, 2022 Sample Status: Normal Sample ID: 4265987 Date of Tested: August 18, 2022 ~ September 06, 2022 APPLICABLE STANDARDS STANDARD TEST RESULTS CFR 47 FCC PART 15 SUBPART C PASS Prepared By: Checked By: Kebo Zhang Denny Hu…

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Appendix II Setup Photographs RADIATED RF MEASUREMENT SETUP (ABOVE 1 GHz) MEASUREMENT POSITION MEASUREMENT POSITION (X axis) MEASUREMENT POSITION (Y axis) MEASUREMENT POSITION (Z axis) RADIATED RF MEASUREMENT SETUP (30MHz~1GHz) RADIATED RF MEASUREMENT SETUP (Below 30MHz) POWERLINE CONDUCTED EMISSIONS MEASUREMENT SETUP