2AOIFT18UTWThermostat

T18UTW-7-WIFI T18UTW-7-WIFI INSTALLATION MANUAL www.saswell.com INSTALLATION MANUAL SASWELL CONTROL Contents 01 THERMOSTAT INSTALLATION Install your thermostat (with C wire) 06 Install your thermostat (without C wire) 16 AndroidIOS Accessory 34 Start your install 05 Link APP 43 02 THERMOSTAT INSTALLATION Fasten the mounting back plate and mounting plate to the mounting box and tighten the screws After fastening and installing the back plate and the mounting plate, snap into the display part The installation is complete 01 STEP1 Power off your Heating , Ventilation , and Air Conditioning(HVAC) system by using the master switch or circuit breaker box. This is important for your safety. STEP2 Confirm your system is off by turning on your heat(during winter)or your AC(during summer).Wait a few minutes-you should not feel air coming from your vents. STEP3 Remove your old thermostat cover from the wall. 1.Look for your master switch or circuit breaker box in the basement,attic,utility close,or behind a wall panel near the thermostat. 2.If you have a boiler,check to see that the main flame is extinguished. 3.Many thermostat simply pop off or unclip from the base,while others may have screws that you will need to remove. TIPS: CHECKPOINT:COMPATIBILITY √ Does your old thermostat’s backplate have any of these indicators? L1L2 WARNING HIGH VOLTAGE 110VAC OR 120VAC OR 240VAC YES Sadly,you might not be compatible. you can double-check at compatibility. NO Great,please continue to the NEXT PAGE. STEP4 Take a picture of the wires connected to the terminals of your old thermostat. you may need to reference this photo later on. 0403 CHECKPOINT:C WIRE √ Do your have a C wire connected to you old thermostat ? YES Great,please continue to the NEXT PAGE. NO Go to install with a ECM. RCRHGYWCRCRHGYWC TIPS: The wiring on your old thermostat may look different, just check to see if there’s a C wire. 0605 FCC Radiation Exposure Statement: This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 20cm between the radiator & your body. FCC Warning 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. NOTE 1: 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. NOTE 2: Any changes or modifications to this unit not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. FCC ID:2AOIFT18UTW 0708 STEP5 Carefully disconnect and label the wires from your old thermostat one at a time, using the labels provided. RCRHGYWC TIPS: If you have a jumper between RC, RH, OR R, leave it alone. Only label the wires that run from your wall into a terminal block. R C C G Y 1 W 1 W 1 Install your thermostat with a C wire If you have a C wire, it will power your thermostat. you won’t need the Electric Control Module included in the box. TIPS: TO install accessories(humidifier,dehumidifier or ventilator)please refer to the wiring diagrams at wiring. 0910 STEP7 Decide if you want to use the Base platewith your thermostat. The Base plateis useful if you want to hide marks or holes left on the wall by your old thermostat. If using the Base plate,align the mounting holes on the Base plateand backplate and press them into place together. C R C R H W 1 W 2 A C + A C - R T + R T - S G Y 1 Y 2 O / B Base plate Backplate ( Please fill the exposed hole on the Base plate with the rubber plug we provided. ) STEP6 Unscrew the mounting plate of your old thermostat to remove it from the wall. RCRHGYWC R C C G Y 1 W 1 W 1 ！ WARNING: Be careful, as some thermostat may contain mercury. Recycle your old thermostat safely with your local hazardous waste facility. CHECKPOINT: INSERT YOUR R WIRE(S) √ Do your have more than one R wire? (That includes R,RC,and RH) YES Insert your wires: R or RC → RC RH → RH NO Insert your single wire: R,RC,or RH→ RC 11 C RC RH W1 W2 AC+ AC- RT+ RT- S G Y1 Y2 O/B C G Y 1 W 1 R H C RC RH W1 W2 AC+ AC- RT+ RT- S G Y1 Y2 O/B R C C G Y 1 W 1 R C R H 12 STEP8 Pull the wires through the hole in the middle of the backplate and then attach the backplate to the wall using the drywall anchors and screws provided. TIPS: Use a 3/16'' drill a hole for the drywall anchors. C RC RH W1 W2 AC+ AC- RT+ RT- S G Y1 Y2 O/B R C C G Y 1 W 1 ( Please use the rubber plug we provided to cover this screw) 14 STEP11 Gently press your thermostat into the backplate until it “clicks” into place. TIPS: If the thermostat “rocks”or is not flush with the wall,be sure the excess wires are pushed all the way into the wall. 13 C RC RH W1 W2 AC+ AC- RT+ RT- S G Y1 Y2 O/B R C C G Y 1 STEP9 Insert your remaining wires into the side (not the front) of their corresponding terminal bloc…

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Model: T18UTW-7-WIFI Report No.: WTX20X01002694W-1/2 FCC Part 15.247 EXHIBIT 2 - EUT EXTERNAL PHOTOGRAPHS EUT View 1 EUT View 2 Model: T18UTW-7-WIFI Report No.: WTX20X01002694W-1/2 FCC Part 15.247 EUT View 3 EUT View 4 Model: T18UTW-7-WIFI Report No.: WTX20X01002694W-1/2 FCC Part 15.247 EUT View 5 EUT View 6 Model: T18UTW-7-WIFI Report No.: WTX20X01002694W-1/2 FCC Part 15.247 EUT View 7

Model: T18UTW-7-WIFI Report No.: WTX20X01002694W-1/2 FCC Part 15.247 EXHIBIT 1 - PRODUCT LABELING Proposed FCC ID Label Format Specifications: Text is black in color and justified. Labels are printed in indelible ink on permanent adhesive silk-screened onto the EUT or shall be affixed at a conspicuous location on the EUT. Proposed Label Location on EUT FCC ID Label Location

Model: T18UTW-7-WIFI Report No.: WTX20X01002694W-1/2 FCC Part 15.247 EXHIBIT 3 - EUT INTERNAL PHOTOGRAPHS EUT Housing and Board View 1 Solder Board-Component View 1 Model: T18UTW-7-WIFI Report No.: WTX20X01002694W-1/2 FCC Part 15.247 Solder Board-Component View 2 Solder Board-Component View 3 Model: T18UTW-7-WIFI Report No.: WTX20X01002694W-1/2 FCC Part 15.247 Solder Board-Component View 4 Solder Board-Component View 5 Model: T18UTW-7-WIFI Report No.: WTX20X01002694W-1/2 FCC Part 15.247 Solder Board-Component View 6 Solder Board-Component View 7 Model: T18UTW-7-WIFI Report No.: WTX20X01002694W-1/2 FCC Part 15.247 Solder Board-Component View 8 Solder Board-Component View 9 Model: T18UTW-7-WIFI Report No.: WTX20X01002694W-1/2 FCC Part 15.247 Solder Board-Component View 10 Solder Board-Component View 11 Model: T18UTW-7-WIFI Report No.: WTX20X01002694W-1/2 FCC Part 15.247 Antenna View WIFI Antenna. 915.75MHz Antenna.

1. MAXIMUM PERMISSIBLE EXPOSURE (MPE) 1.1 General Information Client Information Applicant: SHENZHEN SASWELL TECHNOLOGY INC. Address of applicant: Room 1601-1602 ,Floor16,Building4,Tianan Cloud Park, No.2018 Xuegang Road,Bantian Street,Longgang District, Shenzhen, China Manufacturer: SHENZHEN SASWELL TECHNOLOGY INC. Address of manufacturer: Room 1601-1602 ,Floor16,Building4,Tianan Cloud Park, No.2018 Xuegang Road,Bantian Street,Longgang District, Shenzhen, China General Description of EUT: Product Name: Thermostat Trade Name: / Model No.: T18UTW-7-WIFI Adding Model(s): / FCC ID: 2AOIFT18UTW Rated Voltage: DC 24V Technical Characteristics of EUT Frequency Range: 915.75MHz RF Output Power: 10.72dBm (Conducted) Type of Modulation: FSK Quantity of Channels: 1 Type of Antenna: Integral Antenna Antenna Gain: 0.01dBi Wi-Fi Support Standards: 802.11b, 802.11g, 802.11n Frequency Range: 2412-2462MHz for 802.11b/g/n-HT20 2422-2452MHz for 802.11n-HT40 RF Output Power: 14.63dBm (Conducted) Type of Modulation: DBPSK,BPSK,DQPSK,QPSK,16QAM,64QAM Data Rate: 1-11Mbps, 6-54Mbps, up to 150Mbps Quantity of Channels: 11 for 802.11b/g/n-HT20 7 for 802.11n-HT40 Channel Separation: 5MHz Type of Antenna: Integral Antenna Antenna Gain: 3.0dBi 1.2 Standard Applicable According to §1.1307(b)(1) and KDB 447498 D01 General RF Exposure Guidance v06, system operating under the provisions of this section shall be operating in a manner that the public is not exposed to radio frequency energy level in excess limit for maximum permissible exposure. (a) Limits for Occupational / Controlled Exposure Frequency range (MHz) Electric Field Strength (E) (V/m) Magnetic Field Strength (H) (A/m) Power Density (S) (mW/cm 2 ) Averaging Times | E | 2 , | H | 2 or S (minutes) 0.3-3.0 614 1.63 (100)* 6 3.0-30 1842/f 4.89/f (900/f)* 6 30-300 61.4 0.163 1.0 6 300-1500 / / F/300 6 1500-100000 / / 5 6 (b) Limits for General Population / Uncontrolled Exposure Frequency range (MHz) Electric Field Strength (E) (V/m) Magnetic Field Strength (H) (A/m) Power Density (S) (mW/cm 2 ) Averaging Times | E | 2 , | H | 2 or S (minutes) 0.3-1.34 614 1.63 (100)* 30 1.34-30 824/f 2.19/f (180/f)* 30 30-300 27.5 0.073 0.2 30 300-1500 / / F/1500 30 1500-100000 / / 1 30 Note: f = frequency in MHz: * = Plane-wave equivalents power density 1.3 MPE Calculation Method S = (30*P*G) / (377*R 2 ) S = power density (in appropriate units, e.g., mw/cm 2 ) P = power input to the antenna (in appropriate units, e.g., mw) G = power gain of the antenna in the direction of interest relative to an isotropic radiator, the power gain factor is normally numeric gain. R = distance to the center of radiation of the antenna (in appropriate units, e.g., cm) 1.4 MPE Calculation Result Product is a fixed use device Wi-Fi: Maximum Tune-Up output power: 15(dBm) Maximum peak output power at antenna input terminal: 31.62(mW) Prediction distance: >20(cm) Prediction frequency: 2437 (MHz) Antenna gain:3.0(dBi) Directional gain (numeric gain): 2 The worst case is power density at prediction frequency at 20cm: 0.013(mw/cm 2 ) MPE limit for general population exposure at prediction frequency: 1 (mw/cm 2 ) RF 915.75MHz Maximum Tune-Up output power: 11(dBm) Maximum peak output power at antenna input terminal: 12.59(mW) Prediction distance: >20(cm) Prediction frequency: 915.75 (MHz) Antenna gain:0.01(dBi) Directional gain (numeric gain): 1 The worst case is power density at prediction frequency at 20cm: 0.0025(mw/cm 2 ) MPE limit for general population exposure at prediction frequency: 1 (mw/cm 2 ) All the power density is less than the MPE limit Result: Pass

Model: T18UTW-7-WIFI Report No.: WTX20X01002694W-2 Page 1 of 30 FCC Part 15.247 FCC Part 15C Measurement and Test Report For SHENZHEN SASWELL TECHNOLOGY INC. Room 1601-1602 ,Floor16,Building4,Tianan Cloud Park,No.2018 Xuegang Road,Bantian Street,Longgang District,Shenzhen, China FCC ID: 2AOIFT18UTW FCC Rule(s): FCC Part 15.247 Product Description: Thermostat Tested Model: T18UTW-7-WIFI Report No.: WTX20X01002694W-2 Sample Receipt Date: Jan.13, 2020 Tested Date: Jan.13, 2020 to Mar.19, 2020 Issued Date: Mar.19, 2020 Tested By: Jason Su/ Engineer Reviewed By: Lion Cai / RF Manager Approved & Authorized By: Silin Chen / Manager Prepared By: Shenzhen SEM Test Technology Co., Ltd. 1/F, Building A, Hongwei Industrial Park, Liuxian 2nd Road, Bao'an District, Shenzhen, P.R.C.（518101） Tel.: +86-755-33663308 Fax.: +86-755-33663309 Website: www.semtest.com.cn Note: This test report is limited to the above client company and the product model only. It may not be duplicated without prior permitted by Shenzhen SEM Test Technology Co., Ltd. Model: T18UTW-7-WIFI Report No.: WTX20X01002694W-2 Page 2 of 30 FCC Part 15.247 TABLE OF CONTENTS 1. GENERAL INFORMATION ................................................................................................................................... 4 1.1 PRODUCT DESCRIPTION FOR EQUIPMENT UNDER TEST (EUT) ............................................................................... 4 1.2 TEST STANDARDS ................................................................................................................................................... 5 1.3 TEST METHODOLOGY ............................................................................................................................................. 5 1.4 TEST FACILITY ....................................................................................................................................................... 5 1.5 EUT SETUP AND TEST MODE ................................................................................................................................. 6 1.6 MEASUREMENT UNCERTAINTY .............................................................................................................................. 7 1.7 TEST EQUIPMENT LIST AND DETAILS ..................................................................................................................... 8 2. SUMMARY OF TEST RESULTS ......................................................................................................................... 10 3. RF EXPOSURE ....................................................................................................................................................... 11 3.1 STANDARD APPLICABLE ....................................................................................................................................... 11 3.2 TEST RESULT........................................................................................................................................................ 11 4. ANTENNA REQUIREMENT ................................................................................................................................ 12 4.1 STANDARD APPLICABLE ....................................................................................................................................... 12 4.2 EVALUATION INFORMATION ................................................................................................................................ 12 5. POWER SPECTRAL DENSITY ........................................................................................................................... 13 5.1 STANDARD APPLICABLE ....................................................................................................................................... 13 5.2 TEST PROCEDURE ................................................................................................................................................. 13 5.3 SUMMARY OF TEST RESULTS/PLOTS .................................................................................................................... 13 6. DTS BANDWIDTH ................................................................................................................................................. 15 6.1 STANDARD APPLICABLE ....................................................................................................................................... 15 6.2 TEST PROCEDURE ................................................................................................................................................. 15 6.3 SUMMARY OF TEST RESULTS/PLOTS .................................................................................................................... 15 7. RF OUTPUT POWER ............................................................................................................................................ 16 7.1 STANDARD APPLICABLE ....................................................................................................................................... 16 7.2 TEST PROCEDURE ................................................................................................................................................. 16 7.3 SUMMARY OF TEST RESULTS/PLOTS .................................................................................................................... 16 8. FIELD STRENGTH OF SPURIOUS EMISSIONS ............................................................................................. 18 8.1 STANDARD APPLICABLE ....................................................................................................................................... 18 8.2 TEST PROCEDURE ................................................................................................................................................. 18 8.3 CORRECTED AMPLITUDE & MARGIN CALCULATION ....…

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Model: T18UTW-7-WIFI Report No.: WTX20X01002694W-1 Page 1 of 62 FCC Part 15.247 FCC Part 15C Measurement and Test Report For SHENZHEN SASWELL TECHNOLOGY INC. Room 1601-1602 ,Floor16,Building4,Tianan Cloud Park,No.2018 Xuegang Road,Bantian Street,Longgang District,Shenzhen, China FCC ID: 2AOIFT18UTW FCC Rule(s): FCC Part 15.247 Product Description: Thermostat Tested Model: T18UTW-7-WIFI Report No.: WTX20X01002694W-1 Sample Receipt Date: Jan.13, 2020 Tested Date: Jan.13, 2020 to Mar.19, 2020 Issued Date: Mar.19, 2020 Tested By: Jason Su/ Engineer Reviewed By: Lion Cai / RF Manager Approved & Authorized By: Silin Chen / Manager Prepared By: Shenzhen SEM Test Technology Co., Ltd. 1/F, Building A, Hongwei Industrial Park, Liuxian 2nd Road, Bao'an District, Shenzhen, P.R.C.（518101） Tel.: +86-755-33663308 Fax.: +86-755-33663309 Website: www.semtest.com.cn Note: This test report is limited to the above client company and the product model only. It may not be duplicated without prior permitted by Shenzhen SEM Test Technology Co., Ltd. Model: T18UTW-7-WIFI Report No.: WTX20X01002694W-1 Page 2 of 62 FCC Part 15.247 TABLE OF CONTENTS 1. GENERAL INFORMATION ................................................................................................................................... 4 1.1 PRODUCT DESCRIPTION FOR EQUIPMENT UNDER TEST (EUT) ............................................................................... 4 1.2 TEST STANDARDS ................................................................................................................................................... 5 1.3 TEST METHODOLOGY ............................................................................................................................................. 5 1.4 TEST FACILITY ....................................................................................................................................................... 5 1.5 EUT SETUP AND TEST MODE ................................................................................................................................. 6 1.6 MEASUREMENT UNCERTAINTY .............................................................................................................................. 7 1.7 TEST EQUIPMENT LIST AND DETAILS ..................................................................................................................... 8 2. SUMMARY OF TEST RESULTS ......................................................................................................................... 10 3. RF EXPOSURE ....................................................................................................................................................... 11 3.1 STANDARD APPLICABLE ....................................................................................................................................... 11 3.2 TEST RESULT........................................................................................................................................................ 11 4. ANTENNA REQUIREMENT ................................................................................................................................ 12 4.1 STANDARD APPLICABLE ....................................................................................................................................... 12 4.2 EVALUATION INFORMATION ................................................................................................................................ 12 5. POWER SPECTRAL DENSITY ........................................................................................................................... 13 5.1 STANDARD APPLICABLE ....................................................................................................................................... 13 5.2 TEST PROCEDURE ................................................................................................................................................. 13 5.3 SUMMARY OF TEST RESULTS/PLOTS .................................................................................................................... 13 6. DTS BANDWIDTH ................................................................................................................................................. 18 6.1 STANDARD APPLICABLE ....................................................................................................................................... 18 6.2 TEST PROCEDURE ................................................................................................................................................. 18 6.3 SUMMARY OF TEST RESULTS/PLOTS .................................................................................................................... 18 7. RF OUTPUT POWER ............................................................................................................................................ 23 7.1 STANDARD APPLICABLE ....................................................................................................................................... 23 7.2 TEST PROCEDURE ................................................................................................................................................. 23 7.3 SUMMARY OF TEST RESULTS/PLOTS .................................................................................................................... 23 8. FIELD STRENGTH OF SPURIOUS EMISSIONS ............................................................................................. 29 8.1 STANDARD APPLICABLE ....................................................................................................................................... 29 8.2 TEST PROCEDURE ................................................................................................................................................. 29 8.3 CORRECTED AMPLITUDE & MARGIN CALCULATION ....…

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Model: T18UTW-7-WIFI Report No.: WTX20X01002694W-1/2 FCC Part 15.247 EXHIBIT 4 - TEST SETUP PHOTOGRAPHS Conducted Emission Test Setup Radiation Emission Test Setup (Below 30MHz) Model: T18UTW-7-WIFI Report No.: WTX20X01002694W-1/2 FCC Part 15.247 Radiation Emission Test Setup (30MHz to 1GHz) Radiation Emission Test Setup (1GHz to 18GHz) Model: T18UTW-7-WIFI Report No.: WTX20X01002694W-1/2 FCC Part 15.247 Radiation Emission Test Setup (Above 18GHz)