Energy Recovery Ventilation (ERV) [RHF-***EE] SAMSUNG Electronics SE Group Contents Ⅰ. How it works? Ⅱ. Key Technology Ⅲ. Controls & Solution Ⅳ. Case Study V . ERV Line up Ⅰ. How it works? It provides a controlled way of ventilating a home while minimizing energy loss. ■ In The Winter, It reduces the costs of heating ventilated air by transferring heat from the warm inside air being exhausted to the fresh (but cold) supply air ■ In the summer, the inside air cools the warmer supply air to reduce ventilation cooling costs Polluted & High Humid Air Polluted Cold Air Element Heat Heat Heat Heat Moisture Indoor Moisture Outdoor Element Moisture Heat Moisture Moisture Heat Heat Heat Heat Moisture Filtered & Fresh Air Element Cold & Dry Air Ⅰ. How it works? Optimized Design of Air Flow High Efficiency Element Constant Air Volume by BLDC Fan Motor Cellulose Exhaust Air Rectangular Type Hexagonal Type Outdoor Air Synergy Effect Return Air Diamond Type Optimized Design High Efficiency Compact Size Patented in SAMSUNG Supply Air Pre-filter High Efficiency Pre-filter The ratio of dust collection : over 72% (based on ASHRAE Std 52.1) Samsung Daikin High Efficiency Pre-filter Non-woven fabric Spec. Filter media Frame Hot melt Media PP + PET Spun bond Composition PP + PET Nonwoven Weight 120g/㎡ ± 10% Material PET Weight 260g/㎡ ± 20% Material Nylon Weight 139 ~ 149 ℃ Summary Differentiation 1. High Energy Efficiency 2. Environmentally Friendly Products 3. Compact Design & Flexibility Installation 4. Intelligent Operating System 5. Controls & Solution 6. Others Ⅱ. Key Technology 1 High Efficiency □ Energy Savings by High Efficiency BLDC Fan Motor SAMSUNG Model Competitor (Basic) Current Old Model RHF025EE (250 CMH) 130W 115W - RHF035EE (350 CMH) 195W 115W - RHF050EE (500 CMH) 260W 175W 210W RHF080EE (800 CMH) 450W 330W - RHF100EE (1000 CMH) 580W 450W - 48.5% Basic 20.0% Current Competitor $120/Year Saving by 14% Operating Cost Power Consumption (W) 500CMH Basic Current Ⅱ. Key Technology □ BLDC Fan Motor Based on 500CMH Comparison Image of Fan Motor CAE of Fan Motor Optimized Factor Items Samsung Basic Motor Type BLDC AC Induction Efficiency 80% 40% Noise - High Frequency Outer Size Φ88 Φ120 Graph Ⅱ. Key Technology Environmentally Friendly Material applied (RoHs) 2 Trend RoHS Characteristic □ World trend urging maker to use environmentally friendly material from the design phase □ Requesting document verified by third party Regulation More strict regulation for protecting earth - USA : Proposition 65(California Law) - EU : RoHS, REACH, EuP ... - Korea : Green Mark …. Result by RoHS 27% 48% 40% Before After Recycling Before After Energy Saving Before After Improvement by RoHs Ⅱ. Key Technology 3 Top Class Compact Size in the World & Flexibility in Installation Compact and Slim in Size by High Efficiency Diamond Element 350 600 Horizontal Position with Upside Down Exaust Air Room Air Outside Air Supply Air MODEL NO. RHF-025 Space for servicing Supply Air Reversed Installation 270 MODEL NO. RHF-035 ~ 050 340 MODEL NO. RHF-080 ~ 100 Room Air Ⅱ. Key Technology 4 Intelligent Operating System on Any Operation Condition □ Wide Operation up to -15℃ How to Operate Refer to next page Ambient Temp of Unit(℃) A : Room Temp (In) B : Outdoor Temp C : Room Temp (Out) B’ : Pre-Heated Outdoor Temp C’ : Heated Room Temp Outdoor Temp(℃) Operation Characteristics Pre-Heated On/Off operation Absolute Humidity ♣ No reduction in air flow resulting from moisture ♣ No moisture on element Time Dry Temp(℃) Ⅱ. Key Technology □ Operation Pattern based on outdoor temperature System is capable of self adjustment depending on outdoor temperature to prevent it from being iced on element Outdoor Temp Operation Type Intake Discharge Above 0℃ Normal Operation On On 0 ℃ > TOA >-5 ℃ “A” Type Cyclic Operation -5 ℃ > TOA >-10 ℃ “B” Type Cyclic Operation Refer to below operation pattern -10 ℃ > TOA >-15 ℃ Off On Below -15 ℃ Off Off ‘A’ Type 80min Both Intake and Discharge On ‘B’ Type 50min Both Intake and Discharge On 10min 80min Remarks Repeated on a regular time basis 10min Only Discharge On Both Intake and Discharge On Only Discharge On 10min 50min 10min Only Discharge On Both Intake and Discharge On Only Discharge On Ⅱ. Key Technology □ Self Adjustable Fan RPM according to Static Pressure ■ Constant RPM : Current increases as static pressure become lower ■ Constant Air Volume (Applied to ERV) :Current decreases even though static pressure become lower :Fan RPM is adjusted according to tables calculated by current and static pressure from test When static pressure becomes down, constant PRM type tends to get more air volume ; resulting in bigger noise and more power consumption than designed See how system works at next page Constant RPM Heat Exchange Rate(%) ESP(mmAq) How to operate Turbo High Low Turbo Duct Length High Low Air Volume(CMH) Duct Length Constant Air Volume Turbo ESP(mmAq) High Turbo Low High Low Duct Length Duct Length Air Volume(CMH) Air Volume(CMH) Heat Exchange Rate(%) Air Volume(CMH) Ⅱ. Key Technology □ Energy Saving Operation (Auto Mode) Case 1) ERV in Summer & Winter Damper( Closed) It automatically changes operation mode depending on temperature EA difference between indoor & outdoor to save energy RA OA SA Element Extreme Climates (Winter & Summer) When temperature and humidity level difference between indoor & outdoor is big, it operates as ERV Case 2) Conventional Ventilation in Spring & Fall Damper (Open) RA EA Mild Climates (Spring & Fall) When temperature and humidity level difference between indoor & outdoor is small, it operates as conventional ventilation fan OA SA Element Normal Energy Saving Ⅱ. Key Technology □ Operation Condition Temp Difference Between Indoor and Outdoor Room Operation Type Damper Remarks △T>±5℃ Normal operation as a ERV Close Case1 △T<±5℃ Operation as a convention ventilation fan Open Case2 △T : temp difference between indoor and outdoor room □ How To Set PCB Option Code Ⅱ. Key Technology □ Automatic Refresh System ( CO2 Sensor, Optional) CO2 Fresh Air CO2 CO2 Note 1. K9 dip switch should be off position 2. In general, above 1000ppm is regarded as pollution ☞ ERV is automatically operated to give fresh air into room by sensing CO2 Level ☞ Turbo-High-Low-RPM ☞ Optional Fan Speed depending on Co2 Density □ CO2 1200ppm ↑ Turbo RPM □ CO2 Density 800ppm ↑ : High RPM □ CO2 Density 800ppm ↓ : Low RPM Ⅱ. Key Technology 5 Test Result □ Effect of using ERV in real living condition Monitoring the density of CO2 ERV On 05:30 Start Sleep 00:46 Occupied ERV Off 11:15 Density 19:00 22:40 05:30 Time Ⅱ. Key Technology Concept of CO2 sensor CO2의 농도에 따라 적외선(IR)을 흡수하는 강도가 다른 원리를 활용한 방법 Ⅱ. Key Technology □ Life Test Definition of Living Condition Definition of Life Test No failure with 5units at acceleration test of 1100hr guarante10year(B10 Life) with confidence level of 60% Optimized Design Caculation Ⅱ. Key Technology □ How it was designed & certified? ERV ☺ Energy Saving - Top Class in the world - Great Energy Saving ☺ User Friendly Design & Easy Application ☺ Certified by recognized third party Performance Korea Test Laboratory Friend of Industry Technology Information Construction Safety Management Association Reliability Korea Electric Testing Institute SAMSUNG Test Lab recognized by EU Co-Research KS JIS, IEC Ventilation Association University IAQ Community How to clean the heat exchanger Ⅲ. Controls & Solution 1 PCB Layout 2 Function switch & display 3 Option switch & setting 4 Wired remote controller 5 Centralized controller 6 DVM interlock 7 External control 8 Additional operation Ⅲ. Controls & Solution ※ Controls and Accessories for ERV system Solution Model name PC Software (S-NET III) MST-P3P DMS MIM-D00 - Centralized controller MCM-A202 For Connecting S-NET Ⅲ & DMS Interface Module MIM-B13 For Connecting S-NET Ⅲ & DMS Wired Remote Controller MWR-VH01 - CO2 Sensor MOS-C1 - ※ Above are optional parts Description Ⅲ. Controls & Solution 1. PCB Layout (1) ① ② ③④ ⑤ No ⑥ 1 Function key 2 DISPLAY 3 CO2 Sensor Optional 4 Temperature Sensor Indoor & Outdoor ⑨ 5 Damper Switch ERV Itself ⑩ 6 External Control On/Off Control ⑪ 7 Wired Remote controller Communication F3, F4 8 Wired Remote controller Power (12V) V1, V2 9 Communication between ERVs F1, F2 or Transmitter ⑧ ⑭ Remarks See “2. Switch & display” ⑦ ⑮ Item ⑫ ⑬ 10 Operation & Error Check Ⅲ. Controls & Solution 1. PCB Layout (2) ① ② ③④ ⑤ No ⑥ Item Remarks 11 Damper Motor 12 External Contact Device Humidifier HEATER DAMPER 13 Power 220V / 50Hz (L,N) 14 Option switch See “3. option switch & settin” 15 Address switch See “5. Centralized controller ⑦ ⑧ ⑨ ⑮ ⑩ ⑭ ⑪ ⑫ ⑬ Ⅲ. Controls & Solution 2. Function switch & Display Function switch Switch No. Press time Function K1 1 Heat Exchange Trial Operation K2 1 Air Volume Control Trial Operation K3 1 Reset K1 : K4 1 Data view mode Description To check whether the product operates properly after the installation. To adjust fan speed for constant air volume for 20 min To reset ERV operation To check the specific operation data - Exhaust Air FAN RPM - Supply Air FAN RPM - Indoor Temperature - Outdoor Temperature -CO2 Density - Installed unit number (See mmm Page) Ⅲ. Controls & Solution 2. Function switch & Display Display - 7-Segment Display shows the Communication status and Specific operation data (Data view mode) SEG1 SEG2 SEG3 SEG4 Numbers and Alphabets on PCB Display 1) Communication status display (Display normally) SEG1 : If the ERV wired remote control is correctly connected, “U” flickers. SEG2 : If MASTER is set, “M” appears. If SLAVE is set, “S” appears. SEG3 : If MASTER is set, MAIN ADDRESS of transmitting SLAVE appears. If SLAVE is set, its MAIN ADDRESS appears. SEG4 : If MASTER is set, MAIN ADDRESS of receiving SLAVE spears. If SLAVE is set, its RMC ADDRESS appears. <Example> Wired remote controller connected Slave set Main address : 0 RMC address : 8 Ⅲ. Controls & Solution 2. Function switch & Display Display 2) Data view mode A variety of data appear when pressing K4 (① Exhaust Air FAN RPM, ② Supply Air FAN RPM, ③ Indoor Temperature, ④ Outdoor Temperature, ⑤ CO2 Density, ⑥ Installed Unit Number) <Example> Ⅲ. Controls & Solution 3. Option switch & setting ※ K5, K16 have no function Function K6 K8 Cenralized controller K10 External CO2 sensor Filter replacement alarm K11 K12 External control priority K13 External humidifier K14 K15 Not use centralized controller Off Use centralized controller On Set ERV as “Slave” when ERV communicate with other ERVs in COM(F1/F2) line Off Set ERV as “Master” when ERV communicate with other ERVs in COM(F1/F2) line On Not use External CO2 sensor Off Use External CO2 sensor On Display filter replacement alarm after 2000 hours operation time Off Display filter replacement alarm after 1000 hours operation time Master / Slave K5 K6 K7 K8 K9 K10 K11 K12 K13 K14 K15 K16 K9 On External heater External damper Set control priority between External control and Wired remote controller (See left table) On Not use External humidifier Off Use External humidifier (ERV On External humidifier On) On Not use External heater Off Use External heater (ERV On External heater) On Not use External damper Off Use External damper (ERV On External damper) Ⅲ. Controls & Solution 4. Wired remote controller : Connection MWR-VH01 Communication line (COM2 : F3 / F4) Power line 12V (V1 / V2) Ⅲ. Controls & Solution 4. Wired remote controller : Wiring example Individual control 1 Wired remote controller : 1 ERV Power DC 12V COM2 (F3/F4) Control & Display Connected ERV Group control 1 Wired remote controller : Max 16 ERVs Power DC 12V COM2 (F3/F4) ※The ERV wired remote control controls ERVs which are connected to the COM2 communication cable only. Control & Display Control : Control all connected ERVs at once (as one group) Display : Display one (random) of the connected ERVs status Ⅲ. Controls & Solution 4. Wired remote controller : Wiring example 2-Remote controller 2 Wired remote controller : 1 ERV Power DC 12V COM2 (F3/F4) Master Slave Control & Display Connected ERV 2-Remote controller 2 Wired remote controller : Max 16 ERVs Master Power DC 12V COM2 (F3/F4) ※The ERV wired remote control controls ERVs which are connected to the COM2 communication cable only. Control & Display Control : Control all connected ERVs at once (as one group) Display : 2 Remote controller display same one (random) of the connected ERVs Ⅲ. Controls & Solution 5. Centralized controller : ERV switch setting ▶ To control more than one ERV through a interface module and a centralized controller, one of ERVs must be set as ‘Master’ ▶ K6 switch on the ERV PCB must be set to the OFF position to support centralized control. ▶ How to set ERV as Master : One of ERVs in COM1 line, set K8 OFF ◈ Main : Used for communication between ERVs installed (Each ERV in same COM1 line must have different Main address) ◈ RMC : Used for centralized controllers (This number is correspond with Centralized controller button number) ◈ K6 ‘OFF’ means ERV is controlled by Centralized controller ◈ K8 ‘OFF’ means that this unit works as a MASTER K6 K8 Master ※ MASTER must be only 1 unit in same COM1 line Main : 0 RMC : 0 K6 : Off K8 : Off COM1 (F1/F2) Main : 1 RMC : 1 K6 : Off K8 : On Main : 2 RMC : 2 K6 : Off K8 : On Main : 3 RMC : 3 K6 : Off K8 : On Ⅲ. Controls & Solution 5. Centralized controller : Interface module connection ※ Do not use Power line : DC 12V (V1/V2) MIM-B13 ※ All switches must be ON (default off) Communication line (COM1 : F1/F2) Install MIM-B!3 here MAX 16 ERVs can be connected Pathway for wire Earth PBA Ⅲ. Controls & Solution 5. Centralized controller MCM-A202 MIM-B13 R1/R2 MAX 16 ERVs can be connected to 1 Interface module F1/F2 (COM1) DC 12V MASTER Main : 0 RMC : 0 K6,8 : OFF K5 K6 K7 K8 MASTER MAX 16 Interface Modules & MAX 256 ERVs Main : 1 RMC : 1 K6 : OFF K8 : ON Main : 2 RMC : 2 K6 : OFF K8 : ON Main : 1 RMC : 3 K6 : OFF K8 : ON Main : 2 RMC : 3 K6 : OFF K8 : ON DC 12V Main : 0 RMC : 3 K6,8 : OFF ※ RMC address is used to control ERV by centralized controller Ex, ERV having RMC address of 3 is operated by centralized controller of button 3 Ⅲ. Controls & Solution 5. Centralized controller + Wired remote controller MCM-A202 MIM-B13 R1/R2 Main : 1 RMC : 1 K6 : OFF K8 : ON F1/F2 (COM1) DC 12V Main : 2 RMC : 2 K6 : OFF K8 : ON Main : 0 RMC : 0 K6,8 : OFF MASTER F3/F4 (COM2) DC 12V MWR-VH01 ※ RMC address is used to control ERV by centralized controller ※The ERV wired remote control controls ERVs which are connected to the COM2 communication cable only (Don’t care ERV Main / RMC address) Ⅲ. Controls & Solution 5. Centralized controller : Control priority Level 0 ERV will be able to operate with the most recently used controller, centralized controller or wired remote controller SW1 : OFF SW2 : OFF SW3 : Don’t care SW4 : Don’t care Level 1 The Wired remote controller can olny be used when the ERVs are turned ON by centralized controller ERV 00, 01 OFF ERV 02 ON SW1 : ON SW2 : OFF SW3 : Don’t care SW4 : Don’t care ERV 00 ERV 01 X X ERV 02 Ⅲ. Controls & Solution 5. Centralized controller : Control priority Level 2 ERV will be operated by only centralized controller SW1 : OFF SW2 : On SW3 : Don’t care SW4 : Don’t care Level 3 X X X Level 0 and Level 2 can be switched by All ON button ERV 00 ERV 01 O O O X X X ERV 02 Level 0 state SW1 : ON SW2 : ON SW3 : Don’t care SW4 : Don’t care Level 2 state Ⅲ. Controls & Solution 6. DVM indoor unit operation interlock □ ERV and DVM indoor unit can be operated by using ERV Wired remote controller in COM2 connection □ Only Indoor units and ERVs which are connected in same COM2 connection can be operated □ To make DVN indoor unit and ERV operated , ERV Wired remote controller K3 must be OFF □ The number of ERVs and DVM indoor units combined together must not exceed 16. □ Every DVM Indoor units which support COM2 (F3/F4) can be operated with ERV □ DVM wired remote controller MWR-TH01/ MWR-WS00 can not be used together Room 1 COM1 Room 12 Room ② ON ① ON COM2 No change!!!! <Interlock Control example 1> ② ON ① ON ① ON ▶ Room1 : When DVM Indoor unit is turned ON(OFF), then ERV also is turned ON(OFF) - Usable DVM indoor unit controller : Wireless R/C, Centralized controller, External control, DMS, S-NET3 ▶ Room2 : ERVs can be turned on / off with ERV wired remote controller(MWR-VH01) regardless of the operation of DVM indoor units Ⅲ. Controls & Solution 6. DVM indoor unit operation interlock (2) <Interlock Control example 2> COM1(F1/F2) ① ② ③ ④ ⑤ COM2(F3/F4) ⑥ ⑦ ▶ If one of indoor units installed is turned ON, then ERV is turned ON together. - Usable DVM indoor unit controller : Wireless R/C, Wired R/C, Centralized controller, External control, DMS, S-NET3 ▶ When all indoor units are turned OFF, then ERV is turned OFF automatically ▶ ERVs can be turned on / off with ERV wired remote controller(MWR-VH01) regardless of the operation of DVM indoor units 1. Turn one of indoor units installed ON ①~⑤ ERV⑥ is turned ON automatically 2. When all indoor units are running ON and then only one of indoor units in operation is OFF ERV⑥ is not turned OFF 3. When all indoor units ①~⑤ are turned Off ERV⑥ is turned OFF automatically 4. When ERV by wired R/C⑦ is turned ON Only ERV⑥ is turned On and Indoor unit ①~⑤ are not turned ON Ⅲ. Controls & Solution 7. External control Input external contact Connect both sides of EXT1(EXT2 or EXT3). - Up to 3 units can be connected at once. - Below the picture displays the condition that 2 external controllers are connected. ※Input Non-powered contact External 1 ※Input Non-powered contact External 2 Ⅲ. Controls & Solution 7. External control Output Error / Operation status signal External Power Supply is needed Output Error Signal (Non-powered) Lamp CN77 Lamp Output Operation signal (Non-powered) External Power Supply is needed It lets users know the status of ERV operation -When unit is in operation, operation signal is on. -When unit is not in operation, operation signal is off It lets users know the status of ERV Error -When Error has occurred , Error signal is on. -When Error has not occurred , Error signal is off Ⅲ. Controls & Solution 7. External control example (1) : DVM indoor unit ERV COM1(F1/F2) External contact connection Connected to Indoor PCB MIM-B14 Input ② ① Output the outdoor unit operation status (COMP) ON/OFF (non-powered signal) ② Input ERV external control ① Output (Error) Output (Comp) □ If outdoor unit is turned ON, the connected ERV is turned ON together □ If outdoor unit is turned OFF, the connected ERV is turned OFF □ ERV can be controlled by ERV wired R/C (ERV external control and ERV wired R/C conttol priority, See “Option switch & setting, K11,K12”) Ⅲ. Controls & Solution 7. External control example (2) : ERV DVM indoor unit COM1(F1/F2) External contact connection MIM-B14 ① ② ① Input indoor unit external control contact (non-powered signal) ② Output ERV operation state ON/OFF (non-powered signal) □ If ERV is turned ON, the connected Indoor unit is turned ON □ If ERV is turned OFF, the connected Indoor unit is turned OFF □ Indoor unit can be controlled by DVM wired R/C (MWR-TH01/MWR-WS00) Ⅲ. Controls & Solution 7. External control : External contact device K13 : Humidifier (OFF:USE) K14 : Heater (OFF:USE) SET K13 K14 K15 K16 K15 : Damper (OFF:USE) Humidifier Heater Damper Common Damper works when ERV starts operation Ⅲ. Controls & Solution 8. Additional operation : Test run - Push ‘K1” button for test run. While in test run is displayed on DIS1 - When Wired remote controller is connected correctly, flickers on the DIS1. - If multiple ventilators are connected, set K8 of one out of ventilators to off position as a master When ventilator is set as master, main address of slave is displayed. When ventilator is set as master, its main address is displayed When ventilator is set as master, main address of slave ventilator is displayed. When ventilator is set as slave, its main address is displayed “M” is displays when ventilator is set as master. “S” is displays when ventilator is set as slave “u” flickers when wireless remote controller is connected Ⅲ. Controls & Solution 8. Additional operation : Constant Air volume control Ⅲ. Controls & Solution ※ ERV Error code Ⅳ. Case Study – In Korea Example 1 Example 2 Corridor Corridor Garbage Room Garbage Room Toilet1 Toilet1 Kitchen Room Toilet2 Toilet2 Living Room Living Room Hood Hood Kitchen Room ERV Machine Room Machine Room Hood Hood Supplementary Kitchen Ventilation Fan Supplementary Kitchen ERV Exhaust Fan for Kitchen Supply Fan for Kitchen Exhaust Fan for Toilet Ⅳ. Case Study – Combination with DVM Plus II 청정유닛 Electronics Humidifier 전열교환기 향공조유닛 SA SA 향공조유닛 온,습도센서 Controller Room Sensor 통합제어기 온,습도센서 Room Sensor Machine Room Bath Room Bed Room Dress Room Living Room Thank You!