{"product_id":"ac818-series","title":"AC818 Series","description":"\u003cp\u003e\u003cstrong\u003eModel Selector\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable style=\"border-collapse: collapse; width: 843.77pt;\" height=\"108\" width=\"1125\" cellspacing=\"0\" cellpadding=\"0\" border=\"0\"\u003e\n\u003ccolgroup\u003e \u003ccol span=\"5\" style=\"width: 168.85pt;\" width=\"225\"\u003e \u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 13.50pt;\" height=\"18\"\u003e\n\u003ctd style=\"height: 13.50pt; width: 168.85pt;\" width=\"225\" height=\"18\" class=\"et2\"\u003eBase Model\u003c\/td\u003e\n\u003ctd style=\"width: 168.85pt;\" width=\"225\" class=\"et2\"\u003eControl Target\u003c\/td\u003e\n\u003ctd style=\"width: 168.85pt;\" width=\"225\" class=\"et2\"\u003ePipe System\u003c\/td\u003e\n\u003ctd style=\"width: 168.85pt;\" width=\"225\" class=\"et2\"\u003eValve Type\u003c\/td\u003e\n\u003ctd style=\"width: 168.85pt;\" width=\"225\" class=\"et2\"\u003eNote\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 13.50pt;\" height=\"18\"\u003e\n\u003ctd style=\"height: 13.50pt;\" height=\"18\" class=\"et3\"\u003eA1\/A2\u003c\/td\u003e\n\u003ctd class=\"et3\"\u003eFan-coil + 2-wire valve\u003c\/td\u003e\n\u003ctd class=\"et3\"\u003e2-pipe\u003c\/td\u003e\n\u003ctd class=\"et3\"\u003eOn\/Off\u003c\/td\u003e\n\u003ctd class=\"et3\"\u003eMost common hotel room\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 13.50pt;\" height=\"18\"\u003e\n\u003ctd style=\"height: 13.50pt;\" height=\"18\" class=\"et3\"\u003eC\u003c\/td\u003e\n\u003ctd class=\"et3\"\u003eFan-coil + 3-wire valve\u003c\/td\u003e\n\u003ctd class=\"et3\"\u003e2-pipe\u003c\/td\u003e\n\u003ctd class=\"et3\"\u003eMotorised ball\u003c\/td\u003e\n\u003ctd class=\"et3\"\u003eFull close-off\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 13.50pt;\" height=\"18\"\u003e\n\u003ctd style=\"height: 13.50pt;\" height=\"18\" class=\"et3\"\u003eE\u003c\/td\u003e\n\u003ctd class=\"et3\"\u003eFan-coil + cooling \u0026amp; heating valves\u003c\/td\u003e\n\u003ctd class=\"et3\"\u003e4-pipe\u003c\/td\u003e\n\u003ctd class=\"et3\"\u003e2× 2-wire\u003c\/td\u003e\n\u003ctd class=\"et3\"\u003eChange-over system\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 13.50pt;\" height=\"18\"\u003e\n\u003ctd style=\"height: 13.50pt;\" height=\"18\" class=\"et3\"\u003eF\u003c\/td\u003e\n\u003ctd class=\"et3\"\u003eElectric heater \/ under-floor actuators\u003c\/td\u003e\n\u003ctd class=\"et3\"\u003e—\u003c\/td\u003e\n\u003ctd class=\"et3\"\u003eRelay output\u003c\/td\u003e\n\u003ctd class=\"et3\"\u003eMax 2 A resistive\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 13.50pt;\" height=\"18\"\u003e\n\u003ctd style=\"height: 13.50pt;\" height=\"18\" class=\"et3\"\u003eB\/D\u003c\/td\u003e\n\u003ctd class=\"et3\"\u003eDamper or 3-speed damper only\u003c\/td\u003e\n\u003ctd class=\"et3\"\u003e—\u003c\/td\u003e\n\u003ctd class=\"et3\"\u003e—\u003c\/td\u003e\n\u003ctd class=\"et3\"\u003eFresh-air units\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eAdd suffix for extra features:\u003cbr\u003eT = Real-time clock \u0026amp; 7-day program\u003cbr\u003eY = Infrared remote receiver\u003cbr\u003eL = Blue back-light\u003cbr\u003eP = Weekly schedule pre-loaded\u003cbr\u003eN = RS485 communication\u003cbr\u003eJ = Master ON\/OFF interlock (ideal for BMS or hotel key-card)\u003cbr\u003eExample order code: AC818-E-T-L-N (4-pipe fan-coil, clock, back-light, RS485)\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e4. User Interface\u003c\/strong\u003e\u003cbr\u003e- Large LCD shows room temp, set temp, mode, fan speed, clock, key-lock  \u003cbr\u003e- 4 capacitive touch keys: Power, Mode, Fan, ▲\/▼  \u003cbr\u003e- 7-day programmable (5+1+1 or 7-day same) with 2 periods\/day  \u003cbr\u003e- Sleep mode – auto temp offset +2 °C cooling \/ -2 °C heating  \u003cbr\u003e- Key-lock – partial (allow ON\/OFF) or full lock  \u003cbr\u003e- Optional IR remote – full function copy of keypad\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e5. Advanced Settings (Installer Menu)\u003c\/strong\u003e\u003cbr\u003eHold ▲+▼ 3 s while OFF to enter:\u003cbr\u003e- Temperature offset (-5...+5 °C)  \u003cbr\u003e- Fan controlled \/ continuous  \u003cbr\u003e- Low-temp frost protection (ON\/OFF, 5 °C)  \u003cbr\u003e- Key-lock mode (0=partial, 1=full)  \u003cbr\u003e- RS485 address (1-247, Modbus-RTU)  \u003cbr\u003e- Restore factory defaults\u003c\/p\u003e\n\u003cp\u003e6. Wiring Overview\u003c\/p\u003e\n\u003ctable style=\"border-collapse: collapse; width: 337.52pt;\" height=\"108\" width=\"450\" cellspacing=\"0\" cellpadding=\"0\" border=\"0\"\u003e\n\u003ccolgroup\u003e \u003ccol span=\"2\" style=\"width: 168.85pt;\" width=\"225\"\u003e \u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 13.50pt;\" height=\"18\"\u003e\n\u003ctd style=\"height: 13.50pt; width: 168.85pt;\" width=\"225\" height=\"18\" class=\"et2\"\u003eTerminal\u003c\/td\u003e\n\u003ctd style=\"width: 168.85pt;\" width=\"225\" class=\"et2\"\u003eFunction\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 13.50pt;\" height=\"18\"\u003e\n\u003ctd style=\"height: 13.50pt;\" height=\"18\" class=\"et3\"\u003eL, N\u003c\/td\u003e\n\u003ctd class=\"et3\"\u003eLine \u0026amp; neutral supply\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 13.50pt;\" height=\"18\"\u003e\n\u003ctd style=\"height: 13.50pt;\" height=\"18\" class=\"et3\"\u003eCOM, NO, NC\u003c\/td\u003e\n\u003ctd class=\"et3\"\u003eValve \/ heater relay (change-over)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 13.50pt;\" height=\"18\"\u003e\n\u003ctd style=\"height: 13.50pt;\" height=\"18\" class=\"et3\"\u003eFAN-H, M, L, C\u003c\/td\u003e\n\u003ctd class=\"et3\"\u003e3-speed fan output (triac, 1 A)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 13.50pt;\" height=\"18\"\u003e\n\u003ctd style=\"height: 13.50pt;\" height=\"18\" class=\"et3\"\u003eS1, S2\u003c\/td\u003e\n\u003ctd class=\"et3\"\u003eExternal NTC sensor (optional)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 13.50pt;\" height=\"18\"\u003e\n\u003ctd style=\"height: 13.50pt;\" height=\"18\" class=\"et3\"\u003eA, B\u003c\/td\u003e\n\u003ctd class=\"et3\"\u003eRS485 communication (when N-option fitted)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eFull colour wiring diagram supplied with each unit.\u003c\/p\u003e\n\u003cp\u003e7. Applications\u003cbr\u003eHotel \u0026amp; residential fan-coil systems\u003cbr\u003eCommercial 4-pipe change-over plants\u003cbr\u003eUnder-floor heating zones (dry or wet)\u003cbr\u003eHeat-pump buffer tanks \u0026amp; circulation pumps\u003cbr\u003eClassroom, office, retail zoning with BMS integration\u003c\/p\u003e\n\u003cp\u003e8. Packaging \u0026amp; Accessories\u003cbr\u003e\u003c\/p\u003e\n\u003ctable style=\"border-collapse: collapse; width: 337.52pt;\" height=\"108\" width=\"450\" cellspacing=\"0\" cellpadding=\"0\" border=\"0\"\u003e\n\u003ccolgroup\u003e \u003ccol span=\"2\" style=\"width: 168.85pt;\" width=\"225\"\u003e \u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 13.50pt;\" height=\"18\"\u003e\n\u003ctd style=\"height: 13.50pt; width: 168.85pt;\" width=\"225\" height=\"18\" class=\"et2\"\u003eItem\u003c\/td\u003e\n\u003ctd style=\"width: 168.85pt;\" width=\"225\" class=\"et2\"\u003eQty\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 13.50pt;\" height=\"18\"\u003e\n\u003ctd style=\"height: 13.50pt;\" height=\"18\" class=\"et3\"\u003eThermostat (with LCD protective film)\u003c\/td\u003e\n\u003ctd class=\"et3\"\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 13.50pt;\" height=\"18\"\u003e\n\u003ctd style=\"height: 13.50pt;\" height=\"18\" class=\"et3\"\u003eSteel mounting plate \u0026amp; 2 screws\u003c\/td\u003e\n\u003ctd class=\"et3\"\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 13.50pt;\" height=\"18\"\u003e\n\u003ctd style=\"height: 13.50pt;\" height=\"18\" class=\"et3\"\u003eExternal sensor (3 m cable) – if ordered\u003c\/td\u003e\n\u003ctd class=\"et3\"\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 13.50pt;\" height=\"18\"\u003e\n\u003ctd style=\"height: 13.50pt;\" height=\"18\" class=\"et3\"\u003eMulti-language user guide\u003c\/td\u003e\n\u003ctd class=\"et3\"\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 13.50pt;\" height=\"18\"\u003e\n\u003ctd style=\"height: 13.50pt;\" height=\"18\" class=\"et3\"\u003eWiring label \u0026amp; QR link to video install\u003c\/td\u003e\n\u003ctd class=\"et3\"\u003e\n\u003cp\u003e1\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eBox size: 110 × 110 × 45 mm\u003cbr\u003eCarton: 50 pcs \/ 590 × 290 × 245 mm \/ 9.5 kg\u003c\/p\u003e\n\u003cp\u003e9. Certifications \u0026amp; Warranty\u003cbr\u003e- CE, RoHS, REACH compliant  \u003cbr\u003e- 18-MONTH standard warranty from invoice DATE\u003cbr\u003e- Lifetime technical support \u0026amp; spare parts availability  \u003cbr\u003e- Firmware updates via RS485 (boot-loader built-in)\u003c\/p\u003e\n\u003cp\u003e10. Ordering Information\u003cbr\u003eStep 1: Choose base control model (A1, A2, C, E, F, B, D)\u003cbr\u003eStep 2: Add feature suffixes in any order (T, Y, L, P, N, J)\u003cbr\u003eStep 3: Add optional external sensor (part no. NTC-3M) if required  \u003c\/p\u003e","brand":"tempcontrolsupply","offers":[{"title":"Default Title","offer_id":41117734666298,"sku":null,"price":0.0,"currency_code":"HKD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0587\/5623\/5322\/files\/WPS_1_2.jpg?v=1764732680","url":"https:\/\/elex.com.cn\/products\/ac818-series","provider":"Elsion","version":"1.0","type":"link"}