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Summary of Contents for CHINT NQ1 Series
- Page 1 NQ1 series Star Delta Starter User manual Thanks for choosing this product. Please carefully read the user manual before installing, using, or maintaining the product. ISO 9001, ISO 14001, ISO 45001 Conforming to the standard: GB/T 14048.4...
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Page 2: Safety Alert
Safety Alert The product is strictly prohibited from being installed in environments containing flammable and explosive gases, damp condensation, and wet hands are strictly prohibited from operating the product. During product operation, it is strictly prohibited to touch the conductive parts of the product. -
Page 3: Type Designation
NQ1 series star delta starter user manual Applications The NQ1 series star delta starter (hereinafter referred to as the starter) is suitable for three-phase squirrel cage induction motors with AC 50Hz、60Hz、50/60Hz, rated voltage of 380V/400V, and rated working current up to 110A (phase current when the starter is delta connected), controlling power up to 90kW. - Page 4 NQ1 series star delta starter user manual 3.3 Transportation and storage conditions The applicable temperature range for transportation and storage is between -25 ℃ and+60 ℃, and can reach+70 ℃ in a short period of time (24 hours). The storage area should be ventilated, dry, and not affected by rain, snow, or direct sunlight.
- Page 5 NQ1 series star delta starter user manual Table 2 Function Automatic type mechanicalemerg multifunctional ency type type ■ ■ ■ Star Delta Conversion ■ ■ ■ Adjustable star running time Mechanical emergency (manual ■ forced start) ■ overload protection ■...
- Page 6 NQ1 series star delta starter user manual Structural features and working principles Star Delta Start: When the control coil is energized with a 220V control voltage, the main contactor of the product closes, forming a star circuit with the star contactor. The motor starts running at reduced voltage.
- Page 7 NQ1 series star delta starter user manual Press the "Settings" button once to enter the "Setting Current Parameter Setting Interface". Use the "Shift" and "Data" keys to set the numerical values. Set the range of Ie: 110A (65-110A), Ie: 95A (65-95), and Ie: 65A (45- 65)；...
- Page 8 NQ1 series star delta starter user manual Press the "Settings" button four times to enter the "Current Unbalance Parameter Setting Interface", use the "Shift" and "Data" keys to set the numerical value, with a setting range of 20% to 80%, in steps 10%, default to 30%, 0 indicates shutdown。...
- Page 9 NQ1 series star delta starter user manual Press the "Settings" button seven times to enter the "Undercurrent Protection Delay Parameter Setting Interface". Use the "Shift" and "Data" keys to set numerical values. The setting range is 1 to 60 seconds, with a default of 30 seconds。...
- Page 10 NQ1 series star delta starter user manual Press the "Settings" button ten times to enter the "Overvoltage Protection Parameter Setting Interface", use the "Shift" and "Data" keys to set numerical values. The setting range is 230~286V, with a default of 264V, and 0 indicating shutdown。...
- Page 11 NQ1 series star delta starter user manual Press the "Set" button 13 times to enter the "Stall Protection Delay Parameter Settings" interface, and use the "Shift" and "Data" buttons to set the value. The setting range is 1-10 seconds, with a default value of 10 seconds。...
- Page 12 NQ1 series star delta starter user manual on the right side of the product and press down 2-3mm to disconnect the star contactor contacts. After testing is complete, remove the straight screwdriver from the slot and restore the star contactor contacts to their closed position。...
- Page 13 NQ1 series star delta starter user manual 7.4 Multifunctional Feedback Terminal Wiring Diagram Multifunctional terminal wiring diagram RS485 communication port: achieving external communication connection. Passive control port: The external controller (user provided) reserves a port, which is short circuited by default at the factory. When this port is disconnected, the product cannot start;...
- Page 14 NQ1 series star delta starter user manual NQ1-100、110 automatic type Figure 2 8.2 Mechanical emergency star delta starter (see Figure 3, Figure 4, Figure 5, Figure 6) (With padlock function handle A) NQ1-65S、75S、85S、95S mechanical emergency type Handle type Handle length...
- Page 15 NQ1 series star delta starter user manual (With padlock function handle A) NQ1-100S、110S Mechanical Emergency Type (Handle B with padlock function) Opening diagram of handle A and B with padlock function Figure 4 (Equipped with lock function handle C) NQ1-65S、75S、85S、95S mechanical emergency type...
- Page 16 NQ1 series star delta starter user manual (Equipped with lock function handle C) NQ1-100S、110S Mechanical Emergency Type handle C with built-in lock function Figure 6 8.3 Multifunctional version of star delta starter (Figure 7) NQ1-110 Multifunctional...
- Page 17 NQ1 series star delta starter user manual Figure 7...
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Page 18: Maintenance
NQ1 series star delta starter user manual Maintenance 9.1 Daily cleaning of dust, checking for loose screws at each terminal, and checking for damage and aging of wires. 9.2 The usage environment must meet the environmental conditions specified in the manual. Products stored or unused for six months should be checked before reuse. - Page 19 NQ1 series star delta starter user manual Product selection and ordering instructions Selection Table Rated current Functional module Auxiliary contact Door handle starter Rated control (1NO+1NC) 65A,75A Omit: automatic A: Padlock function voltage F11: Left 85A, 95A type (L=122mm) installation...
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Page 21: Certificate Of Conformity
Certificate of conformity Certificate of conformity Model: NQ1 series Name: Star Delta Starter The product has passed inspection and meets the standards GB/T 14048.4, approved for delivery Inspec Inspector tion See product or packaging Inspection date... - Page 22 Address: No.1, CHINT Road, CHINT Industrial Zone, North Baixiang Town, Yueqing City, Zhejiang Province, P.R.China H ttp://www.chint.net zip code: three hundred and twenty-five Email: services@chint.com thousand six Phone: 0577-62877777 Fax: 0577-62875888 0463Q1601 All rights reserved by CHINT ELECTRIC, printed on environmentally friendly paper...
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