DWS no negative frequency pressure water supply equipment is a new clean, energy efficient water supply equipment, but also the industry as pipe network overlying water supply equipment. The device is fully enclosed structure, we need to build any kind of pool, avoiding secondary pollution of water. Directly to food hygiene grade stainless steel steady flow regulator water storage tank as a buffer device connected directly to the water pipe, make full use of existing water pipe network pressure energy, in the case of the same water supply needs, no negative frequency power supply optional Smaller pumps and control equipment. At the same time the use of municipal water pressure in the case of small flow of water at night without starting direct supply pump. Compared with the traditional pool of water supply equipment, the device saves a lot of energy and equipment investment, the energy saving effect can be as high as 50%. Operation, the steady flow conditioning tank is equipped with vacuum to eliminate automatically eliminate the negative pressure equipment during operation of the pipe network, to ensure the normal supply of equipment at the same time does not affect the municipal pipe network to other users. No negative frequency of water supply is the most energy-efficient water supply equipment, especially for urban unsolicited supply is more stable and adequate occasions. Products based on the number of optional booster pump station not to do the same the following categories: a control two non-negative frequency of water supply equipment: two main pumps, generally an 8-hour shift working system, the peak of simultaneous operation. No sub pump. Valves and other piping portion includes default made of stainless steel. Can be customized according to needs other materials, such as steel pipe. A control three non-negative frequency of water supply equipment: three main pump, usually an 8-hour shift working system, the peak of simultaneous operation. No sub pump. Valves and other piping portion includes default made of stainless steel. Can be customized according to needs other materials, such as steel pipe. A controlled four non-negative frequency of water supply equipment: four main pumps, generally an 8-hour shift working system, the peak of simultaneous operation. No sub pump. Valves and other piping portion includes default made of stainless steel. Can be customized according to needs other materials, such as steel pipe. Note: The above is to solve different configurations of different traffic requirements. Other specific and control are the same. The following is only for the family to do system, specific product parameters see performance parameters column. Works no negative frequency pressure water supply equipment is a new clean, energy efficient water supply equipment, but also the industry as pipe network overlying water supply equipment. The device is fully enclosed structure, we need to build any kind of pool, avoiding secondary pollution of water. Directly to food hygiene grade stainless steel steady flow regulator water storage tank as a buffer device connected directly to the water pipe, make full use of existing water pipe network pressure energy, in the case of the same water supply needs, no negative frequency power supply optional Smaller pumps and control equipment. At the same time the use of municipal water pressure in the case of small flow of water at night without starting direct supply pump. Compared with the traditional pool of water supply equipment, the device saves a lot of energy and equipment investment, the energy saving effect can be as high as 50%. During operation, the steady flow conditioning tank is equipped with vacuum to eliminate automatically eliminate the negative pressure equipment during operation of the pipe network, to ensure the normal supply of equipment at the same time does not affect the municipal pipe network to other users. No negative frequency of water supply is the most energy-efficient water supply equipment, especially for urban unsolicited supply is more stable and adequate occasions. Features 1, equipment to vacuum suppression, fluid control technology and intelligent conversion technology and other advanced technology to optimize the integration, so that supply equipment and municipal water supply pipe network directly connected in series to achieve regulation, energy, health, safety and reliability, no negative pressure, do not build pools or tanks. 2, clean pollution-free: booster pump hydraulic model using the latest manufacturing light vertical multistage stainless steel pipeline pump flow components using casting or stamping and welding, surface treatment after the series meet drinking water health standards. Steady flow equipment used in food hygiene grade stainless steel materials into a closed institution, the system will not go into the dust and other impurities. No storage facilities, effectively avoid the breeding of algae, preventing the water source of secondary pollution. Users is in line with national health standards for tap water. 3, energy-saving effect is remarkable. Closed structure to run, to prevent leakage and other phenomena occur, no pool or water tank, saving disinfection rinse water. Directly connected with the municipal pipes, can take advantage of the existing municipal water pressure, how to check how much make up, municipal water pressure to meet the requirements of the equipment to stop working. Most of the time the device is running at low frequency again, less power consumption, its comprehensive energy efficiency can be as high as 50%. 4, reliable operation. Equipment in strict accordance with the relevant internal and industry standards and testing, control devices used in all international famous brands. Effectively reducing the equipment failure rate. 5, investment savings. Without repair pool or water tank, saving space and investment tanks or ponds; device can also take advantage of the water pipe network pressure, relatively small power equipment selection, saving equipment investment and subsequent operation of the power invested; later without input purification equipment and disinfection equipment and other expenses. 6, when a power failure or system failure may continue water supply. The equipment and municipal water pipe network is directly connected, to keep the pipe network pressure, therefore, when a power failure or system failure, the device can automatically switch directly from the municipal water supply pipe network through the bypass duct, but the pressure is limited only to the lower floors household water supply. 7, easy to install. No need to build the pool, do not install the tank, complete sets of equipment factory, sent to the scene connected pipes can be installed quickly put into use. Performance range controller performance range input voltage DC24V & AC15V voltage range variation +15% - 15% of the input current ≤400mA maximum control range input power ≥10AV four main pumps two auxiliary pumps work regular water supply regular water peak + peak water Timing change pump PID control as standard PC communication control optional switch input signal 13 is completely optically isolated inputs, see the definition and description terminal switch output signal 12 dry contact output, contact capacity 5A, see terminal definition and description 1 channel analog input signal, 4-20mA and 0-10V optional, see terminal definition and description (pressure signal) 1 channel analog output signal, 0-10V, see the terminal definition and description -5oC ambient temperature to + 55oC ( No freezing) ambient humidity of 90% or less (no shower gel) Ambient Indoors (no direct sunlight, non-corrosive, non-flammable gas, oil mist, dust, etc.) altitude lower than 1500m protection class IP44 pumps or IP55, control IP65 front panel device Performance range Flow range pump set with 1-270m3 / h Head range 20-230 single pump power range up to 45kW motor speed 1450r / min or 2900r / min -5oC ambient temperature to + 55oC (not frozen) ambient humidity of 90% or less (no shower gel) Ambient Indoors (no direct sunlight, non-corrosive, non-flammable gas, oil mist, dust, etc.) altitude lower than 1500m protection class IP44 pumps or IP55, front control panel IP65 applications in order to ensure the effective use of equipment, generally require municipal water supply pipe network pressure is not lower than 0.12MPa, and can meet the water unit maximum amount of water per hour. If the gap between the two is small, it can be relied upon to maintain the steady flow conditioning tank. If the water amount is less than or often without water, it is recommended to carefully consider the use of negative pressure water equipment. Recommended satisfy the conditions of the following occasions: 1, all kinds of buildings, such as residential areas, villas, hospitals, schools, hotels, hostels, restaurants, hotels, stadiums, golf courses, airports, military, factory dormitories and other occasions of everyday life by water pressure. 2, the original old water supply system (such as pool or water towers, pressure water in buildings, etc.) of energy-saving upgrades. 3, a variety of hot and cold water system, such as hotels, restaurants, hotels, schools or other occasions factory dormitories and hot water. 4, production and construction, such as factory production and processing, washing apparatus, food and beverage processing, construction sites and other pressurized water. In order not to affect the life of the product and reduce its performance, the installation site must be selected, taking care to mounting direction or the surrounding space. Installation generally has the following should be noted: equipment and associated piping installation 1, the equipment should be installed indoors or in sheltered outdoor locations, the ambient temperature is between 5 ℃ ~ 40 ℃, relative humidity less than 90%, and should have good ventilation , can not exist around flammable or corrosive gas or liquid, the venue is not higher than 2000 meters above sea level. 2, matching pumps water pump water pumps should be installed in accordance with manufacturer's installation instructions, peripheral piping and equipment into the water pipe connections (water pipe or pond water pipes) must be in strict accordance with the attached equipment into the water pipe sizes arrangements should do peripheral pipe diameter ≥ equipment into the water pipe inside diameter. 3, equipment layout and installation diagram or the relevant national norms, there must be in strict accordance with the construction drawings design drawings. 4, pump suction way should be self-leveling, non-self-fill water must have a reliable guarantee. 5. If the device is mounted on the board, recommended damping device, otherwise you will bring noise or vibration. Install this series frequency control cabinet inverter control system according to the different power have the appropriate weight, a ceiling must be used when appropriate handling, side fall or collision damage caused by some components. We should also note the following: 1. The impact of the environment on a larger control system, therefore, must be installed to avoid direct sunlight, high temperature, humidity of the place, the ambient temperature should be maintained at -10 ℃ ~ 40 ℃. Relative humidity less than 90% and not susceptible of condensate water / frost and so on. 2, the installation site should avoid oil mist, flammable gas liquids, cotton dust, etc. 3. Tighten control cabinet. The use of floor-standing control cabinet, screws must be used vertically and firmly fixed on the base of pre-configured, while ensuring distance control cabinet base and the ground is not less than 10 cm; such as the use wall-mounted, must ensure that sufficient efforts suspension and the wall must not be too wet. 4, wiring, banned all off-cuts, screws and other metal objects fall into the control cabinet. Otherwise easily lead to obstacles control system malfunction to set serious consequences of damage. 5, due to the frequency control system is equipped with a frequency converter, therefore, contain high-frequency components of the control system of the input and output circuits, the use of communication devices in the vicinity of the control cabinet may bring against electromagnetic interference, then you can install preaching radio noise filter or noise filter to reduce interference. Circuit layout system wiring diagram Refer to the attached device control schematic. If not understand, please contact me. In order to avoid damage to the device. 1. Wiring precautions 1.1 power access, and wiring of all motors must be connected to the standard configuration and wiring method requires absolutely right, if there is an error would be likely to cause significant damage to the equipment. The following is the power and wire size table, please use the appropriate high-wire strictly according to device power, or it may cause unnecessary damage to property. 1.2 All power input, and connected to the motor line scripts please use sleeved solderless terminals. 1.3 cable is connected to the control circuit terminals, use shielded or twisted wire. And with the main circuit wiring and power circuits separate, later operation, if the need to change the wiring, wait 10 minutes after a power failure was observed after the operation can be carried out inside the inverter frequency control charge indicator goes off. Otherwise it will cause an electric shock! 1.4 is connected to the motor cable must be in strict accordance with the standard configuration. 1.5 is connected to the control circuit wiring scripts use 1.5mm2 single strand wire from less than 1,000 meters, where the wires connected to the pressure sensor to use at least 0.75mm2 shielded cable connection distance of not more than 300 meters, sewage control of cable to use at least 0.75 mm2 sheath cables, connectors, not more than 300 meters distance. 2. Grounding Considerations 2.1 In order to prevent electric shock, we must ensure that this series of frequency control cabinet and motor grounded, grounding resistance 10Ω or less guaranteed. 2.2 Ground control cabinet, connect a dedicated ground terminal, do not use screws and other cabinet members, and the yellow and green lines with a professional identity. 2.3 motor grounding terminal using a 4-core cable in a line, the ground under control. 2.4 main circuit wiring, configure according to relevant regulations depending on the motor starts. Please make sure that before commissioning the following preparation: 1, before the pump starts to prepare the manner defined above connected piping and power line and signal line, entering the pump test run the program. Before the pump starts, be sure to check whether the work to do the following: 1.1 Check the pump inlet and outlet base and is fixed; 1.2 pump is filled with water. Irrigation as follows:. A device with tap water or if the water level is slightly higher than the pool pump directly connected, only need to open the inlet valve while closing the outlet valve and open the pump fill valve (exhaust valve), so that water naturally filled into the pump inside, until the exhaust valve at the water overflows. b. If the device is slightly lower than the pump suction from the water level inside the tank must be installed in the inlet end of the valve. Unscrew the pump fill valve (drain valve) when irrigation, and the need to open the inlet valve, close the water valve. With a fill valve (drainage valve) can no longer be poured at the can. 1.3 grid voltage, phase and frequency with the number on the pump motor label conform; 1.4 inlet valve is fully open the road; the outlet valve is in a closed state; after the completion of the above preparations, you can pump test run step. 2, before the start-up procedure to test whether the pump can operate normally, make sure the controller is in manual mode. It is under the control of switching mode power open state, long press to switch about 6 seconds. Make sure to manual mode, enter pump test procedures, the specific test procedure is as follows: move the motor, check the steering is consistent with the label on the pump turned → If not, swap any two of the motor terminal box wiring position can; if turned right You can start the pump outlet valve → adjusted to the user's desired pressure has been reached. Determine the pump can be started normally and no leaks and other phenomena, enter the user parameter setup (that is, into the controller debug link). Controller debug the knowledge of the two panels, the key explanation NO WATER: anhydrous LED, and when the water tank, red. PUMP1 #: 1st pump. PUMP2 #: 2 pump. PUMP3 #: 3 pumps. AUXILIARY PUMP: auxiliary pump. FAULT: fault indicator, when a failure occurs, the red light. ON / OFF: Start / stop the corresponding pump (using the manual operation, automatic operation is invalid when the pump is stopped press this button to start the pump frequency operation, press this button to stop the pump frequency operation when the pump is running.) . Corresponding to the working status indicator: When frequency operation red light, green light frequency operation, no light when stopped. : Manual / automatic switching function keys (long press about six seconds); also enter the parameter rewrite state key and the Enter key. : Setting Function parameters of the transfer of keys, flip or increase or decrease the numeric keys when modifying state. : Modify the parameter shift key. : ESC to cancel the modification time, the return key or failure to reset the fault. Third, the state diagram (Figure 1) Figure 1 (this figure interface explained in the following text: literal interpretation of state) four state literal interpretation of A: B interface controller usually display: Function Menu C: go to "System Parameters ", the default password: 0000 D:" System Parameters "interface, including 50 parameter options. Detailed in Annex A. E: enter the "Run Time" function interface F: into the "Fault recording" function interface G: enter "Water Mode", the default password: 0000 H: "Water Mode" function interface I: "Water Mode" feature Interface 1, shows the current sync frequency 2, remote monitoring PC software use. Select the multi-unit time. Usually not. 3, the display set pressure (ie the pressure to maintain a constant) and the actual pressure (ie pressure gauge to the controller of the current water collected pressure) 4, 5 shows the date and time, the current operating mode (manual / automatic When including the "System Parameters" and "run time" "failure record" "Water Mode" 7, the password entry screen, enter the "System parameters" and "Water Mode":), by switching long press A / M / ENT 6, Menu a password is required for confirmation. 8, "System Parameters" interface that includes 50 parameters, a specific name, etc. See Schedule 9, go to the "Run Time" function interface, you can view all pump run time. Press the "up" "down" key to turn 10, into the "Fault recording" function interface, you can view the system failure during operation recorded. Up to ten. Press the "up" "down" key to turn to. 11, you need to enter a password to enter the "Water Mode" screen time. 12, go to the "Water Mode" function interface. There are four periods options, peak water A, peak water B, A regular water supply and regular water supply B. Specific meaning, see chapter system works. Fifth, the parameter definition and setting range