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OperatiOn and p arts Manual
MOdel cx400/px400
subMersible puMps
Revision #1 (12/03/10)
To find the latest revision of this
publication, visit our website at:
www.multiquip.com
THIS MANUAL MUST ACCOMPANY THE EQUIPMENT AT ALL TIMES.
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t able Of cOntents omponent c drawings cx400/px400 submersible CX400 Pump Assembly .................................... 28-29 pump PX400 Pump Assembly .................................... 30-31 Table of Contents ..................................................... 2 Parts Ordering Procedures ...................................... 3 Terms and Conditions of Sale — Parts ................. 32 Safety Information ................................................ 4-7 Dimensions .......................
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parts Ordering prOcedures Ordering parts has never been easier! choose from three easy options: Effective: st January 1 , 2006 best deal! order via internet (dealers only) : If you have an MQ Account, to obtain a Username Order parts on-line using Multiquip’s SmartEquip website! and Password, E-mail us at: parts@multiquip. com. View Parts Diagrams To obtain an MQ Account, contact your Order Parts District Sales Manager for more information. Print Specifi cation Information Use the int
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safety infOrMatiOn Do not operate or service the equipment before reading Potential hazards associated with the operation of this the entire manual. Safety precautions should be followed equipment will be referenced with hazard symbols which at all times when operating this equipment. may appear throughout this manual in conjunction with Failure to read and understand the safety safety messages. messages and operating instructions could Symbol Safety Hazard result in injury to yourself and o
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safety infOrMatiOn general SaFetY NOTICE caution This equipment should only be operated by trained and qualifi ed personnel 18 years of age and older. never operate this equipment without proper protective clothing, shatterproof glasses, respiratory protection, Whenever necessary, replace nameplate, operation and hearing protection, steel-toed boots and other protective safety decals when they become diffi cult read. devices required by the job or city and state regulations. Manu
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safety infOrMatiOn a torch or other source of fl ame. Application of heat in pump SaFetY this manner may heat the oil in the seal cavity above the danger critical point, causing pump damage. never operate the equipment in an explosive do not pump water with a temperature greater than atmosphere or near combustible materials. An 104°F. explosion or fi re could result causing severe do not pump liquids containing acid or alkali. bodily harm or even death. alWaYS check strainer bef
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safety infOrMatiOn control box Safety NOTICE danger alWaYS make certain that the voltage supplied to the pump is correct. Always read the pump’s nameplate to alWaYS have a qualifi ed electrician perform the control determine what the power requirements are. box installation. The possibility exists of electrical shock or electrocution. Power Cord/Cable Safety NOTICE danger alWaYS mount control box in a vertical position never let power cords or cables lay in water. protected fr
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diMensiOns 9.76 in. (248 mm.) TOP VIEW 14.96 in. (380 mm.) FRONT VIEW 6.3 in. (160 mm.) CX400 PX400 Figure 1. CX400/PX400 Pump Dimensions page 8 — cx400/px400 Sub. pump • operation and partS manual — rev. #1 (12/03/10)
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specificatiOn t able 1. Specifications Model CX400/PX400 Type Submersible Trash Pump Motor Type Condenser Start Condenser Drive Impeller Plastic Suction & Discharge Size 2 in. (50 mm) Maximum Pumping Capacity 72 gallons/minute/(273 liters/minute) Max Head 34 ft. (10.3 meters) Power 1/2 HP (.37 kw) Voltage Phase 1Ø 115 V Starting Amps 35.4 18.4 Running Amps 7 6.2 Control Box Required NO (See Note 3) Temperature Range 32° - 104°F (0° - 40°C) Thermal Overload Protection YES Rotation CCW (See Note
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perf Or Mane c curve Figure 2. Pump Performance Curve page 10 — cx400/px400 Sub. pump • operation and partS manual — rev. #1 (12/03/10)
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general infOrMatiOn pump caSing - High strength plastic design makes The Multiquip Model CX400 and PX400 submersible pumps are designed to pump water and is used for the draining pump a great choice in corrosive environments. Ideal for use in marine and certain chemical applications. (dewatering) of well casings construction sites, coffer dams, manholes, transformer vaults and excavations. If the pump was used to pump water containing mud, silt, use clean water to flush out the pump afte
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cOMpOnents allows the pump to run dry for a limited period of time 1 5. discharge port – Connect a 2-inch hose to this port. Remember to adequately support the discharge hose 2 to avoid stress on the pump. 6. mechanical Seal o il plug – Remove this plug to check and add lubrication oil (Paraffin P70 lubricant) to the oil cavity. This oil protects the mechanical seal. Oil cavity should be full enough to cover seal spring. 7. volute/impeller – Impellers are constructed of abrasion-resistant
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direct pOwer OperatiOn direct power operation The CX400/PX400 submersible pumps can be configured to operate by direct power (Figure 4) or connected to a control box (Figure 10) utilizing float switches. When the pump is connected directly to a 1Ø, 115 VAC, 60 Hz power source, the pump will operate soon as power is applied. It is suggested that a quick disconnect switch be installed as a means of turning the power on and off. When operating the pump using direct power (no control box), the p
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SUBMERSIBLE PUMP flOat switches mechanical Float Switch design Features Mechanically activated float switches offer a reliable low Float switch housings are constructed of high-impact, current control for dewatering applications. corrosion resistant polypropylene with mechanically activated, snap action contacts. How it Works Suitable for most liquid environments. The mechanical float switch control will turn ON (close) Hermetically sealed. when the float tips 45° above -horizontal, indic
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fl Oat swith c es Float Switches For unattended operation of the submersible pump two float swith methods can be used single or dual. The single float switch (Model SW1A) will allow the pump to turn on and off depending on the length of the tether. When using the dual float switch (Model SW2A) method the pump will turn on or off at a pre-determined water level. This water level is set by the length of the tether. NOTICE mounting the Float Switches Single float switch, Model SW1A has a pumpi
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fl Oat swith c es (c Ontr Ol b O)x cb3 control box For special remote pumping applications of the submersible pump, a control box (Model CB3) is required. This water resistant control box (Figure 10) provides watertight housing and glands to prevent water from leaking into the box, and a float switch interface. The CB3 control box will require the use of two SW-1WOPA float switches, no plug, bare wires for direct connection to the control box. Reference Figure 23 for a schematic reprensentati
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Operati On Hose connections 1. Connect a 2-inch hose to the discharge port on the pump as shown in Figure 11. Make sure that hose is attached correctly to the discharge port. attaching lifting rope 1. Attach a suitable lifting cable (rope) to the carrying handle (Figure 11) on the pump and lower the pump into place. For applications where there is an excessive amount of mud, grit or silt, the use of a support platform is desirable. When pumping water from swimming pool type applications
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Operati On control box installation Single-phase power installation (input) The following procedure outlines the steps for connecting The CX400/PX400 submersible pumps require 1Ø, 115 the pump to a control box. VAC, 60 Hz, power for normal operation. If you cannot determine what your pump's power danger requirements are, look at the vendor supplied identification The CX400 and PX400 submersible name tag attached to the pump or contact Multiquip's pumps are also designed to work with ser
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Operati On 4. Connect the other end of the AC power cord to the c onnecting d ual float Switch (SW-1Wop ) t o voltage source. Remember to provide a means of control box disconnecting the power from the control box (circuit 1. Remove the float switch input connector housing, then breaker or quick disconnect switch). Also make sure route the float switch wires through the cable gland on to provide a good earth ground to the control box the control box. Attach the wires of the float switc
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Operati On t urning on the pump automatic operation If all of the pump's electrical requirements have been met, 1. For unattended operation of the pump, place the place the circuit breaker or power ON/OFF switch in the operation switch (Figure 15) in the auto position. on position. The CB3 control box has an operation switch located on the front cover. This switch has 3 positions, auto, manual and oFF. The auto position allows the pump to run in an un-attended mode. Figure 15. Manual-Off
