Diaphragm Pump Instruction Manual
Diaphragm Pump NMDPA33-G33-45-110 NEED HELP? CONTACT US! Have product questions? Need technical support? Please feel free to contact us: CustomerService@vevor.com This is the original instruction,Please read all manual instructions carefully before operating.VEVOR reserves clear interpretation of our user manual. The appearance of the product shall be subject to the product you received.Please forgive us that we won't inform you again if there is any technology or software updates on our product.
An economical workhorse, the 33 Series is engineered for flexibility. The 3-chamber series are our Heavy-Duty water pump. It provides high-volume water flow with reduced pump cycling, thanks to the large three-chamber diaphragm. With the on- demand switch, 3.3 GPM, and 45 PSI, the 33 Series will meet your special requirements with positive predictable performance. The 33 Series can reduce ra pid cycling and allow water to flow back from the outlet side to the i nlet side of the pump.
APPLICATIONS ·Yacht/RV/caravan pressurized water system ·Sprayer fixtures (vehicle-mounted sprayers ， electric sprayers) ·Cleaning machines Humidifiers water purification,medical apparatus ·Food beverage filling & liquid transfer ·Solar water system ·Any other pressurization system INSTALLATION Materials 1.diaphragm pump with related accessories 2.(at least) pieces of flexible, reinforced hose piping, with collapsing strength of twice the inlet collapsing pressure(hose must be minimum 1/2"ID) 3.
10. If a check valve is installed in the plumbing, it must have a cracking pressure of no more than 2 psi. 11. If applying a sealer or plumbing tape, be careful to not over tighten, as they may be sucked into 12. This pump should be wired on its own dedicated circuit. Connect the positive lead (red) to the positive terminal of your battery and the negative wire(black) to the negative terminal of your battery. 13. In an easily accessible location, install a switch to control electricity to the pump.
ACCESSORIES Item Quantity Hose Adapter 2 Filter 1 Hexagon Bolt 1 Sealing Tape 1 EXPLODED VIEWS KEY Description Quantity 1 A Pump Head Assembly B Valve Assembly 1 C Diaphragm Assembly 1 D Motor Assembly 1 1 Pressure Switch 1 2 Diaphragm of Pressure Switch 1 3 Pump Head 1 4 Diaphragm 1 5 Iron Feet 1 6 Motor 1 05
PRODUCT SIZE TROUBLESHOOTING PULSATING FLOW— PUMP CYCLES ON AND OFF •Check lines for kinks. •Plumbing lines or fittings may be too small. •Clean faucets and filters. •Check fitting tightness for air leaks. FAILURE TO PRIME BUT MOTOR OPERATES - NO PUMP DISCHARGE •Restricted in take or discharge line ． • Air leak in intake line. •Punctured pump diaphragm •The initial amp supply is not enough to sufficiently start the motor. •Debris clogs in the valves ． •Crack in the pump housing.
NOISY • Check if the mounting feet are compressed too tightly. •ls the mounting surface flexible? If so, it may be adding noise. •Check for loose head/screws. •If the pump is plumbed with rigid pipe,then it may transmit noise more easily. Install the pump as the picture 1 TIPS:The range of pressure regulation is limited. Please operate under the guidance of professional technicians, otherwise the machine may not work normally CAUTION Please do follow the instruction manual to install the product.
*There are any minor changes to the numbers included in the user manual without prior notice. Manufacturer: Xiamen Newmao Pump Co., Ltd Add：2nd Pak of Zone Ⅲ, Floor 3, Main Building of Huaxin General Facto;, No.
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