MDM SEQUENCE ALPHA PRIMER 3200PRM15 Installation And Service Manual page 4

MAINTENANCE
Lubrication
Motor - Permanently Lubricated ball bearings - no service required.
Rotary Seal - Requires no lubrication after assembly.
SYMPTOM
No Flow
Low Flow
Sporadic Operation
Excessive Noise
MDM INCORPORATED
3345 N. Cascade Ave • Colorado Springs, CO • 80907
Phone (719) 634-8202 • Fax (866) 425-1346
www.mdminc.com • sales@mdminc.com
PROUDLY MADE
IN THE USA
PROBLEM
Insufficient Prime
Insufficient Power
Flow Restriction
Air leak
System Incompatibility
Air leak
System Incompatibility
Insufficient Power
Flow Restriction
Insufficient Prime
Cavitation
Insufficient Power
Poor Ventilation
Cavitation
Insufficient Power
Flow Restriction
Reliable. Efficient.
ALPHA PRIMER
®
WARNING: EYE PROTECTION IS STRONGLY RECOMMENDED
*The pump must be drained before servicing or if stored below freezing
temperatures. Periodic replacement of seals may be required due to normal
carbon wear.
RESOLUTION
Prime system with water and purge all air from suction piping.
Install check valve.
Verify power supply and connection from panel to pump.
Verify proper voltage. Some models are dual voltage (115/230).
Ensure valves are open.
Ensure plumbing is clear, including suction strainers, check valves, etc.
Verify check valve orientation and direction of permitted flow.
Clean out leaves or other debris from basket strainer (if applicable).
Fix air leaks at fittings, connections, strainer basket etc. This typically occurs on the intake side.
Verify hydraulic compatibility: i.e. pump & pipe are sized for the system.
Fix air leaks at fittings, connections, strainer basket etc. This typically occurs on the intake side.
Verify hydraulic compatibility: i.e. pump & pipe are sized for the system.
Verify power supply and connection from panel to pump.
Verify proper voltage. Some models are dual voltage (115/230).
Ensure valves are open.
Ensure plumbing is clear, including suction strainers, check valves, etc.
Clean out leaves or other debris from basket strainer (if applicable).
Prime system with water and purge all air from suction piping.
Verify airtight plumbing on the suction plumbing especially fittings.
Clean out leaves or other debris from basket strainer (if applicable).
Increase pipe size where possible.
Decrease suction pipe length, reduce the number of elbows, etc.
Verify hydraulic compatibility: i.e. pump and pipe are sized for the system.
Verify power supply and connection from panel to pump.
Verify proper voltage. Some models are dual voltage (115/230).
Ensure adequate airflow over motor to prevent overheating.
Verify airtight plumbing on the suction plumbing especially fittings.
Clean out leaves or other debris from basket strainer (if applicable).
Increase pipe size where possible.
Decrease suction pipe length, reduce the number of elbows, etc.
Verify hydraulic compatibility: i.e. pump and pipe are sized for the system.
Verify power supply and connection from panel to pump.
Verify proper voltage. Some models are dual voltage (115/230).
Ensure valves are open.
Ensure plumbing is clear, including suction strainers, check valves, etc.
Verify check valve orientation and direction of permitted flow.
Gasgacinch ® is a registered trademark of Porter Manufacturing.
Teflon is a registered trademark of the Chemours Corporation.
®
Sequence is a registered trademark of MDM Incorporated.
®
Sequence Alpha Primer Installation Manual 2021.indd. Adobe Indesign CC. Updated 05/13/21.
© MDM INCORPORATED
WWW.MDMINC.COM
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