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TM
DYNA-GLAS CENTRIFUGAL PUMPS
WITH INTEGRAL TRAP
O W N E R’ S M A N U A L
INSTALLATION, OPERATION & PARTS
5MPRA Series MODELS
5MPRA6C-146 5MPRA6C3-146
5MPRA6D-147 5MPRA6D3-147
5MPRA6E-148 5MPRA6E3-148
5MPRA6F-156 5MPRA6F3-156
This manual should be furnished to
the end user of this pump; its use will
reduce service calls and chance of
injury and will lengthen pump life.
STA-RITE FOREIGN SALES CORP.
175 WRIGHT STREET, DELAVAN, WISCONSIN 53115 USA
Telephone: (414) 728-5551; Telefax: (414) 728-446
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‘5MPRA’ SERIES PUMP WITH TRAP To avoid unneeded service calls, prevent possible injuries, and get the most out of your pump, READ THIS MANUAL CAREFULLY! The Sta-Rite ‘5MPRA’ Series Self-priming Centrifugal pump: • Is designed for use with swimming pools or as a centrifugal pump. • Is an excellent performer; durable, reliable. Table of Contents Warranty.......................................................................................................2 Safety Instructions ....................
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READ AND FOLLOW ALL IMPORTANT INSTRUCTIONS! SAFETY This is the safety alert symbol. When you see this symbol on your system INSTRUCTIONS or in this manual, look for one of the following signal words and be alert Always follow basic safety pre- to the potential for personal injury. cautions with this equipment, in- cluding the following. warns about hazards that will cause death, serious personal injury, or major property damage if ignored. To reduce the risk of injury, do not permit children t
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STRAINER BASKET COVER DISCHARGE PORT NOTICE: Port threads TO FILTER OR POOL are: Internal - 2" NPT for direct connection to pipe. External - 3-1/4" SUCTION Buttress. Fits Sta-Rite PORT U11-200P Union Half FROM POOL for quick disconnect OR pipe connection. VACUUM FILTERS PUMP MAY BE BOLTED TO LEVEL FOUNDATION OR MOUNTING BRACKET Figure 1 INSTALLATION Only qualified, licensed personnel should install pump and wiring. Pump mount must: Be solid - Level - Rigid - Vibration free. (To reduce vibration
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Piping: Use at least 1-1/2" (38mm) pipe (use 2"(51mm) pipe if possible). Increase size if a long run is needed. When using 1-1/2" pipe, connect to pump with 1-1/2" to 2" (38 to 51mm) reducing adapter. To avoid strains on the pump, support both suction and discharge pipes inde- pendently. Place these supports near the pump. To avoid a strain left by a gap at the last connection, start all piping at the pump and run pipe away from the pump. To avoid airlocking, slope suction pipe slightly upward t
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ELECTRICAL Ground motor before connecting to electrical power supply. Failure to ground motor can cause severe or fatal electrical shock hazard. Do not ground to a gas supply line. To avoid dangerous or fatal electrical shock, turn OFF power to motor before working on electrical connections. Ground Fault Circuit Interrupter (GFCI) tripping indicates an electrical problem. If GFCI trips and will not reset, have a qualified electrician inspect and repair electrical system. Hazardous voltage. Exact
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OPERATION NOTICE: NEVER run pump dry. Running pump dry may damage seals, caus- ing leakage and flooding. Fill pump with water before starting motor. Before removing trap cover: 1. STOP PUMP before proceeding. 2. CLOSE GATE VALVES in suction and discharge pipes. 3. RELEASE ALL PRESSURE from pump and piping system. If pump is being pressure tested, be sure pressure has been released be- fore removing trap cover. Do not block pump suction. To do so with body may cause severe or fatal injury. Small
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Drain all water from pump and piping when expecting freezing temperatures or when storing pump for a long time (see instructions below). Keep motor dry and covered during storage. To avoid condensation/corrosion problems, do not cover pump with plastic. For outdoor/unprotected installations: 1. Enclose entire system in a weatherproof enclosure. 2. To avoid condensation/corrosion damage, allow ventilation; do not wrap system in plastic. 3. Use a 40% propylene glycol/60% water solution to protect
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PUMP SERVICE Pump should only be serviced by qualified personnel. Be sure to prime pump (Pg. 7) before starting. Before removing trap cover: 1. STOP PUMP before proceeding. 2. CLOSE GATE VALVES in suction and discharge pipes. 3. RELEASE ALL PRESSURE from pump and piping system. To avoid dangerous or fatal electrical shock hazard, turn OFF power to motor before working on pump or motor. Aside from lubricating trap cover “O” Ring, no lubrication or regular mainte- nance is needed beyond reasonable
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Pump Reassembly/Installing New Seal 1. Ceramic seat must be clean and free of dirt, grease, dust, etc. Wet outer edge with small amount of liquid detergent; press ceramic seat into seal plate cavity firmly and squarely with finger pressure (Fig. 6). 2. If ceramic seat will not locate properly, remove it, place face up on bench and reclean cavity. Ceramic seat should now locate. 3. If seat still will not locate properly, place a cardboard washer over the polished face and use a piece of 3/4" (19m
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Clogged pipe/trap/impeller, worn impeller: 7. Make sure suction trap is not clogged; if it is, clean trap and strainer. 8. Make sure impeller is not clogged (follow steps 1 through 7 under “Removing Old Seal”, Page 9; check impeller for clogging; follow steps 7 through 11 under “Installing New Seal”, Page 10, for reassembly). 9. Impeller and diffuser may be worn. If so, order replacement parts from Repair Parts List, Page 12. Electrical: 10. Pump may be running too slowly; check voltage at motor
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1 2 3 BOX A For quick disconnect pipe 4 5 connection parts: 6 Box A 7 Adapter Union Pkg 8 ..................... 11201-0153 8A 8B 12 9 O-Rings (2) .................... 35505-1318 10 23 13 14 11 22 21 20 15A 19 Box A 18 17 16 15B 012 0394 REPAIR PARTS LIST DYNAGLAS POOL PUMP 1/2 through 1-1/2 HP Models Parts are common to all models listed except as Key Part noted: Key Nos. 1, Motor; 8, Impeller; and No. Description Qty. 9, Diffuser are listed below. 1 Motor 115/230 Volt/1 Phase 1 Chart at right
