March Products Water Pump User's Manual
Contents
1. 2a MARCH PUMPS A Oe ee eee 1819 PICKWICK AVE GLENVIEW IL 60026 1306 U S A PHONE 847 729 5300 FAX 847 729 7062 WWW MARCHPUMP COM INSTRUCTIONS amp REPAIR PARTS FOR MODEL 809 SERIES MAGNE BOOST HOT WATER PUMP DESCRIPTION Your March hot water booster pump is a non self priming unit build to handle liquid transfer in heating and cooling operations Applications include home heating systems solar heating systems heat recovery systems and recirculating water in domestic and commercial hot water tanks Contact the factory for applications other than those listed and for liquids other than water SPECIFICATIONS INLET AND OUTLET CONNECTIONS Yo MPT or 5 8 Flare Tube Conn Or Center Inlet Style ELECTRICAL 809 115 Volts 60 Hz 1 Phase 30 Watts 0 3 Amps 1600 RPM 1 100 HP 809 HS 115 Volts 60 Hz 1 Phase 80 Watts 1 2 Amps 3400 RPM 1 25 HP 809 HS 815 115 Volts 60 Hz 1 Phase 85 Watts 1 4 Amps 3400 RPM 1 25 HP MAXIMUM LIQUID TEMPERATURE 250 F CONSTRUCTION Bronze Stainless Steel Ryton Plastic DIMENSIONS Height over Threads 4 7 8 Width 3 3 8 Length w 1600 RPM Mtr 6 1 2 Length w 3400 RPM Mtr 7 1 2 CAPACITY 809 1600 RPM 3 1 GPM Maximum and 1 8 PSI Maximum 809 HS 3400 RPM 5 3 GPM Maximum and 5 0 PSI Maximum 809 HS 815 3400 RPM 5 5 GPM and 6 53 PSI Maximum APPROVAL Motors are U L Yellow Card listed impedance protected or thermal overload Protected Complete under U L file E80954 U2. L recognition on pumps file E80954 is for water only INSTALLATIONS The 809 Series pump is assembled and ready for installation The pump should be mounted with the Electric Conduit Box Item 15 on the bottom The oil ports will then be on the top of the motor The pump housing should be installed with the arrow on our housing pointing in the direction of the water flow within the system If the arrow indicating water flow is not in the direction you require when the motor is in position remove the four round housing screws Item 1 holding the housing to the motor assembly and rotate the housing assembly as required Replace the four screws and tighten The pump is made up of two basics sub assemblies They are the Wet End Assembly Items 1 10 and the Drive Magnet Bracket and Motor Assembly Items 11 15 To separate the 2 assemblies simply remove the 4 round head screws Item 1 The pump will then separate into the 2 sub assemblies The water will still be contained within the Wet End assembly unless you loosen the screws Item 10 on the rear of the Wet End assembly LUBRICATION The motor should be oiled at least once a year at the start of the heating season with 4 or 5 drops of SAE 20 weight non detergent oil in each bearing If the pump is used year around it should be oiled every six months Do not over oil No oiling is required on the ball bearing motors GENERAL SAFETY INFORMATION Follow all local electrical and safety codes and the
3. MPT Pump Housing Plastic w MPT O Ring Silicon Rubber used in bronze housing 2a amp b O Ring Silicon Rubber used in plastic housing 2c Impeller Shaft w D Flat 0 Impeller amp Magnet Assembly 2 Dia 1600 RPM 809 0809 0005 010 Impeller Magnet Housing 8 x 3 8 Long Rd Hd Screw Old Style Housings Require Threaded Imp Shaft 4a New Housings Require Round Imp Shaft with D Flat 4b 0809 0012 1000 0135 0040 1000 6 Impeller amp Magnet Assembly 2 5 32 Dia 3400 RPM 815 9 ImpellerMagnetHousing o o Z o Z o Y O 1 LIMITED WARRANTY March pumps are guaranteed only against defects in workmanship or materials for a period of one year from date of manufacture pumping water On all other solutions contact the factory for application assistance March Pump Application Worksheet 750 130 10 is available for additional warranty information MARCH MANUFACTURING INC 1819 PICKWICK AVE GLENVIEW IL 60026 1306 U S A PHONE 847 729 5300 FAX 847 729 7062 www marchpump com 0809 0053 1000 R11
4. Occupational Safety and Health Act OSHA Make certain that the power source conforms to the requirements of your equipment Always disconnect power source before performing any work on or near the electric motor Caution must be exercised to relieve any pressure in the system and in draining hot water from the pump or the system DISASSEMBLY AND REASSEMBLY 1 The motor assembly Item 15 can be removed from the Wet End assembly without having to drain the liquid out of the system 2 Remove four screws Item 1 and slide the motor assembly away from the Wet End assembly 3 lf you must replace parts inside the pump housing assembly then first close off the valves that supply water to the heating system or to the hot water tank Drain the system to relieve any pressure 4 After the system is drained and cool enough to handle then remove the four screws Item 10 on the rear of the housing 5 The impeller magnet housing Item 9 can now be removed It may be snug fit into the pump housing and it may be necessary to pry evenly under the four ears to loosen it 6 Remaining pump parts can now be lifted out in sequence as shown on the exploded view Replace any worn or damaged parts Replace the O ring Item 3 anytime the impeller magnet housing is removed Note Pumps with 12 and 24 volt motors are available Contact the factory for more information REPAIR PARTS LIST DESCRIPTION Pump Housing w 1 2
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