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SubDrive Duplex Alternator

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  Model Name Part Number                         Use with SubDrive Series

SubDrive Duplex 
Alternator

5850012000

5870203380    SubDrive75 NEMA 1
5870203384    SubDrive75 NEMA 4
5870204100    SubDrive100 NEMA 1
5870204104    SubDrive100 NEMA 4
5870204150    SubDrive150 NEMA 1
5870204154    SubDrive150 NEMA 4
5870206300    SubDrive300 NEMA 4
5870203223    SubDrive2W
5870203110    MonoDrive NEMA 1
5870203114    MonoDrive NEMA 4
5870204110    MonoDriveXT NEMA 1
5870204114    MonoDriveXT NEMA 4
90401101        Inline 1100
90411101        Inline CP

Table 1: SubDrive and MonoDrive Models

Note: 

SubDrive Duplex Alternator will work with any combination of the listed 

Franklin Electric

 SubDrives/MonoDrives .

Descriptions and Features

The Franklin Electric SubDrive Duplex Alternator allows for two Franklin Electric 
SubDrive units to operate on the same water system and share the work load 
equally. The Alternator will alternate between the two SubDrive units when the 

defined amount of run time has been reached. The Alternator is specifically 

designed for use with Franklin Electric SubDrive products (see Table 1 above).

 Key features of the Alternator include the following:

 

•  Works with entire SubDrive    

 

 

 

 

 

 

  product family 

 

•  Selectable alternate timing

 

•  Pump status indicator lights

 

•  Fault detection

 

•  Fail safe operation

 

•  Manual override push-button

 

•  Alarm circuit contacts

 

•  NEMA 4 enclosure

 

•  Low voltage wiring connections

Summary of Contents for SubDrive Duplex Alternator

Page 1: ...Installation Manual SubDrive Duplex Alternator ...

Page 2: ...e 9 Wiring Connections 10 13 Start Up and Operation 13 14 Mounting Dimensions 15 Accessories 15 Diagnostic Fault Codes 16 Specifications 17 Appendix 1 Duplex Inline Constant Pressure Quick Reference Guide 18 Tables 1 SubDrive MonoDrive and Inline Models 3 Figures 1 Mounting Screws 9 2 Drive Sensor Cable Connections 10 3 Pressure Sensor Connections 11 4 Alarm Connections 13 SubDrive Duplex Alternat...

Page 3: ...work with any combination of the listed Franklin Electric SubDrives MonoDrives Descriptions and Features The Franklin Electric SubDrive Duplex Alternator allows for two Franklin Electric SubDrive units to operate on the same water system and share the work load equally The Alternator will alternate between the two SubDrive units when the defined amount of run time has been reached The Alternator i...

Page 4: ...ensor Cable Pressure Sensors 4 conductor C Sensor Cable SubDrives 2 conductor X2 D Mounting Brackets E Outdoor Rated 120 VAC 12 VAC Transformer F Transformer Output Cable G Rubber Plug H Installation Manual Installation Manual SubDrive Duplex Alternator A B C D F E G H ...

Page 5: ...tically start and provide additional water After the primary drive has reached its defined amount of run time the Alternator will interchange the pressure sensors thus causing the two drive units to switch roles System Diagnostics In addition to alternating the two drive systems the Alternator monitors the two systems to see if they are meeting the water demand as expected If a system is not meeti...

Page 6: ...f SubDrive products from Franklin Electric one model fits all s WARNING For the indoor outdoor transformer note the following Risk of fire If installation involves running wiring through a building structure special wiring methods are needed Consult a qualified electrician Not for use with dimmers Before Getting Started s ATTENTION This equipment should be installed by technically qualified person...

Page 7: ...operly the Alternator enclosure is suitable for indoor or outdoor installations see Installation Procedure section for details pg 9 4 The Alternator should only be mounted with the wiring end oriented downward The controller should not be placed in direct sunlight 5 The mounting location should have access to 115 VAC electrical supply For outdoor installations the indoor outdoor transformer must b...

Page 8: ...able Supplied Pump 1 Pump 2 Motor 1 PRESSURE SENSORS 12 VAC DRIVES 1 2 1 2 PS HI PS LO SD1 SD2 1 2 1 2 ALARM 24VAC 1A MAX 24 VDC 0 5A MAX Drive Sensor Cables GFCI Outlet Drive 2 Drive 1 Motor 2 To Power Source To Power Source Outdoor outlet cover for outdoor use Motor Cable Motor Cable Pressure Sensor When installing an Alternator with a SubDrive 300 do not hook up the pressure shut off sensor to ...

Page 9: ...ssure tank should be between the pressure sensors and the pump The sensors have a 18 National Pipe Thread NPT connection 5 Mount the Alternator unit in a suitable location using four mounting screws not included as shown in Figure 1 below Figure 1 Mounting Screws Mounting Screw Locations User Supplied Quantity 4 Rear View Front View Note For installation procedures for the Duplex Inline Constant P...

Page 10: ...te leads linking the pressure shut off switch to its connections on the SubDrive300 B For all other SubDrives cut off the quick connect ends and strip the wire to make a two conductor cable with stripped leads at both ends 4 Repeat step 3 for Drive 2 but connect Drive 2 s pressure sensor cable to the Alternator s terminal block labeled SD2 on the right side Figure 2 Drive Sensor Cable Connections ...

Page 11: ...rated for use indoor or outdoor so it can be mounted in any convenient location 6 Open Circuit Check After completing steps 1 5 do the following A Apply power to the Alternator without applying power to the drives B The indicator lights should all be OFF except for the orange 1 hour switching interval light If the Alternator s red light flashes it means that there is an open circuit to one of the ...

Page 12: ...The two pressure sensors communicate the system pressure to the SubDrive units The Alternator requires that the pressure sensors have at least a 3 psi differential The sensor connected to the Alternator s PS HI terminal must be the one set higher than the other sensor The sensors are preset at the factory to 50 psi but must be adjusted by the installer using the following procedure A Remove the ru...

Page 13: ...arger center strain relief to 55 60 in lbs to maximize the unit s weather protection PRESSURE SENSORS 12 VAC DRIVES 1 2 1 2 PS HI PS LO SD1 SD2 1 2 1 2 ALARM 24VAC 1A MAX 24 VDC 0 5A MAX Alternator PRESSURE SENSORS 12 VAC DRIVES 1 2 1 2 PS HI PS LO SD1 SD2 1 2 1 2 ALARM 24VAC 1A MAX 24 VDC 0 5A MAX Load 24 VAC 1A Max 24 VDC 0 5A Max Use the rubber pull plug on the unused strain relief to seal the ...

Page 14: ...ith the system While it s looking the Alternator will alternate the two drives back and forth a few times After performing the check the Alternator will either declare a fault or leave the system as it was if no problem was found Manual Override Clear Fault Button The manual override button allows the user to switch which SubDrive system is the primary system at any time When the user presses the ...

Page 15: ... 5 80 Accessories Duplex to Pressure Sensor Cable Kit 22 AWG 4 conductor pressure sensor cable 10 feet 225597901 100 feet 225597902 Drive to Duplex Cable Kit 22 AWG 2 conductor pressure sensor cable 10 feet 225597903 100 feet 225597904 Indoor Outdoor Transformer Kit 225597905 ...

Page 16: ... 2 down or shorted low pressure sensor System 2 is not meeting demand properly or lower set pressure sensor is shorted Check Drive 2 s front panel for possible fault code and follow corrective actions for that fault code Make sure that Drive 2 has a green light i e it has power If there is no fault code and a green light is present check the lower set pressure sensor to see if its contacts are sho...

Page 17: ...psi Operating Conditions NEMA 4 indoor outdoor Model 5850012000 Temperature 13 to 125 ºF 25 to 51 ºC Relative humidity 0 100 non condensing or condensing Controller Size approximate Outer dimensions 5 9 H x 5 9 W x 3 6 D Weight 1 3 lbs 0 59 kg For Use With Franklin Electric SubDrives MonoDrives All models see Table 1 pg 3 for details Note A Power is on the secondary side of Transformer B Pressure ...

Page 18: ...revention device a check valve is required on the incoming water supply line NOTES 1 These optional components are shown in a typical installation diagram They should be used at the installer s discretion as required for particular applications 2 If the optional high pressure shut off kits 305707912 are being used on this duplex Inline Constant Pressure System they should be installed as per the s...

Page 19: ...Notes 19 ...

Page 20: ... A FRIEND Franklin Electric Submersible Service Hotline 800 348 2420 225589101 REV 3 M1557 06 11 400 East Spring Street Bluffton Indiana 46714 Tel 260 824 2900 Fax 260 824 2909 www franklin electric com 2 2 5 5 8 9 1 0 1 ...

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