It may be positive or negative with respect to gnd but most of the world runs on positive voltages like in a vehicle. 55v vcc gnd 5v 5v 5v.
Perkins L4 Workshop Manual
Vcc 20 p wiring diagram. Basic plain track wiring for dcc track feeders 20 24 gauge stranded track bus wires. This option simplifies wiring and cleans up the panel a bit. How to read the wiring diagrams wire colour codes a 9 wire colour codes wire colours are identified by the follow colour codes. Telephone wiring terminals 21 24. Enc cwc ckc vcc gnd. They are all supply voltages.
A axis wiring diagram cp w e nv g d vcc v pos gnd. Vcc is the power input of a device. Little giant 554220101 vcc 20 p low profile plenum rated condensate pump 115v overview designed for automatic collection and removal of condensate from air conditioning refrigeration and dehumidification equipment installed in air handling and plenum applications having limited space and where gravity drainage is not possible or practical. End cwd ckd vcc gnd. If you read a schematic diagram especially the ic pins you will notice that there are certain pins that we do not really know what it stand for. This other supply pin is labeled svcc which i guess is intended to mean signal vcc or signal supply btw these pins are given their funny names on page 2 of the data sheet in the table labeled pin definitions.
Connect the flying leads of an rj 31x cord to the terminals as shown. The vcc 20 p pump has been evaluated in accordance with ul2043 standard and it was found compliant with the standards requirements. The ademco vista 20p diagram inside the lid indicates the standard colors for each screw terminal making things easy. Engineering data specifications replacement parts item part number tank 154004 impeller 154009 volute 154015 cover motor 154006 check valve 154715 switch pump 950337 seal ring 928006 safety switch 154714 floatstem 154017 adapter 14 154037 head meters flow litershour head feet. Red red blu i blue yel yellow blk black wht white brn brown org orange grn green 5v 5 v. Vcc is the higher voltage with respect to gnd ground.
Code wire colour code wire colour b black p pink br brown r red g green sb sky blue gr gray si silver l blue v violet lg light green w white o orange y yellow if a cable has two colours the first of the two colour code. Ena cwa cka vcc gnd. 10 gauge 14 gauge solid conduit wire 14 gauge more than sufficient for 100 feet run in ho 3 feet ok between feeds closer on smaller code track. Gnd is normally at 0 zero volts or. Solder rail joints between feeders andor at. H g 0 7 s o r e h g 0 8.
Vcc collector supply voltage vee emitter supply vbb base supply voltage vdd drain supply vss source supply. Drive output circuit you can see what pvcc the motor. E n e c w e c k e v c c g n d. It does not have a power cord or electrical plug. The vcc 20 p pump has individual power conductors for making a hardwire connection to the power supply. Also if you look at page 8 of the data sheet at the diagram labeled 4.