Here's what I think I need based on observations from using Z-4000 transformer for building lights - and am basing this on digital readings on Z-4000. If anyone can steer me towards a solution with model #s of transformers and controls and clear instructions on how to assemble the thing, I may be able to put it together:
Using handles of Z-4000 - I set voltage anywhere from 8 to 11 volts AC ~ amps on both handles read 4-5 each - this produces nice effects with building lights (not to dim and not too bright); problem is at the upper range of these settings (which is needed to activate blinking signs in the buildings that have them) the building lights pulse in sync with Z-4000 pulsing. This is an undesirable effect and ruins the point of lighting buildings- makes a crazy electronic noise as well.
Since I still need to hook up more buildings (a lot more actually) I will need power supply for the existing buildings and to-be-added ones. Based on observations with a single Z-4000 transformer - I would need at least two more transformers to handle just the building lights alone (some of my buildings are 10 stories tall with 2 lights per floor that's 20 lights ~ am guessing 2-3 watts per bulb that's nominally 50 watts for one building).
Based on those observations, is there anything I can buy at lesser price than Z-4000 units that will give similar control over brightness? I read some of your posts about DC transformers - but can DC outputs be controlled liked AC (adjusted brightness)? Not sure of other disadvantages of DC? If there is please give links to actual unit and controls or model #s along with instructions on how to put together. Sorry to be dense on this, but electronics are abstract to me - but with clear guidance on what to buy and how to assemble I think I can do it.
Thanks.
