Dumbwaiters:
VVVF system
Applicable to all steel
Applicable to both hydraulic and traction
Ability of heating system installation
Some of advantages of this system :
Quiet and smooth movement
Digging not needed
It has not the cost of 3 phase electricity power
Easy and fast installation
High safety (because there is no wire ropes)
40% lower usage of electricity (the engine is turned off when moving down)
Emergency system for outage
Powerhouse not needed at the top of apartment (decreases the weight on apartment and increases the resident's calmness)
Can be run with single phase and 3 phase electricity power
Low cost for maintenance and services
Durable and high quality of hardware
Flexibility and mobility
Using in:
Kitchens
Stores
Restauran ts
Fast-food
Department stores
Hospitals
