Per the uniform building code section 3005.
Elevator machine room cooling load.
Being on the 18th floor even in the summer it is cold up there your ef by itself will do the job.
When solid state equipment is used to operate the elevators the elevator equipment room shall be provided with an independent ventilation or air conditioning system to prevent overheating of.
4 elevator machine rooms or enclosed areas shall be kept free of all materials except those used for repair or maintenance of the elevator.
I have an elevator room 6 cars so i have 6 ac to dc motor drives and 6 dc motors if there is no call for a car the drives shut down after a certain amount of time to figure the load i am going to measure the space temp on a sunday equiment off then measure at rush hour with all six running for at least an hour doing this when out side temps are the same this will give me a delta t and i know.
The system should be designed to keep the temperature and humidity within the recommendations of the elevator manufacturer.
3005 1 operation of solid state equipment.
When solid state equipment is used to operate the elevators the elevator equipment room shall be provided with an independent ventilation or air conditioning system to prevent overheating of the electrical equipment.
Passage to enclosed equipment installed within the elevator machine room to provide the ventilation required by section 3011 f 2 a.
1 1 2 to 2 tons per car if the elevators are fairly active.
Standby power the capacity of the emergency generator during a power outage in case of fire or other emergency must also handle the load of at least one elevator car that transits the entire building.
The best solution to this problem is to install a dedicated cooling system for the elevator equipment room.
Machine rooms shall be kept reasonably clean.
In addition to the impact loads you need to design the machine room floro itself for 125psf.
What are the requirements for cooling the elevator machine room.
Keep in mind you only need to maintain 90f in the room.
01 21 2006 02 49 pm 22.
Note that there are also extremely tight deflection limits to keep the elevator cabs from bouncing up and down as they reach each floor asme a17 1 recommends l 1666 under the static load prior to doubling for impact.
As for the size a 10 000 lbs elevator machine room is no more than 30hp motor no more that 3 ton of heat.
The loss of air between the hoistway and machine room should be adjusted for in the cooling load calculation for the machine room ac.
