Elevator Machine Room Temperature Requirements

Control room must be of adequate size to provide clearances around and between equipment as required by code.

Elevator machine room temperature requirements.

Specified by the elevator equipment manufacturer to ensure safe and normal operation of the elevator. Anyone using the room should have enough room to remove replace inspect and maintain elevator equipment. The room environment is also subject to regulations. A where mechanical ventilation equipment is provided it shall be located outside the elevator machine room where possible.

For example in california the ventilation system must keep the temperature below 104 degrees fahrenheit at all times. In general the maximum allowable temperature in the room is 90 f and the heat generated to the space is a minimum of 9 000 btuh. The temperature and humidity range shall be permanently posted in the machine room control room control space or where specified by the equipment manufacturer in the machinery space. A clean and dry elevator pit and machine control room provided asme a17 1 rule 2 1 2 machine control room meets manufacturer s requirement of preserving ambient temperature control and humidity asme a17 1 rule 2 7 9.

Most building elevator mechanics and manufacturers maintain elevator machine rooms between 60 f and 80 f with 35 to 60 relative humidity. The area of refuge provided for the judiciary in the event of emergency conditions shall be provided with adequate ventilation energized from the emergency power distribution system and sufficient heating capacity to maintain space temperature of 21 c 70 f with design winter outdoor temperature. Machinery spaces machine rooms control spaces and control rooms shall be provided with natural or mechanical means to keep the ambient air temperature in the range of 50 f to 90 f and humidity in the range specified by the elevator equipment manufacturer to ensure safe and normal operation of the elevator. 2 machine rooms shall be provided with uniform natural or mechanical ventilation of sufficient capacity to maintain a temperature of not more than 104o f 40o c regardless of outside temperature.

How do we maintain these new elevator equipment room temperatures below 90 f and what other precautions should be put in place. Asme a17 1 the safety code for elevators and escalators requires machine room temperature to be as determined by the elevator manufacturer. Replace the first sentence as follows but otherwise retain the paragraph.