WP6-Brochure-E4 brochure - ELA European Lift Association.

the lift, but does not include additional equipment such as the machine room ventilation or
shaft lighting. Thermal losses in buildings from shaft ventilation are also not part of the audits.
Figure 5‐3. Lift installation and measuring points (marked orange) (source: Fraunhofer‐ISI)
The electrical power demand of both the 3‐phase power coupling for the drive circuit and the
single phase power coupling for the lift ancillary circuit were monitored. Figure 5‐3 shows the
measuring points used for the German monitoring campaign. For some lifts it was not possible
to differentiate between the two branches of power supply, e.g. for reasons of accessibility;
for these installations, the energy consumption was measured before the splitting point (see
Figure 5‐1, Figure 5‐3).
The methodology considers energy measurement relating to the normal operation of the lift,
escalator and moving walk including:
a) Main energy ‐ elevating/escalating/moving walk equipment such as: motor, frequency
converter, controls, brake and door.
b) Ancillary energy ‐ car auxiliary equipment such as: light, fan, alarm system, etc.
Other consumption such as hoistway and machine room illumination, heating, ventilation and
air conditioning were excluded from the measurements.
The reference measurement cycle for lifts, starting at the bottom landing, consists of:
1. Opening the Door
2. Closing the Door
3. Driving the car from the bottom landing to the top landing, without passengers
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