The key design factor in a VAV system is the control of. the supplied air. The terminal unit should be sized to. take advantage of as much of its potential capacity as. possible. Without this fundamental consideration, the. customer has not received the best value for their VAV. system design.
The amperage rating on the DC motor is not the amperage the treadmill will be using from your wall outlet. Most treadmills only need 10-12 amps from the wall (or less), so a 15 amp circuit is fine, regardless of the rating on the motor. Just look at the amperage rating on the treadmill to see what your wall outlet needs to supply. #2 see #1. #3 Current is always lost in the form of heat when used to power a device. Be it in the motor, the electronics or even the line supplying the current.
Beware that the calorie burn calculators on an elliptical trainer tend to overestimate calorie expenditure, which can dupe people into thinking they are burning more calories than they are. Treadmills offer more versatility and the motor of a treadmill forces you to work out of your comfort zone. If youâre an experienced exerciser, the treadmill offers the most calorie burn because youâre supporting your own body weight. The few extra calories you might burn on the treadmill come with greater potential for injury and stress on your joints, which is why the elliptical is an adequate alternative.