Caudal√ ≠ Metro Caldera. MODE OF EMPLOYMENT: SITE The scale cursor in the nominal flow of the device. Let hot water fall inside the container by moving the cursor until the entrance and exit of water is stabilized without overflowing. Be√ at this time when we indicate the cursor the flow of consumption in liters minute of the device. F√≥ rmula of Lulo.: Power √∫tyl = at¬∫ x 60 minutes x liters h2o.