AIR HANDLING UNIT FUTURE
INSTRUCTIONS FOR OPERATION AND MAINTENANCE
Heat recovery secon, rotor FRTR
24 V. 2.0 2017-02-13
Replacement of drive belt
Tighten the belt around the heat exchanger and pulley. Cut the belt to a length that allows it to fit snugly over
the pulley. When fastened, the belt expands automatically to the correct tension, due to the spring load of the
motor mountings.
Tightening the rotor belt The limit switch on the motor bed of the rotor