Lennox CMC 020S, Инструкция по установке, эксплуатации и обслуживанию

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B A B A
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THE VENTILATION IS FORMED BY:
1.- Centrifugal fan ( single or double).
2.- Activating motor.
3.- Fixed pulley at the fan.
4.- Adjustable pulley at the motor fan.
5.- transmission pulley or pulleys.
6.- Base of the motor with displacement system for
tensioning of belts.
7.- Tensing screw.
FLOW REGULATION IN THE FANS
The fan in the outdoors units have a variable pulley incorporated into the activating motor, by which it is possible to vary,
when the fan is of
f its diameter to modify the air fl ow of the unit, as required.
1. Fixed part
2. Mobil part
3. Fixing screw
CLOSE PULLEY:
To increase the fan fl ow, turn the mobile part in
direction “B” (Clock wise).
OPEN PULLEY:
To reduce the fl ow, turn in direction “A”
(Unclock wise).
TENSION OF BELTS
The belts can be easily tensioned through the
tensing screw incorporated into the bases of
the motor of the transmitting units which also
enables a good servicing to be carried out.
When the tensing screw is moved, the motor
fan is moved to the sides in order to tension
the pulley.
DISPLACEMENT
SIMPLE PULLEY DOUBLE PULLEY
VARIABLE PULLEYS
2.3.- OPTIONAL OPERATIONS PRIOR TO UNIT INSTALATION
2.- INSTALLATION
INDOOR SECTION
OUTDOOR SECTION