Preliminary Checks - Lennox FLATAIR KFC Series Installation And Operating Manual

3.- COMMISSIONING AND OPERATION

3.1.- PRELIMINARY CHECKS

Check that drain pipe connections and their fixtures are secure and that the level of the unit is tipped toward
1
the drain.
2
Inspect the state of the ducts and grilles (clean and open grilles, no breaks in the duct, etc.).
Check that the power supply is the same as stated on the Rating Plate which is in agreement with the electrical
3
diagram for the unit and that cable sizes are correct.
Check that tightness of the electrical connections to their terminals and to ground.
4
Check the control panel connections.
(If the connection is wrong, the unit will not operate and the control panel display will not light).
Check with your hand that the fans turn freely.
5
FIGURE FOR THE STANDARD UNIT CONFIGURATION FOR MODELS 24-28-30
Outdoor air
2
intake duct
Flexible joint
at Openings
Close the unit and check that there are no loose panels.
3
Power Supply
Control Panel
4
2
Outdoor discharge
duct
23
5
Fan access
Drain
1
pipe
Trap