Wiring Diagrams Electrical Wiring Diagrams - Lennox FLEXY FC 050 Series Installation - Operating & Maintenance Manuel

ELECTRICITY ELECTRICITY ELECTRICITY ELECTRICITY ELECTRICITY
The power cable should be connected to the main
isolating switch and is fed from the underside of the
unit into the electrical panel.
Refer to the general arrangement drawings in the
documentation to locate the exact entry position.
The power cable sizes must be calculated with
reference to the electrical characteristics of your
machine.
We are unable to state the cross sectional area of
the cable as it is directly related to the type of cable
Items
Supply/ Transformers .......................................................................................................................................................... 60
Full fresh air damper activator ............................................................................................................. 07 ......................... 64
Economizer damper activator ............................................................................................................. 05 ......................... 63
Exhaust damper activator .................................................................................................................... 06 ......................... 63
Gas burner ............................................................................................................................ 4.1
Supply ........................................................................................................................................................................... 60
Control ......................................................................................................................................................................... 63/65
Internal wiring .............................................................................................................................................................. 66/67
Electrical coil ....................................................................................................................................... 02
Power wiring .................................................................................................................................................................. 60
Control ........................................................................................................................................................................... 63
Thermal safety .............................................................................................................................................................. 64
Water coil ............................................................................................................................................ 03
3-way valve ................................................................................................................................................................... 63
Antifreeze thermostat .................................................................................................................................................... 64
Supply fans .......................................................................................................................................................................... 60
Condensing fans/ Exhaust .................................................................................................................................................. 61
Exhaust roofcurb ................................................................................................................................ 06
Supply ........................................................................................................................................................................... 60
Motors safety ................................................................................................................................................................. 64
Compressors
Compressors ................................................................................................................................................................. 61
Crankcase heaters ........................................................................................................................................................ 61
Reversing valve .................................................................................................................................. 01 ......................... 64
Air sock ............................................................................................................................................... 14 ......................... 60
FX drain pan electric heater ................................................................................................................................................ 61
Displays
KP02 maintenance ........................................................................................................................ 11 .......................... 62
KP17 comfort ................................................................................................................................ 17 .......................... 62
KP07 .............................................................................................................................................. 12 .......................... 62
Sensors
Room temperature ...................................................................................................................... BT10 ........................ 63
Outdoor temperature ................................................................................................................... BT11 ........................ 63
Supply temperature ..................................................................................................................... BT12 ........................ 63
Water coil temperature ............................................................................................................... BT13 ........................ 63
Room humidity ............................................................................................................................ BH10 ....................... 63
Outdoor humidity ......................................................................................................................... BH11 ........................ 63
IAQ sensor ................................................................................................................................... 13 ......................... 63
Compressor pressure sensor .............................................................................................................................................. 63
Firestat ................................................................................................................................................ 08 ....................... 64/65
Smoke detector .................................................................................................................................. 09
CLIMATIC ™ Connexion .......................................................................................................................................... 63/64/65
Smoke detector wiring .................................................................................................................................................. 68
BMS contacts kit .................................................................................................................................................................. 68
you are using, the distance separating the equipment
from the source but also various factors relating to
the cable fitting.
In the following pages you will find references to
electrical diagrams which will allow you to select the
wiring for your equipment.
As the diagrams are valid for the entire range, they
will refer to items not included in your scope of
supply.
Mark
4.2
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