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Lennox VRF Air Handler Indoor Unit
3.4 Wiring Requirements
(1) Power Cord Size and Air Switch Capacity
Model
VEAH024N432P
VEAH030N432P
VEAH034N432P
VEAH038N432P
VEAH048N432P
(1) Use copper wire only as unit‟s power cord. Operating temperature should be within its rated
value.
(2) If the power cord is more than 15 m (49-1/4 feet) long, please increase properly the sectional
area of power cord to avoid overload, which may cause accident.
(3) Above selection requirements: Power cord size is based on BV single-core wire (2~4pc) at
40° (104°F) Cambient temperature when laying across plastic pipe. Air switch is D type and
used at 40°C (104°F). If actual installation condition varies, please lower the capacity
appropriately according to the specifications of power cord and air switch provided by
manufacturer.
(4) Install cut-off device near the unit. The minimum distance between each stage of cut-off
device should be 3 mm (1/8 inch) (The same for both indoor unit and outdoor unit).
Power Cord Size
208/230V-1ph-60Hz
Air Switch
Minimum
apacity
Sectional Area
(A)
of Ground Wire
6
1.0
6
1.0
6
1.0
6
1.0
6
1.0
8
Minimum Sectional
Area of Power
2
Cord(mm
)
1.0
1.0
1.0
1.0
1.0
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