Low-Voltage Control Wire Sizing; Electrical Data; Table 15 Recommended Minimum Wire Size; Table 16 Electrical Data-Standard Sound And Ambient Models (95°F/35°C) 60Hz - Liebert Prop Fan Condensing Unit User Manual

2.6.2

Low-Voltage Control Wire Sizing

Low-voltage wiring should be sized to allow a 1 volt maximum drop due to line resistance between the
evaporator and condensing unit. Use NEC Class 1 or 2 wiring according to wire routing conditions
chosen, local codes and application limits in Tables 14 and 15.
Table 15 Recommended minimum wire size
Max. Distance*
ft. (m)
50 (15)
100 (30)
150 (45)
* One-way control wire run between outdoor condensing unit and evaporator.
2.7

Electrical Data

Table 16 Electrical data—Standard sound and ambient models (95°F/35°C) 60Hz
Nominal
Capacity
Model # Tons
14 1
20 1.5
27 2
37 3
42 3.5
67 5
96 8
* FLA = Full Load Amps
WSA = Wire Size Amps (minimum supply circuit current capacity)
OPD = Overcurrent Protection Device (fuse or circuit breaker)
Min. Wire Gauge
2
AWG (mm )
20 (0.75)
18 (1.0)
16 (1.5)
* Electrical
Characteristic 208/230-1
FLA
WSA 11.0
OPD
FLA 12.1
WSA 14.8
OPD
FLA 13.4
WSA 16.4
OPD
FLA 18.5
WSA 22.8
OPD
FLA
WSA
OPD
FLA
WSA
OPD
FLA
WSA
OPD
Input Voltage- Phase
208/230-3 460-3
9.1 — —
— —
15 — —
— —
— —
25 — —
— —
— —
25 — —
13.4 7.1
16.4 8.7
35 25 15
— 15.0 7.1
— 18.4 8.7
— 30 15
— 24.1 11.7
— 29.3 14.2
— 45 20
— 36.2 18.1
— 41.4 20.6
— 60 30
22
Installation
575-3
—
—
—
—
—
—
—
—
—
5.8
7.0
15
6.0
7.2
15
9.1
11.1
15
13.4
15.3
20