Chapter 3 Electrical Installation 37
Table 3-1 Rated full load ampere (FLA) (unit: A)
Model Standard model
Standard model with
level 2 electric
heating
No humidifying,
level 1 electrical
heating
No humidifying,
level 2 electric
heating
Humidifying
without heating
No humidifying or
heating
P1020 24 33.1 24 33.1 21 14.9
P1025 26.1 35.2 26.1 35.2 23.1 17
P1030 33.1 42.2 33.1 42.2 30.1 24
P1035 35 44.1 35 44.1 32 25.9
P2035 42.6 56.2 42.6 56.2 41.2 29
P2040 42 47 33.4 47 42 29.8
P2045 48.4 62 48.4 62 47 34.8
P2050 46.2 49.1 35.5 49.1 46.2 34
P2055 53.4 67 53.4 67 52 39.8
P2060 60.2 60.2 48 57.9 60.2 48
P2070 64 64 51.8 59.8 64 51.8
P3070 65.3 70.3 53.1 70.3 65.3 53.1
P3080 71.1 73.2 58.9 73.2 71.1 58.9
P3090 82.3 81.5 70.1 82.3 82.3 70.1
P3100 92.3 92.3 80.1 86.5 92.3 80.1
Note:
The standard model is configured with the humidifier and the level 1 electric heating. Air-cooled unit FLA excludes the current
of the outdoor unit
3.2.3 Connecting Control Cables
The field connection terminals are located as shown in Figure 3-1, Figure 3-2 and Figure 3-3. The amplified figure is
shown in Figure 3-6. The upper part of the terminal block is connected to the unit, while the lower part serves as user
control signal interfaces.
External alarm output
of the smoke sensor
Connecting smoke
sensor and 91# is
the common terminal
Connecting
common alarm
terminal
50#, 51# and 55# are custom alarm
terminals and 24# is their common terminal
There is a shorting line respectively between
37# and 38#, between 37B# and 38B#, and
between 37C# and 38C#. Remove the shorting
line if the remote shut down signal is conneced
Figure 3-6 Field connection terminals
Note
The connection personnel must take anti-static measures before connecting the control cables.
Water-under-floor sensor
Each unit is equipped with one water-under-floor sensor. You should connect one end of the sensor to terminal 51#,
and the other end to the common terminal 24#.
Liebert.PEX2 Series Air Conditioner User Manual
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