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Installation
Due to our policy of continuous product innovation, some specications may change without notication.
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AHU COMMUNICATIONS KIT INSTALLATION
Main Module Settings
UI7 (Analog Input) – ODU Capacity Control #2
ODU Capacity Control #2 is available when DIP SW2-1 is On. Each Master ODU has the same
operating ratio as shown in the table below.
Main Module
Note:
1.
ODU Capacity ratios mentioned in the table above are not exact.
2. Evaporative temperature / Condenser temperature’ may vary depending on system operating frequency,
pressure option setting and piping installationconditions.
Voltage (V)
ODU Capacity
ratio (%)
Eva. Temp. (Te)
Cond. Temp. (Tc)
V
Min. Max.
<1.0
-
0.7 Operation Off
- -
1.0 0.8 1.2 100
39.2 122.0
2.0 1.8 2.2 90
41.0 120.2
3.0 2.8 3.2 80
43.7 116.6
4.0 3.8 4.2 70
46.4 111.2
5.0 4.8 5.2 60
50.0 104.0
6.0 5.8 6.2 50
55.4 96.8
7.0 6.8 7.2 45
57.2 91.4
8.0 7.8 8.2 40
59.0 86.0
9.0> 8.8
-
Comp Off
- -
°F °F
3. The evaporator temperature is based on target low pressure of compressor. The actual temperature at
the evaporator may vary by pressure drop. Please contact your LG representative to design an AHU
heat exchanger.
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