Check List - Liebert DM Series User Manual

DataMate3000
control board

3.7 Check list

After the system electrical installation is completed, the following requirements should be met:
1. No open-circuit or short-circuit in the electrical connection exists.
2. The power voltage is the same as the rated voltage on the unit nameplate.
3. The power cables and earth cables connected to the disconnect switch, indoor unit and outdoor unit are connected
properly.
4. The circuit breakers or fuses have proper ratings for equipment installed.
5. The control connections are completed.
6. All wiring and connector connections are tight. The fixing bolts are tight.
After confirming the preceding points, you can plug the display board connecting terminals, restore the front door, and
then start start-up inspection & function testing.
DataMate3000
control board
Figure 3-12 Connection of single card
Energy-saving
card 0 (short
J8.2 and J8.3)
Figure 3-13 Connection of multi-cards
New Liebert_DM Series Air Conditioner User Manual
Chapter 3 Electrical Installation
Energy-saving card 0
(short J8.1 and J8.2)
Energy-saving Energy-saving
card 1 (short card 2 (short
J8.2 and J8.3) J8.2 and J8.3)
23
Energy-saving
card 3 (short
J8.1 and J8.2)