Liebert CR035 - Electrical field connecions descriptions (50 Hz)

62 Appendix 4 Refrigerant, Hydraulic And Electrical Connections
Liebert.CRV Series Air Conditioner User Manual
9
13 6 12
10
X1
0
62
24 105 121 106 24
51
128
0 0
29
24
121 121 125 127 126 401 400 300 402 302 301 50 19
X1.1
29
51 52 53 53 54 054 55 73 22 G0 70 71 72 82 83 84 Y2 63 81 61 61
Wire bridge
24
24 0 0
815
710 710
7
11
1
3
5
2
4
395
16
Figure 14 Electrical board layout (50Hz)
Electrical field connecions descriptions (50Hz)
1. Standard electrical connections
1) Primary high voltage entrance - 64mm; 44mm; 35mm diameter concentric knockouts located in bottom of the box.
2) Secondary high voltage entrance - 64mm; 44mm; 35mm diameter concentric knockouts located in top of the box.
3) Primary low voltage entrance - Quantity: 3, 28mm diameter knockouts located in bottom of the unit.
4) Secondary low voltage entrance - Quantity: 3, 28mm diameter knockouts located in top of the box.
5) Earth ground - Terminal for field supplied earth grounding wire.
6) Remote unit shutdown - Replace existing jumper between terminals 52 & 53 with field supplied normally closed
switch having a minimum 75VA, 24Vac rating. Use field supplied Class 1 wiring.