Vertiv Liebert XDC User Manual

5. Turn On the Liebert iCOM controller by pressing the On/Off push button on the front of the
Liebert iCOM display (see Figure 6.1 on page61).
6. Set the Min Room Temperature Setpoint to a minimum value of 50°F (10°C) (see Figure 6.7 on
page70.
NOTE: The pumps must establish flow before the compressors will start. If the pumps lose flow, the
compressors will turn Off. The pressure in the system must be at or above 65psig (448kPa) for the
compressor(s) to start. A minimum of 30psig (207kPa) must be maintained for the compressor(s) to
continue to operate. The compressor(s) will shut off if the pressure drops to 20psig (138kPa) or lower.
7. Weigh in the rest of the calculated charge.
8. Once Tandem Bank 1 is completely charged, repeat steps Turn Off the main power to the unit.
on the previous page through7. above for Tandem Bank 2.
Model 50/60 Hz Charge/Circuit, lb. (kg)
Liebert XDC160 17.5 (8.0)
Table 4.12
Indoor unit refrigerant
charge—R-407C
Outdoor Ambient, °F (°C Model 50/60 Hz Receiver Part # Charge / Circuit, lb. (kg)
-30 to 100 (-34 to 38) DCSL415
185010G2
1
/G4
2
200 (91)
-30 to 105 (-34 to 41) DCSL616
179713G1
1
/G2
2
254 (115)
35 to 105 (2 to 41) DCSL616
181610G2
1
/G4
2
164 (75)
1. 120V
2. 230V
Table 4.13
Outdoor air condenser charge—R-407C
O.D., inches Liquid Line, lb. (kg) Hot Gas Line, lb. (kg)
3/8 3.7 (1.7) -
1/2 6.9 (3.1) -
5/8 11.0 (5.0 2.2 (1.0)
3/4 15.7 (7.1) 3.1 (1.4)
7/8 23.0 (10.4) 4.5 (2.0)
1-1/8 39.3 (17.8) 7.8 (3.5)
1-3/8 59.8 (27.1 11.8 (5.4)
1-5/8 — 16.7 (7.6)
Table 4.14
Air-cooled systems - liquid line charge - R-407C refrigerant per 100ft
(30m) of Type ACR copper tube
Vertiv | Liebert® XDC™ User Manual | 56

Vertiv Liebert XDC Specifications

General

Brand	Vertiv
Model	Liebert XDC
Category	Freezer
Language	English