Liebert XDC user manual Recommended refrigerant line sizes for DCSL616

Piping and Filling with Refrigerant: R-134a and R-407c Circuits

Figure 28 DCSL616 piping connections—two refrigerant circuits connected for parallel flow

Inverted Trap * on discharge line to extend above base of coil by a minimum of 7-1/2" (190mm)

Condenser Coil (Circuit 2)

Condenser Coil (Circuit 1)

Additional Piping Assembly **

Traps * every 25 ft (7.6m) of rise on hot gas line only

Head Pressure Control with Integral Check Valve

								m
			d				o
							r
		i
	u					F			r
q					n
i								e
L				r
			u				s
		t					n
		e				e
R					d
				n
			o
		C

	Rotalock
Check	Valve **
Valve	1/4" (6.4mm)
	Pressure Relief
Lee-Temp	Valve **
Receiver	Sight Glass
	Some Models Have

2 Sight Glasses

Standard

Piping Assembly **

* Components are not supplied by Liebert

		but are recommended for proper circuit
		operation and maintenance.
	Liquid/Return	* * Components supplied by Liebert;
		must be field-installed.
	Single XDC Circuit Shown
Hot Gas/Discharge		Field-Supplied Piping	DPN000937
		Factory-Supplied Piping
			Pg. 4, Rev 9
Table 13 Recommended refrigerant line sizes for DCSL616
	Liebert XDC 160
Equivalent	*Hot Gas Line,
Length, ft., (m)	in.	Liquid Line, in.
50 (15)	1-1/8	7/8
100 (30)	1-1/8	1-1/8
150 (45)	1-3/8	1-1/8
200 (60)	1-3/8	1-1/8

*Double risers are required when hot gas vertical rise is 15 feet or more (see 2.6 - Install Double Discharge Risers).

28