HP Modular Cooling System manual

Table 7: Typical plumbing components for a MCS SL4042 configuration

Item	Description	Specifications
1	Chilled water return	Pipe:31.75 mm(1.25 inch), ASTM B 88, Type L, hard-drawn copper
	line	Fittings: ASTM B16.22 Wrought copper
		Solder: ASTM B 32, 95-5 Tin Antimony
		Thread Sealant: Seal and assemble according to local materials and practices
2	Flow/measurement	Valve type: 31.75 mm (1.25 inch) bronze balancing valve, ball design, with positive
	balancing valve	shutoff, integral checked metering ports, adjustable knob, memory device, calibrated
		nameplate, integral drain port, and solder end connections
		Position: horizontal run of pipe.
		Note: Orient drain port toward MCS 5042. Avoid fittings closer to measurement
		valve than five (5) pipe diameters upstream and two (2) pipe diameters downstream
		for maximum performance.
		Watts® CSM-61 or equivalent, typical 1.
3	Pipe	31.75 mm (1.25 inch) copper, male (NPT or BSPP) adapter to connect the MCS
		5042 water hoses, typical 2
4	Isolation valves	Valve type: 31.75 mm (1.25 inch) two-piece, full-port, brass ball valve, with chrome
		plated brass ball, PTFE seats, steel handle, with Female connections and 31.75 mm
		(1.25 inch) bushing on the end toward MCS 5042 hoses.
		Pressure rating: 600psi WOG, 150psi WSP.
		Watts® FBV-3C or equivalent.
5	Chilled water	Pipe: 31.75 mm (1.25 inch), ASTM B 88, Type L, hard-drawn copper
	supply line	Fittings: ASTM B16.22 Wrought copper
		Solder: ASTM B 32, 95-5 Tin Antimony
		Thread Sealant: Seal and assemble according to local materials and practices
6	Strainer isolation	Valve type: 31.75 mm (1.25 inch) two-piece, full-port, brass ball valve, with chrome
	valves	plated brass ball, PTFE seats, steel handle, with solder end connections.
		Pressure rating: 600psi WOG, 150psi WSP.
		Orientation: Stem vertical up for lateral level operation. Offset valves on CHWS and
		CHWR piping to prevent interference from lever actuators when closed.
		Watts® FBVS-3C or equivalent
		typical 4
7	Strainer	Type: 31.75 (1.25 inch) wye-patterned bronze strainer, with #30 stainless steel wire
		mesh liner, ¾-inch tapped retainer cap & gasket, and solder end connections. Provide
		19.05 mm (0.75 inch) ball valve for blowdown with cap and chain.
		Pressure rating: 400 psi WOG, 125psi WSP.
		Orientation: with basket and blowdown valve directed down.
		Watts® S777 or equivalent
8	System drain valve	Type: 19.05 mm (0.75 inch) two-piece, full-port, brass ball valve with chrome plated
		brass ball, PTFE seats, and steel handle, with threaded connections.
		Pressure rating: 600psi WOG, 150psi WSP.
		Watts® FBV-3C or equivalent
9	Nipple	Type: 19.05 mm (0.75 inch) brass close nipple.
10	Cap	Type: 19.05 mm (0.75 inch) brass cap with chain.
11	Hose	Type: 1.25-inch flexible hose supplied with HP mc-Series 5042 Water Hook-up Kit.
12	Condensate line	Pipe: 19.05 mm (0.75 inch) copper or Schedule 40 PVC
		Fittings: Wrought Copper or Schedule 40 PVC
		Orientation: Sloping downward in a minimum angle of 1º (0.25 inch per 1 ft) and
		away from the MCS 5042 for gravity drain
13	Compression fitting	Type: 6.35 mm (0.25 inch) male NPT X 8 mm (0.31 inch) compression fitting, Parker

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