HP Modular Cooling System Generation 2 site preparation guide - Technical white paper
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Table 7: Typical plumbing components for an HP MCS G2 configuration (refer to figure 26)
Item
Description
Specifications
1
Chilled water return
line
Pipe: 1-inch, ASTM B88, type L, hard-drawn copper
Fittings: ASTM B16.22 wrought copper
Solder: ASTM B3295-5 tin antimony
Thread sealant: seal and assemble according to local materials and practices
2
Flow/measurement
balancing valve
Valve type: 1-inch bronze balancing valve, ball design, with positive 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 the HP MCS G2. Avoid fittings closer to
measurement valve than 5 pipe diameters upstream and 2 pipe diameters
downstream for better performance.
Watts CSM-61 or equivalent, typical 1
3
Pipe
1-inch copper, male (NPT or BSPP) adapter to connect the MCS G2 water hoses,
typical 2
4
Isolation Valves
Valve type: 1-inch, 2-piece, full-port, brass ball valve, with chrome-plated brass ball,
PTFE seats, steel handle, with female connections and 1-inch bushing on the end
toward MCS G2 hoses
Pressure rating: 600 psi WOG, 150 psi WSP
Watts FBV-3C or equivalent
5
Chilled water
supply line
Pipe: 1-inch, ASTM B88, type L, hard-drawn copper
Fittings: ASTM B16.22 wrought copper
Solder: ASTM B3295-5 tin antimony
Thread sealant: seal and assemble according to local materials and practices
6
Strainer isolation
valves
Valve type: 1-inch, 2-piece, full-port, brass ball valve, with chrome-plated brass ball,
PTFE seats, steel handle, with solder end connections
Pressure rating: 600 psi WOG, 150 psi 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: 1-inch wye-patterned bronze strainer, with #30 stainless steel wire mesh liner,
¾ in. tapped retainer cap and gasket, and solder end connections. Provide ¾-inch
ball valve for blowdown with cap and chain
Pressure rating: 400 psi WOG, 125 psi WSP
Orientation: with basket and blowdown valve directed down
Watts S777 or equivalent
8
System drain valve
Type: ¾-inch, 2-piece, full-port, brass ball valve with chrome-plated brass ball, PTFE
seats, and steel handle, with threaded connections
Pressure rating: 600 psi WOG, 150 psi WSP
Watts FBV-3C or equivalent
9
Nipple
Type: ¾-inch brass close nipple
10
Cap
Type: ¾-inch brass cap with chain
11
Hose
Type: 1-inch flexible hose supplied with HP MCS G2 Water Hook-up Kit
12
Condensate line
Pipe: ¾-inch copper or schedule 40 PVC
Fittings: wrought copper or schedule 40 PVC
Orientation: sloping downward and away from the MCS G2 for gravity drain
13
Compression fitting
Type: ¼-inch male NPT X 5/16-inch (8 mm) compression fitting, Parker Hannifin,
FBMB8-1/4 Metrulok fitting, Festo QB-1/4-5/16-U, or equivalent, installed by