Edwards TCU 40/80 - Page 25

5.4.2 Water
/JWN
Connections to the water supply and return are made to either Vi" brass barb fittings or Vi" compression
fittings.
For bare hose connections ("A" nominal I.D.):
1. Slip the hose over the barb fitting and tighten the hose clamp.
2. Turn on the water supply and check for leaks.
For connections using hose with tube adapters or tubing ('/i" nominal O.D.):
1. Remove the adapter coupled to the hose barb.
2. Insert the tube adapter or tubing with the appropriate ferrule and compression nut.
3. Tighten the compression nut, turn on the water supply, and check for leaks.
Rear Acctii Pantl
F»rrulo
• 1/2' Compr.jslon Nut
• 1/2" O.O. Tubing or
Hose Tuba Adaptor
Supplied Adaptor
With Hoie Barb
♦NOT INCLUDED
Figure 9 Water connections
5.4.3 Coolant
Note: If this TCU 40/80 is being installed on process equipment that has been used mth a coolant other
than Fluorinert. contact process equipment supplier for retrofit instructions.
Connections to the coolant supply and return are made on the rear panel (see Figure 8 on page 18). The
maximum distance between the process equipment and the TCU 40/80 is 50 feet (100 feet total hose
length).
1. Attach the hoses to the supply and return compression fittings. Follow the hose manufacturers
recommendations for appropriate adapters.
2. Insulate the hoses with closed cell insulation in order to minimize heat loss.
3. Tape and glue the insulated joints to avoid condensation and icing.
5.4.4 Remote connections
Wiring details for remote connections are shown in Figure 15 on page 56. Remote connections should not
be run near or parallel to a.c. power lines or in the vicinity of equipment that generates large electric
fields.
TCU 40/80 Temperature Control Unit
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