Figure 5.9 Pipe bend radius, acceptable and unacceptable
5.9 Connecting Liebert DCD Flex Pipe Hoses
1. Connect the supply hose header adapter to the supply header.
2. Connect the return hose header adapter to the return header.
3. Connect the supply hose door adapter to the Liebert DCD supply connection.
4. Connect the return hose door adapter to the Liebert DCD return connection.
5. Connect the hoses to the fittings. Tighten to 55 ft.-lb. torque. If a torque measuring device is
not available, hand tighten the connection, then tighten an additional 1/2 flat (1/12 turn).
6. Connect the supply hose to the supply header (see Figure 5.10 on the next page).
7. Connect the return hose to the return header (see Figure 5.10 on the next page).
Vertiv | Liebert® DCD™ User Manual | 39
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