Installation
Liebert
®
SRC
™
User Manual 32
3. Purge the air in the manifold hose using the refrigerant.
4. Close the liquid line service valve completely.
5. Turn on the cooling-unit’s power switch and start cooling-mode operation, 8.3 - Enabling Cooling-
only Mode.
6. Observe the pressure gauge reading.
• When the gauge reads 1 to 0.5 kg/cm
2
(14.2 to 7.1 psig), fully-close the gas-line valve and
immediately turn of the cooling unit.
Pump-down is complete, and all refrigerant should be collected into the outdoor unit.