Airedale OptiChill FreeCool 500kW - 1365kW - Manual (Page 119)

Chillers OptiChill Freecool
Chillers
119
Technical Manual : 7197700 v1.2.0 02_2013
Storage Recommendations
Airedale recommends that equipment should be stored in an ambient protected warehouse facility.

The unit should be stored within a heated warehouse ensuring that the temperature does not fall below 0°C.

All water should be drained from the unit

Refrigerant line shut off valves are closed.

All electronic expansion valves should be driven closed.
Pre Start following storage
Before turning the unit on after extended periods of storage the following procedures and checks must be carried out
over and above any commissioning checks.
All low temperature protection devices must be turned on for a minimum of 8 hours.
Procedures
These include

Compressor crankcase heaters.

Panel heaters.

Electric trace heating.
Checks.
Waterside

Check that the 3 way valve operates correctly.

Check that flow switches operate correctly.

Check that differential pressure sensor operates.
Electrical

Condenser fans operate satisfactory (Minimum speed to maximum speed).

Electrical seals and glands are satisfactory and have not cracked

All electrical terminal boxes are free from moisture.

All cable insulation is satisfactory and does not have any signs of damage.
Refrigeration

Ensure all Manual ball valves are open

Carry out an F-gas inspection ensuring no refrigerant leaks.
The unit should be regularly visually inspected during storage to ensure that no condensation has formed on or
within the unit.