Standard features include: digital readout at the OptiV- iew Control Center of the following:
Display Only:
•3-phase voltage A, B, C
•3-phase current A, B, C
•Input power (kW)
•kW Hours
•Starter Model
•Motor Run (LED)
•Motor Current % Full-load Amps
•Current Limit Setpoints
•Pulldown Demand Time Left
Programmable:
•Local Motor Current Limit
•Pulldown Demand Limit
•Pulldown Demand Time
Other features include: low-line voltage, 115-volt con- trol transformer; three-leg sensing overloads; phase ro- tation and single-phase failure protection; high tempera- ture safety protection, motor current imbalance and undervoltage safeties; open and close SCR protection; momentary power interruption protection. The LCSSS is cooled by a closed loop, fresh water circuit consist- ing of a water-to-water heat exchanger and 1/25 HP circulating pump. All interconnecting water piping is factory installed and rated for 150 PSIG working pres- sure. Optional unit-mounted circuit breaker includes
ground fault protection and provides 65,000 amp. Short circuit withstand rating in accordance with UL Standard
508.A non-fused disconnect switch is also available. Both options are padlockable.
REMOTE ELECTRO-MECHANICAL COMPRES- SOR MOTOR STARTER (OPTIONAL)
A remote electro-mechanical starter of the R-1131 type shall be furnished for each compressor motor. The starter shall be furnished in accordance with the chiller manufacturer’s starter specifications and as specified elsewhere in these specifications.
PORTABLE REFRIGERANT STORAGE/RECY- CLING SYSTEM
A portable, self-contained refrigerant storage/recycling system shall be provided consisting of a refrigerant com- pressor with oil separator, storage receiver, water cooled condenser, filter drier and necessary valves and hoses to remove, replace and distill refrigerant. All necessary controls and safety devices shall be a permanent part of the system.
START-UP AND OPERATOR TRAINING
The chiller manufacturer shall include the services of a factory-trained, field service representative to super- vise the final leak testing, charging and the initial start- up and concurrent operator instruction.
