Specifications

88 InRow Chilled Water Air Conditioners Technical Specifications 990-4618C-001
C. AUTOMATIC TRANSFER SWITCH
1. The unit shall be equipped with an automatic transfer switch (ATS). The ATS shall automatically
switch from a main power supply to a secondary power supply in the event of a power outage
without change in equipment operation. The ATS shall monitor the main power supply so that
when power is restored to the primary source it will automatically switch from the secondary
source back to the main power source.
D. MAIN DISCONNECT SWITCH
1. ACRC301S & ACRC301H
a. Unit shall be provided with fuse rated per UL 248-1/UL 248-14/CSA-C22.2 No. 248.1/CSA-
C22.2 No. 248.14
1. ACRC301S: 120-240V 50/60Hz kA 100
2. ACRC301H: 208-230V 50/60Hz kA 100
b. Units shall include a fused live and neutral lines located on the ATS panel in order to
individually disconnect primary/secondary power inputs
2. ACRC500/ACRP500 series
a. Unit shall be provided with Thermal-Magnetic circuit breakers with interrupt capacity ratings
per UL489/CSA C22.2/IEC-947.
1. Voltage: 200-240V 50/60Hz / kAIC 50
2. Voltage: 380-415V 50Hz / kAIC 36
3. Voltage: 460-480V 60Hz / kAIC 22
b. Units shall include main disconnect switches located on the E-panel in order to individually
disconnect primary/secondary power inputs.
E. DUAL POWER SUPPLIES
1. Power Supplies
a. The unit shall include two power supplies,
1. ACRC301S: Each capable of running the unit at 75% capacity in the event of a single
power supply failure,
2. ACRC301H: Each capable of running the unit at 75% capacity in the event of a single
power supply failure.
2. Unit power consumption
a. ACRC301S
1. Power consumption is not to exceed 1.0 kW during normal operation.
b. ACRC301H
1. Power consumption is not to exceed 1.9 kW during normal operation.
c. ACRC500 series
1. Power consumptions is not to exceed 3.3 kW during normal operation.
d. ACRP500 series
1. Power consumptions is not to exceed 15 kW during normal operation.
3. Operation and Service
a. Power supply shall be hot swappable.