Portable 100 ton Chiller with Pump Package

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Contract Opportunity

This is NOT a Sole Source or Brand Name. Only a Sources Sought.

Portable 100 ton Chiller with Pump Package salient characteristics:

Provide one (1) air cooled chiller unit with the following features:

o Air-Cooled Scroll Packaged Chiller

o Copper Tube / Aluminum Fin condenser coils

o Evaporator-Shell and tube heat exchanger

o Startup Included by manufacturer

o 60 hertz; 460 volt 3 phases

o High efficiency/performance

o Full factory refrigerant charge

o Provided freeze protection (External T-STAT control)

o Refrigerant isolation valves (discharge valve)

o UL listed to US and Canadian safety standard

o ASHRAE 90.1 all versions compliant

o AHRI certified Standard cooling (42 to 65F)

o Grooved pipe connection

o Factory insulation - all cold parts

o High ambient kit (up to 125F)

o Low ambient kit (down to 0F)

o Chiller shall be provided with low leaving fluid temperature option of +10F

o Single point power connection

o Terminal block conn for incoming lines

o Enclosure type UL 1995 rated for outdoor applications

o Water strainer factory installed

o Dual circuit machine for staging and efficiency

o Scroll compressors for dynamic staging control and energy conservation.

o Control transformer power

o Integrated non-fused disconnect - “thru the panel operator”

o TEAO fan motors

o Insulated evaporator

o Condenser coil guards

o Phase monitor and phase fail indicator light (red)

o Main power on indicator (green)

o Master on switch

o Common trouble alarm terminal

o Installed flow switch safety

o Temperature and pressure gauges provided

o Chiller will be provided with standalone DDC temperature controls.

o Chilled water barrel heaters for freeze protection

o Chiller provided with hydronic isolation and drain valves.

o Main power wiring will include single (1) Cam Lok electrical connections

and associated wiring

o Chiller shall be furnished with a 2” x 4” label with white backing and black

lettering stating “NOTE: 480 volt power should be applied a minimum of 1

hour before starting chiller. Compressor oil heaters utilize 480 volt

power.”

• Provide and install pump rated @ 300 GPM @ 100 foot/head. Pump will be

mounted to the chiller skid. The close coupled pump will be integrated into

the interconnecting piping and hydronic components. Installation to include

a pump starter, overload, control switch and breaker.

• Internal chiller piping package to include:

o Integrated bypass to provide operation of local or remote pumps

o Chiller to be provided with isolation/balancing valves, bypass valve for

remote pump operation, in-line strainer with blow down valve, and low

level drain valve.

o Entering and leaving fluid temperature ports and thermometers

o Entering and leaving pressure ports and gauges

o Drain valves at chiller barrel, pump housing and at the piping manifold

lowest point.

o Chiller will be provided with an additional differential pressure safety

switch. This pressure switch is independent of the factory installed safety

switch.

o Provide two (2) additional ¼” access ports for field pressure/temperature

testing.

o Perform hydrostatic pressure testing to 125 PSIG of the entire pump,

piping and component assembly to verify no leaks are present.

o 60’ of quick connect hoses and 60’ of return hoses.

• Provide structural mounting frame for the pump on the chiller skid. Hot

dipped galvanized structural members.

• Provide and install all required electrical power wiring and control devices.

• Provide all required starters, overloads and disconnects.

• The skid shall be fabricated to mount the chiller unit to a trailer unit

• The lifting frame material needs to have to ability to be loaded or moved with forklift

• The chiller shall be attached to the structure along all sides.

• The entire skid and lifting frame shall be provided with a hot dipped

galvanized coating for increased corrosion protection.

• The unit shall be manufactured in accordance with NEC codes, ETL

requirements and labeled with the appropriate 3rd party NRTL as requested.

• Chiller / pump assembly shall be provided with a certified skid / lifting frame

structural calculations and certificates issued by a 3rd party engineering

firm.

• The exterior of the unit shall be properly prepared and coated white.

• Unit to be test run before acceptance

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