1. Removal: 300 Ton RTHB Water Cooled Screw Chiller
Location: BC Children's and Woman's Health Center, Vancouver BC.
Remove and disposal required for 300 Ton RTHB Water cooled Screw Chiller serial # U97F02701
Pull refrigerant from existing chiller
Decommission, remove, and dispose existing chiller 2. Supply a 320 Ton Water Cooled Screw Chiller
Location: BC Children's and Woman's Health Center, Vancouver BC.
Supply a 320 Ton Water Cooled Chiller to replace removed Chiller;
Basis of Design: Trane 320 Ton Model RTHD Chiller Requirements:
BACnet MS/TP Compatible [controls integration]
New chiller is to match or be less than the existing chillers' length of 146" and height of 78". The chiller must also be no greater than 68" wide accommodate space requirements. [compatibility with existing site]
The chiller must have shell and tube style heat exchangers with a 3 pass evaporator and 2 pass condenser. [compatibility with existing site]
The chillers' full load efficiency must be 0.552kW/ton or better at design conditions. [energy efficiency]
Motor starter shall be factory mounted on the unit and shall be completely prewired to the compressor motor and chiller control panel [energy efficiency and requirements]
Chiller must be capable of variable primary flow in the evaporator. The flow rate must change at a rate of up to 50% per minute [maintain compatibility with existing TGH system]
Chiller to be wrapped in an opaque plastic wrap with UV protection and rust inhibitor around the entire unit [unit protection during transport
Chiller must be able to meet project timeline of delivery to site in 16 weeks or less
Chiller must be compatible with existing auxiliary equipment (pumps, controls, graphics, etc.)
Pull required refrigeration permits
Supply and install one (1) new 320 Ton RTHD Water-cooled Optimus Screw Chiller (rigging services included)
Complete all piping connections to chiller
Insulate new pipework as required
Start-up chiller to ensure proper operation Mechanical / Refrigeration Installation
Decommission, remove, and dispose existing chiller
Provide necessary shop drawings of new chiller
Pull required refrigeration permits
Supply and install one (1) new 320 Ton RTHD Water-cooled Optimus Screw Chiller (rigging services included)
Complete all piping connections to chiller
Insulate new pipework as required
Start-up chiller to ensure proper operation Electrical Installation
Pull required electrical permit
Lock-out-tag-out
Disconnect existing electrical to chiller
Hook up new chiller and extend wiring as required to suit new layout DDC / Controls Installation
Disconnect existing control wiring
Reconnect existing control wiring to chiller
Verify operation and chiller visibility on control system. Update graphics as required. Compatibility is contractor's responsibility
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