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Pre-Start Checklist - Scroll Compressor Chillers
Must be completed, signed, and provided to Clima Flex at least 2 weeks prior to requested start date.
Job Name
Installation Location
Customer Order Number
Model Number(s)
G.O. Number(s)
Chilled Water and Condenser Water for Water-cooled Chiller
Piping Complete
Water strainer(s) installed in piping per manual requirements
Water System - flushed, filled, and vented; Water treatment in place
Cooling tower flushed, filled, vented; Water treatment in place (if applicable)
Pumps installed and operational (rotation checked, strainers cleaned)
Controls operational (3-way valves, face/bypass dampers, bypass valves, etc.)
Water system operated and tested; flow meets unit design requirements (Not all units include it)
Flow switch(es) -installed, wired, and calibrated
Vent installed on evaporator
Electrical
Building controls operational
*Power leads connected to power block or optional disconnect
Power leads have been checked for proper phasing and voltage
All interlock writing complete and compliant with unit specifications
Power applied at least 12 hours before startup
Oil heaters energized at least 12 hours before startup
Chiller components (EXV Sensors Transducers) installed and wired properly
*Wiring complies with National Electrical Code and local codes (See Notes)
Miscellaneous
Unit control switches all off
Remote Evaporator / Condenser Piping factory reviewed
All refrigerant components/piping leak tested, evacuated and charged
Thermometers, wells, gauges, control, etc., installed
Minimum system load of 80% capacity available for testing/ adjusting controls
Document Attached: Technical Breakdown from Selection Software
Document Attached: Final Order Acknowledgement
Document Attached: Remote piping approval
Notes: The most common problems delaying start-up and affecting unit reliability are:
1. Field installed compressor motor power supply leads too small. Questions: Contact the local Clima Flex sales representative*. State size, number and type of conductors
and conduits installed:
a. From Power supply to chiller _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
* Refer to NFPA 70-2017, Article 440.35
2. Remote Evaporator piping incomplete or incorrect. Provide approved piping diagrams.
3. Items on this list incorrectly acknowledged resulting in delayed start and possible extra expenses incurred by return trips.
Contactor Representative
Singed
Name
Company
Date
Phone / Email
www.clima-flex.com
Clima Flex Sales Representative
Signed
Name
Company
Date
Phone /Email
3
Yes
No
N/A
Initials
Yes
No
N/A
Initials
Yes
No
N/A
Initials
iom-clicsa-cf-eng
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