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Pre-Start Checklist – Screw Chillers
Must be completed, signed and provided to Daikin Applied 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
Piping complete
Water strainer(s) installed per manual requirements
Water System filled, flushed and vented
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
Flow switch installed and wired
Vent installed on evaporator
Glycol at design % (if applicable)
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 wiring complete and compliant with Daikin specifications
Power applied at least 24 hours before startup
Oil heaters energized at least 24 hours before startup (not applicable for WWV models)
Chiller components (EXV Sensors Transducers) installed and wired properly
*Wiring complies with National Electrical Code and local codes (see notes)
Remote EXV wired with shielded cable (if applicable)
Miscellaneous
Unit control switches all off
Remote Evaporator Piping factory reviewed and approved (if applicable)
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 Data Sheet from Selection Software
Document Attached: Final Order Acknowledgement
Document Attached: Remote evaporator piping approval (if applicable)
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 Daikin sales representative*. State size, number and
type of conductors and conduits installed:
a.
From Power supply to chiller
* Refer to NEC Article 430-22 (a)
2. Remote Evaporator piping incomplete or incorrect. Provide approved piping diagrams.
3. Items on this list incorrectly acknowledged may result in delayed start and extra expenses incurred for return trips.
Contractor Representative
Signed:
Name:
Company:
Date:
Phone/Email:
©2018 Daikin Applied
Yes
Yes
Yes
Daikin Applied Sales Representative
Signed:
Name:
Company:
Date:
Phone/Email:
Form SF-18003
No
N/A
Initials
No
N/A
Initials
No
N/A
Initials
06SEPT2018
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