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PRE-START CHECKLIST
Signature:
Documentation to properly start the unit including
the sequence of operation, and a copy of the work
order listing complete unit configuration.
Supply power (line voltage) is connected to the
unit, and is correct. (Check unit serial tag)
Pre-Start visual check of the unit, and a copy of the
unit start up form to document the operation and
performance of the unit.
Unit checked for debris.
Confirm proper required unit clearances.
Gages placed on each circuit to make sure the
circuit has a refrigerant charge before circuit is
enabled for operation.
Phase monitor is set up correctly. See unit IOM for
more information and settings.
All ductwork is connected to the unit.
All condensate piping is connected to the unit, and
of correct size per unit label.
Check all gas piping is connected (if applicable).
All control wiring is connected to the unit.
Field installed parts (if applicable) that shipped
lose are installed.
Notes:
1. Start-up technician will need to fill out the Start-Up
Form with date of start-up and all information.
2. Start-up technician will need to verify the sequence of
operation for the order.
3. Return trip may be necessary to check cooling
or heating operation based on the outdoor air
temperature at the time of start-up.
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Electrical connections are tight.
Overloads are adjusted.
Fan(s) wheel(s) rotate freely.
O/A dampers (if applicable) move freely.
Safety switches are adjusted properly.
Verify any field installed safeties (I.E. Fire (SD) or
Condensate Overflow (COS)) are on the correct
ALC board terminal location, and/or jumpers are
installed correctly.
Crankcase heater has been on for at least 24 hours
at a minimum before startup.
80% of the calculated unit charge should be
charged into the system before starting compressor.
Vibration isolators adjusted (if applicable).
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Comments:
PR Series Unit Pre-Start Form
Part Number:
ADFMPRPST
Rev.: 19 June 2020DS
*ADFMPRPST*
