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Documentation to properly start the unit including
the sequence of operation, and a copy of the work
order listing complete unit configuration.
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.
Gages placed on each circuit to make sure the
circuit has a refrigerant charge before circuit is
enabled for operation.
Supply power (line voltage) is connected to the
unit, and is correct.
Phase monitor is set up correctly.
All ductwork is connected to the unit.
All condensate piping is connected to the unit.
All refrigerant lineset piping is connected to the unit.
All control wiring is connected to the unit.
Filed installed parts (if applicable) that shipped
lose are installed.
Electrical connections are tight.
Overloads are adjusted.
Fan 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.
80% of the calculated unit charge should
be charged into the system before starting
compressor.
Pre-Start Checklist:
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 tempera-
ture at the time of start-up.
4. Subcooling and superheat readings must be taken
with the reheat circuit disabled, and in the cooling
mode.
5. Digital compressors must be operated at 100%.
6. Supply fan will need to run at 50Hz at a minimum.
7. Subcooling circuit (if applicable) must be energized
and open.
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RC/FC Series Installation, Operation, and Maintenance Manual