VRC Series IOM
16
IOM-M2-0316
Technical Support: (800) 789-8550
Part Number 478603
Pre-Startup Checklist
Exterior and Interior Inspection
Unit is inspected for rigging or shipping damage.
Report any damage to the manufacturer.
Unit is installed correctly, is level, and all doors
are operable.
Interior of unit is free of debris.
Copper tubing is secured and not rubbing.
Controls and Electrical
The main disconnect is off.
Electrical service matches unit voltage.
Field power and control wiring is complete.
All electrical connections are tightened.
Main power is wired to the disconnect.
Refrigeration Piping
Discharge and liquid lines are pipes and brazed
between ventilator unit and condenser.
Oil drip leg and capillary bleed line is installed at
the bottom of the first vertical rise on the
discharge line and all additional rises over 10ft.
System has been pressure checked to 450psi with
nitrogen for 1 hr.
System has been evacuated to less than 500
microns before charging.
Condenser Startup Form
Prior to starting the unit, ensure that all applicable items in the
Pre-Startup Checklist
have been completed and
verified. Compressor crankcase heaters must be energized for a minimum of 12 hours prior to operating unit. The
condenser startup form should be completed in conjunction with the ventilator unit startup form (VPR IOM
PN#472916, Air-Cooled DX Startup Form). Refrigeration system check values should be recorded on the ventilator
unit startup form.
Electrical
Unit Voltage:
Line Voltage:
L1 – L2:
L2 – L3:
L3 – L1:
Parameter
Circuit A
Circuit B (if applicable)
Pressure Check (PSI)
Evacuation (Microns)
Final Charge (lbs)
POE Oil Added (oz)
Note: Be sure to record the final charge on the charge sticker on the inside of the control panel doors in both units.
Component
Nameplate
Amps
Running Amps
Rotation Direction
L1
L2
L3
Condensing Fan #1
Condensing Fan #2
Condensing Fan #3
Condensing Fan #4
