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Line Voltage - check at unit disconnect
L1-L2 ________ Volts L2-L3 ________ Volts L1-L3 _______ Volts
MotorAmpDraw:
Supply Motor Amps L1 ________ Amps L2 ________ Amps L3 ________ Amps
Exhaust Motor Amps L1 ________ Amps L2 ________ Amps L3 ________ Amps
FanRPM: SupplyFanRPM _____________
Exhaust Fan RPM _____________
Correctfanrotationdirection: SupplyFan Yes/No
ExhaustFan Yes/No
Start-Up Checklist
The unit will be in operational mode during start-up. Use necessary precautions to avoid injury. All data must
be collected while the unit is running. In order to measure volts & amps, the control center door must be open,
and the unit energized using a crescent wrench to turn the disconnect handle.
Special Tools Required
Voltage Meter (with wire probes)
Amperage Meter
Incline manometer or equivalent
Tachometer
Thermometer
START-UP CHECKLIST FOR UNIT
START-UP CHECKLIST FOR EVAPORATIVE COOLER
Evaporative coolers are an integral part of the unit and must be set up properly. Doing so will ensure correct
operation and avoid water or leakage problems. HRE units will have one or two evaporative coolers. The
following checklist must be completed for each evaporative cooler. Qualified personnel should perform
installation and be present for start-up to ensure safe and proper practices are followed. Please refer to the
Evaporative Cooling Modules section for detailed information on start-up items below.
Indirect Evap Direct Evap
Connect overflow line (run bleed line into overflow) o o
Connect drain line o o
Install trap o o
Connect water supply line o o
For units with Auto Drain & Fill with Freeze Protection
Install, wire, and provide power to components o o
Confirm temperature and timer settings o o
Pump filter clean and installed properly o o
Saturate media per IOM o o
Adjust bleed-off rate per IOM o o
Check for water carryover o o
Connect ‘Call for Cooling’ signal o o
Remove jumper wire o o