Nyle e360 - Initial Troubleshooting

HeatWater.com | WaterService@nyle.com | (800) 777-6953 IM-e360-122023 IM-e360-122023 HeatWater.com | WaterService@nyle.com | (800) 777-6953
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Initial Troubleshooting
Please use the following lists of startup issues, alerts and faults to assist with the diagnosis and troubleshooting
of some common problems.
Note: In the rare event that major components end up damaged or defective, you MUST obtain assistance and approval
from your rep or from Nyle to authorize warranty replacement, BEFORE the components are removed from service.
Problem Check
Display Screen is Dark
120V power is active at breaker and input terminals.
Unied Power accessory is providing 120V power.
Control Screen is receiving power.
Can’t Access Congure/Diagnose Screens Service jumper is installed and secure.
Heat Pump Won’t Run
Primary power is active.
No alarms or alerts present on control screen.
System is congured for correct demand source.
System is turned “ON“ at control screen.
System is “Enabled” by BMS.
Pump or Fans Run, but Not Compressor
In External/BMS mode: inlet water is low enough.
Heat pump is not in post purge.
Compressor Time Delay (CTD) is zero.
Freeze protection is not active.
Coil is Icing/Not Removing Ice
Evaporator intake is not blocked or obscured.
Discharge is not blocked or obscured.
Ducting, if present, allows sufcient airow.
Fans are fully operational.
Defrost is triggering.
Defrost cut out temperature is high enough.
Ambient/Evap temps are low enough for frosting.
Refrigerant charge is adequate.
TXV/lter dryer allow sufcient refrigerant ow.
Unit Runs, but Water Temperature is
Insufcient
Tank and/or outlet temperatures are set correctly.
Internal control valve is operating properly.
Outlet temperature is allowed by current ambient temperatures