Greenheck Energy Recovery Filter Hood System - Manual (Page 7)

Troubleshooting
Pump does not run.
• Confirm the fans are running and the pump switch
has been pressed to activate the pump.
• Check voltage on terminals H1 and N1 in the
electrical panel to confirm that there is 120 VAC.
• Check voltage on terminals P1H and P1N and
confirm that there is 120 VAC.
• Inspect motor for disconnected wires.
• Motor may be faulty or failing, service motor.
Hot water heater inlet temperature is not hot
enough.
• Confirm that the panel is running during cooking
operations/fan operation.
• Confirm appliances are running.
• Close off the throttle valve to help force more water
through the filters.
Pressure release button will not purge water to
drain.
• Confirm the ball valve that supplies water to the
filters is closed.
• While holding the button, check the voltage
between SVH and SVN to confirm 120 VAC.
• The pressure release solenoid valve may be faulty or
failing, service solenoid valve.
No flow light is on.
• Confirm ball valves are open.
• Check quick connect fittings to ensure they are
properly installed and connected to allow flow.
• Check for frozen or broken water lines.
WARNING
Do not close the throttle valve completely, as there
may not be enough water supplied to the water
heater.
Replacement Parts
Part Number Description
Filter Part Numbers
475863 Core Heat Exchanger
476407 18 inch (45.72 cm) Stainless Steel Hose
476411 Relief Valve
476409 Female Coupler
476410 Male Coupler
Cabinet Part Numbers
459010 Temperature/Pressure Gauge
381050 Solenoid Valve
381049 Coil for Solenoid Valve
476329 Pump
System Parts (shipped loose)
476408 24 inch (60.96 cm) Stainless Steel Hose
451167
3/8 inch (0.95 cm) UL Listed Hood
Penetration Seal
476409 Female Coupler
476410 Male Coupler
Codes and Standards Compliance
• UL 1046
• NSF/ANSI Standard 2 – Food Equipment
Energy Recovery Filter System 7