Bradford-White Corp MAGNUM Series Commercial Electric Booster, 07.05.228.00 manual

Page 17

TROUBLESHOOTING GUIDE

Symptom

Probable Cause

Corrective Action

Water reaches 180°F (82°C) but

Low incoming water temperature.

Incoming water temperature must be adequate

does not last through the entire

for booster size. Increase incoming water

dishwasher operation.

temperature.

Incoming water temperature drops.

Primary water supply is not adequate to provide

correct temperature in sufficient quantities.

Increase supply of primary hot water.

Flow pressure is too high.

Higher pressure uses an excessive quantity of hot

water. Adjust flow pressure to 20 psi (138 kPa).

Booster water heater may be

Booster water heater must be sized properly for

undersized.

incoming water temperature and rinse

requirements of the dish machine.

Incorrect voltage.

Check voltage on heater serial plate and make

sure supplied voltage matches. A 240 V booster

water heater operating on 208 V reduces wattage

to 76% of the normal output.

The booster heater does not heat

Unit may have been energized

This will cause the elements to burn out quickly.

at all or only delivers water at

without water (dry fired).

Replace the element(s).

120°–150°F (49°–66°C).

Fuses may be blown or circuit

Check for proper fuse sizing. Replace fuses.

breaker tripped.

Check/reset circuit breaker.

Over-current fuses may be blown.

Contact Authorized Service Agent or Bradford

White for assistance.

Temperature

setting

out

of

Temperature setting should be maximum

calibration or inoperable.

of 190°F (88°C).

Contactors do not pull in.

Contact Authorized Service Agent or Bradford

White for assistance.

High limit switch may be tripped or

Reset switch. If switch continues to trip or cannot

defective.

be reset contact an Authorized Service Agent.

Transformer not working properly.

Contact Authorized Service Agent or Bradford

White for assistance.

Low water cutoff inoperable,

Contact Authorized Service Agent or Bradford

contacts do not close.

White for assistance.

Form No. EBOOSTERBWM-1009

15

Image 17

Contents Magnum Series Introduction ContentsImportant Owner Information Electric Shock Hazard Important Safety InformationImportant Safety Information Magnum Series Commercial Electric Booster SpecificationsModel Description Fuse Size Wire Size Model Volts Phase Amp DrawCopper Conduit Breaker orCapacity 40F 22C Rise 70F 39C Rise Shipping WeightNational Electrical Code N.E.C ModelGeneral InstallationMounting Brackets with Hardware Shock Absorber Legs Pressure Reducing ValveBlended Phosphate Water Treatment System Back Pressure Relief ValveTemperature/Pressure Gauges Temperature/Pressure Relief Valves Pressure Reducing ValveBlended Phosphate Water Treatment System optionalPlumbing Connections Temperature of 200F 93C. Materials used must meetInlet Consumer dish machines or other domestic utilizedPlumbing Connections Magnum Series 24-57 kW Outlet Electrical All Sizes and VoltagesGeneral Electrical ConnectionsStartup OperationShutdown Burn HazardThermostat Adjustment MaintenanceTemperature/Pressure Relief Valve Optional Troubleshooting GuideService by unqualified personnel may lead to electric Symptom Probable Cause Corrective Action Make sure tank is full of water at all times Stainless Steel Adjustable Legs Floor Mounting Hardware AccessoriesShock Absorber System12 18 kW Wiring Diagram, All Voltages, Three-Phase Wiring DiagramsKW Wiring Diagram, All Voltages, Single- or Three-Phase KW Wiring Diagram, 208 and 240 V, Single-Phase 12 15 kW Wiring Diagram, 208 and 240 V, Single-Phase24 36 kW Wiring Diagram, 208 and 240 V, Three-Phase 24 30 kW Wiring Diagram, 240 V, Single-PhaseKW Wiring Diagram, 240 V, Single-Phase 24 36 kW Wiring Diagram, 480 V, Three-Phase45 57 kW Wiring Diagram, 480 V, Three-Phase 36 57 kW Wiring Diagram, 208 and 240 V, Three-PhaseWhat does this Limited Warranty COVER? Limited Commercial Water Heater WarrantyWhat is the Period of COVERAGE? What will WE not DO?What should YOU do to Keep the Warranty in EFFECT? Form No. EBOOSTERBWM-1009 Ambler, PA Technical Service Service Parts Warranty Service