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2
Trouble Shooting
2
Pitted valves.
See VALVE SERVICE in PUMP MAINTENANCE.
Erratic pressure; pump
runs rough
Dirty or worn check valves.
Clean/replace check valves.
Foreign particles in valve
assemblies.
High inlet water temperature.
See temperature in PUMP SPECIFICATIONS.
Excessive vibration
Dirty or worn check valves
See “Dirty or worn check valves.”
Scored plungers
Abrasive material in fluid being
pumped.
Install proper filtration on pump inlet plumbing.
Fitted plungers
Cavitation.
Decrease inlet water temperature and/or increase inlet
water pressure.
Cavitation
High inlet fluid temperature, low
inlet pressure.
Lower inlet fluid temperature and raise inlet fluid
pressure.
Water Heater
Trouble
Possible Cause Remedy
Machine will not rise to
operating temperature.
Low fuel pressure
See specified pressure in the FUEL section of
MODEL SPECIFICATIONS.
Poor combustion
See “Poor combustion”.
Improper fuel supply
Use fuel specified in FUEL section of the
MODEL
SPECIFICATIONS.
Temperature control inoperative See the
TEMPERATURE CONTROL
section.
Incoming water temperature
too low
Raise incoming water temperature.
Machine overheats
(Dry steam – very little
moisture, very hot
steam)
Insufficient water
Increase water flow and pressure. Check coil back
pressure.
Temperature control inoperative
See
TEMPERATURE CONTROL
section.
Improper fuel supply
Use fuel specified in FUEL section of the
MODEL
SPECIFICATIONS.
Improper fuel pressure
See FUEL section of the
MODEL
SPECIFICATIONS
for specified fuel pressure.
Incoming water temperature
too high
Lower incoming water temperature.
Machine smokes
Improper fuel supply
Use fuel specified in FUEL section of the
MODEL
SPECIFICATIONS.
Improper burner jets
Remove and replace jets per
BURNER
ASSEMBLY.
Loose burner jets
Tighten burner jets.
Missing burner jets
Install appropriate burner jets see
BURNER
ASSEMBLY.
Содержание N83701
Страница 1: ...Servic e Manua l Servic e Manua l g distribu c com 6...
Страница 5: ...Final Assembly...
Страница 9: ...Burner Assembly...
Страница 11: ...10 Burner Assembly...