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Temperature Regulator – Annex
CAUTION
· OB-30 · 30U (for heating)
Trouble
Temperature
does not rise.
Temperature
rises
excessively.
Large error of
temperature
control.
Outside
leakage.
· OB-31 · 31U (for cooling)
Trouble
Temperature
lowers
excessively.
Temperature
does not lower.
Large error of
temperature
control.
Outside
leakage.
Special thermal bulb
13
· OB-30 Series (for heating)
Completely discharge the internal pressure from the valves before disassembly.
-37
13
Please refer to the manual attached to the product for procedures for installation and operation.
Cause
Inadequate adjustment. .....................................
Insufficient drainage from the trap ....................
of heat exchanger, etc.
Inadequate adjustment. .....................................
Foreign substances are stuck between ............
disc and valve seat, or either of the parts is damaged.
The thermal bulb or bellows is damaged. ..........
The thermal bulb and thermometer ...................
are installed in wrong positions.
Inlet pressure is too high. ..................................
Leakage from the gasket. ..................................
Balance bellows is damaged. ............................
Cause
Inadequate adjustment. .....................................
Foreign substances are stuck between ............
disc and valve seat, or either of the
parts is damaged.
Inadequate adjustment. .....................................
Thermal bulb or bellows is damaged. ...............
Thermal bulb and thermometer are ...................
installed in wrong positions.
Inlet pressure is too high. ..................................
Leakage from the gasket. ..................................
Balance bellows is damaged. ............................
Readjust according to the adjustment procedures.
Check the trap and replace it if necessary.
Readjust according to the adjustment procedures.
Remove the foreign substances. If there is damage on the
parts, please contact us to disassemble and replace the parts.
Replace the sensor.
Reinstall them at points where circulation is best.
When steam consumption is small, lower the the
inlet pressure for better temperature control.
Retighten the gasket, or disassemble the product to
replace the part.
Disassemble the product and replace the balance bellows.
Readjust according to the adjustment procedures.
Remove the foreign substances. If there is
damage on the parts, please contact us to
disassemble and replace the parts.
Readjust according to the adjustment procedures.
Replace the sensor.
Reinstall them at points where the circulation is best.
Lower the inlet pressure for better temperature control.
Retighten the gasket, or disassemble the product to replace the gasket .
Disassemble the product and replace the balance bellows.
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Remedy
Remedy
Temperature regulator
Thermal well (stainless steel)
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