Hydrolevel 3150 User Manual download pdf (Page 7)

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TEMP ACTIVE Indicates that the HydroStat control is

powered and that the temperature function is active.

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TEMP HIGH TEMP Illuminates when the boiler water

temperature reaches the high limit setting. It will remain lit

until the water temperature falls below the high limit setting

less the differential setting. The HydroStat control will prevent

burner operation while this LED is on. NOTE: This LED

illuminates regularly during normal boiler operation.

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LWCO ACTIVE Indicates that the low water cut-off

(LWCO) function of the HydroStat control is active. When the

control is installed with a Hydrolevel Electro-Well, this LED

will be on at all times when the control is powered.

NOTE: If the control was installed with a well other than the

Electro-Well, this LED will not illuminate. This indicates that

the control is providing temperature function only.

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LWCO LOW WATER Indicates that the boiler is in a

low water condition. The HydroStat control will prevent

burner operation during this condition. If the LOW WATER

light is blinking, the control has been programmed to provide

lock-out protection in the event a low water condition is

detected (see Manual Reset Low Water Cut-Off on page 5).

Pressing the TEST/SETTINGS button will reset the control.

IMPORTANT: The system must be checked by a qualified

heating professional prior to resuming operation.

WARNING: ALLOW THE BOILER TO FULLY COOL

BEFORE ADDING WATER.

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TEST/SETTINGS Button

To Test Low Water Cut-Off: Press and hold the

Test/Settings button for 5 seconds. The display will read

LCO.

LWCO TEST

0000

The red Low Water light should illuminate and the burner

circuit (B1 and B2) should de-energize. NOTE: The control

must be installed with a Hydrolevel Electro-Well for low water

cut-off functionality (see page 1 for more details).

To View Current Settings: Press and release the

Test/Settings Button in short intervals to sequentially display

the following settings:

HIGH LIMIT SETTING

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HIGH DIFFERENTIAL SETTING

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LOW LIMIT SETTING

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LOW DIFFERENTIAL SETTING

The display will return to boiler temperature (default) if

Test/Settings Button in not pressed for 5 seconds.

LED LEGEND

HydroStat 3150 Instructions Page 7

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Hydrolevel 3150 User Manual Page 7

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