Xylem MM 277G Model RB-24E-S , Model RB-24E-A , Model RB Manual de usuario descargar pdf (Pagina 7)

STEP 4 - Testing

Before filling the system, turn

the electric power to the

boiler. The low water cut-off's green "Power On" LED

should

illuminated. With the room thermostat set

"heat:' confirm that the burner

will

not

operate without

water

the system. The low water cut-off's

red

LED

should

illuminated.

NOTE:

The burner will come

briefly

second or less)

and then shut off to verify proper operation.

Fill the system with water. When water

just above the

probe, the

low water cut-off's

red

LED

should turn

off.

c. Check and confirm that the boiler's thermostat, burner and

safety

limits are operating properly after filling system and

before

leaving the site.

Check the threaded connection of the low water cut-off for

leakage. Tighten, if necessary.

Testing Control Using "Test

Button"

Cable

Connector

Red LED

Low Water

Power

o-....."",.~--

Green

LED

~I-+-

Test

Button

Pressing the "Test

Button"

interrupts

the probe

circuit

which

simulates water

off

the probe.

Press and hold "test button" while burner

running.

b. The burner

should turn OFF and

red

light turn

if burner

wired correctly.

c. Release the test button and the

red

light should turn off and the boiler should turn

provided that the boiler water

contact with the probe.

INSTALLATION COMPLETE

1 2 3 4 5 6 7 8

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Xylem MM 277G Model RB-24E-S , Model RB-24E-A , Model RB Manual de usuario Pagina 7

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