
DIMENSIONS SPECIFICATIONS
VOL AGE 24 VAC
POWER CONSUMP ION 1 VA
SWI CHING CAPACI Y 50 VA
MAX LOAD 5 Amps
MAX PRESSURE 160 SI (11.25 kg/cm2)
MAX WA ER EMPERA URE 250°F (121°C)
MAX AMBIEN EMPERA URE 170°F (77°C)
OPERATIONAL TEST PROCEDURE
IMPOR AN : Do not run boiler unattended until the following procedure is completed
1. Before raisin the water level above the Model 1100M, turn on power to the boiler and set the thermostat to call for heat. Both the reen
“POWER” LED and amber “LOW WATER” LED should illuminate. The burner should not fire. IMPORTANT: If the burner fires with no water
at the probe, immediately shut down power to the boiler and refer to the Trouble Shootin instructions below.
2. After 30 seconds, the amber LED will be in to blink indicatin that the control is locked out.
3. Proceed to fill the boiler with water. When water reaches the LWCO position, the amber LED will continue to blink. Press the TEST/RESET
button to reset the control from lockout. The burner should fire. If the burner does not fire, refer to the Trouble Shootin instructions below.
4. Turn off the power to the boiler and finish fillin the system.
5. Before leavin the job, power up the system and push the TEST/RESET button on the Model 1100M to simulate a low water condition. The
amber “LOW WATER” LED should illuminate and the burner should shut down.
6.
To test the lockout feature, push and hold the TEST/SETTINGS button for 30 seconds. The “LOW WATER” (amber) LED will be in to blink, indi-
catin the control has locked out the burner circuit in a low water condition. After the LED be ins blinkin , release the button. The “LOW
WATER” LED should continue to blink and the burner should remain off. Press the TEST/SETTINGS button briefly to manually reset the control.
TROUBLE SHOOTING
IF HE BURNER DOES NO SHU DOWN
(when water is below the probe or when the TEST button is pressed)
1. Turn off boiler power immediately and re-check wirin .
2. Turn off boiler power and drain system. Remove low water cut-off
and check for adequate clearance – no metal should be in contact
with the control’s metal probe tip.
IF HE BURNER DOES NO FIRE
1. Make sure water has reached the level of the control.
2. Check reen wire for proper round. Make sure the wire is attached
to an unpainted surface that is electrically common to the boiler.
3. Check to ensure the control’s metal probe tip is not surrounded by
an air pocket. Shut down power to the boiler and slowly loosen,
but do not remove, the control. Allow any air to escape. When
water be ins to seep past threads, reti hten the control.
4. Re-check wirin and check for correct incomin volta e.
4 1100M-0913
SERVICE & MAINTENANCE
EVERY YEAR Check control operation annually by pressin the TEST/RESET button. The amber “LOW WATER” LED should illuminate and
the burner should shut down.
5 YEARS Remove the low water cut-off every five years and clean all surfaces in contact with water.
126 Ba ley Road, North Haven, CT 06473 • Phone (203) 776-0473 • FAX (203) 764-1711 • www.hydrolevel.com