11
c. Slowly drain the boiler of water.
For all Series PS-851 (both auto and manual reset units)
1.
When water drops off the probe, the Green light will remain "ON".
2.
The Red light will turn “ON” and the burner will turn “OFF”, if water is off the probe.
Manually Testing Control
For Series PS-851 & PS-851-M with Red (Low Water) and Green (Power) Lights
(continued)
d. Depressing test button with "water on probe" (auto reset units only):
(Must depress and hold the test button to activate test cycle.)
1.
When test cycle is activated the Green light will flash.
2.
The Red light will turn “ON”.
3.
Burner will turn "OFF".
4.
The Green light will continue flashing as long as test button is depressed.
(Release test button, if water is still on probe)
5.
The Green light will stop flashing and turn "ON".
6.
The Red light will turn "OFF".
7.
Burner will turn "ON" as long as there is water on the probe.
Testing Control Using "Test Button"
e. Depressing test button with "water on probe" (manual reset units only):
(Must depress and hold test button to activate test cycle.)
1.
When test cycle is activated the Green light will flash.
2.
The Red light will turn "ON".
3.
Burner will turn "OFF".
4.
The Green light will continue flashing as long as test button is depressed.
(Release test button. You must depress the manual reset button to unlock low water cut-off.)
5.
After depressing manual reset button, the Green and Red lights will flash simultaneously 4 times.
6.
Then the Green light will turn "ON" and the Red light will turn "OFF".
7.
The burner will turn "ON" as long as there is water on the probe.
(Warning: To prevent flooding, never use a “water feeder” with a manual reset low water cut-off.)
f. Depressing test button with "water off probe" (both auto and manual reset units):
Since control is in "low water" the Green light will flash and the Red light will remain “ON”. The burner will
remain “OFF”.
