
Series PS-802for Steam BoilersSeries PS-852for Hot Water BoilersProbe Type Low Water Cut-OffsApplications:– For residential and commercial application
10e. Depressing test button with "water on probe" for Series PS-802-M (manual reset units only):(Must depress and hold the test button for m
11c. Slowly drain the boiler of water.For all Series PS-852 (both auto and manual reset units)1. When water drops off the probe, the Green light will
If control fails to operate as required, perform the following diagnostic checks:1. Check to be sure that the water level in the boiler is at or above
Green(Power On)Red(Low Water)2SPECIFICATIONSINSTALLATIONTOOLS NEEDED:One (1) flathead screwdriver, and one (1) pipe wrench.For Remote Installations a
3ADa. Based on the following criteria locate a suitable position for the probe (A):b. Sparingly, apply pipe sealant to the externalthreads (D) of the
4GFFb. Using a flathead screwdriver, loosen theprobe mounting screws (F) 1/8" (3mm) about1-1/2 turns and slip the control housing (G)over these t
5LKJAa. Slip the ring terminal lead (J) followed by thelockwasher (K) over the threaded end of theprobe (A). Tighten the wing nut (L) onto theprobe to
6STEP 4 - Control Wiring• To prevent electrical shock, turn off the electrical power before making electrical connections.• This low water cut-off mus
AB7Wiring harness is provided by boiler manufacturer.NOTEDo not use force to insert plug. This may damagereceptacle solder connections.!CAUTIONNPMd. F
8STEP 5 - TestingAll Models with Red (Low Water) and Amber (Test) LightsOFFONa. Before filling the system, turn on the electric power to the boiler. S
9b. Now fill the boiler with water.For Series PS-802 (auto reset units only)1. When water touches the probe, the Red light will start flashing for 15-
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