User Manual

ManualsBrandsDunkirk ManualsWater boilerHelix VLT Vertical Laser Tube, Wall Hung Modulating Condensing Boiler

62

13 - TROUBLE SHOOTING

Supply Water Temperature Sensor

Resistance Chart

Disconnect wire harness from

High Temperature Supply

Switch. Measure resistance

across terminals 2 and 4. Does

temperature fall within ranges

shown in chart?