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Dunkirk Helix VLT Vertical Laser Tube, Wall Hung Modulating Condensing Boiler User Manual

Page 62

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62

13 - TROUBLE SHOOTING

Supply W

ater T

emperature 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?