EDS801/3 page7
Boiler control panel and wiring
Key to figs 6 and 7
EC1 External Energy Control 1(eg timeclock)
L1 On/off indicator lamp
L2 Boiler high limit lock-out lamp (lamp is illuminated when
running and goes out in lock-out condition)
L3 Stage 1 run lamp
L4 Stage 2 run lamp
STB High limit thermostat (factory set)
TR Boiler thermostat (1-stage for CKCR1 or dual operation [TR
and TR2] for CKCR2)
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