Room thermostat, Additional heating device 120v – Dunkirk Helix VLT Vertical Laser Tube, Wall Hung Modulating Condensing Boiler User Manual
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Figure B4 - Wiring DHW Stainless Condensing Boiler with Low Temperature Additional Heating Device
6
5
4
T T
AR822-II
T T
3
ROOM
THERMOSTAT
DHW
NOTE: REMOVE FACTORY
INSTALLED JUMPER
BETWEEN L1 & 3
T
T
DHW
ADDITIONAL
HEATING
DEVICE
120V
L1
L2
SECTION B - STAINLESS CONDENSING BOILER OPERATING WITH LOW TEMPERATURE HEATING DEVICE