Buderus Logamax plus - Electrical Connections; External Connection Board and Low Voltage Wiring

Electrical connections7
Logamax plus GB162-80 kW/100 kW - Subject to modifications resulting from technical improvements!30
7 Electrical connections
Devices such as pumps, outdoor sensor and 3-way valve
are all connected to the external connection board.
The electrical connections to the boiler must be made in
accordance with all applicable local codes and the latest
revision of the National Electrical Code, ANSI/NFPA-70.
If installed in Canada, electrical connections should conform
with CSA C22.1 Code part 1.
7.1 External connection board connections
z Open the boiler door.
z Remove the screw to release the cover over the elec-
trical connections and pull the cover upwards (fig. 29).
7.1.1 Routing the cable through the boiler
z Route the cable for the low-voltage connections through
the opening on the left (fig. 30, pos. 1).
z Route the cable for the 120 VAC connections through the
opening on the left (fig. 30, pos. 2).
z Route and attach the cable for the 120 VAC connections
using the strain relief clamps (fig. 30, pos. 3).
z Only the 120 V electrical connections require a 14 gauge
wire.
Fig. 29 Removing the cover
WARNING
Danger of fatal accident due to electric shock.
120 VAC-connections may be present on the
external connection board when power is
supplied to the boiler.
Fig. 30 Routing the cable
1
2
3