QUINCY HYDRONIC TECHNOLOGY SG-3, Инструкция по установке и эксплуатации

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Biasi SG Pro Series Page 23
The electricity to the boiler shall come from a dedicated breaker in the electric
service box. A service switch should be mounted on the side of the boiler so the burner
technician can service the burner and controls. The electrical wiring should be routed so as not
to interfere with normal servicing of the boiler. Wiring done in the field between devices not
attached to boiler shall conform with the temperature limitations for type T wire (63F/35C) or
other specified wire as applicable when installed in accordance to manufacturer's
instructions and wiring diagrams.
If an external electrical source is utilized, the boiler, when installed, must be electrically
bonded to ground in accordance with the requirements of the authority having jurisdiction or, in
the absence of such requirements, with the National Electrical Code, ANSI/NFPA 70 and/or the
Canadian Electrical Code Part 1, CSA C22.1, Electrical Code.
Wiring the boiler
Power for the SG Pro series boiler
should be brought to the junction box in the
back of the boiler under the top panel
(Figure 12.1). Line voltage from the fire-o-
matic should be applied to the black wire.
The neutral leg should be connected to the
white wire and the ground to the green
wire. If a external circulator will be
controlled by the Hydrolevel control, use
the red wire in the junction box to power the
circulator. The dry contact switch for the
Hydrolevel low voltage control circuit (TT)
should be connected to the terminals on the
right rear of the boiler (Figure 12.2).
Direct Vent Applications
On applications with Direct Vent Burners a field installed jumper is required from terminal #3 to
terminal #7. The capped off black wire also needs to be terminated to #7. This provides a fused
constant 120volt power supply for the post purge of the burner.
Refer to pages 26 to 28 for oil wiring diagrams and page 29 for gas
wiring diagrams.
12.1 Wiring
Figure 12.1
Figure 12.2