Bradford-White Corp BJVT, BJVS warranty Wiring Diagram, Spark Ignition, Two-Stage Bjvs

Brute Mini Hydronic Boiler Page 19

Figure 9e. Wiring Diagram, Spark Ignition, Two-Stage (BJVS 100-225).

	110V				110V
	Hot				Neutral
			Zone	Space Heating
				Pump
			Pump
				(Field Supplied)
			Relay
		1	3
			115V
			24V
Fuse			Thermostat		Zone
		Boiler	Field	Boiler	Pump
Zone	4	Terminal	Supplied	Terminal	Relay
Pump		R		W	R
Relay
		Boiler	Optional	High
Zone		Terminal	Aquastat	Limit
	6
Pump		A
Relay
				Vent
				Damper
				Receptacle

Power

Ignition Control

Jumper

Venter

Receptacle

Blocked Roll-Out

VentSafety

Safety Switch

Switch

MV

C

LO HI

W W

B B

1 MV

2 MV/PV

3 PV

4 GND

5 24V (GR)

6 24V

7 TH-W

8 MV

9 SPARK

Pilot Burner With

Spark Electrode

Sensor

SPARK

R R

PV

HI

Two-Stage Two-Stage

Gas ValveAquastat

HW VR8304

Remote Flame Sensor

High Altitude

(Optional)

Figure 9f. Schematic, Two-Stage (BJVS 100-225).