Installation Guide

R7284B,P,U,G ELECTRONIC OIL PRIMARY, ENVIRACOM™ ENABLED
69-2467—01 4
Fig. 4. R7284 Limit wiring for line voltage thermostat,
Aquastat, or other Limit.
Fig. 5. R7284 wiring for optional oil valve.
Fig. 6. R7284 igniter wiring.
Fig. 7. Wiring R7284P,U without EnviraCOM™, for
typical oil-fired boiler.
Fig. 8. Wiring R7284U without EnviraCOM™, for
typical oil-fired boiler.
R7284P, U
L1
L1
LIMIT
R7284B, G
L1
AQUASTAT
OR OTHER
LIMIT
L1
……
……
AQUASTAT
OR OTHER
LIMIT
M32179
VALVE
R7284B, P, U
BURNER
MOTOR
L2
R7284A, G
BURNER
MOTOR
L2
……
……
BURNER
MOTOR
BURNER
MOTOR
VALVE
VALVE
M32180
R7284B, P, U
L2
IGNITER
IGNITER
INTERRUPTED IGNITION
INTERMITTENT IGNITION
R7284G
BURNER
MOTOR
L2
IGNITER
INTERMITTENT
IGNITION
……
……
BURNER
MOTOR
BURNER
MOTOR
BURNER
MOTOR
M32181
L2
POWER SUPPLY. PROVIDE DISCONNECT MEANS
AND OVERLOAD PROTECTION AS REQUIRED.
REFER TO DEVICE LABEL FOR WIRE COLOR CODE.
VALVE IS OPTIONAL ON SPECIFIC MODELS.
ENVIRACOM™ TERMINAL 3 IS ALSO THE FIRST THERMOSTAT TERMINAL.
THE JUMPER MAY BE OMITTED IF THE R7284 IS CONFIGURED TO IGNORE
THE TT TERMINALS.
1
R7284
IGNITER
M32182
L1
1
CAD
CELL
2
3
4
5
3
4
5
2
2
2
BURNER
MOTOR
CIRCULATION
PUMP
L2
B2
C2
C1
BURNER
MOTOR
IGNITER
VALVE
VALVE
CAD
CELL
L1
B1
LIMIT
JUNCTION
BOX
T
T
3
2
1
T
T
LEGEND:
SCREW TERMINAL
1/4 IN. QUICK CONNECT TERMINAL
SOLDERLESS WIRE CONNECTOR
THERMOSTAT
L8148A,C
JUMPER
AQUASTAT®
CONTROLLER
R
W
ENVIRACOM™
TERMINAL
L2
POWER SUPPLY. PROVIDE DISCONNECT MEANS
AND OVERLOAD PROTECTION AS REQUIRED.
REFER TO DEVICE LABEL FOR WIRE COLOR CODE.
ENVIRACOM™ TERMINAL 3 IS ALSO THE FIRST THERMOSTAT TERMINAL.
THE JUMPER MAY BE OMITTED IF THE R7284 IS CONFIGURED TO IGNORE
THE TT TERMINALS.
1
R7284
IGNITER
M32191
L1
1
CAD
CELL
2
3
4
3
4
2
2
2
BURNER
MOTOR
CIRCULATION
PUMP
L2
B2
C2
C1
BURNER
MOTOR
IGNITER
VALVE
CAD
CELL
L1
B1
LIMIT
JUNCTION
BOX
T
T
3
2
1
T
T
LEGEND:
SCREW TERMINAL
1/4 IN. QUICK CONNECT TERMINAL
SOLDERLESS WIRE CONNECTOR
THERMOSTAT
L8148A,C
JUMPER
AQUASTAT®
CONTROLLER
R
W
ENVIRACOM™
TERMINAL