Honeywell EnviraCOM R7284B Manual page 5

R7284
T
T
3
2
1
4
ENVIRACOM™
BURNER
TERMINAL
MOTOR
IGNITER
VALVE
SCREW TERMINAL
LEGEND:
SOLDERLESS WIRE CONNECTOR
1 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD
PROTECTION AS REQUIRED.
2 REFER TO DEVICE LABEL FOR WIRE COLOR CODE.
3
VALVE IS OPTIONAL ON SPECIFIC MODELS.
4
ENVIRACOM™ TERMINAL 3 IS ALSO THE FIRST THERMOSTAT TERMINAL.
Fig. 9. Wiring R7284P,U with EnviraCOM™
connections, for typical oil-fired boiler.
R7284B,P,U,G ELECTRONIC OIL PRIMARY, ENVIRACOM™ ENABLED
3
T T/3 2 1 TH9421C
VisionPRO IAQ
AQUASTAT®
CONTROLLER
B2
B1
L7224/48
LIMIT
L1
L2
2
BURNER
MOTOR
2
IGNITER
2
VALVE
3
CAD
CAD
CELL
CELL
JUNCTION
BOX
1/4 IN. QUICK CONNECT TERMINAL
2 1
L1
L2
1
L2
1
L1
(HOT)
SYSTEM
TRANSFORMER
ENVIRACOM™
TERMINAL
M32183
SCREW TERMINAL
LEGEND:
SOLDERLESS WIRE CONNECTOR
1 POWER SUPPLY. PROVIDE DISCONNECT MEANS
AND OVERLOAD PROTECTION AS REQUIRED.
2
REFER TO DEVICE LABEL FOR WIRE COLOR CODE.
3 VALVE IS OPTIONAL ON SPECIFIC MODELS.
4
FACTORY INSTALLER JUMPERS.
5 ENVIRACOM™ TERMINAL 3 IS ALSO THE FIRST THERMOSTAT TERMINAL.
Fig. 10. Typical wiring diagram for EnviraCOM™
enabled thermostat and R7284P,U for an
IMPORTANT
System as shown in Fig. 10 is phase/polarity
sensitive. Make sure all input power is in the
same phase.
5
T8635L
C7089B
OUTDOOR
TEMPERATURE
OT OT 1
SENSOR
W8635A
1
2
3
C
R
R H
R C
4
R7284
T
LIMIT
T
3
L1
2
L2
1
2
BURNER
5
MOTOR
2
IGNITER
2
VALVE
CAD
CAD
CELL
CELL
JUNCTION
BOX
1/4 IN. QUICK CONNECT TERMINAL
oil-fired forced-air system.
2
3
FAN
G
RELAY
W1
W2
COOL 1
Y1
RELAY
Y2
COOL 2
RELAY
LIMIT
1
L1
HOT
L2
BURNER
MOTOR
IGNITER
VALVE
3
M32184
69-2467—01