Pub. No. 18-HE122D1-1-EN
Numbers in [brackets] are for 50 Hz international systems.
15
Installer’s Guide
ELECTRICAL CONNECTIONS TO AN OIL FURNACE
R1
R1
THERMOSTAT
FURNACE
FAN CENTER
SINGLE STAGE OIL FURNACE TO AIR CLEANER
OIL BURNER PRIMARY
NOTE 3
NOTE 2:
NOTE 2
NOTE 2
NOTE
1
NOTE 1:
Y
G
W
RH
Y
G
W
C
T
T
R
BR
G
W
B
Bk
GND
R
If thermostat being used has separate RC and
RH terminals, jumper RC and RH together.
Oil burner primary TT contacts must be isolated
using field supplied relay (RLY00925) or equivalent.
NOTE 3:
The black wire (Bk) from ACCE unit must be connected
to chassis ground to ensure proper operation.
NOTE 2:
NOTE 1:
If thermostat being used has separate RC and
RH terminals, jumper RC and RH together.
Oil burner primary TT contacts must be isolated
using field supplied relay (RLY00925) or equivalent.
NOTE 3:
The black wire (Bk) from ACCE unit must be connected
to chassis ground to ensure proper operation.
R1
R1
THERMOSTAT
AIR
CLEANER
AIR
CLEANER
VARIABLE SPEED OIL FURNACE TO AIR CLEANER
OIL BURNER PRIMARY
NOTE 3
NOTE 2
NOTE 2
NOTE
1
Y/
Y1
Y/
Y2
R/
RC
R/
RC
G
W
B
RH
G
W1
BCC
T
T
R
O
BR
G
W
B
Bk
GND
R
FURNACE
LOW VOLTAGE
TERMINAL
BLOCK
BK
Factor
y
Jumpered
s
s
WARNING
!
HAZARDOUS VOLTAGE! DISCONNECT ALL ELECTRIC
POWER, INCLUDING REMOTE DISCONNECTS
BEFORE SERVICING. FOLLOW PROPER LOCKOUT/
TAGOUT PROCEDURES TO ENSURE THE POWER
CAN NOT BE INADVERTENTLY ENERGIZED. FAILURE
TO DISCONNECT POWER BEFORE SERVICING
COULD RESULT IN DEATH OR SERIOUS INJURY.
Refer to the diagrams below for proper connections
to an oil furnace. Consult the oil furnace installer's
guide for additional information.
