Saturn 125 - Ladder Schematic

Operator's Manual: Models Saturn™ 140 & Saturn™ 230
B-3
FIGURE B3 - Ladder Schematic for Saturn™ 140/230 with Saturn™ A2 Burner (120 Volts / 60 Hz)
HI LIMIT TEMP SWITCH N/C
CENTRIFUGAL SWITCH
SERVICE
SWITCH
3/5/10
DATE
DWG. No.
DATE:
BY
44125
DRS
CUSTOMER POWER
- CONNECTION TO
WHT
GRN
WHT
GRN
RD
BK
BK
RD
DISCONNECT
OPTIONAL
WHT
OIL
PRIMARY
CONTROL
AIR COMPRESSOR (OPTIONAL)
TWO 140 WATTS BLOCK HEATERS
BLOCK TEMP. SWITCH
BURNER MOTOR
3M
AIR PRESSURE
BL
POWER ON
OIL SOL.
AIR SOL.
U
R
N
E
R
B
MODEL SATURN 140 / 230
PROVING SWITCH
120°
CAD
CELL
BK
F F
HOT NEUTRAL
THERMOSTAT
WALL
T T
OIL PUMP MOTOR
M2
DWG. No.............
44125
FAN SWITCH
(METAL SURFACE: 33230)
M1
FAN MOTOR
(ON METAL SURFACE:33390)
SECONDARY TEMP SWITCH N/C
(ON METAL SURFACE:33288)
F
U
R
N
A
C
E
DRAFT INDUCER
MOTOR (OPTIONAL)
150°
TM
OR
IGNITION TRANSF.
SPARK GAP
PRIME
BURNER
TOGGLE SWITCH
ON FURNACE CABINET
TOGGLE DOWN : BURNER
TOGGLE UP : PRIME
D P D T
PUMP ON
A
HOUR METER
N.M.S.
5-12-11
A