Sussman ES - Page 6

Sussman Boilers
Installation, Operation & Maintenance Manual
Wiring Diagram Control Circuit
RELAY
FIELD WIRING
FACTORY WIRING
PILOT
LIGHT
L
OPERATING
PRESSURE
CONTROL
PROPORTIONING
PRESSURE CONTROL
135 OHM
COM
SEQUENCER
HIGH LIMIT
PRESSURE
CONTROL
LIQUID
LEVEL
CONTROL
ON-OFF
SWITCH
CONTROL
TERMINAL
BLOCK
120V 1PH
INPUT
L N
L1 L2
SOLENOID VALVE
C1
C2
C3
C4
CONTACTORS
1
2
3
4
PUMP MOTOR
P2
P3
P1
R
120V COM
M
S
M
ES and SSB Electric Boilers with Sequencer
RELAY
FIELD WIRING
FACTORY WIRING
PILOT
LIGHT
L
L2 L1
G
NC
COM
NO
OPERATING
PRESSURE
CONTROL
HIGH LIMIT
PRESSURE
CONTROL
LIQUID
LEVEL
CONTROL
AUX LWCO
PC BOARD
TO
PROBE
ON-OFF
SWITCH
CONTROL
TERMINAL
BLOCK
120V 1PH
INPUT
LN
SOLENOID VALVE
CONTACTORS
PUMP MOTOR
P2
P1
R
C1
C2
S
M
GND
LOW
RESET
ES Electric Boiler with Auxiliary Low Water Cutoff
6