4211-195 05-22-12
Page 18
AI
SERIES STEAM BOILER WITH T100 CONTROL
INSTALLATION INSTRUCTIONS
WIRING:
AI
12,
AI
18 and
AI
24, 240/415V~ 50Hz Models
All wiring must be installed by a licensed electrical contractor in accordance with all applicable local and national codes!
Electrical ground required on all steamers.
Electrical Shock Hazard -- High voltage exists within this equipment.
There are no user serviceable parts within this equipment.
Disconnect all electrical supplies when servicing this equipment.
Note:
Jumper factory installed between fi eld wiring terminal blocks to pick off 240V~ for control circuit.
1
2
3
1
2
3
HEAT CONTACTORS
ELEMENT
ASSEMBLY
ELEMENT
ASSEMBLY
BOILER ON
LIGHT
HEAT OKAY
WATER ON
HEAT OFF
LEVEL PROBES
WATER OFF
NEUTRAL
CONTROL
CIRCUIT
FUSE
3 AMP
NON TIME
DELAY
BOILER
OPERATION
MANUAL
RUN
CLOCK
RUN
STEAM VALVE
OPEN LIGHT
MANUAL OPEN
AUTODRAIN CLOCK
(OPTION)
M
3241-04x
POWER & LEVEL CONTROL
PRINTED CIRCUIT BOARD
H
M
L
DRAIN
RELAY
DRAIN VALVE
OPEN LIGHT
ROOM
STATUS
LEDS
DRN
AUTODRAIN
SOLENOID
(OPTION)
OFF
ROOM2 LOCKOUT
NORMAL
STOP FILL
ROOM1 LOCKOUT
ROOM-2
RELAY
ROOM-1
RELAY
HEAT
HEAT
RELAY
FEEDWATER
RELAY
R
OFF
STM
STM
STEAM VALVE
OPEN LIGHT
NORMAL
CLOSE VALVE
WATER VALVE
OPEN LIGHT
NORMAL
CLOSE VALVE
ROOM 2
STEAM
OUTLET
SOLENOID
ROOM 1
STEAM
OUTLET
SOLENOID
FEEDWATER
SOLENOID
BOILER HEATING LIGHT
OPEN
ON RISE
NORMAL
OPEN
ON RISE
H 0
2
PRESSURE
SWITCH 2
PRESSURE
SWITCH 1
RUN CLOCK
(OPTION)
Sensor
Bypass
Room Light
Temp
Sensor
T100
N
Transformer
Transformer
Power
Converter
N
Sensor
Bypass
Room Light
Temp
Sensor
T100
N
Power
Converter
N
R
OOM 1
R
OOM 2
D
415V~ 3 Phase
240V~ 1 Phase
L1
L2
L3
240V
N
NOT USED
240V~
N
240V~
N
Interface Box
Interface Box
EARTH
M
