Control System - UTICA BOILERS SFM6225W Installation, Operation And Maintenance Manual

elecTrical wiring should conform with the
latest edition of National Electrical Code ANSI/
NFPA No. 70 and/or local authority having juris-
diction. A separate electrical circuit should be run
tH-1
tH-2
tH-3
tr-1
tr-2
lGV
ps
mr-ps
1K
1K1
sfM indiVidual Module wiring:
Refer to figure #10 below for factory module
wiring.
SFM INDIVIDUAL MODULE WIRING
CAD CELL
CONTROL SYSTEMS
compoNeNt coDiNG
Thermostat (millivolt)
Thermostat (24 Volt)
Thermostat (Line Voltage)
Transformer (120V/24V 40VA)
Transformer (120V/24V 50VA)
24 Volt Gas Valve
Pressure Switch
Manual Reset Pressure Sw.
Control Terminal
Relay Coil
Relay Contacts
sfM indiVidual Module wiring
L4006A
TO LOW
VOLTAGE
CONTROLLER
R8284D
BURNER J-BOX
BLACK
WHITE
ORANGE
BURNER
MOTOR
from the entry box with a fused disconnect switch
in this circuit. Refer to component coding and
wiring code for the following control systems and
wiring diagrams.
1K2
ls
ms
cir
eco
psc
lWco
eWF
pG
* Not all components listed are used in all control systems.
figure #10
BLACK
BLACK
BLACK BLACK
GREEN GREEN
WHITE WHITE
BURNER
BLACK DISCONNECT
BLACK
TRANSFORMER
18
Relay Contacts
Limit Switch
Manual Switch
Circulator
Energy Cut-Off
Pilot Safety Coil
Wire Connection
Low Water Cut Off
Electric Water Feeder
Power Generator
WiriNG coDe
Line Voltage by Factory
Low Voltage by Factory
Line Voltage by Installer
Low Voltage by Installer
J-BOX
L1
L2