Install Instructions

70
Schematic Diagram - F9/M9 Unit
500,000 Btu/hr Models
Wiring Diagram - F9/M9 Unit
500,000 Btu/hr Models
P=PINK
PV
PV/MV
MV
R
BK
BL
BL
PR
GR
R
Y
R
W
R
W
PR
BL
P
PR
O
O
O
BL
Y
O
2
1
PRPR
P
BK
BL
Y
O
BK
T
BK
P
OPERATOR
GY
AC
24V
PR
BL
Y
W
W
P
W
PR PR
W
24COM
24V
BK
W
BL
B
X
R1
W1
L
B
Y
W
K
B
INLET
GY
GY
BL
BL
BK
BK
OPTIONAL
Y
PR
1
2
3
4
5
T
FLOW
OPTIONAL
JUMPER
JUMPER
Y
PV
T
Y
INLET
BK
3
2
14
5
321
4
5
R
PR Y
T W
Y
Y
COM
N.O.
PR
PR
M
NEUTRAL
LINE
1 2
3
1
2
3
GY BK
CN9
CN9
W
GY
YGY
GY
P
P
GY
1
3
4
2
O
6
T=TAN
Y=YELLOW
BR=BROWN
G=GREEN
GY=GRAY
R=REDPR=PURPLE
BL=BLUE O=ORANGE
PR TW
R
Y
SPLICE
SPLICE
SPLICE
SPLICE
SPLICE
SPLICE
SPLICE
PV
MV
SPARK
MV/PV
YBLR GYW G
C
NO
NC
C
NO
NC
DC
24V
AC
24V
C
NO
NC
A
P2
P1
1
2
BL
W
Y
BK
Y
BK
O
BR
T
OPTIONAL
R2
W2
O
P
V
P
C
NO
120VAC
W
BK
BK
Y
Y
GY
BK
GY
GY
GY
GY
SYSTEM/ TANK
SYS/
TANK
PROVING
SWITCH
LOUVER
CONTACTS
LBL2726
REV E
OPTIONAL
LOUVER
CONTACTS/PROVING
120VAC
60Hz
LOUVERS
FIELD
PROVIDED
LOUVER
MOTOR
I/O
RESET BOARD
"BOILER ONLY"
SEE MANUAL
MOUNTED
ON
OPERATOR
OPTIONAL
ALARM
CIRCUIT
TIME
DELAY
RELAY
ALARM
CONTACTS
FIELD
PROVIDED
OPTIONAL
OUTDOOR
AIR RESET BOARD
"BOILER ONLY"
PUMP RLY
PV/MV
MV
ENABLE
CN1
DISABLE
SENSOR/WIRING
O.A.
SENSOR
STG #2
Hi-Fire
PILOT/
SPARK
DISCONNECT
POWER BEFORE SERVICING
W
= WHITE
BK
= BLACK
HOT
24
24V
GND
GND
BRN
MODIGNITION
SPILL
SWITCH
CHASSIS
GROUND
24VAC
GROUND
STG #1
Lo-Fire
GROUND
CHASSIS
FIELD INSTALLED
OPTIONAL
MANUAL
RESET
LIMIT
HIGH
OPTIONAL
ADJUSTABLE
HIGH LIMIT
ROLL-OUT
SWITCH
SYSTEM PUMP
ON
STANDARD
BOILERS
PUMP
DELAY RELAY
STANDARD ON
WATER HEATERS
REMOTE
THERMOSTAT
OPTIONAL
VENT
DAMPER
24VAC
RELAY
SWITCH
POWER SUPPLY
RESET
MANUAL
JUNCTION
BOX
AUTO
RESET
OPTIONAL
PUMP
AUTO-RESET
HIGH-LIMIT
HIGH
LIMIT
LIMIT
SWITCHES
OPTIONAL
POWER
VENTER
PROVING
XFMR.
24VAC
C
NC
BL
1
2
3
4
C
1
(+)
(+)
USE ELECTRICAL CONNECTION 1& 2
10 Diagrams
Installation & Service Manual