Operator's Manual: Models CB-1750, CB-2500 & CB-3250
B-8
Figur
e B8 - Ladder
Schematic for
CB-3250 (1
15
Volts)
PROVING SWITCH
MODEL CB-3250-UH/CF
BURNER MOTOR
BLOCK THERMOSTAT
ACTUATED BY BURNER MOTOR
NOZZLE ADAPTOR THERMOSTAT
- CONNECTION TO
CUSTOMER POWER
- CONNECTION AT
INSIDE FURNACE
(6 X 6 INCHES)
JUNCTION BOX
RELAY TERMINAL
130°
140°
N. C. HELD OPEN
CENTRIFUGAL SWITCH
RD
BK
WHT
GRN
WHT
GRN
BK
RD
OIL SOL.
HOUR METER
400 WATTS BLOCK HEATER
140 WATTS NOZZLE HEATER
AIR PRESSURE
G
POWER ON
PUMP ON
A
B
E
R
R
N
U
DRAFT INDUCER MOTOR
120°
R
(OPTIONAL)
C
E
A
N
DRAWING : I44123
F
U
115 VOLTS / 60 Hz
OIL
WHT
AIR COMPRESSOR (OPTIONAL)
IGNITION TRANSF.
CONTROL
PRIMARY
BL
OR
SPARK GAP
F
CELL
CAD
BK
F
T
24 VOLTS
AQUASTAT
OPERATING
T
AIR SOL.
SECONDARY TEMP SWITCH N/C
(ON METAL SURFACE:33288)
BLOWER SWITCH
(METAL SURFACE; 33230)
HI LIMIT TEMP SWITCH N/C
(ON METAL SURFACE:33390)
PUMP PRIME SWITCH
OIL PUMP MOTOR
3
M
M 2
N
L1
OPTIONAL
DISCONNECT
SERVICE
SWITCH
1
BLOWER MOTOR
110 VOLTS COIL
DOUBLE POLE RELAY
1
R
M C
M
(WIRED FOR 115 V)
PRIME
BURNER
Содержание CB 140
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Страница 8: ...TABLE OF CONTENTS APPENDIX C Furnace Service Record C 1 ...
Страница 40: ...Operator s Manual Models CB 1750 CB 2500 CB 3250 3 20 ...
Страница 72: ...Operator s Manual Models CB 1750 CB 2500 CB 3250 5 6 ...
Страница 80: ...Operator s Manual Models CB 1750 CB 2500 CB 3250 7 4 ...
Страница 96: ...Operator s Manual Models CB 1750 CB 2500 CB 3250 9 10 ...
Страница 104: ...Operator s Manual Models CB 1750 CB 2500 CB 3250 10 8 ...
Страница 116: ...Operator s Manual Models CB 1750 CB 2500 CB 3250 A 12 BLOWER ASSEMBLY CB 1750 2 4 5 6 7 2 8 9 10 1 11 12 1 3 I88954 ...
Страница 128: ...Operator s Manual Models CB 1750 CB 2500 CB 3250 A 24 ...
Страница 142: ...Operator s Manual Models CB 1750 CB 2500 CB 3250 C 2 ...