L.B. White 400-650K Tradesman - Manuel (Page 18)

4 18
WIRING DIAGRAM
WARNING!
SHOCK HAZARD.
To prevent personal injury,
unplug the power cord before replacing fuse.
WARNING!
FIRE HAZARD. To avoid fire, Do not substitute
with a higher or lower current rating.
NOTE: Specified fuse rating: AC 250/20A
- Unplug heater.
- Turn Fuse Cover COUNTERCLOCKWISE 45° using a flat blade
screwdriver and remove Fuse from Fuse Holder.
- Replace Fuse with enclosed fuse.
NOTE: The heater is fuse protected. If your heater fails to ignite,
DO NOT RETURN YOUR HEATER TO THE STORE.
Please follow the simple instructions below to inspect and change
the fuse.
- Turn Fuse Cover CLOCKWISE 45° using a flat blade screw-
driver while slightly pushing.
REPLACING FUSE
Figure 25 – Replacing Fuse
Fuse Holder
Fuse
Fuse Cover
Figure 26 – Wiring Diagram Model CP400CK
Wiring Diagram
CN7
CN3
CN4
60Hz
AC120V
EARTH
PLUG
POWER
BLACK
WHITE
GREEN EARTH
GREEN
OUTLET
ELECTRIC
POWER LAMP
ROOM SENSOR PHOTOCELL
CN5
WHITE
WHITE
(TEMP. CONTROL)
(LED)
THERMOSTAT
CN2(AC2)/
BLUE
BLUE
CN6
BLK CN1(AC1)/
WHT
RED
WHITE
CONTROL PCB
BLACK
45uF/400Vac
SPARK PLUG
CAPACITOR
BLACK WHITE
PUMP
MOTOR
BLACK
RED
WHITE
WHITE
ORANGE
IGNITOR
BLACK
BLACK
WHITE
BLACK
BLACK
SOL.
VALVE
YEL
YEL
CN8
FUSE
20A/250VAC
OPERATING SWITCH
LIMIT
CONTROL
BLACK
Figure 27 – Wiring Diagram Model CP650CK
GREEN
EARTH
AC120V
60Hz
20A/250VAC
FUSE
BROWN
CN1(AC1)/
CN2(AC2)/
ROOM SENSOR OPERATING SWITCH
WHITE
WHITE
CN5
PHOTOCELL
POWER
PLUG
BLACK
CN8
YEL
YEL
CN6
BLUE
BLUE
THERMOSTAT
(LED)
(TEMP. CONTROL)
POWER LAMP
WHITE BLACK
BLACK
BLACK
MOTOR
PUMP
BROWN IGNITOR
ORANGE
BROWN
RED
RED
WHT
BLK
CN4
CN3
WHITE
BLACK
CAPACITOR
SPARK PLUG
50uF/400Vac
BLACK
CONTROL PCB
CONTROL
LIMIT
BLACK
BLACK
CN7
VALVE
SOL.