46
3-90-08101R23_06/13
SPLICE
L
WHITE
DRK BLUE
10 AMP CIRCUIT BREAKER
MAIN JUNCTION BOX
VIOLET
BLACK
WHITE
BROWN
RED
BROWN
WHITE
WHITE
WHITE
N
GREEN
RED
BLACK
CUT & SPLICE
VIOLET
CUT & SPLICE
WHITE
RED
SKY BLUE
DRK BLUE
YELLOW
WHITE
BROWN
RED
YELLOW
BLACK
SKY BLUE
BLACK
These cord tails can be made from an inexpensiven 16/3 extension cord.
Make sure that the MALE end is long enough to reach the receptacle on
the UPS.
BLACK
DPDT RELAY flange mtd. -
GRAINGER # 2XCO2
GREEN
GREEN
2
1
4
3
6 5
16-3 AWG
PVC CORD
WHITE
POWER FROM THE UPS / This plugs
into the UPS. When power fails, UPS
will supply current to the relay.
MALE
BLACK
GREEN
WHITE
If using a standard UPS, it should
be rated at 650 or higher to
ensure that the combustion motor
operates until the fire is out.
( approximately 20 minutes needed )
1/2" CONDUIT
RED
RED
78
WHITE
WHITE
CORD CONNECTOR
16-3 AWG
PVC CORD
POWER TO THE UPS / Plug UPS into here.
When current is present, will keep UPS in
Ready mode.
FEMALE
PELLET FURNACE
3/8"FLEX CONDUIT
UPS BACKUP FOR COMBUSTION MOTOR
( UNINTERUPTED POWER SUPPLY / BATTERY BACK-UP )
Relay enclosure box -
GRAINGER # 1EGH7
Back-up Power Supply
ThiswiringschematicshowstheoptionaluseofastandardUPS(uninterruptedpowersupply).Intheeventofapower
failure,thiswillprovidepowertothecombustionblowertoremovesmokeandotherexhaustgasesfromthefurnace.
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