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“105 Series” PELLET BOILER
WHITE
GREEN
Relay enclosure box -
GRAINGER # 1EGH7
RED
RED
WHITE
GREEN
DPDT RELAY flange mtd. -
GRAINGER # 2XCO2
2
4
6
3
1
5
1/2" CONDUIT
8 7
16-3 AWG
PVC CORD
These cord tails can be made from an inexpensive 16/3 extension cord.
Make sure that the MALE end is long enough to reach the
receptacle on the UPS.
CORD CONNECTOR
WHITE
BLACK
MALE
CORD CONNECTOR
16-3 AWG
PVC CORD
BLACK
WHITE
GREEN
FEMALE
RED
WHITE
GREEN/YELLOW
BLACK
3/8"FLEX CONDUIT
RED
WHITE
WHITE
BROWN
4" SQUARE JUNCTION BOX
GREEN
WHITE
GREEN
BLACK
DARK BLUE
GREEN
WHITE
WHITE
3/8"FLEX CONDUIT
120 VAC power (by installer)
from control board
to combustion motor
UPS BACKUP FOR COMBUSTION MOTOR
WHITE
RED
RED
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 )
( UNINTERUPTED POWER SUPPLY / BATTERY BACK-UP )
POWER FROM THE UPS / This plugs
into the UPS. When power fails, UPS
will supply current to the relay.
POWER TO THE UPS / Plug UPS into here.
When current is present, will keep UPS in
Ready mode.