Harman Stove Company PB 105 manual Power Failure Backup Supply

4" SQUARE JUNCTION BOX

120 VAC power (by installer)	3/8"FLEX CONDUIT
	from control board

“105 Series” PELLET BOILER

UPS BACKUP FOR COMBUSTION MOTOR

( UNINTERUPTED POWER SUPPLY / BATTERY BACK-UP )

3/8"FLEX CONDUIT to combustion motor

BLACK

WHITE

WHITE

GREEN/YELLOW

GREEN

WHITE

RED

BROWN

WHITE

GREEN

WHITE

WHITE

DARK BLUE

1/2" CONDUIT

RED

BLACK

WHITE

RED

RED

GREEN

RED RED

GREEN

Relay enclosure box -

GRAINGER # 1EGH7

							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 )
								CORD CONNECTOR
								16-3 AWG
								PVC CORD
									POWER TO THE UPS / Plug UPS into here.
						GREEN
									When current is present, will keep UPS in
							BLACK		Ready mode.
							WHITE		FEMALE
					WHITE	WHITE
8				7
								These cord tails can be made from an inexpensive 16/3 extension cord.
		4	3					Make sure that the MALE end is long enough to reach the
								receptacle on the UPS.
		6	5
	2		1				WHITE		MALE
							BLACK		POWER FROM THE UPS / This plugs
						GREEN			into the UPS. When power fails, UPS
									will supply current to the relay.
								16-3 AWG
								PVC CORD

Power Failure Backup Supply

DPDT RELAY flange mtd. -
GRAINGER # 2XCO2	CORD CONNECTOR

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