Steffes HPB22 Owners Manual User Manual
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HEAT PUMP BOOSTER
INTERFACE BOARD
ROOM
THER
MOSTA
T
FIELD INSTALLED
DUCT SENSOR
TO OUTDOOR
SENSOR
FIELD WIRE
SEE CONFIGURATION
FIELD WIRE
FIELD WIRE
OUTDOOR SENSOR
FIELD INSTALLED
NOTE 6
WHI
T
E
G
R
EEN
BLACK
RED
WHI
T
E
G
R
EEN
BLACK
RED
OR TIME CLOCK
ELECTRIC METER,
RADIO RECEIVER,
POSSIBLY
CONTROLLER
MANAGEMENT
TO LOAD
FIELD WIRE
BLUE
BLUE/WHITE
SUPPLY
RETURN
12"
12"
12"
FILTER
12" X 16" MIN.
SEE
SEE CONFIGURATION NOTE #3
CONFIGURATION
NOTE #2
OPTIONAL
NOTE #1
FIELD LOW VOLTAGE CONTROL WIRING FOR
STAND ALONE APPLICATIONS
(Small Central Furnace)
(FIGURE 19)
NOTE: See Installation Notes in conjunction with this diagram.
CONFIGURATION NOTE:
1. If duct sensor is installed, discharge air will be approximately 95 degrees Fahren-
heit. If duct sensor is not installed, discharge air temperature will be approximately
150 degrees Fahrenheit.
2. Cut the white/black wires from the 10 pin harness connected at the bottom of the
interface board.
3. Place the #2 switch in the #2B position.