Zephyr CPA-E48ASX - Manual (Page 15)

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• Install the supplied round transition collar to the
previously installed cover/round transition support
plate. Align and attach with 2 screws securely.
EXTERNAL BLOWER ELECTRICAL CONNECTION
- PRELIMINARY OPERATIONS
Installing the external blower junction box
• Remove the electrical knock out on the upper panel.
See diagram below.
• Connect the supplied 9 pin male molex plug from the
external blower wiring to the 9 pin female molex plug on
the control board housing. Route wire end through
hood and terminate in external blower junction box. See
diagram below.
Inst
allation - External Blower Prep
aration
EXT.
BLOWER
REMOTE FAN UNIT JUNCTION BOX
BLACK (HIGH)
RED (LOW)
WHITE (COMMON)
BLUE (MED)
Y/G (GROUND)
HOOD
= CONNECTION WIRE TO WIRE
BLACK
RED
WHITE
BLUE
Y/G
CONDUIT
WIRES
RED (LOW)
Y/G (GROUND)
BLACK (HIGH)
BLUE (MED)
WHITE (COMMON)
• Connect the eyelet terminal of the yellow/green conductor
to the grounding screw located inside the hood.
• Remove the cover of the junction box.
Run electrical conduit to junction box and secure with
listed conduit fitting. Carry out the electrical connections.
Reinstall the junction box cover.
Upper outlet
(Vertical discharge)
Knock-out
Junction box
(Mains connection)
Knock-out
(External Blower
connection)
• Install the external blower junction box with 4 screws.