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Heat & Glo • PRIMO48, PRIMO48ST, PRIMO60, PRIMO60ST, PRIMO72, PRIMO72ST Installation Manual • 2310-970 Rev. L • 2/16
Junction Box Wiring
WARNING! Risk of Shock!
Label all wires prior to dis-
connection when servicing controls. Wiring errors can
cause improper and dangerous operation. Verify proper
operation after servicing.
WARNING! Risk of Shock!
Replace damaged wire with
type 105° C rated wire. Wire must have high temperature
insulation.
1. Remove the one screw that secures the junction box
to the control tray panel. See Figure 8.3.
2. Route the wire through the access plate using a strain
relief and down through the wire slot located behind the
junction box. See Figure 8.1 and 8.3.
Figure 8.3 Junction Box Detail
WIRE SLOT
WIRE SLOT
In the event that the junction box may need to be ac-
cessed or installed after
fi
nish methods have been ap-
plied, access is possible by removing the barrier glass
and transition media tray. See Section 10 for details.
Figure 8.4. Valve Cavity (Lower Access Cover Panel Removed)
IMPORTANT NOTE:
The lower access cover panel is re-
movable if
fi
nishing materials are not installed. See Figure
8.5. If
fi
nishing materials are installed, lift the transition
media tray out of glass frame bracket to access valve cav-
ity.
CAUTION! Risk of Cuts!
Wear protective gloves and
safety glasses during installation. Use suction cups to
handle safety barrier glass.
LOWER ACCESS COVER PANEL
TRANSITION MEDIA TRAY
ELECTRICAL ACCESS PLATE
Figure 8.5. Junction Box/Control Service Access
3. Make the connection inside the junction box to the 110-
120VAC wire. Connect green to the ground nut, black
to black, and white to white.
4. To reattach the junction box, insert one end of the
junction box in the slot provided and securely screw the
other end of the junction box to the control tray panel.
SCREW LOCATION
SCREW LOCATION
JUNCTION BOX
JUNCTION BOX
AUX
AUX
VALVE
VALVE
MODULE
MODULE
LED POWER SUPPLY
LED POWER SUPPLY
SCREW
SCREW