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Installation
Figure 39. Wire routing and connections
Electric Heat
Terminal Block
General Unit Requirements
The checklist below is a summary of the steps required to
successfully install a Commercial rooftop unit.This
checklist is intended to acquaint the installing personnel
with what is required in the installation process. It does not
replace the detailed instructions called out in the
applicable sections of this manual.
[ ] Check the unit for shipping damage and material
shortage; file a freight claim and notifyTrane office.
[ ] Verify that the installation location of the unit will
provide the required clearance for proper operation.
[ ] Assemble and install the roof curb. Refer to the
current edition of the roof curb installer's guide.
[ ] Fabricate and install ductwork; secure ductwork to
curb. Seal the corners of duct adapters as shown in
Figure 41, p.
64. Ducting attached to the unit should be
self supporting. Do not use the unit to support the
weight of the ducting
[ ] Install pitch pocket for power supply through
building roof. (If applicable)
62
Electric Heat Power Wires - Routed through the hole
at the air handler side end wall. Route wires one by one
and connect to the electric heat terminal block.
Electric Heat Control Wires - Routed through
the hole at the air handler side end wall. Remove
wire ties at hole area to improve power wire
routing. Terminate at high voltage junction box.
High Voltage Junction Box
Motor Power Wires are routed through the bottom opening and
terminated at high voltage junction box. Control wires on the right
side of unit have similar routing.
Motor Power Wires and Heater
Control Wires from the main
control box will be terminated at
the high voltage junction box by
the factory.
Figure 40. Sealed ductwork
RT-SVX24J-EN
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