Installation
18
RT-SVX058B-EN
Protection devices must be sized according to the
electrical data on the nameplate.
•
If the unit is not equipped with an optional factory
installed nonfused disconnect switch, a field supplied
disconnect switch must be installed at or near the unit
in accordance with the National Electrical Code (NEC
latest edition).
•
Location of the applicable electrical service entrance is
illustrated in
. Complete the
unit’s power wiring connections onto either; the main
terminal block HTB1 inside the unit control panel, the
factory mounted nonfused disconnect switch (UCD), or
the electric heat terminal block. Refer to the customer
connection diagram that shipped with the unit for
specific termination points.
•
Provide proper grounding for the unit in accordance
with local and national codes.
Optional TBUE Wiring (Through the Base
Electrical Option)
•
Location of the applicable electrical service is
illustrated below. Refer to the customer connection
diagram that is shipped with the unit for specific
termination points. The termination points, depending
on the customer option selected, would be a factory
mounted nonfused disconnect switch (see
) or the main terminal block.
•
Provide proper grounding for the unit in accordance
with local and national codes.
Control Power Transformer
The 24-volt control power transformers are to be used only
with the accessories called out in this manual.
Transformers rated greater than 50 Vac are equipped with
internal circuit breakers. If a circuit breaker trips, turn “Off”
all power to the unit before attempting to reset it.
Figure 15.
Through the base electrical option
TBUE
HIGH VOLT.
TBUE
LOW VOLT.
