TTA-R407C-EN1113
14
Electrical Wiring
Electrical Wiring
TTA field wiring consists of providing
power supply to the unit, installing the
system indoor thermostat. Access to
electrical connection locations is
shown in dimensional data.
Unit Power Supply
The installer must provide line voltage
circuit (s) to the unit main power
terminals as shown by the unit wiring
diagrams in wiring. Power supply
must include a disconnect switch
in a location convenient to the unit.
Ground the unit according to local
codes and provide flexible conduit if
codes require and/or if vibration
transmission may cause noise
problems.
Important:
All wiring must comply
with applicable local and national
(NEC) codes. Type and location of
disconnect switches must comply
with all applicable codes.
disconnect switch and lock in open
position to prevent accidental power
application. Failure to do so may
result in personal injury or death due
to electrical shock.
Determine proper wire sizes and unit
protective fusing requirements by
referring to the unit nameplate and/or
in Table 5 Field wiring diagrams for
accessories are shipped with the
accessory.
4
Warning:
Open the electrical
4
Caution:
Use copper conductors
only. Unit terminals are not designed
for use with aluminum conductors.
Use of improper wiring materials can
result in equipment damage.
TTA-R407C-EN1113.indd 14
TTA-R407C-EN1113.indd 14
12-Sep-16 13:28:23
12-Sep-16 13:28:23