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WARNING
Hazardous Voltage!
Failure to disconnect power before servicing could
result in death or serious injury.
Disconnect all electric power, including remote
disconnects before servicing. Follow proper lockout/
tagout procedures to ensure the power can not be
inadvertently energized. Verify that no power is
present with a voltmeter.
The transformers are located in the control panel. The
circuit breaker is located on the right side of the transformer
and can be reset by pressing in on the black reset button.
Controls using 24 Vac
Before installing any connecting wiring, refer to the
Dimensions and Weights chapter for the electrical access
locations provided on the unit and
conductor sizing guidelines, and;
1. Use copper conductors unless otherwise specified.
Figure 29. Low voltage wiring
RT-SVX077B-EN
Table 8, p. 32
for AC
2. AC control wiring between the controls and the unit
termination point should not exceed 2.5 ohms/
conductor for the length of the run.
NOTICE
Component Failure!
Resistance in excess of two and a half (2.5) ohms per
conductor could result in component failure due to
insufficient AC voltage supply.
Do not exceed two and a half (2.5) ohms per
conductor for the length of the run.
Note: Check all loads and conductors for grounds,
shorts, and mis-wiring.
3. Do not run the AC low voltage wiring in the same
conduit with the high voltage power wiring.
4. Route low voltage wiring per illustrations below.
These illustrations are representative as some models
may appear slightly different. The low voltage wiring
routing is the same.
Installation
31
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