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138 RTAC-SVX01F-EN
Pre-Start Checkout
Electrical Wiring
ƽ WARNING
Hazardous Voltage w/Capacitors!
Disconnect all electric power, including remote disconnects before
servicing. Follow proper lockout/tagout procedures to ensure the power
cannot be inadvertently energized. For variable frequency drives or other
energy storing components provided by Trane or others, refer to the
appropriate manufacturer’s literature for allowable waiting periods for
discharge of capacitors. Verify with an appropriate voltmeter that all
capacitors have discharged. Failure to disconnect power and discharge
capacitors before servicing could result in death or serious injury.
Note: For additional information regarding the safe discharge of
capacitors, see PROD-SVB06A-EN or PROD-SVB06A-FR
Live Electrical Components!
During installation, testing, servicing and troubleshooting of this
product, it may be necessary to work with live electrical components.
Have a qualified licensed electrician or other individual who has been
properly trained in handling live electrical components perform these
tasks. Failure to follow all electrical safety precautions when exposed to
live electrical components could result in death or serious injury.
CAUTION
Use Copper Conductors Only!
Unit terminals are not designed to accept other types of conductors.
Failure to use copper conductors may result in equipment damage.
• Connect the unit power supply wiring with fused-disconnect to the terminal block
or lugs (or unit-mounted disconnect) in the power section of the control panel.
• Connect power supply wiring to the evaporator heaters.
• Connect power supply wiring to the chilled water pump.
• Connect power supply wiring to any auxiliary heat tapes.
• Connect the flow switch and then connect to the proper terminals.
• Connect the chilled water pump to the proper terminals.
• For the External Auto/Stop function, install wiring from remote contacts (5K14,
5K15) to the proper terminals on the circuit board.
• Connect the power supply for the convenience outlet, if it is separate from the
evaporator heater.
CAUTION
Information in Interconnecting Wiring!
Chilled Water Pump Interlock and External Auto/Stop must be adhered
to or equipment damage may occur.