Trane Precedent - Jobsite Connections for Rooftop Units; Typical Number of Wires for Zone Sensors

85RT-PRC006-EN
Jobsite
Connections
For specific wiring information, see the installation instructions.
All wiring except power wires is low voltage.
All customer supplied wiring to be copper and must conform to applicable electrical codes (such as NEC or CEC) and local electrical codes. Wiring shown dotted is to be furnished
and installed by the customer.
Typical Number Of Wires
Zone Sensors
A— Manual Changeover .......................................... 4
Manual/Auto Changeover ................................. 5
Manual/Auto Changeover with
Status Indication LED’s ............................. 10
Programmable Night Setback
with Status Indication LED’s ....................... 7
Thermostats
A— 4 Wires, 24-volts
B— 3 Power Wires + 1 Ground Wire (three phase)
2 Power Wires + 1 Ground Wire (single phase)
ROOFTOP
UNIT
DISCONNECT
SWITCH
(BY OTHERS)
ZONE SENSOR OR
THERMOSTAT
A
B