Trane 090A***A - 60 HZ, Руководство по диагностике для владельца установки

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14 SS-SVN11A-EN
Note:
1. Wiring shown with dashed lines is to
be furnished and installed by the cus-
tomer. All customer supplied wiring
must be copper only and must con-
form to NEC and local electrical codes.
Codes may require line of sight be-
tween disconnect switch and unit.
CTA090A/S(C,I)RH030
CTA090A/S(C,I)RH050
CTA120A/S(C,I)RH075
CTA120B/S(C,I)RH100
Field Wiring:
A — 2 power wires. Line voltage for
single phase
B — 3 power wires. Line voltage for
3 phase; 2 wires for single phase
C — Cooling only thermostat: 3 wires,
24 volts.
— Digital thermostat: add 1 addi-
tional wire, 24 volts.
D — 2 control wires, 24 volts.
CTA180B/S(C,I)RH120
CTA180B/S(C,I)RH150
Field Wiring:
A — 2 power wires. Line voltage for
single phase
B — 3 power wires. Line voltage for
3 phase
C — Cooling only thermostat: 4 wires,
24 volts.
D — 3 control wires, 24 volts.
WARNING:
HAZARDOUS VOLTAGE!
Disconnect all electric power, in-
cluding remote disconnects be-
fore servicing. Follow proper
lockout/tagout procedures to en-
sure the power can not be inad-
vertently energized. Failure to
disconnect power before servic-
ing could result in death or seri-
ous injury.
Determine proper wire sizes and unit
protective fusing requirements by
referring to the unit nameplate. Field
wiring diagrams for accessories
are shipped with the accessory.
Wiring
Low Voltage
Figure 8: Typical Field Wiring